; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1064 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -amdgpu-early-ifcvt=1 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -amdgpu-early-ifcvt=1 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1064 %s
; RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck -check-prefixes=GCN,GFX1032,GFX10DEFWAVE %s
; GCN-LABEL: {{^}}test_vopc_i32:
; GFX1032: v_cmp_lt_i32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, vcc_lo
; GFX1064: v_cmp_lt_i32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, vcc{{$}}
define amdgpu_kernel void @test_vopc_i32(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp sgt i32 %load, 0
%sel = select i1 %cmp, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_f32:
; GFX1032: v_cmp_nge_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, vcc_lo
; GFX1064: v_cmp_nge_f32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, vcc{{$}}
define amdgpu_kernel void @test_vopc_f32(float addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %lid
%load = load float, float addrspace(1)* %gep, align 4
%cmp = fcmp ugt float %load, 0.0
%sel = select i1 %cmp, float 1.0, float 2.0
store float %sel, float addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_vcmp:
; GFX1032: v_cmp_nle_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1064: v_cmp_nle_f32_e32 vcc, 0, v{{[0-9]+}}
define amdgpu_ps void @test_vopc_vcmp(float %x) {
%cmp = fcmp oge float %x, 0.0
call void @llvm.amdgcn.kill(i1 %cmp)
ret void
}
; GCN-LABEL: {{^}}test_vopc_2xf16:
; GFX1032: v_cmp_le_f16_sdwa [[SC:vcc_lo|s[0-9]+]], {{[vs][0-9]+}}, v{{[0-9]+}} src0_sel:WORD_1 src1_sel:DWORD
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c003c00, v{{[0-9]+}}, [[SC]]
; GFX1064: v_cmp_le_f16_sdwa [[SC:vcc|s\[[0-9:]+\]]], {{[vs][0-9]+}}, v{{[0-9]+}} src0_sel:WORD_1 src1_sel:DWORD
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c003c00, v{{[0-9]+}}, [[SC]]
define amdgpu_kernel void @test_vopc_2xf16(<2 x half> addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds <2 x half>, <2 x half> addrspace(1)* %arg, i32 %lid
%load = load <2 x half>, <2 x half> addrspace(1)* %gep, align 4
%elt = extractelement <2 x half> %load, i32 1
%cmp = fcmp ugt half %elt, 0.0
%sel = select i1 %cmp, <2 x half> <half 1.0, half 1.0>, <2 x half> %load
store <2 x half> %sel, <2 x half> addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vopc_class:
; GFX1032: v_cmp_class_f32_e64 [[C:vcc_lo|s[0-9:]+]], s{{[0-9]+}}, 0x204
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]
; GFX1064: v_cmp_class_f32_e64 [[C:vcc|s\[[0-9:]+\]]], s{{[0-9]+}}, 0x204
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]{{$}}
define amdgpu_kernel void @test_vopc_class(i32 addrspace(1)* %out, float %x) #0 {
%fabs = tail call float @llvm.fabs.f32(float %x)
%cmp = fcmp oeq float %fabs, 0x7FF0000000000000
%ext = zext i1 %cmp to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_vcmp_vcnd_f16:
; GFX1032: v_cmp_neq_f16_e64 [[C:vcc_lo|s\[[0-9:]+\]]], 0x7c00, s{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c00, v{{[0-9]+}}, [[C]]
; GFX1064: v_cmp_neq_f16_e64 [[C:vcc|s\[[0-9:]+\]]], 0x7c00, s{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 0x3c00, v{{[0-9]+}}, [[C]]{{$}}
define amdgpu_kernel void @test_vcmp_vcnd_f16(half addrspace(1)* %out, half %x) #0 {
%cmp = fcmp oeq half %x, 0x7FF0000000000000
%sel = select i1 %cmp, half 1.0, half %x
store half %sel, half addrspace(1)* %out, align 2
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_f32_sop_and:
; GFX1032: v_cmp_nge_f32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cmp_nle_f32_e64 [[C2:s[0-9]+]], 1.0, v{{[0-9]+}}
; GFX1032: s_and_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, [[AND]]
; GFX1064: v_cmp_nge_f32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cmp_nle_f32_e64 [[C2:s\[[0-9:]+\]]], 1.0, v{{[0-9]+}}
; GFX1064: s_and_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2.0, 1.0, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_f32_sop_and(float addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %lid
%load = load float, float addrspace(1)* %gep, align 4
%cmp = fcmp ugt float %load, 0.0
%cmp2 = fcmp ult float %load, 1.0
%and = and i1 %cmp, %cmp2
%sel = select i1 %and, float 1.0, float 2.0
store float %sel, float addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_i32_sop_xor:
; GFX1032: v_cmp_lt_i32_e32 vcc_lo, 0, v{{[0-9]+}}
; GFX1032: v_cmp_gt_i32_e64 [[C2:s[0-9]+]], 1, v{{[0-9]+}}
; GFX1032: s_xor_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
; GFX1064: v_cmp_lt_i32_e32 vcc, 0, v{{[0-9]+}}
; GFX1064: v_cmp_gt_i32_e64 [[C2:s\[[0-9:]+\]]], 1, v{{[0-9]+}}
; GFX1064: s_xor_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_i32_sop_xor(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp sgt i32 %load, 0
%cmp2 = icmp slt i32 %load, 1
%xor = xor i1 %cmp, %cmp2
%sel = select i1 %xor, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_vop3_cmp_u32_sop_or:
; GFX1032: v_cmp_lt_u32_e32 vcc_lo, 3, v{{[0-9]+}}
; GFX1032: v_cmp_gt_u32_e64 [[C2:s[0-9]+]], 2, v{{[0-9]+}}
; GFX1032: s_or_b32 [[AND:s[0-9]+]], vcc_lo, [[C2]]
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
; GFX1064: v_cmp_lt_u32_e32 vcc, 3, v{{[0-9]+}}
; GFX1064: v_cmp_gt_u32_e64 [[C2:s\[[0-9:]+\]]], 2, v{{[0-9]+}}
; GFX1064: s_or_b64 [[AND:s\[[0-9:]+\]]], vcc, [[C2]]
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 2, 1, [[AND]]
define amdgpu_kernel void @test_vop3_cmp_u32_sop_or(i32 addrspace(1)* %arg) {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds i32, i32 addrspace(1)* %arg, i32 %lid
%load = load i32, i32 addrspace(1)* %gep, align 4
%cmp = icmp ugt i32 %load, 3
%cmp2 = icmp ult i32 %load, 2
%or = or i1 %cmp, %cmp2
%sel = select i1 %or, i32 1, i32 2
store i32 %sel, i32 addrspace(1)* %gep, align 4
ret void
}
; GCN-LABEL: {{^}}test_mask_if:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
define amdgpu_kernel void @test_mask_if(i32 addrspace(1)* %arg) #0 {
%lid = tail call i32 @llvm.amdgcn.workitem.id.x()
%cmp = icmp ugt i32 %lid, 10
br i1 %cmp, label %if, label %endif
if:
store i32 0, i32 addrspace(1)* %arg, align 4
br label %endif
endif:
ret void
}
; GCN-LABEL: {{^}}test_loop_with_if:
; GFX1032: s_or_b32 s{{[0-9]+}}, vcc_lo, s{{[0-9]+}}
; GFX1032: s_andn2_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1064: s_or_b64 s[{{[0-9:]+}}], vcc, s[{{[0-9:]+}}]
; GFX1064: s_andn2_b64 exec, exec, s[{{[0-9:]+}}]
; GCN: s_cbranch_execz
; GCN: .LBB{{.*}}:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
; GCN: ; %bb.{{[0-9]+}}:
; GCN: .LBB{{.*}}:
; GFX1032: s_xor_b32 s{{[0-9]+}}, exec_lo, s{{[0-9]+}}
; GFX1064: s_xor_b64 s[{{[0-9:]+}}], exec, s[{{[0-9:]+}}]
; GCN: ; %bb.{{[0-9]+}}:
; GCN: ; %bb.{{[0-9]+}}:
; GFX1032: s_or_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: s_or_b64 exec, exec, s[{{[0-9:]+}}]
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}]{{$}}
; GCN: s_cbranch_execz .LBB
; GCN: ; %bb.{{[0-9]+}}:
; GCN: .LBB{{.*}}:
; GCN: s_endpgm
define amdgpu_kernel void @test_loop_with_if(i32 addrspace(1)* %arg) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
br label %bb2
bb1:
ret void
bb2:
%tmp3 = phi i32 [ 0, %bb ], [ %tmp15, %bb13 ]
%tmp4 = icmp slt i32 %tmp3, %tmp
br i1 %tmp4, label %bb5, label %bb11
bb5:
%tmp6 = sext i32 %tmp3 to i64
%tmp7 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp6
%tmp8 = load i32, i32 addrspace(1)* %tmp7, align 4
%tmp9 = icmp sgt i32 %tmp8, 10
br i1 %tmp9, label %bb10, label %bb11
bb10:
store i32 %tmp, i32 addrspace(1)* %tmp7, align 4
br label %bb13
bb11:
%tmp12 = sdiv i32 %tmp3, 2
br label %bb13
bb13:
%tmp14 = phi i32 [ %tmp3, %bb10 ], [ %tmp12, %bb11 ]
%tmp15 = add nsw i32 %tmp14, 1
%tmp16 = icmp slt i32 %tmp14, 255
br i1 %tmp16, label %bb2, label %bb1
}
; GCN-LABEL: {{^}}test_loop_with_if_else_break:
; GFX1032: s_and_saveexec_b32 s{{[0-9]+}}, vcc_lo
; GFX1064: s_and_saveexec_b64 s[{{[0-9:]+}}], vcc{{$}}
; GCN: s_cbranch_execz
; GCN: ; %bb.{{[0-9]+}}: ; %.preheader
; GCN: .LBB{{.*}}:
; GCN: global_store_dword
; GFX1032: s_or_b32 [[MASK0:s[0-9]+]], [[MASK0]], vcc_lo
; GFX1064: s_or_b64 [[MASK0:s\[[0-9:]+\]]], [[MASK0]], vcc
; GFX1032: s_andn2_b32 [[MASK1:s[0-9]+]], [[MASK1]], exec_lo
; GFX1064: s_andn2_b64 [[MASK1:s\[[0-9:]+\]]], [[MASK1]], exec
; GFX1032: s_and_b32 [[MASK0]], [[MASK0]], exec_lo
; GFX1064: s_and_b64 [[MASK0]], [[MASK0]], exec
; GFX1032: s_or_b32 [[MASK1]], [[MASK1]], [[MASK0]]
; GFX1064: s_or_b64 [[MASK1]], [[MASK1]], [[MASK0]]
; GCN: .LBB{{.*}}: ; %Flow
; GFX1032: s_and_b32 [[TMP0:s[0-9]+]], exec_lo, [[MASK1]]
; GFX1064: s_and_b64 [[TMP0:s\[[0-9:]+\]]], exec, [[MASK1]]
; GFX1032: s_or_b32 [[ACC:s[0-9]+]], [[TMP0]], [[ACC]]
; GFX1064: s_or_b64 [[ACC:s\[[0-9:]+\]]], [[TMP0]], [[ACC]]
; GFX1032: s_andn2_b32 exec_lo, exec_lo, [[ACC]]
; GFX1064: s_andn2_b64 exec, exec, [[ACC]]
; GCN: s_cbranch_execz
; GCN: .LBB{{.*}}:
; GFX1032-DAG: s_or_b32 [[MASK1]], [[MASK1]], exec_lo
; GFX1064-DAG: s_or_b64 [[MASK1]], [[MASK1]], exec
; GCN-DAG: global_load_dword [[LOAD:v[0-9]+]]
; GFX1032: v_cmp_gt_i32_e32 vcc_lo, 11, [[LOAD]]
; GFX1064: v_cmp_gt_i32_e32 vcc, 11, [[LOAD]]
define amdgpu_kernel void @test_loop_with_if_else_break(i32 addrspace(1)* %arg) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = icmp eq i32 %tmp, 0
br i1 %tmp1, label %.loopexit, label %.preheader
.preheader:
br label %bb2
bb2:
%tmp3 = phi i32 [ %tmp9, %bb8 ], [ 0, %.preheader ]
%tmp4 = zext i32 %tmp3 to i64
%tmp5 = getelementptr inbounds i32, i32 addrspace(1)* %arg, i64 %tmp4
%tmp6 = load i32, i32 addrspace(1)* %tmp5, align 4
%tmp7 = icmp sgt i32 %tmp6, 10
br i1 %tmp7, label %bb8, label %.loopexit
bb8:
store i32 %tmp, i32 addrspace(1)* %tmp5, align 4
%tmp9 = add nuw nsw i32 %tmp3, 1
%tmp10 = icmp ult i32 %tmp9, 256
%tmp11 = icmp ult i32 %tmp9, %tmp
%tmp12 = and i1 %tmp10, %tmp11
br i1 %tmp12, label %bb2, label %.loopexit
.loopexit:
ret void
}
; GCN-LABEL: {{^}}test_addc_vop2b:
; GFX1032: v_add_co_u32 v{{[0-9]+}}, vcc_lo, v{{[0-9]+}}, s{{[0-9]+}}
; GFX1032: v_add_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, s{{[0-9]+}}, v{{[0-9]+}}, vcc_lo
; GFX1064: v_add_co_u32 v{{[0-9]+}}, vcc, v{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_add_co_ci_u32_e32 v{{[0-9]+}}, vcc, s{{[0-9]+}}, v{{[0-9]+}}, vcc{{$}}
define amdgpu_kernel void @test_addc_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = add nsw i64 %tmp4, %arg1
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_subbrev_vop2b:
; GFX1032: v_sub_co_u32 v{{[0-9]+}}, [[A0:s[0-9]+|vcc_lo]], v{{[0-9]+}}, s{{[0-9]+}}{{$}}
; GFX1032: v_subrev_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, {{[vs][0-9]+}}, {{[vs][0-9]+}}, [[A0]]{{$}}
; GFX1064: v_sub_co_u32 v{{[0-9]+}}, [[A0:s\[[0-9:]+\]|vcc]], v{{[0-9]+}}, s{{[0-9]+}}{{$}}
; GFX1064: v_subrev_co_ci_u32_e32 v{{[0-9]+}}, vcc, {{[vs][0-9]+}}, {{[vs][0-9]+}}, [[A0]]{{$}}
define amdgpu_kernel void @test_subbrev_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = sub nsw i64 %tmp4, %arg1
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_subb_vop2b:
; GFX1032: v_sub_co_u32 v{{[0-9]+}}, [[A0:s[0-9]+|vcc_lo]], s{{[0-9]+}}, v{{[0-9]+}}{{$}}
; GFX1032: v_sub_co_ci_u32_e32 v{{[0-9]+}}, vcc_lo, {{[vs][0-9]+}}, v{{[0-9]+}}, [[A0]]{{$}}
; GFX1064: v_sub_co_u32 v{{[0-9]+}}, [[A0:s\[[0-9:]+\]|vcc]], s{{[0-9]+}}, v{{[0-9]+}}{{$}}
; GFX1064: v_sub_co_ci_u32_e32 v{{[0-9]+}}, vcc, {{[vs][0-9]+}}, v{{[0-9]+}}, [[A0]]{{$}}
define amdgpu_kernel void @test_subb_vop2b(i64 addrspace(1)* %arg, i64 %arg1) #0 {
bb:
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp3 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i32 %tmp
%tmp4 = load i64, i64 addrspace(1)* %tmp3, align 8
%tmp5 = sub nsw i64 %arg1, %tmp4
store i64 %tmp5, i64 addrspace(1)* %tmp3, align 8
ret void
}
; GCN-LABEL: {{^}}test_udiv64:
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, 0, s{{[0-9]+}}
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, 0
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, 0, s{{[0-9]+}}
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
define amdgpu_kernel void @test_udiv64(i64 addrspace(1)* %arg) #0 {
bb:
%tmp = getelementptr inbounds i64, i64 addrspace(1)* %arg, i64 1
%tmp1 = load i64, i64 addrspace(1)* %tmp, align 8
%tmp2 = load i64, i64 addrspace(1)* %arg, align 8
%tmp3 = udiv i64 %tmp1, %tmp2
%tmp4 = getelementptr inbounds i64, i64 addrspace(1)* %arg, i64 2
store i64 %tmp3, i64 addrspace(1)* %tmp4, align 8
ret void
}
; GCN-LABEL: {{^}}test_div_scale_f32:
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @test_div_scale_f32(float addrspace(1)* %out, float addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%a = load volatile float, float addrspace(1)* %gep.0, align 4
%b = load volatile float, float addrspace(1)* %gep.1, align 4
%result = call { float, i1 } @llvm.amdgcn.div.scale.f32(float %a, float %b, i1 false) nounwind readnone
%result0 = extractvalue { float, i1 } %result, 0
store float %result0, float addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_div_scale_f64:
; GFX1032: v_div_scale_f64 v[{{[0-9:]+}}], s{{[0-9]+}}, v[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
; GFX1064: v_div_scale_f64 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
define amdgpu_kernel void @test_div_scale_f64(double addrspace(1)* %out, double addrspace(1)* %aptr, double addrspace(1)* %in) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr double, double addrspace(1)* %in, i32 %tid
%gep.1 = getelementptr double, double addrspace(1)* %gep.0, i32 1
%a = load volatile double, double addrspace(1)* %gep.0, align 8
%b = load volatile double, double addrspace(1)* %gep.1, align 8
%result = call { double, i1 } @llvm.amdgcn.div.scale.f64(double %a, double %b, i1 true) nounwind readnone
%result0 = extractvalue { double, i1 } %result, 0
store double %result0, double addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}test_mad_i64_i32:
; GFX1032: v_mad_i64_i32 v[{{[0-9:]+}}], s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
; GFX1064: v_mad_i64_i32 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
define i64 @test_mad_i64_i32(i32 %arg0, i32 %arg1, i64 %arg2) #0 {
%sext0 = sext i32 %arg0 to i64
%sext1 = sext i32 %arg1 to i64
%mul = mul i64 %sext0, %sext1
%mad = add i64 %mul, %arg2
ret i64 %mad
}
; GCN-LABEL: {{^}}test_mad_u64_u32:
; GFX1032: v_mad_u64_u32 v[{{[0-9:]+}}], s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
; GFX1064: v_mad_u64_u32 v[{{[0-9:]+}}], s[{{[0-9:]+}}], v{{[0-9]+}}, v{{[0-9]+}}, v[{{[0-9:]+}}]
define i64 @test_mad_u64_u32(i32 %arg0, i32 %arg1, i64 %arg2) #0 {
%sext0 = zext i32 %arg0 to i64
%sext1 = zext i32 %arg1 to i64
%mul = mul i64 %sext0, %sext1
%mad = add i64 %mul, %arg2
ret i64 %mad
}
; GCN-LABEL: {{^}}test_div_fmas_f32:
; GCN: s_bitcmp1_b32 s{{[0-9]+}}, 0
; GFX1032: s_cselect_b32 vcc_lo, -1, 0
; GFX1064: s_cselect_b64 vcc, -1, 0
; GCN: v_div_fmas_f32 v{{[0-9]+}}, {{[vs][0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @test_div_fmas_f32(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind {
%result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %d) nounwind readnone
store float %result, float addrspace(1)* %out, align 4
ret void
}
; GCN-LABEL: {{^}}test_div_fmas_f64:
; GCN: s_bitcmp1_b32 s{{[0-9]+}}, 0
; GFX1032: s_cselect_b32 vcc_lo, -1, 0
; GFX1064: s_cselect_b64 vcc, -1, 0
; GCN-DAG: v_div_fmas_f64 v[{{[0-9:]+}}], {{[vs]}}[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}]
define amdgpu_kernel void @test_div_fmas_f64(double addrspace(1)* %out, double %a, double %b, double %c, i1 %d) nounwind {
%result = call double @llvm.amdgcn.div.fmas.f64(double %a, double %b, double %c, i1 %d) nounwind readnone
store double %result, double addrspace(1)* %out, align 8
ret void
}
; GCN-LABEL: {{^}}test_div_fmas_f32_i1_phi_vcc:
; GFX1032: s_mov_b32 [[VCC:vcc_lo]], 0{{$}}
; GFX1064: s_mov_b64 [[VCC:vcc]], 0{{$}}
; GFX1032: s_and_saveexec_b32 [[SAVE:s[0-9]+]], s{{[0-9]+}}{{$}}
; GFX1064: s_and_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], s[{{[0-9:]+}}]{{$}}
; GCN: load_dword [[LOAD:v[0-9]+]]
; GCN: v_cmp_ne_u32_e32 [[VCC]], 0, [[LOAD]]
; GCN: .LBB{{[0-9_]+}}:
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE]]
; GFX1064: s_or_b64 exec, exec, [[SAVE]]
; GCN: v_div_fmas_f32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
define amdgpu_kernel void @test_div_fmas_f32_i1_phi_vcc(float addrspace(1)* %out, float addrspace(1)* %in, i32 addrspace(1)* %dummy) #0 {
entry:
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.out = getelementptr float, float addrspace(1)* %out, i32 2
%gep.a = getelementptr float, float addrspace(1)* %in, i32 %tid
%gep.b = getelementptr float, float addrspace(1)* %gep.a, i32 1
%gep.c = getelementptr float, float addrspace(1)* %gep.a, i32 2
%a = load float, float addrspace(1)* %gep.a
%b = load float, float addrspace(1)* %gep.b
%c = load float, float addrspace(1)* %gep.c
%cmp0 = icmp eq i32 %tid, 0
br i1 %cmp0, label %bb, label %exit
bb:
%val = load volatile i32, i32 addrspace(1)* %dummy
%cmp1 = icmp ne i32 %val, 0
br label %exit
exit:
%cond = phi i1 [false, %entry], [%cmp1, %bb]
%result = call float @llvm.amdgcn.div.fmas.f32(float %a, float %b, float %c, i1 %cond) nounwind readnone
store float %result, float addrspace(1)* %gep.out, align 4
ret void
}
; GCN-LABEL: {{^}}fdiv_f32:
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN: v_rcp_f32_e32 v{{[0-9]+}}, v{{[0-9]+}}
; GFX1032: v_div_scale_f32 v{{[0-9]+}}, vcc_lo, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: v_div_scale_f32 v{{[0-9]+}}, vcc, s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GCN-NOT: vcc
; GCN: v_div_fmas_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @fdiv_f32(float addrspace(1)* %out, float %a, float %b) #0 {
entry:
%fdiv = fdiv float %a, %b
store float %fdiv, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_br_cc_f16:
; GFX1032: v_cmp_nlt_f16_e32 vcc_lo,
; GFX1064: v_cmp_nlt_f16_e32 vcc,
; GCN-NEXT: s_cbranch_vccnz
define amdgpu_kernel void @test_br_cc_f16(
half addrspace(1)* %r,
half addrspace(1)* %a,
half addrspace(1)* %b) {
entry:
%a.val = load half, half addrspace(1)* %a
%b.val = load half, half addrspace(1)* %b
%fcmp = fcmp olt half %a.val, %b.val
br i1 %fcmp, label %one, label %two
one:
store half %a.val, half addrspace(1)* %r
ret void
two:
store half %b.val, half addrspace(1)* %r
ret void
}
; GCN-LABEL: {{^}}test_brcc_i1:
; GCN: s_bitcmp0_b32 s{{[0-9]+}}, 0
; GCN-NEXT: s_cbranch_scc1
define amdgpu_kernel void @test_brcc_i1(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i1 %val) #0 {
%cmp0 = icmp ne i1 %val, 0
br i1 %cmp0, label %store, label %end
store:
store i32 222, i32 addrspace(1)* %out
ret void
end:
ret void
}
; GCN-LABEL: {{^}}test_preserve_condition_undef_flag:
; GFX1032-DAG: v_cmp_nlt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 1.0
; GFX1032-DAG: v_cmp_ngt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 0
; GFX1032: v_cmp_nlt_f32_e64 s{{[0-9]+}}, s{{[0-9]+}}, 1.0
; GFX1032: s_or_b32 [[OR1:s[0-9]+]], s{{[0-9]+}}, s{{[0-9]+}}
; GFX1032: s_or_b32 [[OR2:s[0-9]+]], [[OR1]], s{{[0-9]+}}
; GFX1032: s_and_b32 vcc_lo, exec_lo, [[OR2]]
; GFX1064-DAG: v_cmp_nlt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 1.0
; GFX1064-DAG: v_cmp_ngt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 0
; GFX1064: v_cmp_nlt_f32_e64 s[{{[0-9:]+}}], s{{[0-9]+}}, 1.0
; GFX1064: s_or_b64 [[OR1:s\[[0-9:]+\]]], s[{{[0-9:]+}}], s[{{[0-9:]+}}]
; GFX1064: s_or_b64 [[OR2:s\[[0-9:]+\]]], [[OR1]], s[{{[0-9:]+}}]
; GFX1064: s_and_b64 vcc, exec, [[OR2]]
; GCN: s_cbranch_vccnz
define amdgpu_kernel void @test_preserve_condition_undef_flag(float %arg, i32 %arg1, float %arg2) #0 {
bb0:
%tmp = icmp sgt i32 %arg1, 4
%undef = call i1 @llvm.amdgcn.class.f32(float undef, i32 undef)
%tmp4 = select i1 %undef, float %arg, float 1.000000e+00
%tmp5 = fcmp ogt float %arg2, 0.000000e+00
%tmp6 = fcmp olt float %arg2, 1.000000e+00
%tmp7 = fcmp olt float %arg, %tmp4
%tmp8 = and i1 %tmp5, %tmp6
%tmp9 = and i1 %tmp8, %tmp7
br i1 %tmp9, label %bb1, label %bb2
bb1:
store volatile i32 0, i32 addrspace(1)* undef
br label %bb2
bb2:
ret void
}
; GCN-LABEL: {{^}}test_invert_true_phi_cond_break_loop:
; GFX1032: s_xor_b32 s{{[0-9]+}}, s{{[0-9]+}}, -1
; GFX1032: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
; GFX1064: s_xor_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}], -1
; GFX1064: s_or_b64 s[{{[0-9:]+}}], s[{{[0-9:]+}}], s[{{[0-9:]+}}]
define amdgpu_kernel void @test_invert_true_phi_cond_break_loop(i32 %arg) #0 {
bb:
%id = call i32 @llvm.amdgcn.workitem.id.x()
%tmp = sub i32 %id, %arg
br label %bb1
bb1: ; preds = %Flow, %bb
%lsr.iv = phi i32 [ undef, %bb ], [ %tmp2, %Flow ]
%lsr.iv.next = add i32 %lsr.iv, 1
%cmp0 = icmp slt i32 %lsr.iv.next, 0
br i1 %cmp0, label %bb4, label %Flow
bb4: ; preds = %bb1
%load = load volatile i32, i32 addrspace(1)* undef, align 4
%cmp1 = icmp sge i32 %tmp, %load
br label %Flow
Flow: ; preds = %bb4, %bb1
%tmp2 = phi i32 [ %lsr.iv.next, %bb4 ], [ undef, %bb1 ]
%tmp3 = phi i1 [ %cmp1, %bb4 ], [ true, %bb1 ]
br i1 %tmp3, label %bb1, label %bb9
bb9: ; preds = %Flow
store volatile i32 7, i32 addrspace(3)* undef
ret void
}
; GCN-LABEL: {{^}}test_movrels_extract_neg_offset_vgpr:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 1, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc_lo
; GFX1032: v_cmp_ne_u32_e32 vcc_lo, 2, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}, vcc_lo
; GFX1032: v_cmp_ne_u32_e32 vcc_lo, 3, v{{[0-9]+}}
; GFX1032: v_cndmask_b32_e32 v{{[0-9]+}}, 3, v{{[0-9]+}}, vcc_lo
; GFX1064: v_cmp_eq_u32_e32 vcc, 1, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, vcc
; GFX1064: v_cmp_ne_u32_e32 vcc, 2, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}, vcc
; GFX1064: v_cmp_ne_u32_e32 vcc, 3, v{{[0-9]+}}
; GFX1064: v_cndmask_b32_e32 v{{[0-9]+}}, 3, v{{[0-9]+}}, vcc
define amdgpu_kernel void @test_movrels_extract_neg_offset_vgpr(i32 addrspace(1)* %out) #0 {
entry:
%id = call i32 @llvm.amdgcn.workitem.id.x() #1
%index = add i32 %id, -512
%value = extractelement <4 x i32> <i32 0, i32 1, i32 2, i32 3>, i32 %index
store i32 %value, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_set_inactive:
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 42
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1064: s_not_b64 exec, exec{{$}}
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 42
; GFX1064: s_not_b64 exec, exec{{$}}
define amdgpu_kernel void @test_set_inactive(i32 addrspace(1)* %out, i32 %in) #0 {
%tmp = call i32 @llvm.amdgcn.set.inactive.i32(i32 %in, i32 42)
store i32 %tmp, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_set_inactive_64:
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1032: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1032: s_not_b32 exec_lo, exec_lo
; GFX1064: s_not_b64 exec, exec{{$}}
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1064: v_mov_b32_e32 {{v[0-9]+}}, 0
; GFX1064: s_not_b64 exec, exec{{$}}
define amdgpu_kernel void @test_set_inactive_64(i64 addrspace(1)* %out, i64 %in) #0 {
%tmp = call i64 @llvm.amdgcn.set.inactive.i64(i64 %in, i64 0)
store i64 %tmp, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_kill_i1_terminator_float:
; GFX1032: s_mov_b32 exec_lo, 0
; GFX1064: s_mov_b64 exec, 0
define amdgpu_ps void @test_kill_i1_terminator_float() #0 {
call void @llvm.amdgcn.kill(i1 false)
ret void
}
; GCN-LABEL: {{^}}test_kill_i1_terminator_i1:
; GFX1032: s_mov_b32 [[LIVE:s[0-9]+]], exec_lo
; GFX1032: s_or_b32 [[OR:s[0-9]+]],
; GFX1032: s_xor_b32 [[KILL:s[0-9]+]], [[OR]], exec_lo
; GFX1032: s_andn2_b32 [[MASK:s[0-9]+]], [[LIVE]], [[KILL]]
; GFX1032: s_and_b32 exec_lo, exec_lo, [[MASK]]
; GFX1064: s_mov_b64 [[LIVE:s\[[0-9:]+\]]], exec
; GFX1064: s_or_b64 [[OR:s\[[0-9:]+\]]],
; GFX1064: s_xor_b64 [[KILL:s\[[0-9:]+\]]], [[OR]], exec
; GFX1064: s_andn2_b64 [[MASK:s\[[0-9:]+\]]], [[LIVE]], [[KILL]]
; GFX1064: s_and_b64 exec, exec, [[MASK]]
define amdgpu_gs void @test_kill_i1_terminator_i1(i32 %a, i32 %b, i32 %c, i32 %d) #0 {
%c1 = icmp slt i32 %a, %b
%c2 = icmp slt i32 %c, %d
%x = or i1 %c1, %c2
call void @llvm.amdgcn.kill(i1 %x)
call void @llvm.amdgcn.exp.f32(i32 0, i32 0, float 0.0, float 0.0, float 0.0, float 0.0, i1 false, i1 false)
ret void
}
; GCN-LABEL: {{^}}test_loop_vcc:
; GFX1032: v_cmp_lt_f32_e32 vcc_lo,
; GFX1064: v_cmp_lt_f32_e32 vcc,
; GCN: s_cbranch_vccz
define amdgpu_ps <4 x float> @test_loop_vcc(<4 x float> %in) #0 {
entry:
br label %loop
loop:
%ctr.iv = phi float [ 0.0, %entry ], [ %ctr.next, %body ]
%c.iv = phi <4 x float> [ %in, %entry ], [ %c.next, %body ]
%cc = fcmp ogt float %ctr.iv, 7.0
br i1 %cc, label %break, label %body
body:
%c.iv0 = extractelement <4 x float> %c.iv, i32 0
%c.next = call <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32 15, float %c.iv0, <8 x i32> undef, <4 x i32> undef, i1 0, i32 0, i32 0)
%ctr.next = fadd float %ctr.iv, 2.0
br label %loop
break:
ret <4 x float> %c.iv
}
; NOTE: llvm.amdgcn.wwm is deprecated, use llvm.amdgcn.strict.wwm instead.
; GCN-LABEL: {{^}}test_wwm1:
; GFX1032: s_or_saveexec_b32 [[SAVE:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE]]
; GFX1064: s_or_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE]]
define amdgpu_ps float @test_wwm1(i32 inreg %idx0, i32 inreg %idx1, float %src0, float %src1) {
main_body:
%out = fadd float %src0, %src1
%out.0 = call float @llvm.amdgcn.wwm.f32(float %out)
ret float %out.0
}
; GCN-LABEL: {{^}}test_wwm2:
; GFX1032: v_cmp_gt_u32_e32 vcc_lo, 16, v{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 [[SAVE1:s[0-9]+]], vcc_lo
; GFX1032: s_or_saveexec_b32 [[SAVE2:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE2]]
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE1]]
; GFX1064: v_cmp_gt_u32_e32 vcc, 16, v{{[0-9]+}}
; GFX1064: s_and_saveexec_b64 [[SAVE1:s\[[0-9:]+\]]], vcc{{$}}
; GFX1064: s_or_saveexec_b64 [[SAVE2:s\[[0-9:]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE2]]
; GFX1064: s_or_b64 exec, exec, [[SAVE1]]
define amdgpu_ps float @test_wwm2(i32 inreg %idx) {
main_body:
; use mbcnt to make sure the branch is divergent
%lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
%hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
%cc = icmp uge i32 %hi, 16
br i1 %cc, label %endif, label %if
if:
%src = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx, i32 0, i32 0, i32 0)
%out = fadd float %src, %src
%out.0 = call float @llvm.amdgcn.wwm.f32(float %out)
%out.1 = fadd float %src, %out.0
br label %endif
endif:
%out.2 = phi float [ %out.1, %if ], [ 0.0, %main_body ]
ret float %out.2
}
; GCN-LABEL: {{^}}test_strict_wwm1:
; GFX1032: s_or_saveexec_b32 [[SAVE:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE]]
; GFX1064: s_or_saveexec_b64 [[SAVE:s\[[0-9]+:[0-9]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE]]
define amdgpu_ps float @test_strict_wwm1(i32 inreg %idx0, i32 inreg %idx1, float %src0, float %src1) {
main_body:
%out = fadd float %src0, %src1
%out.0 = call float @llvm.amdgcn.strict.wwm.f32(float %out)
ret float %out.0
}
; GCN-LABEL: {{^}}test_strict_wwm2:
; GFX1032: v_cmp_gt_u32_e32 vcc_lo, 16, v{{[0-9]+}}
; GFX1032: s_and_saveexec_b32 [[SAVE1:s[0-9]+]], vcc_lo
; GFX1032: s_or_saveexec_b32 [[SAVE2:s[0-9]+]], -1
; GFX1032: s_mov_b32 exec_lo, [[SAVE2]]
; GFX1032: s_or_b32 exec_lo, exec_lo, [[SAVE1]]
; GFX1064: v_cmp_gt_u32_e32 vcc, 16, v{{[0-9]+}}
; GFX1064: s_and_saveexec_b64 [[SAVE1:s\[[0-9:]+\]]], vcc{{$}}
; GFX1064: s_or_saveexec_b64 [[SAVE2:s\[[0-9:]+\]]], -1
; GFX1064: s_mov_b64 exec, [[SAVE2]]
; GFX1064: s_or_b64 exec, exec, [[SAVE1]]
define amdgpu_ps float @test_strict_wwm2(i32 inreg %idx) {
main_body:
; use mbcnt to make sure the branch is divergent
%lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0)
%hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo)
%cc = icmp uge i32 %hi, 16
br i1 %cc, label %endif, label %if
if:
%src = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx, i32 0, i32 0, i32 0)
%out = fadd float %src, %src
%out.0 = call float @llvm.amdgcn.strict.wwm.f32(float %out)
%out.1 = fadd float %src, %out.0
br label %endif
endif:
%out.2 = phi float [ %out.1, %if ], [ 0.0, %main_body ]
ret float %out.2
}
; GCN-LABEL: {{^}}test_wqm1:
; GFX1032: s_mov_b32 [[ORIG:s[0-9]+]], exec_lo
; GFX1032: s_wqm_b32 exec_lo, exec_lo
; GFX1032: s_and_b32 exec_lo, exec_lo, [[ORIG]]
; GFX1064: s_mov_b64 [[ORIG:s\[[0-9]+:[0-9]+\]]], exec{{$}}
; GFX1064: s_wqm_b64 exec, exec{{$}}
; GFX1064: s_and_b64 exec, exec, [[ORIG]]
define amdgpu_ps <4 x float> @test_wqm1(i32 inreg, i32 inreg, i32 inreg, i32 inreg %m0, <8 x i32> inreg %rsrc, <4 x i32> inreg %sampler, <2 x float> %pos) #0 {
main_body:
%inst23 = extractelement <2 x float> %pos, i32 0
%inst24 = extractelement <2 x float> %pos, i32 1
%inst25 = tail call float @llvm.amdgcn.interp.p1(float %inst23, i32 0, i32 0, i32 %m0)
%inst26 = tail call float @llvm.amdgcn.interp.p2(float %inst25, float %inst24, i32 0, i32 0, i32 %m0)
%inst28 = tail call float @llvm.amdgcn.interp.p1(float %inst23, i32 1, i32 0, i32 %m0)
%inst29 = tail call float @llvm.amdgcn.interp.p2(float %inst28, float %inst24, i32 1, i32 0, i32 %m0)
%tex = call <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32 15, float %inst26, float %inst29, <8 x i32> %rsrc, <4 x i32> %sampler, i1 0, i32 0, i32 0)
ret <4 x float> %tex
}
; GCN-LABEL: {{^}}test_wqm2:
; GFX1032: s_wqm_b32 exec_lo, exec_lo
; GFX1032: s_and_b32 exec_lo, exec_lo, s{{[0-9]+}}
; GFX1064: s_wqm_b64 exec, exec{{$}}
; GFX1064: s_and_b64 exec, exec, s[{{[0-9:]+}}]
define amdgpu_ps float @test_wqm2(i32 inreg %idx0, i32 inreg %idx1) #0 {
main_body:
%src0 = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx0, i32 0, i32 0, i32 0)
%src1 = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> undef, i32 %idx1, i32 0, i32 0, i32 0)
%out = fadd float %src0, %src1
%out.0 = bitcast float %out to i32
%out.1 = call i32 @llvm.amdgcn.wqm.i32(i32 %out.0)
%out.2 = bitcast i32 %out.1 to float
ret float %out.2
}
; GCN-LABEL: {{^}}test_intr_fcmp_i64:
; GFX1032-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], 0{{$}}
; GFX1032-DAG: v_cmp_eq_f32_e64 s[[C_LO:[0-9]+]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064: v_cmp_eq_f32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[C_HI]]
; GCN: store_dwordx2 v{{[0-9]+}}, v[[[V_LO]]:[[V_HI]]], s
define amdgpu_kernel void @test_intr_fcmp_i64(i64 addrspace(1)* %out, float %src, float %a) {
%temp = call float @llvm.fabs.f32(float %a)
%result = call i64 @llvm.amdgcn.fcmp.i64.f32(float %src, float %temp, i32 1)
store i64 %result, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_icmp_i64:
; GFX1032-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], 0{{$}}
; GFX1032-DAG: v_cmp_eq_u32_e64 [[C_LO:vcc_lo|s[0-9]+]], 0x64, {{s[0-9]+}}
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], [[C_LO]]
; GFX1064: v_cmp_eq_u32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], 0x64, {{s[0-9]+}}
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[C_HI]]
; GCN: store_dwordx2 v{{[0-9]+}}, v[[[V_LO]]:[[V_HI]]], s
define amdgpu_kernel void @test_intr_icmp_i64(i64 addrspace(1)* %out, i32 %src) {
%result = call i64 @llvm.amdgcn.icmp.i64.i32(i32 %src, i32 100, i32 32)
store i64 %result, i64 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_fcmp_i32:
; GFX1032-DAG: v_cmp_eq_f32_e64 s[[C_LO:[0-9]+]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GFX1064: v_cmp_eq_f32_e64 s[[[C_LO:[0-9]+]]:[[C_HI:[0-9]+]]], {{s[0-9]+}}, |{{[vs][0-9]+}}|
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]
; GCN: store_dword v{{[0-9]+}}, v[[V_LO]], s
define amdgpu_kernel void @test_intr_fcmp_i32(i32 addrspace(1)* %out, float %src, float %a) {
%temp = call float @llvm.fabs.f32(float %a)
%result = call i32 @llvm.amdgcn.fcmp.i32.f32(float %src, float %temp, i32 1)
store i32 %result, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_intr_icmp_i32:
; GFX1032-DAG: v_cmp_eq_u32_e64 s[[C_LO:[0-9]+]], 0x64, {{s[0-9]+}}
; GFX1032-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]{{$}}
; GFX1064: v_cmp_eq_u32_e64 s[[[C_LO:[0-9]+]]:{{[0-9]+}}], 0x64, {{s[0-9]+}}
; GFX1064-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[C_LO]]{{$}}
; GCN: store_dword v{{[0-9]+}}, v[[V_LO]], s
define amdgpu_kernel void @test_intr_icmp_i32(i32 addrspace(1)* %out, i32 %src) {
%result = call i32 @llvm.amdgcn.icmp.i32.i32(i32 %src, i32 100, i32 32)
store i32 %result, i32 addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_wqm_vote:
; GFX1032: v_cmp_neq_f32_e32 vcc_lo, 0
; GFX1032: s_mov_b32 [[LIVE:s[0-9]+]], exec_lo
; GFX1032: s_wqm_b32 [[WQM:s[0-9]+]], vcc_lo
; GFX1032: s_xor_b32 [[KILL:s[0-9]+]], [[WQM]], exec_lo
; GFX1032: s_andn2_b32 [[MASK:s[0-9]+]], [[LIVE]], [[KILL]]
; GFX1032: s_and_b32 exec_lo, exec_lo, [[MASK]]
; GFX1064: v_cmp_neq_f32_e32 vcc, 0
; GFX1064: s_mov_b64 [[LIVE:s\[[0-9:]+\]]], exec
; GFX1064: s_wqm_b64 [[WQM:s\[[0-9:]+\]]], vcc
; GFX1064: s_xor_b64 [[KILL:s\[[0-9:]+\]]], [[WQM]], exec
; GFX1064: s_andn2_b64 [[MASK:s\[[0-9:]+\]]], [[LIVE]], [[KILL]]
; GFX1064: s_and_b64 exec, exec, [[MASK]]
define amdgpu_ps void @test_wqm_vote(float %a) {
%c1 = fcmp une float %a, 0.0
%c2 = call i1 @llvm.amdgcn.wqm.vote(i1 %c1)
call void @llvm.amdgcn.kill(i1 %c2)
call void @llvm.amdgcn.exp.f32(i32 0, i32 0, float 0.0, float 0.0, float 0.0, float 0.0, i1 false, i1 false)
ret void
}
; GCN-LABEL: {{^}}test_branch_true:
; GFX1032: s_mov_b32 vcc_lo, exec_lo
; GFX1064: s_mov_b64 vcc, exec
define amdgpu_kernel void @test_branch_true() #2 {
entry:
br i1 true, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body, %for.body.lr.ph
br i1 undef, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
; GCN-LABEL: {{^}}test_ps_live:
; GFX1032: s_mov_b32 [[C:s[0-9]+]], exec_lo
; GFX1064: s_mov_b64 [[C:s\[[0-9:]+\]]], exec{{$}}
; GCN: v_cndmask_b32_e64 v{{[0-9]+}}, 0, 1, [[C]]
define amdgpu_ps float @test_ps_live() #0 {
%live = call i1 @llvm.amdgcn.ps.live()
%live.32 = zext i1 %live to i32
%r = bitcast i32 %live.32 to float
ret float %r
}
; GCN-LABEL: {{^}}test_vccnz_ifcvt_triangle64:
; GFX1032: v_cmp_neq_f64_e64 [[C:s[0-9]+]], s[{{[0-9:]+}}], 1.0
; GFX1032: s_and_b32 vcc_lo, exec_lo, [[C]]
; GFX1064: v_cmp_neq_f64_e64 [[C:s\[[0-9:]+\]]], s[{{[0-9:]+}}], 1.0
; GFX1064: s_and_b64 vcc, exec, [[C]]
define amdgpu_kernel void @test_vccnz_ifcvt_triangle64(double addrspace(1)* %out, double addrspace(1)* %in) #0 {
entry:
%v = load double, double addrspace(1)* %in
%cc = fcmp oeq double %v, 1.000000e+00
br i1 %cc, label %if, label %endif
if:
%u = fadd double %v, %v
br label %endif
endif:
%r = phi double [ %v, %entry ], [ %u, %if ]
store double %r, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}test_vgprblocks_w32_attr:
; Test that the wave size can be overridden in function attributes and that the block size is correct as a result
; GFX10DEFWAVE: ; VGPRBlocks: 1
define amdgpu_gs float @test_vgprblocks_w32_attr(float %a, float %b, float %c, float %d, float %e,
float %f, float %g, float %h, float %i, float %j, float %k, float %l) #3 {
main_body:
%s = fadd float %a, %b
%s.1 = fadd float %s, %c
%s.2 = fadd float %s.1, %d
%s.3 = fadd float %s.2, %e
%s.4 = fadd float %s.3, %f
%s.5 = fadd float %s.4, %g
%s.6 = fadd float %s.5, %h
%s.7 = fadd float %s.6, %i
%s.8 = fadd float %s.7, %j
%s.9 = fadd float %s.8, %k
%s.10 = fadd float %s.9, %l
ret float %s.10
}
; GCN-LABEL: {{^}}test_vgprblocks_w64_attr:
; Test that the wave size can be overridden in function attributes and that the block size is correct as a result
; GFX10DEFWAVE: ; VGPRBlocks: 2
define amdgpu_gs float @test_vgprblocks_w64_attr(float %a, float %b, float %c, float %d, float %e,
float %f, float %g, float %h, float %i, float %j, float %k, float %l) #4 {
main_body:
%s = fadd float %a, %b
%s.1 = fadd float %s, %c
%s.2 = fadd float %s.1, %d
%s.3 = fadd float %s.2, %e
%s.4 = fadd float %s.3, %f
%s.5 = fadd float %s.4, %g
%s.6 = fadd float %s.5, %h
%s.7 = fadd float %s.6, %i
%s.8 = fadd float %s.7, %j
%s.9 = fadd float %s.8, %k
%s.10 = fadd float %s.9, %l
ret float %s.10
}
; GCN-LABEL: {{^}}icmp64:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_u32_e32 vcc, 0, v
define amdgpu_kernel void @icmp64(i32 %n, i32 %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%mul4 = mul nsw i32 %s, %n
%cmp = icmp slt i32 0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem = urem i32 %id, %s
%icmp = tail call i64 @llvm.amdgcn.icmp.i64.i32(i32 %rem, i32 0, i32 32)
%shr = lshr i64 %icmp, 1
%notmask = shl nsw i64 -1, 0
%and = and i64 %notmask, %shr
%or = or i64 %and, -9223372036854775808
%cttz = tail call i64 @llvm.cttz.i64(i64 %or, i1 true)
%cast = trunc i64 %cttz to i32
%cmp3 = icmp ugt i32 10, %cast
%cmp6 = icmp ne i32 %rem, 0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}fcmp64:
; GFX1032: v_cmp_eq_f32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_f32_e32 vcc, 0, v
define amdgpu_kernel void @fcmp64(float %n, float %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%id.f = uitofp i32 %id to float
%mul4 = fmul float %s, %n
%cmp = fcmp ult float 0.0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem.f = frem float %id.f, %s
%fcmp = tail call i64 @llvm.amdgcn.fcmp.i64.f32(float %rem.f, float 0.0, i32 1)
%shr = lshr i64 %fcmp, 1
%notmask = shl nsw i64 -1, 0
%and = and i64 %notmask, %shr
%or = or i64 %and, -9223372036854775808
%cttz = tail call i64 @llvm.cttz.i64(i64 %or, i1 true)
%cast = trunc i64 %cttz to i32
%cmp3 = icmp ugt i32 10, %cast
%cmp6 = fcmp one float %rem.f, 0.0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}icmp32:
; GFX1032: v_cmp_eq_u32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_u32_e32 vcc, 0, v
define amdgpu_kernel void @icmp32(i32 %n, i32 %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%mul4 = mul nsw i32 %s, %n
%cmp = icmp slt i32 0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem = urem i32 %id, %s
%icmp = tail call i32 @llvm.amdgcn.icmp.i32.i32(i32 %rem, i32 0, i32 32)
%shr = lshr i32 %icmp, 1
%notmask = shl nsw i32 -1, 0
%and = and i32 %notmask, %shr
%or = or i32 %and, 2147483648
%cttz = tail call i32 @llvm.cttz.i32(i32 %or, i1 true)
%cmp3 = icmp ugt i32 10, %cttz
%cmp6 = icmp ne i32 %rem, 0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
; GCN-LABEL: {{^}}fcmp32:
; GFX1032: v_cmp_eq_f32_e32 vcc_lo, 0, v
; GFX1064: v_cmp_eq_f32_e32 vcc, 0, v
define amdgpu_kernel void @fcmp32(float %n, float %s) {
entry:
%id = tail call i32 @llvm.amdgcn.workitem.id.x()
%id.f = uitofp i32 %id to float
%mul4 = fmul float %s, %n
%cmp = fcmp ult float 0.0, %mul4
br label %if.end
if.end: ; preds = %entry
%rem.f = frem float %id.f, %s
%fcmp = tail call i32 @llvm.amdgcn.fcmp.i32.f32(float %rem.f, float 0.0, i32 1)
%shr = lshr i32 %fcmp, 1
%notmask = shl nsw i32 -1, 0
%and = and i32 %notmask, %shr
%or = or i32 %and, 2147483648
%cttz = tail call i32 @llvm.cttz.i32(i32 %or, i1 true)
%cmp3 = icmp ugt i32 10, %cttz
%cmp6 = fcmp one float %rem.f, 0.0
%brmerge = or i1 %cmp6, %cmp3
br i1 %brmerge, label %if.end2, label %if.then
if.then: ; preds = %if.end
unreachable
if.end2: ; preds = %if.end
ret void
}
declare void @external_void_func_void() #1
; Test save/restore of VGPR needed for SGPR spilling.
; GCN-LABEL: {{^}}callee_no_stack_with_call:
; GCN: s_waitcnt
; GCN-NEXT: s_waitcnt_vscnt
; GFX1064-NEXT: s_or_saveexec_b64 [[COPY_EXEC0:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GFX1032-NEXT: s_or_saveexec_b32 [[COPY_EXEC0:s[0-9]+]], -1{{$}}
; GCN-NEXT: buffer_store_dword v40, off, s[0:3], s32 ; 4-byte Folded Spill
; GCN-NEXT: s_waitcnt_depctr 0xffe3
; GFX1064-NEXT: s_mov_b64 exec, [[COPY_EXEC0]]
; GFX1032-NEXT: s_mov_b32 exec_lo, [[COPY_EXEC0]]
; GCN-NEXT: v_writelane_b32 v40, s33, 2
; GCN: s_mov_b32 s33, s32
; GFX1064: s_addk_i32 s32, 0x400
; GFX1032: s_addk_i32 s32, 0x200
; GCN-DAG: v_writelane_b32 v40, s30, 0
; GCN-DAG: v_writelane_b32 v40, s31, 1
; GCN: s_swappc_b64
; GCN-DAG: v_readlane_b32 s30, v40, 0
; GCN-DAG: v_readlane_b32 s31, v40, 1
; GFX1064: s_addk_i32 s32, 0xfc00
; GFX1032: s_addk_i32 s32, 0xfe00
; GCN: v_readlane_b32 s33, v40, 2
; GFX1064: s_or_saveexec_b64 [[COPY_EXEC1:s\[[0-9]+:[0-9]+\]]], -1{{$}}
; GFX1032: s_or_saveexec_b32 [[COPY_EXEC1:s[0-9]]], -1{{$}}
; GCN-NEXT: buffer_load_dword v40, off, s[0:3], s32 ; 4-byte Folded Reload
; GCN-NEXT: s_waitcnt_depctr 0xffe3
; GFX1064-NEXT: s_mov_b64 exec, [[COPY_EXEC1]]
; GFX1032-NEXT: s_mov_b32 exec_lo, [[COPY_EXEC1]]
; GCN-NEXT: s_waitcnt vmcnt(0)
; GCN-NEXT: s_setpc_b64
define void @callee_no_stack_with_call() #1 {
call void @external_void_func_void()
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x()
declare float @llvm.fabs.f32(float)
declare { float, i1 } @llvm.amdgcn.div.scale.f32(float, float, i1)
declare { double, i1 } @llvm.amdgcn.div.scale.f64(double, double, i1)
declare float @llvm.amdgcn.div.fmas.f32(float, float, float, i1)
declare double @llvm.amdgcn.div.fmas.f64(double, double, double, i1)
declare i1 @llvm.amdgcn.class.f32(float, i32)
declare i32 @llvm.amdgcn.set.inactive.i32(i32, i32)
declare i64 @llvm.amdgcn.set.inactive.i64(i64, i64)
declare <4 x float> @llvm.amdgcn.image.sample.1d.v4f32.f32(i32, float, <8 x i32>, <4 x i32>, i1, i32, i32)
declare <4 x float> @llvm.amdgcn.image.sample.2d.v4f32.f32(i32, float, float, <8 x i32>, <4 x i32>, i1, i32, i32)
declare float @llvm.amdgcn.strict.wwm.f32(float)
declare float @llvm.amdgcn.wwm.f32(float)
declare i32 @llvm.amdgcn.wqm.i32(i32)
declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32)
declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32)
declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg)
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32)
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32)
declare i64 @llvm.amdgcn.fcmp.i64.f32(float, float, i32)
declare i64 @llvm.amdgcn.icmp.i64.i32(i32, i32, i32)
declare i32 @llvm.amdgcn.fcmp.i32.f32(float, float, i32)
declare i32 @llvm.amdgcn.icmp.i32.i32(i32, i32, i32)
declare void @llvm.amdgcn.kill(i1)
declare i1 @llvm.amdgcn.wqm.vote(i1)
declare i1 @llvm.amdgcn.ps.live()
declare i64 @llvm.cttz.i64(i64, i1)
declare i32 @llvm.cttz.i32(i32, i1)
declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #5
attributes #0 = { nounwind readnone speculatable }
attributes #1 = { nounwind }
attributes #2 = { nounwind readnone optnone noinline }
attributes #3 = { "target-features"="+wavefrontsize32" }
attributes #4 = { "target-features"="+wavefrontsize64" }
attributes #5 = { inaccessiblememonly nounwind }