; RUN: llc -march=amdgcn -mtriple=amdgcn-amd-amdhsa -mcpu=kaveri --amdhsa-code-object-version=2 -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=HSA -check-prefix=CI %s ; RUN: llc -march=amdgcn -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --amdhsa-code-object-version=2 -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=HSA -check-prefix=GFX9 %s ; HSA-LABEL: {{^}}use_group_to_flat_addrspacecast: ; HSA: enable_sgpr_private_segment_buffer = 1 ; HSA: enable_sgpr_dispatch_ptr = 0 ; CI: enable_sgpr_queue_ptr = 1 ; GFX9: enable_sgpr_queue_ptr = 0 ; CI-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}} ; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10{{$}} ; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]] ; CI-DAG: s_cmp_lg_u32 [[PTR]], -1 ; CI-DAG: s_cselect_b64 vcc, -1, 0 ; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; CI-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]] ; CI-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]] ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7 ; GFX9-DAG: s_load_dword [[PTR:s[0-9]+]], s[4:5], 0x0{{$}} ; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16) ; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16 ; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_SHARED_BASE]] ; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_shared_base ; GFX9: s_cmp_lg_u32 [[PTR]], -1 ; GFX9: s_cselect_b64 vcc, -1, 0 ; GFX9: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; GFX9-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]] ; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]] ; HSA: flat_store_dword v[[[LO]]:[[HI]]], [[K]] ; At most 2 digits. Make sure src_shared_base is not counted as a high ; number SGPR. ; CI: NumSgprs: {{[0-9][0-9]+}} ; GFX9: NumSgprs: {{[0-9]+}} define amdgpu_kernel void @use_group_to_flat_addrspacecast(i32 addrspace(3)* %ptr) #0 { %stof = addrspacecast i32 addrspace(3)* %ptr to i32* store volatile i32 7, i32* %stof ret void } ; Test handling inside a non-kernel ; HSA-LABEL: {{^}}use_group_to_flat_addrspacecast_func: ; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[6:7], 0x10{{$}} ; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]] ; CI-DAG: v_cmp_ne_u32_e32 vcc, -1, v0 ; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; CI-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, v0 ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7 ; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16) ; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16 ; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_SHARED_BASE]] ; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_shared_base ; GFX9-DAG: v_cmp_ne_u32_e32 vcc, -1, v0 ; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, v0, vcc ; GFX9-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; HSA: flat_store_dword v[[[LO]]:[[HI]]], [[K]] define void @use_group_to_flat_addrspacecast_func(i32 addrspace(3)* %ptr) #0 { %stof = addrspacecast i32 addrspace(3)* %ptr to i32* store volatile i32 7, i32* %stof ret void } ; HSA-LABEL: {{^}}use_private_to_flat_addrspacecast: ; HSA: enable_sgpr_private_segment_buffer = 1 ; HSA: enable_sgpr_dispatch_ptr = 0 ; CI: enable_sgpr_queue_ptr = 1 ; GFX9: enable_sgpr_queue_ptr = 0 ; CI-DAG: s_load_dword [[PTR:s[0-9]+]], s[6:7], 0x0{{$}} ; CI-DAG: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11{{$}} ; CI-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[APERTURE]] ; CI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7 ; CI-DAG: s_cmp_lg_u32 [[PTR]], -1 ; CI-DAG: s_cselect_b64 vcc, -1, 0 ; CI-DAG: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; CI-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]] ; CI-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]] ; GFX9-DAG: s_load_dword [[PTR:s[0-9]+]], s[4:5], 0x0{{$}} ; GFX9-DAG: s_getreg_b32 [[SSRC_PRIVATE:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 0, 16) ; GFX9-DAG: s_lshl_b32 [[SSRC_PRIVATE_BASE:s[0-9]+]], [[SSRC_PRIVATE]], 16 ; GFX9-DAG: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], [[SSRC_PRIVATE_BASE]] ; GFX9-XXX: v_mov_b32_e32 [[VAPERTURE:v[0-9]+]], src_private_base ; GFX9-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7 ; GFX9: s_cmp_lg_u32 [[PTR]], -1 ; GFX9: s_cselect_b64 vcc, -1, 0 ; GFX9: v_cndmask_b32_e32 v[[HI:[0-9]+]], 0, [[VAPERTURE]], vcc ; GFX9: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]] ; GFX9-DAG: v_cndmask_b32_e32 v[[LO:[0-9]+]], 0, [[VPTR]] ; HSA: flat_store_dword v[[[LO]]:[[HI]]], [[K]] ; CI: NumSgprs: {{[0-9][0-9]+}} ; GFX9: NumSgprs: {{[0-9]+}} define amdgpu_kernel void @use_private_to_flat_addrspacecast(i32 addrspace(5)* %ptr) #0 { %stof = addrspacecast i32 addrspace(5)* %ptr to i32* store volatile i32 7, i32* %stof ret void } ; no-op ; HSA-LABEL: {{^}}use_global_to_flat_addrspacecast: ; HSA: enable_sgpr_queue_ptr = 0 ; HSA: s_load_dwordx2 s[[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]] ; HSA-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]] ; HSA-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]] ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7 ; HSA: flat_store_dword v[[[VPTRLO]]:[[VPTRHI]]], [[K]] define amdgpu_kernel void @use_global_to_flat_addrspacecast(i32 addrspace(1)* %ptr) #0 { %stof = addrspacecast i32 addrspace(1)* %ptr to i32* store volatile i32 7, i32* %stof ret void } ; no-op ; HSA-LABEl: {{^}}use_constant_to_flat_addrspacecast: ; HSA: s_load_dwordx2 s[[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]] ; HSA-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]] ; HSA-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]] ; HSA: flat_load_dword v{{[0-9]+}}, v[[[VPTRLO]]:[[VPTRHI]]] define amdgpu_kernel void @use_constant_to_flat_addrspacecast(i32 addrspace(4)* %ptr) #0 { %stof = addrspacecast i32 addrspace(4)* %ptr to i32* %ld = load volatile i32, i32* %stof ret void } ; HSA-LABEl: {{^}}use_constant_to_global_addrspacecast: ; HSA: s_load_dwordx2 s[[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]] ; CI-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]] ; CI-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]] ; CI: {{flat|global}}_load_dword v{{[0-9]+}}, v[[[VPTRLO]]:[[VPTRHI]]] ; GFX9: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}} ; GFX9: global_load_dword v{{[0-9]+}}, [[ZERO:v[0-9]+]], s[[[PTRLO]]:[[PTRHI]]] define amdgpu_kernel void @use_constant_to_global_addrspacecast(i32 addrspace(4)* %ptr) #0 { %stof = addrspacecast i32 addrspace(4)* %ptr to i32 addrspace(1)* %ld = load volatile i32, i32 addrspace(1)* %stof ret void } ; HSA-LABEL: {{^}}use_flat_to_group_addrspacecast: ; HSA: enable_sgpr_private_segment_buffer = 1 ; HSA: enable_sgpr_dispatch_ptr = 0 ; HSA: enable_sgpr_queue_ptr = 0 ; HSA: s_load_dwordx2 s[[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]] ; CI-DAG: v_cmp_ne_u64_e64 vcc, s[[[PTR_LO]]:[[PTR_HI]]], 0{{$}} ; CI-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]] ; CI-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]] ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}} ; GFX9-DAG: s_cmp_lg_u64 s[[[CMP_LO:[0-9]+]]:[[CMP_HI:[0-9]+]]], 0 ; GFX9-DAG: s_cselect_b32 s[[PTR_LO]], s[[PTR_LO]], -1 ; GFX9-DAG: v_mov_b32_e32 [[CASTPTR:v[0-9]+]], s[[PTR_LO]] ; HSA: ds_write_b32 [[CASTPTR]], v[[K]] define amdgpu_kernel void @use_flat_to_group_addrspacecast(i32* %ptr) #0 { %ftos = addrspacecast i32* %ptr to i32 addrspace(3)* store volatile i32 0, i32 addrspace(3)* %ftos ret void } ; HSA-LABEL: {{^}}use_flat_to_private_addrspacecast: ; HSA: enable_sgpr_private_segment_buffer = 1 ; HSA: enable_sgpr_dispatch_ptr = 0 ; HSA: enable_sgpr_queue_ptr = 0 ; HSA: s_load_dwordx2 s[[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]] ; CI-DAG: v_cmp_ne_u64_e64 vcc, s[[[PTR_LO]]:[[PTR_HI]]], 0{{$}} ; CI-DAG: v_mov_b32_e32 v[[VPTR_LO:[0-9]+]], s[[PTR_LO]] ; CI-DAG: v_cndmask_b32_e32 [[CASTPTR:v[0-9]+]], -1, v[[VPTR_LO]] ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 0{{$}} ; GFX9-DAG: s_cmp_lg_u64 s[[[CMP_LO:[0-9]+]]:[[CMP_HI:[0-9]+]]], 0 ; GFX9-DAG: s_cselect_b32 s[[PTR_LO]], s[[PTR_LO]], -1 ; GFX9-DAG: v_mov_b32_e32 [[CASTPTR:v[0-9]+]], s[[PTR_LO]] ; HSA: buffer_store_dword v[[K]], [[CASTPTR]], s{{\[[0-9]+:[0-9]+\]}}, 0 offen{{$}} define amdgpu_kernel void @use_flat_to_private_addrspacecast(i32* %ptr) #0 { %ftos = addrspacecast i32* %ptr to i32 addrspace(5)* store volatile i32 0, i32 addrspace(5)* %ftos ret void } ; HSA-LABEL: {{^}}use_flat_to_global_addrspacecast: ; HSA: enable_sgpr_queue_ptr = 0 ; HSA: s_load_dwordx2 s[[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]], s[4:5], 0x0 ; CI-DAG: v_mov_b32_e32 v[[VPTRLO:[0-9]+]], s[[PTRLO]] ; CI-DAG: v_mov_b32_e32 v[[VPTRHI:[0-9]+]], s[[PTRHI]] ; CI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0 ; CI: flat_store_dword v[[[VPTRLO]]:[[VPTRHI]]], [[K]] ; GFX9: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0 ; GFX9: global_store_dword [[ZERO]], [[ZERO]], s[[[PTRLO]]:[[PTRHI]]{{\]$}} define amdgpu_kernel void @use_flat_to_global_addrspacecast(i32* %ptr) #0 { %ftos = addrspacecast i32* %ptr to i32 addrspace(1)* store volatile i32 0, i32 addrspace(1)* %ftos ret void } ; HSA-LABEL: {{^}}use_flat_to_constant_addrspacecast: ; HSA: enable_sgpr_queue_ptr = 0 ; HSA: s_load_dwordx2 s[[[PTRLO:[0-9]+]]:[[PTRHI:[0-9]+]]], s[4:5], 0x0 ; HSA: s_load_dword s{{[0-9]+}}, s[[[PTRLO]]:[[PTRHI]]], 0x0 define amdgpu_kernel void @use_flat_to_constant_addrspacecast(i32* %ptr) #0 { %ftos = addrspacecast i32* %ptr to i32 addrspace(4)* load volatile i32, i32 addrspace(4)* %ftos ret void } ; HSA-LABEL: {{^}}cast_0_group_to_flat_addrspacecast: ; CI: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x10 ; CI-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]] ; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 16, 16) ; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16 ; GFX9-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[SSRC_SHARED_BASE]] ; GFX9-XXX: v_mov_b32_e32 v[[HI:[0-9]+]], src_shared_base ; HSA-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}} ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}} ; HSA: {{flat|global}}_store_dword v[[[LO]]:[[HI]]], v[[K]] define amdgpu_kernel void @cast_0_group_to_flat_addrspacecast() #0 { %cast = addrspacecast i32 addrspace(3)* null to i32* store volatile i32 7, i32* %cast ret void } ; HSA-LABEL: {{^}}cast_0_flat_to_group_addrspacecast: ; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}} ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}} ; HSA: ds_write_b32 [[PTR]], [[K]] define amdgpu_kernel void @cast_0_flat_to_group_addrspacecast() #0 { %cast = addrspacecast i32* null to i32 addrspace(3)* store volatile i32 7, i32 addrspace(3)* %cast ret void } ; HSA-LABEL: {{^}}cast_neg1_group_to_flat_addrspacecast: ; HSA: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}} ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}} ; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}} ; HSA: {{flat|global}}_store_dword v[[[LO]]:[[HI]]], v[[K]] define amdgpu_kernel void @cast_neg1_group_to_flat_addrspacecast() #0 { %cast = addrspacecast i32 addrspace(3)* inttoptr (i32 -1 to i32 addrspace(3)*) to i32* store volatile i32 7, i32* %cast ret void } ; HSA-LABEL: {{^}}cast_neg1_flat_to_group_addrspacecast: ; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}} ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}} ; HSA: ds_write_b32 [[PTR]], [[K]] define amdgpu_kernel void @cast_neg1_flat_to_group_addrspacecast() #0 { %cast = addrspacecast i32* inttoptr (i64 -1 to i32*) to i32 addrspace(3)* store volatile i32 7, i32 addrspace(3)* %cast ret void } ; FIXME: Shouldn't need to enable queue ptr ; HSA-LABEL: {{^}}cast_0_private_to_flat_addrspacecast: ; CI: s_load_dword [[APERTURE:s[0-9]+]], s[4:5], 0x11 ; CI-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[APERTURE]] ; GFX9-DAG: s_getreg_b32 [[SSRC_SHARED:s[0-9]+]], hwreg(HW_REG_SH_MEM_BASES, 0, 16) ; GFX9-DAG: s_lshl_b32 [[SSRC_SHARED_BASE:s[0-9]+]], [[SSRC_SHARED]], 16 ; GFX9-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], [[SSRC_SHARED_BASE]] ; GFX9-XXX: v_mov_b32_e32 v[[HI:[0-9]+]], src_shared_base ; HSA-DAG: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}} ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}} ; HSA: {{flat|global}}_store_dword v[[[LO]]:[[HI]]], v[[K]] define amdgpu_kernel void @cast_0_private_to_flat_addrspacecast() #0 { %cast = addrspacecast i32 addrspace(5)* null to i32* store volatile i32 7, i32* %cast ret void } ; HSA-LABEL: {{^}}cast_0_flat_to_private_addrspacecast: ; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}} ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}} ; HSA: buffer_store_dword [[K]], [[PTR]], s{{\[[0-9]+:[0-9]+\]}}, 0 define amdgpu_kernel void @cast_0_flat_to_private_addrspacecast() #0 { %cast = addrspacecast i32* null to i32 addrspace(5)* store volatile i32 7, i32 addrspace(5)* %cast ret void } ; HSA-LABEL: {{^}}cast_neg1_private_to_flat_addrspacecast: ; CI: enable_sgpr_queue_ptr = 1 ; GFX9: enable_sgpr_queue_ptr = 0 ; HSA: v_mov_b32_e32 v[[LO:[0-9]+]], 0{{$}} ; HSA-DAG: v_mov_b32_e32 v[[K:[0-9]+]], 7{{$}} ; HSA-DAG: v_mov_b32_e32 v[[HI:[0-9]+]], 0{{$}} ; HSA: {{flat|global}}_store_dword v[[[LO]]:[[HI]]], v[[K]] define amdgpu_kernel void @cast_neg1_private_to_flat_addrspacecast() #0 { %cast = addrspacecast i32 addrspace(5)* inttoptr (i32 -1 to i32 addrspace(5)*) to i32* store volatile i32 7, i32* %cast ret void } ; HSA-LABEL: {{^}}cast_neg1_flat_to_private_addrspacecast: ; HSA-DAG: v_mov_b32_e32 [[PTR:v[0-9]+]], -1{{$}} ; HSA-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 7{{$}} ; HSA: buffer_store_dword [[K]], [[PTR]], s{{\[[0-9]+:[0-9]+\]}}, 0 define amdgpu_kernel void @cast_neg1_flat_to_private_addrspacecast() #0 { %cast = addrspacecast i32* inttoptr (i64 -1 to i32*) to i32 addrspace(5)* store volatile i32 7, i32 addrspace(5)* %cast ret void } ; Disable optimizations in case there are optimizations added that ; specialize away generic pointer accesses. ; HSA-LABEL: {{^}}branch_use_flat_i32: ; HSA: {{flat|global}}_store_dword {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} ; HSA: s_endpgm define amdgpu_kernel void @branch_use_flat_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %gptr, i32 addrspace(3)* %lptr, i32 %x, i32 %c) #0 { entry: %cmp = icmp ne i32 %c, 0 br i1 %cmp, label %local, label %global local: %flat_local = addrspacecast i32 addrspace(3)* %lptr to i32* br label %end global: %flat_global = addrspacecast i32 addrspace(1)* %gptr to i32* br label %end end: %fptr = phi i32* [ %flat_local, %local ], [ %flat_global, %global ] store volatile i32 %x, i32* %fptr, align 4 ; %val = load i32, i32* %fptr, align 4 ; store i32 %val, i32 addrspace(1)* %out, align 4 ret void } ; Check for prologue initializing special SGPRs pointing to scratch. ; HSA-LABEL: {{^}}store_flat_scratch: ; CI-DAG: s_mov_b32 flat_scratch_lo, s9 ; CI-DAG: s_add_i32 [[ADD:s[0-9]+]], s8, s11 ; CI-DAG: s_lshr_b32 flat_scratch_hi, [[ADD]], 8 ; GFX9: s_add_u32 flat_scratch_lo, s6, s9 ; GFX9: s_addc_u32 flat_scratch_hi, s7, 0 ; HSA: {{flat|global}}_store_dword ; HSA: s_barrier ; HSA: {{flat|global}}_load_dword define amdgpu_kernel void @store_flat_scratch(i32 addrspace(1)* noalias %out, i32) #0 { %alloca = alloca i32, i32 9, align 4, addrspace(5) %x = call i32 @llvm.amdgcn.workitem.id.x() #2 %pptr = getelementptr i32, i32 addrspace(5)* %alloca, i32 %x %fptr = addrspacecast i32 addrspace(5)* %pptr to i32* store volatile i32 %x, i32* %fptr ; Dummy call call void @llvm.amdgcn.s.barrier() #1 %reload = load volatile i32, i32* %fptr, align 4 store volatile i32 %reload, i32 addrspace(1)* %out, align 4 ret void } ; HSA-LABEL: {{^}}use_constant_to_constant32_addrspacecast ; GFX9: s_load_dwordx2 [[PTRPTR:s\[[0-9]+:[0-9]+\]]], s[4:5], 0x0{{$}} ; GFX9: s_load_dword [[OFFSET:s[0-9]+]], s[4:5], 0x8{{$}} ; GFX9: s_load_dwordx2 s[[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]], [[PTRPTR]], 0x0{{$}} ; GFX9: s_mov_b32 s[[PTR_HI]], 0{{$}} ; GFX9: s_add_i32 s[[PTR_LO]], s[[PTR_LO]], [[OFFSET]] ; GFX9: s_load_dword s{{[0-9]+}}, s[[[PTR_LO]]:[[PTR_HI]]], 0x0{{$}} define amdgpu_kernel void @use_constant_to_constant32_addrspacecast(i8 addrspace(4)* addrspace(4)* %ptr.ptr, i32 %offset) #0 { %ptr = load volatile i8 addrspace(4)*, i8 addrspace(4)* addrspace(4)* %ptr.ptr %addrspacecast = addrspacecast i8 addrspace(4)* %ptr to i8 addrspace(6)* %gep = getelementptr i8, i8 addrspace(6)* %addrspacecast, i32 %offset %ptr.cast = bitcast i8 addrspace(6)* %gep to i32 addrspace(6)* %load = load volatile i32, i32 addrspace(6)* %ptr.cast, align 4 ret void } ; HSA-LABEL: {{^}}use_global_to_constant32_addrspacecast ; GFX9: s_load_dwordx2 [[PTRPTR:s\[[0-9]+:[0-9]+\]]], s[4:5], 0x0{{$}} ; GFX9: s_load_dword [[OFFSET:s[0-9]+]], s[4:5], 0x8{{$}} ; GFX9: s_load_dwordx2 s[[[PTR_LO:[0-9]+]]:[[PTR_HI:[0-9]+]]], [[PTRPTR]], 0x0{{$}} ; GFX9: s_mov_b32 s[[PTR_HI]], 0{{$}} ; GFX9: s_add_i32 s[[PTR_LO]], s[[PTR_LO]], [[OFFSET]] ; GFX9: s_load_dword s{{[0-9]+}}, s[[[PTR_LO]]:[[PTR_HI]]], 0x0{{$}} define amdgpu_kernel void @use_global_to_constant32_addrspacecast(i8 addrspace(1)* addrspace(4)* %ptr.ptr, i32 %offset) #0 { %ptr = load volatile i8 addrspace(1)*, i8 addrspace(1)* addrspace(4)* %ptr.ptr %addrspacecast = addrspacecast i8 addrspace(1)* %ptr to i8 addrspace(6)* %gep = getelementptr i8, i8 addrspace(6)* %addrspacecast, i32 %offset %ptr.cast = bitcast i8 addrspace(6)* %gep to i32 addrspace(6)* %load = load volatile i32, i32 addrspace(6)* %ptr.cast, align 4 ret void } ; GCN-LABEL: {{^}}use_constant32bit_to_flat_addrspacecast_0: ; GCN: s_load_dword [[PTR:s[0-9]+]], ; GCN: v_mov_b32_e32 v[[HI:[0-9]+]], 0 ; GCN: v_mov_b32_e32 v[[LO:[0-9]+]], [[PTR]] ; GCN: flat_load_dword v{{[0-9]+}}, v[[[LO]]:[[HI]]] define amdgpu_kernel void @use_constant32bit_to_flat_addrspacecast_0(i32 addrspace(6)* %ptr) #0 { %stof = addrspacecast i32 addrspace(6)* %ptr to i32* %load = load volatile i32, i32* %stof ret void } ; GCN-LABEL: {{^}}use_constant32bit_to_flat_addrspacecast_1: ; GCN: s_load_dword [[PTR:s[0-9]+]], ; GCN: v_mov_b32_e32 v[[HI:[0-9]+]], 0xffff8000 ; GCN: v_mov_b32_e32 v[[LO:[0-9]+]], [[PTR]] ; GCN: flat_load_dword v{{[0-9]+}}, v[[[LO]]:[[HI]]] define amdgpu_kernel void @use_constant32bit_to_flat_addrspacecast_1(i32 addrspace(6)* %ptr) #3 { %stof = addrspacecast i32 addrspace(6)* %ptr to i32* %load = load volatile i32, i32* %stof ret void } declare void @llvm.amdgcn.s.barrier() #1 declare i32 @llvm.amdgcn.workitem.id.x() #2 attributes #0 = { nounwind } attributes #1 = { nounwind convergent } attributes #2 = { nounwind readnone } attributes #3 = { nounwind "amdgpu-32bit-address-high-bits"="0xffff8000" }