# RUN: llc --mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs -run-pass si-fold-operands,si-shrink-instructions %s -o - | FileCheck %s --- | define amdgpu_kernel void @add_f32_1.0_one_f16_use() #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f32.add = fadd float %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile float %f32.add, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_f32_1.0_multi_f16_use() #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f32.add = fadd float %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile float %f32.add, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_f32_1.0_one_f32_use_one_f16_use () #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f32.add = fadd float %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile float %f32.add, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_f32_1.0_one_f32_use_multi_f16_use () #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f16.add1 = fadd half %f16.val1, 0xH3C00 %f32.add = fadd float %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile half %f16.add1, half addrspace(1)* undef store volatile float %f32.add, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_i32_1_multi_f16_use() #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH0001 %f16.add1 = fadd half %f16.val1, 0xH0001 store volatile half %f16.add0, half addrspace(1)* undef store volatile half %f16.add1,half addrspace(1)* undef ret void } define amdgpu_kernel void @add_i32_m2_one_f32_use_multi_f16_use () #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xHFFFE %f16.add1 = fadd half %f16.val1, 0xHFFFE %f32.add = fadd float %f32.val, 0xffffffffc0000000 store volatile half %f16.add0, half addrspace(1)* undef store volatile half %f16.add1, half addrspace(1)* undef store volatile float %f32.add, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_f16_1.0_multi_f32_use() #0 { %f32.val0 = load volatile float, float addrspace(1)* undef %f32.val1 = load volatile float, float addrspace(1)* undef %f32.val = load volatile float, float addrspace(1)* undef %f32.add0 = fadd float %f32.val0, 1.0 %f32.add1 = fadd float %f32.val1, 1.0 store volatile float %f32.add0, float addrspace(1)* undef store volatile float %f32.add1, float addrspace(1)* undef ret void } define amdgpu_kernel void @add_f16_1.0_other_high_bits_multi_f16_use() #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile half, half addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f32.add = fadd half %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile half %f32.add, half addrspace(1)* undef ret void } define amdgpu_kernel void @add_f16_1.0_other_high_bits_use_f16_f32() #0 { %f16.val0 = load volatile half, half addrspace(1)* undef %f16.val1 = load volatile half, half addrspace(1)* undef %f32.val = load volatile half, half addrspace(1)* undef %f16.add0 = fadd half %f16.val0, 0xH3C00 %f32.add = fadd half %f32.val, 1.000000e+00 store volatile half %f16.add0, half addrspace(1)* undef store volatile half %f32.add, half addrspace(1)* undef ret void } attributes #0 = { nounwind } ... --- # f32 1.0 with a single use should be folded as the low 32-bits of a # literal constant. # CHECK-LABEL: name: add_f32_1.0_one_f16_use # CHECK: %13:vgpr_32 = V_ADD_F16_e32 1065353216, killed %11, implicit $mode, implicit $exec name: add_f32_1.0_one_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = V_MOV_B32_e32 1065353216, implicit $exec %13 = V_ADD_F16_e64 0, killed %11, 0, %12, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %13, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) S_ENDPGM 0 ... --- # Materialized f32 inline immediate should not be folded into the f16 # operands # CHECK-LABEL: name: add_f32_1.0_multi_f16_use # CHECK: %14:vgpr_32 = V_ADD_F16_e32 1065353216, killed %11, implicit $mode, implicit $exec # CHECK: %15:vgpr_32 = V_ADD_F16_e32 1065353216, killed %12, implicit $mode, implicit $exec name: add_f32_1.0_multi_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %13 = V_MOV_B32_e32 1065353216, implicit $exec %14 = V_ADD_F16_e64 0, killed %11, 0, %13, 0, 0, implicit $mode, implicit $exec %15 = V_ADD_F16_e64 0, killed %12, 0, killed %13, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %14, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) S_ENDPGM 0 ... --- # f32 1.0 should be folded into the single f32 use as an inline # immediate, and folded into the single f16 use as a literal constant # CHECK-LABEL: name: add_f32_1.0_one_f32_use_one_f16_use # CHECK: %15:vgpr_32 = V_ADD_F16_e32 1065353216, %11, implicit $mode, implicit $exec # CHECK: %16:vgpr_32 = V_ADD_F32_e32 1065353216, killed %13, implicit $mode, implicit $exec name: add_f32_1.0_one_f32_use_one_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } - { id: 16, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %13 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %14 = V_MOV_B32_e32 1065353216, implicit $exec %15 = V_ADD_F16_e64 0, %11, 0, %14, 0, 0, implicit $mode, implicit $exec %16 = V_ADD_F32_e64 0, killed %13, 0, killed %14, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_DWORD_OFFSET killed %16, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) S_ENDPGM 0 ... --- # f32 1.0 should be folded for the single f32 use as an inline # constant, and not folded as a multi-use literal for the f16 cases # CHECK-LABEL: name: add_f32_1.0_one_f32_use_multi_f16_use # CHECK: %15:vgpr_32 = V_ADD_F16_e32 1065353216, %11, implicit $mode, implicit $exec # CHECK: %16:vgpr_32 = V_ADD_F16_e32 1065353216, %12, implicit $mode, implicit $exec # CHECK: %17:vgpr_32 = V_ADD_F32_e32 1065353216, killed %13, implicit $mode, implicit $exec name: add_f32_1.0_one_f32_use_multi_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } - { id: 16, class: vgpr_32 } - { id: 17, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %13 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %14 = V_MOV_B32_e32 1065353216, implicit $exec %15 = V_ADD_F16_e64 0, %11, 0, %14, 0, 0, implicit $mode, implicit $exec %16 = V_ADD_F16_e64 0, %12, 0, %14, 0, 0, implicit $mode, implicit $exec %17 = V_ADD_F32_e64 0, killed %13, 0, killed %14, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %16, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_DWORD_OFFSET killed %17, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) S_ENDPGM 0 ... --- # CHECK-LABEL: name: add_i32_1_multi_f16_use # CHECK: %14:vgpr_32 = V_ADD_F16_e32 1, killed %11, implicit $mode, implicit $exec # CHECK: %15:vgpr_32 = V_ADD_F16_e32 1, killed %12, implicit $mode, implicit $exec name: add_i32_1_multi_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %13 = V_MOV_B32_e32 1, implicit $exec %14 = V_ADD_F16_e64 0, killed %11, 0, %13, 0, 0, implicit $mode, implicit $exec %15 = V_ADD_F16_e64 0, killed %12, 0, killed %13, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %14, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) S_ENDPGM 0 ... --- # CHECK-LABEL: name: add_i32_m2_one_f32_use_multi_f16_use # CHECK: %15:vgpr_32 = V_ADD_F16_e32 -2, %11, implicit $mode, implicit $exec # CHECK: %16:vgpr_32 = V_ADD_F16_e32 -2, %12, implicit $mode, implicit $exec # CHECK: %17:vgpr_32 = V_ADD_F32_e32 -2, killed %13, implicit $mode, implicit $exec name: add_i32_m2_one_f32_use_multi_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } - { id: 16, class: vgpr_32 } - { id: 17, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %13 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %14 = V_MOV_B32_e32 -2, implicit $exec %15 = V_ADD_F16_e64 0, %11, 0, %14, 0, 0, implicit $mode, implicit $exec %16 = V_ADD_F16_e64 0, %12, 0, %14, 0, 0, implicit $mode, implicit $exec %17 = V_ADD_F32_e64 0, killed %13, 0, killed %14, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %16, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_DWORD_OFFSET killed %17, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) S_ENDPGM 0 ... --- # f32 1.0 should be folded for the single f32 use as an inline # constant, and not folded as a multi-use literal for the f16 cases # CHECK-LABEL: name: add_f16_1.0_multi_f32_use # CHECK: %14:vgpr_32 = V_ADD_F32_e32 15360, %11, implicit $mode, implicit $exec # CHECK: %15:vgpr_32 = V_ADD_F32_e32 15360, %12, implicit $mode, implicit $exec name: add_f16_1.0_multi_f32_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %12 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %13 = V_MOV_B32_e32 15360, implicit $exec %14 = V_ADD_F32_e64 0, %11, 0, %13, 0, 0, implicit $mode, implicit $exec %15 = V_ADD_F32_e64 0, %12, 0, %13, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_DWORD_OFFSET killed %14, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) BUFFER_STORE_DWORD_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) S_ENDPGM 0 ... --- # The low 16-bits are an inline immediate, but the high bits are junk # CHECK-LABEL: name: add_f16_1.0_other_high_bits_multi_f16_use # CHECK: %14:vgpr_32 = V_ADD_F16_e32 80886784, %11, implicit $mode, implicit $exec # CHECK: %15:vgpr_32 = V_ADD_F16_e32 80886784, %12, implicit $mode, implicit $exec name: add_f16_1.0_other_high_bits_multi_f16_use alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %12 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %13 = V_MOV_B32_e32 80886784, implicit $exec %14 = V_ADD_F16_e64 0, %11, 0, %13, 0, 0, implicit $mode, implicit $exec %15 = V_ADD_F16_e64 0, %12, 0, %13, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_SHORT_OFFSET killed %14, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) S_ENDPGM 0 ... --- # CHECK-LABEL: name: add_f16_1.0_other_high_bits_use_f16_f32 # CHECK: %14:vgpr_32 = V_ADD_F32_e32 305413120, %11, implicit $mode, implicit $exec # CHECK: %15:vgpr_32 = V_ADD_F16_e32 305413120, %12, implicit $mode, implicit $exec name: add_f16_1.0_other_high_bits_use_f16_f32 alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: sreg_64 } - { id: 1, class: sreg_32 } - { id: 2, class: sgpr_32 } - { id: 3, class: vgpr_32 } - { id: 4, class: sreg_64 } - { id: 5, class: sreg_32 } - { id: 6, class: sreg_64 } - { id: 7, class: sreg_32 } - { id: 8, class: sreg_32 } - { id: 9, class: sreg_32 } - { id: 10, class: sgpr_128 } - { id: 11, class: vgpr_32 } - { id: 12, class: vgpr_32 } - { id: 13, class: vgpr_32 } - { id: 14, class: vgpr_32 } - { id: 15, class: vgpr_32 } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.0): %4 = IMPLICIT_DEF %5 = COPY %4.sub1 %6 = IMPLICIT_DEF %7 = COPY %6.sub0 %8 = S_MOV_B32 61440 %9 = S_MOV_B32 -1 %10 = REG_SEQUENCE killed %7, 1, killed %5, 2, killed %9, 3, killed %8, 4 %11 = BUFFER_LOAD_DWORD_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) %12 = BUFFER_LOAD_USHORT_OFFSET %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s16) from `half addrspace(1)* undef`) %13 = V_MOV_B32_e32 305413120, implicit $exec %14 = V_ADD_F32_e64 0, %11, 0, %13, 0, 0, implicit $mode, implicit $exec %15 = V_ADD_F16_e64 0, %12, 0, %13, 0, 0, implicit $mode, implicit $exec BUFFER_STORE_DWORD_OFFSET killed %14, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s32) into `float addrspace(1)* undef`) BUFFER_STORE_SHORT_OFFSET killed %15, %10, 0, 0, 0, 0, 0, implicit $exec :: (volatile store (s16) into `half addrspace(1)* undef`) S_ENDPGM 0 ...