derek.holloway
7502bf64a4
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45 lines
2.2 KiB
YAML
45 lines
2.2 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=si-fold-operands -verify-machineinstrs -o - %s | FileCheck %s
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# Check that we don't hang on this.
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---
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name: fold_reg_sequence
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body: |
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bb.0:
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liveins: $vgpr0_vgpr1, $vgpr2
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; CHECK-LABEL: name: fold_reg_sequence
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; CHECK: liveins: $vgpr0_vgpr1, $vgpr2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
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; CHECK-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 429
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; CHECK-NEXT: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE killed [[S_MOV_B32_1]], %subreg.sub0, [[S_MOV_B32_]], %subreg.sub1
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; CHECK-NEXT: [[V_MUL_HI_U32_e64_:%[0-9]+]]:vgpr_32 = V_MUL_HI_U32_e64 $vgpr2, [[REG_SEQUENCE]].sub0, implicit $exec
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; CHECK-NEXT: [[GLOBAL_LOAD_DWORD:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec :: (load (s32), addrspace 1)
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; CHECK-NEXT: [[V_MUL_HI_U32_e64_1:%[0-9]+]]:vgpr_32 = V_MUL_HI_U32_e64 [[GLOBAL_LOAD_DWORD]], [[REG_SEQUENCE]].sub0, implicit $exec
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; CHECK-NEXT: S_ENDPGM 0
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%0:sreg_32 = S_MOV_B32 0
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%1:sreg_32 = S_MOV_B32 429
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%2:sreg_64 = REG_SEQUENCE killed %1, %subreg.sub0, %0, %subreg.sub1
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%3:vgpr_32 = V_MUL_HI_U32_e64 $vgpr2, %2.sub0, implicit $exec
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%4:vgpr_32 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec :: (load (s32), addrspace 1)
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%5:vgpr_32 = V_MUL_HI_U32_e64 %4, %2.sub0, implicit $exec
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S_ENDPGM 0
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...
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# Fold through a COPY of REG_SEQUENCE.
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---
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name: fold_through_copy
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body: |
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bb.0:
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; CHECK-LABEL: name: fold_through_copy
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; CHECK: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
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; CHECK-NEXT: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
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; CHECK-NEXT: [[V_PK_ADD_F32_:%[0-9]+]]:vreg_64_align2 = nofpexcept V_PK_ADD_F32 8, [[DEF]], 8, 0, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
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%0:sreg_32 = S_MOV_B32 0
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%1:sreg_64 = REG_SEQUENCE %0:sreg_32, %subreg.sub0, %0:sreg_32, %subreg.sub1
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%2:sreg_64_xexec = IMPLICIT_DEF
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%3:vreg_64_align2 = COPY %1:sreg_64
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%4:vreg_64_align2 = nofpexcept V_PK_ADD_F32 8, %2:sreg_64_xexec, 8, %3:vreg_64_align2, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
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...
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