27 lines
1.3 KiB
YAML
27 lines
1.3 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass si-fold-operands %s -o - | FileCheck %s
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# Check that the addc instructions are commuted to allow folding of the constant
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# 0 into multiple uses as an inline operand.
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---
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name: test_commute
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0, $vgpr1, $vcc
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; CHECK-LABEL: name: test_commute
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; CHECK: liveins: $vgpr0, $vgpr1, $vcc
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
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; CHECK-NEXT: [[V_ADDC_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADDC_U32_e32 0, [[COPY]], implicit-def $vcc, implicit $vcc, implicit $exec
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; CHECK-NEXT: [[V_ADDC_U32_e32_1:%[0-9]+]]:vgpr_32 = V_ADDC_U32_e32 0, [[COPY1]], implicit-def $vcc, implicit $vcc, implicit $exec
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; CHECK-NEXT: S_NOP 0, implicit [[V_ADDC_U32_e32_]], implicit [[V_ADDC_U32_e32_1]]
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%0:vgpr_32 = COPY $vgpr0
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%1:vgpr_32 = COPY $vgpr1
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%2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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%3:vgpr_32 = V_ADDC_U32_e32 %0, %2, implicit-def $vcc, implicit $vcc, implicit $exec
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%4:vgpr_32 = V_ADDC_U32_e32 %1, %2, implicit-def $vcc, implicit $vcc, implicit $exec
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S_NOP 0, implicit %3, implicit %4
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...
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