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8f6490d6da
This doesn't seem to be needed for anything. Differential Revision: https://reviews.llvm.org/D92400
46 lines
1.2 KiB
YAML
46 lines
1.2 KiB
YAML
# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass branch-folder -o - %s | FileCheck %s
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# Designed to provoke calling SIInstrInfo::insertBranch in wave32 mode
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# The implicit $vcc operand should be $vcc_lo in this case
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...
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# CHECK-LABEL: bb.1:
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# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo
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name: _amdgpu_cs_main
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body: |
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bb.0:
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$vgpr1 = V_MOV_B32_e32 1050, implicit $exec
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$sgpr0 = S_MOV_B32 1123418112
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bb.1:
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$vgpr0 = COPY killed $vgpr1, implicit $exec
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V_CMP_GT_U32_e32 5, $vgpr1, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
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$vcc_lo = S_AND_B32 $exec_lo, $vcc_lo, implicit-def dead $scc
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S_CBRANCH_VCCNZ %bb.1, implicit $vcc_lo, implicit $vcc
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S_BRANCH %bb.2
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bb.2:
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$sgpr1 = COPY $sgpr0
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S_BRANCH %bb.1
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...
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# CHECK-LABEL: bb.1:
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# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo
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---
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name: _amdgpu_cs_main_undef
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body: |
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bb.0:
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$vgpr1 = V_MOV_B32_e32 1050, implicit $exec
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$sgpr0 = S_MOV_B32 1123418112
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bb.1:
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$vgpr0 = COPY killed $vgpr1, implicit $exec
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S_CBRANCH_VCCNZ %bb.1, implicit undef $vcc_lo, implicit undef $vcc
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S_BRANCH %bb.2
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bb.2:
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$sgpr1 = COPY $sgpr0
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S_BRANCH %bb.1
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...
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