25 lines
786 B
YAML
25 lines
786 B
YAML
# RUN: llc -o - %s -mtriple=amdgcn--amdhsa -verify-machineinstrs -run-pass=greedy,virtregrewriter | FileCheck %s
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---
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# We should not detect any interference between v0/v1 here and only allocate
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# sgpr0-sgpr3.
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#
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# CHECK-LABEL: func0
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# CHECK: S_NOP 0, implicit-def %sgpr0
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# CHECK: S_NOP 0, implicit-def %sgpr3
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# CHECK: S_NOP 0, implicit-def %sgpr1
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# CHECK: S_NOP 0, implicit-def %sgpr2
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# CHECK: S_NOP 0, implicit %sgpr0, implicit %sgpr3
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# CHECK: S_NOP 0, implicit %sgpr1, implicit %sgpr2
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name: func0
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body: |
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bb.0:
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S_NOP 0, implicit-def undef %0.sub0 : sreg_128
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S_NOP 0, implicit-def %0.sub3
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S_NOP 0, implicit-def undef %1.sub1 : sreg_128
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S_NOP 0, implicit-def %1.sub2
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S_NOP 0, implicit %0.sub0, implicit %0.sub3
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S_NOP 0, implicit %1.sub1, implicit %1.sub2
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...
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