derek.holloway
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74 lines
2.6 KiB
YAML
74 lines
2.6 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -o - %s -mtriple=x86_64-- -run-pass peephole-opt -mattr=+ndd | FileCheck %s
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---
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name: opt_redundant_flags_0
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body: |
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bb.0:
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; CHECK-LABEL: name: opt_redundant_flags_0
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; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $esi
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edi
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; CHECK-NEXT: [[SUB32rr_ND:%[0-9]+]]:gr32 = SUB32rr_ND [[COPY]], [[COPY1]], implicit-def $eflags
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; CHECK-NEXT: $eax = COPY [[SUB32rr_ND]]
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; CHECK-NEXT: $bl = SETCCr 2, implicit $eflags
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%0:gr32 = COPY $esi
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%1:gr32 = COPY $edi
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%2:gr32 = SUB32rr_ND %0, %1, implicit-def dead $eflags
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$eax = COPY %2
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; CMP should be removed.
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CMP32rr %0, %1, implicit-def $eflags
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$bl = SETCCr 2, implicit $eflags
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...
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---
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name: opt_redundant_flags_1
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body: |
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bb.0:
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; CHECK-LABEL: name: opt_redundant_flags_1
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; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $esi
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edi
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; CHECK-NEXT: [[SUB32rr_ND:%[0-9]+]]:gr32 = SUB32rr_ND [[COPY]], [[COPY1]], implicit-def $eflags
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; CHECK-NEXT: $eax = COPY [[SUB32rr_ND]]
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; CHECK-NEXT: $bl = SETCCr 6, implicit $eflags
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%0:gr32 = COPY $esi
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%1:gr32 = COPY $edi
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%2:gr32 = SUB32rr_ND %0, %1, implicit-def dead $eflags
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$eax = COPY %2
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; CMP should be removed.
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CMP32rr %1, %0, implicit-def $eflags
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$bl = SETCCr 3, implicit $eflags
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...
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---
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name: opt_redundant_flags_2
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body: |
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bb.0:
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; CHECK-LABEL: name: opt_redundant_flags_2
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; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $esi
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gr32 = COPY $edi
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; CHECK-NEXT: [[SUB32rr_ND:%[0-9]+]]:gr32 = SUB32rr_ND [[COPY]], [[COPY1]], implicit-def $eflags
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; CHECK-NEXT: $cl = SETCCr 2, implicit $eflags
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; CHECK-NEXT: $eax = COPY [[SUB32rr_ND]]
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; CHECK-NEXT: $bl = SETCCr 2, implicit $eflags
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%0:gr32 = COPY $esi
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%1:gr32 = COPY $edi
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%2:gr32 = SUB32rr_ND %0, %1, implicit-def $eflags
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; an extra eflags reader shouldn't stop optimization.
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$cl = SETCCr 2, implicit $eflags
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$eax = COPY %2
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CMP32rr %0, %1, implicit-def $eflags
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$bl = SETCCr 2, implicit $eflags
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...
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---
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name: opt_zerocmp_user_0
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body: |
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bb.0:
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; CHECK-LABEL: name: opt_zerocmp_user_0
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; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $esi
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; CHECK-NEXT: [[NEG32r_ND:%[0-9]+]]:gr32 = NEG32r_ND [[COPY]], implicit-def $eflags
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; CHECK-NEXT: $al = SETCCr 3, implicit $eflags
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%0:gr32 = COPY $esi
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%1:gr32 = NEG32r_ND %0, implicit-def dead $eflags
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; TEST should be removed.
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TEST32rr %0, %0, implicit-def $eflags
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$al = SETCCr 4, implicit $eflags
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...
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