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fde93e0fb6
In LowerFP_TO_INTForReuse, when emitting `stfiwx`, alignment of 4 is set for the `MachineMemOperand`, but RLI(ReuseLoadInfo)'s alignment is not updated for following loads. It's related to failed alignment check reported in https://bugs.llvm.org/show_bug.cgi?id=45297 Differential Revision: https://reviews.llvm.org/D77624
45 lines
2.0 KiB
LLVM
45 lines
2.0 KiB
LLVM
; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
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; RUN: -mtriple=powerpc64le-unknown-unknown -mattr=-vsx < %s | FileCheck %s
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; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
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; RUN: -mtriple=powerpc-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
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; RUN: FileCheck --check-prefix=CHECK-P6 %s
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; RUN: llc -simplify-mir -verify-machineinstrs -stop-after=finalize-isel \
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; RUN: -mtriple=powerpc64-unknown-unknown -mcpu=pwr6 -mattr=-vsx < %s | \
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; RUN: FileCheck --check-prefix=CHECK-P6-64 %s
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define float @test(float %a) {
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; CHECK: stack:
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; CHECK-NEXT: - { id: 0, size: 4, alignment: 4 }
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; CHECK: %2:f8rc = FCTIWZ killed %1, implicit $rm
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; CHECK: STFIWX killed %2, $zero8, %3
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; CHECK-NEXT: %4:f8rc = LFIWAX $zero8, %3 :: (load 4 from %stack.0)
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; CHECK-NEXT: %5:f4rc = FCFIDS killed %4, implicit $rm
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; CHECK-NEXT: $f1 = COPY %5
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; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
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; CHECK-P6: stack:
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; CHECK-P6-NEXT: - { id: 0, size: 4, alignment: 4 }
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; CHECK-P6: %2:f8rc = FCTIWZ killed %1, implicit $rm
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; CHECK-P6: STFIWX killed %2, $zero, %3
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; CHECK-P6-NEXT: %4:f8rc = LFIWAX $zero, %3 :: (load 4 from %stack.0)
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; CHECK-P6-NEXT: %5:f8rc = FCFID killed %4, implicit $rm
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; CHECK-P6-NEXT: %6:f4rc = FRSP killed %5, implicit $rm
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; CHECK-P6-NEXT: $f1 = COPY %6
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; CHECK-P6-NEXT: BLR implicit $lr, implicit $rm, implicit $f1
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; CHECK-P6-64: stack:
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; CHECK-P6-64-NEXT: - { id: 0, size: 4, alignment: 4 }
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; CHECK-P6-64: %2:f8rc = FCTIWZ killed %1, implicit $rm
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; CHECK-P6-64: STFIWX killed %2, $zero8, %3
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; CHECK-P6-64-NEXT: %4:f8rc = LFIWAX $zero8, %3 :: (load 4 from %stack.0)
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; CHECK-P6-64-NEXT: %5:f8rc = FCFID killed %4, implicit $rm
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; CHECK-P6-64-NEXT: %6:f4rc = FRSP killed %5, implicit $rm
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; CHECK-P6-64-NEXT: $f1 = COPY %6
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; CHECK-P6-64-NEXT: BLR8 implicit $lr8, implicit $rm, implicit $f1
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entry:
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%b = fptosi float %a to i32
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%c = sitofp i32 %b to float
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ret float %c
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}
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