c2592c374e
We do not have general reassociation here (and probably do not need it), but I noticed these were missing in patches/tests motivated by D111530, so we can at least handle the simplest patterns. The VE test diff looks correct, but we miss that pattern in IR currently: https://alive2.llvm.org/ce/z/u66_PM
23 lines
643 B
LLVM
23 lines
643 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
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define void @PR36250() nounwind {
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; X86-LABEL: PR36250:
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; X86: # %bb.0:
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; X86-NEXT: cmpl $0, (%eax)
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; X86-NEXT: sete (%eax)
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; X86-NEXT: retl
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;
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; X64-LABEL: PR36250:
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; X64: # %bb.0:
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; X64-NEXT: cmpq $0, (%rax)
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; X64-NEXT: sete (%rax)
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; X64-NEXT: retq
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%1 = load i448, i448* undef
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%2 = sub i448 0, %1
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%3 = icmp eq i448 %1, %2
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store i1 %3, i1* undef
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ret void
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}
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