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85b5eb0505
was using the algorithm for folding unsigned comparisons which is completely wrong. This has been broken since the signless types change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53444 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
363 B
LLVM
18 lines
363 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {%C = xor i1 %A, true}
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ret i1 false}
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; PR2539
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define i1 @test1(i1 %A) {
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%B = zext i1 %A to i32
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%C = icmp slt i32 %B, 1
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ret i1 %C
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}
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define i1 @test2(i1 zeroext %b) {
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entry:
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%cmptmp = icmp slt i1 %b, true ; <i1> [#uses=1]
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ret i1 %cmptmp
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}
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