llvm/test/Transforms/InstCombine/2008-07-10-CastSextBool.ll

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; RUN: opt < %s -instcombine -S | grep "%C = xor i1 %A, true"
; RUN: opt < %s -instcombine -S | grep "ret i1 false"
; PR2539
define i1 @test1(i1 %A) {
%B = zext i1 %A to i32
%C = icmp slt i32 %B, 1
ret i1 %C
}
define i1 @test2(i1 zeroext %b) {
entry:
%cmptmp = icmp slt i1 %b, true ; <i1> [#uses=1]
ret i1 %cmptmp
}