linux-packaging-mono/external/llvm/test/Transforms/InstCombine/2004-03-13-InstCombineInfLoop.ll
Xamarin Public Jenkins (auto-signing) 64ac736ec5 Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
2019-04-12 14:10:50 +00:00

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504 B
LLVM

; This testcase caused the combiner to go into an infinite loop, moving the
; cast back and forth, changing the seteq to operate on int vs uint and back.
; RUN: opt < %s -instcombine -disable-output
define i1 @test(i32 %A, i32 %B) {
%C = sub i32 0, %A ; <i32> [#uses=1]
%Cc = bitcast i32 %C to i32 ; <i32> [#uses=1]
%D = sub i32 0, %B ; <i32> [#uses=1]
%E = icmp eq i32 %Cc, %D ; <i1> [#uses=1]
ret i1 %E
}