llvm/test/Transforms/InstCombine/2004-03-13-InstCombineInfLoop.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

14 lines
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
}