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1; This testcase caused the combiner to go into an infinite loop, moving the 2; cast back and forth, changing the seteq to operate on int vs uint and back.3 4; RUN: opt < %s -passes=instcombine -disable-output5 6define i1 @test(i32 %A, i32 %B) {7 %C = sub i32 0, %A ; <i32> [#uses=1]8 %Cc = bitcast i32 %C to i32 ; <i32> [#uses=1]9 %D = sub i32 0, %B ; <i32> [#uses=1]10 %E = icmp eq i32 %Cc, %D ; <i1> [#uses=1]11 ret i1 %E12}13 14