YouCompleteMe/cpp/llvm/test/Transforms/InstCombine/2010-01-28-NegativeSRem.ll

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2012-07-05 20:51:06 -04:00
; RUN: opt < %s -instcombine -S | FileCheck %s
; PR6165
define i32 @f() {
entry:
br label %BB1
BB1: ; preds = %BB1, %entry
; CHECK: BB1:
%x = phi i32 [ -29, %entry ], [ 0, %BB1 ] ; <i32> [#uses=2]
%rem = srem i32 %x, 2 ; <i32> [#uses=1]
%t = icmp eq i32 %rem, -1 ; <i1> [#uses=1]
br i1 %t, label %BB2, label %BB1
; CHECK-NOT: br i1 false
BB2: ; preds = %BB1
; CHECK: BB2:
ret i32 %x
}