llvm-project/llvm/test/Transforms/InstCombine/urem-simplify-bug.ll

37 lines
932 B
LLVM

; RUN: opt < %s -instcombine -S | FileCheck %s
@.str = internal constant [5 x i8] c"foo\0A\00"
@.str1 = internal constant [5 x i8] c"bar\0A\00"
define i32 @main() nounwind {
entry:
%x = call i32 @func_11() nounwind
%tmp3 = or i32 %x, -5
%tmp5 = urem i32 251, %tmp3
%tmp6 = icmp ne i32 %tmp5, 0
%tmp67 = zext i1 %tmp6 to i32
%tmp9 = urem i32 %tmp67, 95
%tmp10 = and i32 %tmp9, 1
%tmp12 = icmp eq i32 %tmp10, 0
br i1 %tmp12, label %bb14, label %bb
bb:
br label %bb15
bb14:
br label %bb15
bb15:
%iftmp.0.0 = phi i8* [ getelementptr ([5 x i8], [5 x i8]* @.str1, i32 0, i32 0), %bb14 ], [ getelementptr ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), %bb ]
%tmp17 = call i32 (i8*, ...) @printf(i8* %iftmp.0.0) nounwind
ret i32 0
}
; CHECK-LABEL: define i32 @main(
; CHECK: call i32 @func_11()
; CHECK-NEXT: br i1 false, label %bb14, label %bb
declare i32 @func_11()
declare i32 @printf(i8*, ...) nounwind