1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/urem-simplify-bug.ll b/llvm/test/Transforms/InstCombine/urem-simplify-bug.ll
new file mode 100644
index 00000000000..4f18f359854
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/urem-simplify-bug.ll
@@ -0,0 +1,36 @@
+; 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