Fix an issue with the IR sink pass found by inspection. (I'm not sure anyone is actually using this, but might as well fix it since I found the issue.)
llvm-svn: 138965
diff --git a/llvm/test/Transforms/Sink/basic.ll b/llvm/test/Transforms/Sink/basic.ll
index 54b7f13..81782e9 100644
--- a/llvm/test/Transforms/Sink/basic.ll
+++ b/llvm/test/Transforms/Sink/basic.ll
@@ -20,3 +20,19 @@
false:
ret i32 0
}
+
+; But don't sink volatile loads...
+
+; CHECK: @foo2
+; CHECK: volatile load
+; CHECK-NEXT: store i32
+
+define i32 @foo2(i1 %z) {
+ %l = volatile load i32* @A
+ store i32 0, i32* @B
+ br i1 %z, label %true, label %false
+true:
+ ret i32 %l
+false:
+ ret i32 0
+}