Enhance alias analysis for atomic instructions a bit. Upgrade a couple alias-analysis tests to the new atomic instructions.
llvm-svn: 140557
diff --git a/llvm/test/Analysis/BasicAA/cas.ll b/llvm/test/Analysis/BasicAA/cas.ll
index 8dd3695..754309c 100644
--- a/llvm/test/Analysis/BasicAA/cas.ll
+++ b/llvm/test/Analysis/BasicAA/cas.ll
@@ -6,10 +6,8 @@
define i32 @main() {
%a = load i32* @flag0
- %b = tail call i32 @llvm.atomic.swap.i32.p0i32(i32* @turn, i32 1)
+ %b = atomicrmw xchg i32* @turn, i32 1 monotonic
%c = load i32* @flag0
%d = sub i32 %a, %c
ret i32 %d
}
-
-declare i32 @llvm.atomic.swap.i32.p0i32(i32*, i32) nounwind