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/2009-10-13-AtomicModRef.ll b/llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll
index 5078dd5..4b6a12e 100644
--- a/llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll
+++ b/llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll
@@ -1,14 +1,12 @@
; RUN: opt -basicaa -gvn -instcombine -S < %s | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
-declare i8 @llvm.atomic.load.add.i8.p0i8(i8*, i8)
-
define i8 @foo(i8* %ptr) {
%P = getelementptr i8* %ptr, i32 0
%Q = getelementptr i8* %ptr, i32 1
; CHECK: getelementptr
%X = load i8* %P
- %Y = call i8 @llvm.atomic.load.add.i8.p0i8(i8* %Q, i8 1)
+ %Y = atomicrmw add i8* %Q, i8 1 monotonic
%Z = load i8* %P
; CHECK-NOT: = load
%A = sub i8 %X, %Z
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