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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-26 20:15:28 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-26 20:15:28 +0000 |
| commit | 46cb5afdcd031c371c78201fb34291d9d48b2ee4 (patch) | |
| tree | a45b5d099ba1902183cdf6bca2282b0f5435a082 /test/Analysis/BasicAA | |
| parent | 22d54da918ed0d63b29d4030fc6dcf4afb53ada6 (diff) | |
Enhance alias analysis for atomic instructions a bit. Upgrade a couple alias-analysis tests to the new atomic instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140557 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/BasicAA')
| -rw-r--r-- | test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll | 4 | ||||
| -rw-r--r-- | test/Analysis/BasicAA/cas.ll | 4 |
2 files changed, 2 insertions, 6 deletions
diff --git a/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll b/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll index 5078dd53a7..4b6a12e821 100644 --- a/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll +++ b/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/test/Analysis/BasicAA/cas.ll b/test/Analysis/BasicAA/cas.ll index 8dd3695d6d..754309cd81 100644 --- a/test/Analysis/BasicAA/cas.ll +++ b/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 |