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author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-26 20:15:28 +0000 |
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committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-26 20:15:28 +0000 |
commit | 5c91891cf30f937c3ad6615224f43b49e4524b59 (patch) | |
tree | ee165e1044b6a03438f00e37e041dda7d1ec35ca /llvm/test/Analysis/BasicAA | |
parent | da2919dbd8d2f3914e6b134bc15f08a9c6d52045 (diff) | |
download | bcm5719-llvm-5c91891cf30f937c3ad6615224f43b49e4524b59.tar.gz bcm5719-llvm-5c91891cf30f937c3ad6615224f43b49e4524b59.zip |
Enhance alias analysis for atomic instructions a bit. Upgrade a couple alias-analysis tests to the new atomic instructions.
llvm-svn: 140557
Diffstat (limited to 'llvm/test/Analysis/BasicAA')
-rw-r--r-- | llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll | 4 | ||||
-rw-r--r-- | llvm/test/Analysis/BasicAA/cas.ll | 4 |
2 files changed, 2 insertions, 6 deletions
diff --git a/llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll b/llvm/test/Analysis/BasicAA/2009-10-13-AtomicModRef.ll index 5078dd53a79..4b6a12e821e 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 8dd3695d6d5..754309cd81b 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 |