[llvm-commits] [llvm] r83985 - /llvm/trunk/test/Analysis/BasicAA/cas.ll
Chris Lattner
sabre at nondot.org
Tue Oct 13 10:39:30 PDT 2009
Author: lattner
Date: Tue Oct 13 12:39:29 2009
New Revision: 83985
URL: http://llvm.org/viewvc/llvm-project?rev=83985&view=rev
Log:
don't use dead loads as tests.
Modified:
llvm/trunk/test/Analysis/BasicAA/cas.ll
Modified: llvm/trunk/test/Analysis/BasicAA/cas.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/BasicAA/cas.ll?rev=83985&r1=83984&r2=83985&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/BasicAA/cas.ll (original)
+++ llvm/trunk/test/Analysis/BasicAA/cas.ll Tue Oct 13 12:39:29 2009
@@ -1,4 +1,4 @@
-; RUN: opt < %s -basicaa -gvn -S | grep load | count 1
+; RUN: opt < %s -basicaa -gvn -instcombine -S | grep {ret i32 0}
@flag0 = internal global i32 zeroinitializer
@turn = internal global i32 zeroinitializer
@@ -6,9 +6,10 @@
define i32 @main() {
%a = load i32* @flag0
- %b = tail call i32 @llvm.atomic.swap.i32.p0i32(i32* @turn, i32 1)
+ %b = tail call i32 @llvm.atomic.swap.i32.p0i32(i32* @turn, i32 1)
%c = load i32* @flag0
- ret i32 %c
+ %d = sub i32 %a, %c
+ ret i32 %d
}
declare i32 @llvm.atomic.swap.i32.p0i32(i32*, i32) nounwind
\ No newline at end of file
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