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Ignore the debug info intrinsics when adding instructions into alias sets.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zhou Sheng
2009-03-03 06:02:04 +00:00
parent bb2b521f81
commit 7e4286eb7c
2 changed files with 86 additions and 0 deletions
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3
lib/Analysis/AliasSetTracker.cpp
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@@ -14,6 +14,7 @@
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Pass.h"
#include "llvm/Type.h"
#include "llvm/Target/TargetData.h"
@@ -296,6 +297,8 @@ bool AliasSetTracker::add(VAArgInst *VAAI) {
bool AliasSetTracker::add(CallSite CS) {
if (isa<DbgInfoIntrinsic>(CS.getInstruction()))
return true; // Ignore DbgInfo Intrinsics.
if (AA.doesNotAccessMemory(CS))
return true; // doesn't alias anything