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remove unneeded checks of isFreeCall 

llvm-svn: 85866
This commit is contained in:
Chris Lattner 2009-11-03 05:35:19 +00:00
parent e9dccd4934
commit 03d1bca60a
1 changed files with 0 additions and 16 deletions
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16
llvm/lib/Analysis/AliasSetTracker.cpp
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@ -13,7 +13,6 @@
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Pass.h"
@ -305,13 +304,6 @@ bool AliasSetTracker::add(VAArgInst *VAAI) {
bool AliasSetTracker::add(CallSite CS) {
Instruction* Inst = CS.getInstruction();
if (isFreeCall(Inst)) {
bool NewPtr;
addPointer(Inst->getOperand(1), ~0, AliasSet::Mods, NewPtr);
return NewPtr;
}
if (isa<DbgInfoIntrinsic>(CS.getInstruction()))
return true; // Ignore DbgInfo Intrinsics.
if (AA.doesNotAccessMemory(CS))
@ -435,14 +427,6 @@ bool AliasSetTracker::remove(VAArgInst *VAAI) {
}
bool AliasSetTracker::remove(CallSite CS) {
Instruction* Inst = CS.getInstruction();
if (isFreeCall(Inst)) {
AliasSet *AS = findAliasSetForPointer(Inst->getOperand(1), ~0);
if (!AS) return false;
remove(*AS);
return true;
}
if (AA.doesNotAccessMemory(CS))
return false; // doesn't alias anything