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Erase deleted instructions from GVN's ValueTable. This fixes assertion

Browse Source 
failures from ValueTable::verifyRemoved() when using -debug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96805 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-02-22 21:39:41 +00:00
parent fc90d4c0f4
commit 74175c2ca1
1 changed files with 7 additions and 0 deletions
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7
lib/Transforms/Scalar/GVN.cpp
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@ -1497,6 +1497,7 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
V->takeName(LI);
if (V->getType()->isPointerTy())
MD->invalidateCachedPointerInfo(V);
VN.erase(LI);
toErase.push_back(LI);
NumGVNLoad++;
return true;
@ -1716,6 +1717,7 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
V->takeName(LI);
if (V->getType()->isPointerTy())
MD->invalidateCachedPointerInfo(V);
VN.erase(LI);
toErase.push_back(LI);
NumPRELoad++;
return true;
@ -1776,6 +1778,7 @@ bool GVN::processLoad(LoadInst *L, SmallVectorImpl<Instruction*> &toErase) {
L->replaceAllUsesWith(AvailVal);
if (AvailVal->getType()->isPointerTy())
MD->invalidateCachedPointerInfo(AvailVal);
VN.erase(L);
toErase.push_back(L);
NumGVNLoad++;
return true;
@ -1821,6 +1824,7 @@ bool GVN::processLoad(LoadInst *L, SmallVectorImpl<Instruction*> &toErase) {
L->replaceAllUsesWith(StoredVal);
if (StoredVal->getType()->isPointerTy())
MD->invalidateCachedPointerInfo(StoredVal);
VN.erase(L);
toErase.push_back(L);
NumGVNLoad++;
return true;
@ -1850,6 +1854,7 @@ bool GVN::processLoad(LoadInst *L, SmallVectorImpl<Instruction*> &toErase) {
L->replaceAllUsesWith(AvailableVal);
if (DepLI->getType()->isPointerTy())
MD->invalidateCachedPointerInfo(DepLI);
VN.erase(L);
toErase.push_back(L);
NumGVNLoad++;
return true;
@ -1860,6 +1865,7 @@ bool GVN::processLoad(LoadInst *L, SmallVectorImpl<Instruction*> &toErase) {
// intervening stores, for example.
if (isa<AllocaInst>(DepInst) || isMalloc(DepInst)) {
L->replaceAllUsesWith(UndefValue::get(L->getType()));
VN.erase(L);
toErase.push_back(L);
NumGVNLoad++;
return true;
@ -1870,6 +1876,7 @@ bool GVN::processLoad(LoadInst *L, SmallVectorImpl<Instruction*> &toErase) {
if (IntrinsicInst* II = dyn_cast<IntrinsicInst>(DepInst)) {
if (II->getIntrinsicID() == Intrinsic::lifetime_start) {
L->replaceAllUsesWith(UndefValue::get(L->getType()));
VN.erase(L);
toErase.push_back(L);
NumGVNLoad++;
return true;