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| author | Bob Wilson <bob.wilson@apple.com> | 2010-02-22 21:39:41 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-02-22 21:39:41 +0000 |
| commit | 0bb1293409ea1f785417d972a2d4e3efbdeae475 (patch) | |
| tree | 84d464590d8afecfe5e9d6294f6bb3ee6b1d617f /lib/Transforms | |
| parent | 1ab3efb7fe3067ab759c17ce482b5fd30ca70815 (diff) | |
| download | external_llvm-0bb1293409ea1f785417d972a2d4e3efbdeae475.zip external_llvm-0bb1293409ea1f785417d972a2d4e3efbdeae475.tar.gz external_llvm-0bb1293409ea1f785417d972a2d4e3efbdeae475.tar.bz2 | |
Erase deleted instructions from GVN's ValueTable. This fixes assertion
failures from ValueTable::verifyRemoved() when using -debug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96805 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
| -rw-r--r-- | lib/Transforms/Scalar/GVN.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp index 0f01bc1..f015def 100644 --- a/lib/Transforms/Scalar/GVN.cpp +++ b/lib/Transforms/Scalar/GVN.cpp @@ -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; |