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make GVN try to rename inputs to the resultant replaced values, which

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cleans up the generated code a bit.  This should have the added benefit of
not randomly renaming functions/globals like my previous patch did. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61023 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-12-15 03:46:38 +00:00
parent 9e59c64c14
commit f33131685b
9 changed files with 18 additions and 14 deletions
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6
lib/Transforms/Scalar/GVN.cpp
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@ -1040,6 +1040,9 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
// Perform PHI construction.
Value* v = GetValueForBlock(LI->getParent(), LI, BlockReplValues, true);
LI->replaceAllUsesWith(v);
if (!isa<GlobalValue>(v))
v->takeName(LI);
if (isa<PointerType>(v->getType()))
MD->invalidateCachedPointerInfo(v);
toErase.push_back(LI);
@ -1135,7 +1138,8 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
// Perform PHI construction.
Value* v = GetValueForBlock(LI->getParent(), LI, BlockReplValues, true);
LI->replaceAllUsesWith(v);
v->takeName(LI);
if (!isa<GlobalValue>(v))
v->takeName(LI);
if (isa<PointerType>(v->getType()))
MD->invalidateCachedPointerInfo(v);
toErase.push_back(LI);