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bug 122:

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- Minimize redundant isa<GlobalValue> usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14948 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2004-07-18 00:32:14 +00:00
parent 21cb67e16a
commit 460f16c625
4 changed files with 6 additions and 13 deletions
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6
lib/Transforms/IPO/IPConstantPropagation.cpp
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@@ -82,9 +82,8 @@ bool IPCP::processFunction(Function &F) {
if (*AI == &F) return false; // Passes the function into itself
if (!ArgumentConstants[i].second) {
if (isa<Constant>(*AI) || isa<GlobalValue>(*AI)) {
if (isa<Constant>(*AI)) {
Constant *C = dyn_cast<Constant>(*AI);
if (!C) C = ConstantPointerRef::get(cast<GlobalValue>(*AI));
if (!ArgumentConstants[i].first)
ArgumentConstants[i].first = C;
@@ -114,9 +113,6 @@ bool IPCP::processFunction(Function &F) {
if (!ArgumentConstants[i].second && !AI->use_empty()) {
assert(ArgumentConstants[i].first && "Unknown constant value!");
Value *V = ArgumentConstants[i].first;
if (ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(V))
V = CPR->getValue();
AI->replaceAllUsesWith(V);
++NumArgumentsProped;
MadeChange = true;