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Hopefully, the final fix for `[Pp]ropogate'.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman
2003-05-20 21:01:22 +00:00
parent 1a1046b7bc
commit 82c89b9f3a
12 changed files with 32 additions and 32 deletions
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16
lib/Transforms/Scalar/ConstantProp.cpp
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@@ -1,6 +1,6 @@
//===- ConstantProp.cpp - Code to perform Simple Constant Propogation -----===//
//===- ConstantProp.cpp - Code to perform Simple Constant Propagation -----===//
//
// This file implements constant propogation and merging:
// This file implements constant propagation and merging:
//
// Specifically, this:
// * Converts instructions like "add int 1, 2" into 3
@@ -23,7 +23,7 @@
namespace {
Statistic<> NumInstKilled("constprop", "Number of instructions killed");
struct ConstantPropogation : public FunctionPass {
struct ConstantPropagation : public FunctionPass {
bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
@@ -31,15 +31,15 @@ namespace {
}
};
RegisterOpt<ConstantPropogation> X("constprop","Simple constant propogation");
RegisterOpt<ConstantPropagation> X("constprop","Simple constant propagation");
}
Pass *createConstantPropogationPass() {
return new ConstantPropogation();
Pass *createConstantPropagationPass() {
return new ConstantPropagation();
}
bool ConstantPropogation::runOnFunction(Function &F) {
bool ConstantPropagation::runOnFunction(Function &F) {
// Initialize the worklist to all of the instructions ready to process...
std::set<Instruction*> WorkList(inst_begin(F), inst_end(F));
bool Changed = false;
@@ -51,7 +51,7 @@ bool ConstantPropogation::runOnFunction(Function &F) {
if (!I->use_empty()) // Don't muck with dead instructions...
if (Constant *C = ConstantFoldInstruction(I)) {
// Add all of the users of this instruction to the worklist, they might
// be constant propogatable now...
// be constant propagatable now...
for (Value::use_iterator UI = I->use_begin(), UE = I->use_end();
UI != UE; ++UI)
WorkList.insert(cast<Instruction>(*UI));