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Change the interface to PromoteMemToReg to also take a DominatorTree

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8883 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-10-05 21:20:13 +00:00
parent 5b15deedc0
commit 43f820d1f7
5 changed files with 17 additions and 6 deletions
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6
lib/Transforms/Utils/Mem2Reg.cpp
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@@ -25,6 +25,7 @@ namespace {
// getAnalysisUsage - We need dominance frontiers
//
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
AU.addRequired<DominanceFrontier>();
AU.addRequired<TargetData>();
AU.setPreservesCFG();
@@ -41,6 +42,9 @@ bool PromotePass::runOnFunction(Function &F) {
BasicBlock &BB = F.getEntryBlock(); // Get the entry node for the function
bool Changed = false;
DominatorTree &DT = getAnalysis<DominatorTree>();
DominanceFrontier &DF = getAnalysis<DominanceFrontier>();
while (1) {
Allocas.clear();
@@ -54,7 +58,7 @@ bool PromotePass::runOnFunction(Function &F) {
if (Allocas.empty()) break;
PromoteMemToReg(Allocas, getAnalysis<DominanceFrontier>(), TD);
PromoteMemToReg(Allocas, DT, DF, TD);
NumPromoted += Allocas.size();
Changed = true;
}