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Pass around const RetOrArg references instead of copying values. Also, mark

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RetOrArg::getDescription() as const.

llvm-svn: 53599
This commit is contained in:
Matthijs Kooijman 2008-07-15 08:56:49 +00:00
parent 937016427b
commit 31b7208f7d
1 changed files with 3 additions and 3 deletions
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6
lib/Transforms/IPO/DeadArgumentElimination.cpp
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@ -70,7 +70,7 @@ namespace {
return F == O.F && Idx == O.Idx && IsArg == O.IsArg;
}
std::string getDescription() {
std::string getDescription() const {
return std::string((IsArg ? "Argument #" : "Return value #"))
+ utostr(Idx) + " of function " + F->getName();
}
@ -132,7 +132,7 @@ namespace {
void SurveyFunction(Function &F);
void MarkValue(const RetOrArg &RA, Liveness L,
const UseVector &MaybeLiveUses);
void MarkLive(RetOrArg RA);
void MarkLive(const RetOrArg &RA);
void MarkLive(const Function &F);
bool RemoveDeadStuffFromFunction(Function *F);
bool DeleteDeadVarargs(Function &Fn);
@ -540,7 +540,7 @@ void DAE::MarkLive(const Function &F) {
/// MarkLive - Mark the given return value or argument as live. Additionally,
/// mark any values that are used by this value (according to Uses) live as
/// well.
void DAE::MarkLive(RetOrArg RA) {
void DAE::MarkLive(const RetOrArg &RA) {
if (!LiveValues.insert(RA).second)
return; // We were already marked Live.