RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 03:02:36 +01:00
Code Issues Projects Releases Wiki Activity

StructurizeCFG: Use phi iterator range

Browse Source 
llvm-svn: 321568
This commit is contained in:
Matt Arsenault 2017-12-29 19:25:57 +00:00
parent 93f1de7111
commit 92354bae4f
1 changed files with 2 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
lib/Transforms/Scalar/StructurizeCFG.cpp
View File

@ -544,10 +544,7 @@ void StructurizeCFG::insertConditions(bool Loops) {
/// them in DeletedPhis
void StructurizeCFG::delPhiValues(BasicBlock *From, BasicBlock *To) {
PhiMap &Map = DeletedPhis[To];
for (Instruction &I : *To) {
if (!isa<PHINode>(I))
break;
PHINode &Phi = cast<PHINode>(I);
for (PHINode &Phi : To->phis()) {
while (Phi.getBasicBlockIndex(From) != -1) {
Value *Deleted = Phi.removeIncomingValue(From, false);
Map[&Phi].push_back(std::make_pair(From, Deleted));
@ -557,10 +554,7 @@ void StructurizeCFG::delPhiValues(BasicBlock *From, BasicBlock *To) {
/// \brief Add a dummy PHI value as soon as we knew the new predecessor
void StructurizeCFG::addPhiValues(BasicBlock *From, BasicBlock *To) {
for (Instruction &I : *To) {
if (!isa<PHINode>(I))
break;
PHINode &Phi = cast<PHINode>(I);
for (PHINode &Phi : To->phis()) {
Value *Undef = UndefValue::get(Phi.getType());
Phi.addIncoming(Undef, From);
}