RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 03:23:01 +02:00
Code Issues Projects Releases Wiki Activity

Optimize this test. Firstly, only Instructions may use other Instructions.

Browse Source 
Secondly, checking whether removal succeeded tells you whether it was in
the map to begin with.

llvm-svn: 37469
This commit is contained in:
Nick Lewycky 2007-06-06 11:26:20 +00:00
parent 7b433a2954
commit 2897eb89d0
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Analysis/ScalarEvolution.cpp
View File

@ -1210,8 +1210,8 @@ void ScalarEvolutionsImpl::deleteInstructionFromRecords(Instruction *I) {
for (Instruction::use_iterator UI = II->use_begin(), UE = II->use_end();
UI != UE; ++UI) {
Instruction *Inst = dyn_cast<Instruction>(*UI);
if (Inst && hasSCEV(Inst) && Scalars.erase(Inst)) {
Instruction *Inst = cast<Instruction>(*UI);
if (Scalars.erase(Inst)) {
if (PHINode *PN = dyn_cast<PHINode>(II))
ConstantEvolutionLoopExitValue.erase(PN);
Worklist.push_back(Inst);