6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-19 20:34:38 +00:00
Code Issues Projects Releases Wiki Activity

cache result of operator*

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-09 16:39:02 +00:00
parent 02266e29f9
commit f64f9cf7ec
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Analysis/ScalarEvolutionExpander.cpp
View File

@ -30,9 +30,10 @@ Value *SCEVExpander::ReuseOrCreateCast(Value *V, const Type *Ty,
BasicBlock::iterator IP) {
// Check to see if there is already a cast!
for (Value::use_iterator UI = V->use_begin(), E = V->use_end();
UI != E; ++UI)
if ((*UI)->getType() == Ty)
if (CastInst *CI = dyn_cast<CastInst>(cast<Instruction>(*UI)))
UI != E; ++UI) {
User *U = *UI;
if (U->getType() == Ty)
if (CastInst *CI = dyn_cast<CastInst>(cast<Instruction>(U)))
if (CI->getOpcode() == Op) {
// If the cast isn't where we want it, fix it.
if (BasicBlock::iterator(CI) != IP) {
@ -49,6 +50,7 @@ Value *SCEVExpander::ReuseOrCreateCast(Value *V, const Type *Ty,
rememberInstruction(CI);
return CI;
}
}
// Create a new cast.
Instruction *I = CastInst::Create(Op, V, Ty, V->getName(), IP);