maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

use predicate instead of hand-rolled loop 

llvm-svn: 69752
This commit is contained in:
Chris Lattner 2009-04-21 23:37:18 +00:00
parent eff7c6a2d6
commit 58be2d4413
1 changed files with 4 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
llvm/lib/Transforms/Utils/InlineCost.cpp
View File

@ -76,10 +76,8 @@ unsigned InlineCostAnalyzer::FunctionInfo::
Reduction += 10;
else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(I)) {
// If the GEP has variable indices, we won't be able to do much with it.
for (Instruction::op_iterator I = GEP->op_begin()+1, E = GEP->op_end();
I != E; ++I)
if (!isa<Constant>(*I)) return 0;
Reduction += CountCodeReductionForAlloca(GEP)+15;
if (!GEP->hasAllConstantIndices())
Reduction += CountCodeReductionForAlloca(GEP)+15;
} else {
// If there is some other strange instruction, we're not going to be able
// to do much if we inline this.
@ -143,13 +141,8 @@ void InlineCostAnalyzer::FunctionInfo::analyzeFunction(Function *F) {
dyn_cast<GetElementPtrInst>(II)) {
// If a GEP has all constant indices, it will probably be folded with
// a load/store.
bool AllConstant = true;
for (unsigned i = 1, e = GEPI->getNumOperands(); i != e; ++i)
if (!isa<ConstantInt>(GEPI->getOperand(i))) {
AllConstant = false;
break;
}
if (AllConstant) continue;
if (GEPI->hasAllConstantIndices())
continue;
}
++NumInsts;