RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-04-03 00:01:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

simplify this logic.

Browse Source 
llvm-svn: 60189
This commit is contained in:
Chris Lattner 2008-11-27 22:46:09 +00:00
parent f5d5d6026f
commit d3f7621acd
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -39,12 +39,14 @@ namespace {
DeadInstElimination() : BasicBlockPass(intptr_t(&ID)) {}
virtual bool runOnBasicBlock(BasicBlock &BB) {
bool Changed = false;
for (BasicBlock::iterator DI = BB.begin(); DI != BB.end(); )
if (dceInstruction(DI)) {
for (BasicBlock::iterator DI = BB.begin(); DI != BB.end(); ) {
Instruction *Inst = DI++;
if (isInstructionTriviallyDead(Inst)) {
Inst->eraseFromParent();
Changed = true;
++DIEEliminated;
} else
++DI;
}
}
return Changed;
}