simplify this logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60189 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/DCE.cpp b/lib/Transforms/Scalar/DCE.cpp
index fb9a0e0..a5990ee 100644
--- a/lib/Transforms/Scalar/DCE.cpp
+++ b/lib/Transforms/Scalar/DCE.cpp
@@ -39,12 +39,14 @@
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;
}