From 6149ac89919d49c87875134ea7402db73b6fe84f Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 10 Apr 2004 07:02:02 +0000
Subject: [PATCH] Correctly update counters
llvm-svn: 12810
---
llvm/lib/Transforms/Scalar/ADCE.cpp | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/llvm/lib/Transforms/Scalar/ADCE.cpp b/llvm/lib/Transforms/Scalar/ADCE.cpp
index afc24f95f11b..18c11c3adee1 100644
--- a/llvm/lib/Transforms/Scalar/ADCE.cpp
+++ b/llvm/lib/Transforms/Scalar/ADCE.cpp
@@ -144,13 +144,16 @@ bool ADCE::dropReferencesOfDeadInstructionsInLiveBlock(BasicBlock *BB) {
// #arguments != #predecessors, so we remove them now.
//
PN->replaceAllUsesWith(Constant::getNullValue(PN->getType()));
+
+ } else {
+ if (isa<CallInst>(I))
+ ++NumCallRemoved;
+ else
+ ++NumInstRemoved;
// Delete the instruction...
- I = BB->getInstList().erase(I);
+ BB->getInstList().erase(I++);
Changed = true;
- ++NumInstRemoved;
- } else {
- ++I;
}
} else {
++I;
@@ -497,8 +500,11 @@ bool ADCE::doADCE() {
for (BasicBlock::iterator II = BI->begin(); II != --BI->end(); )
if (!LiveSet.count(II)) { // Is this instruction alive?
// Nope... remove the instruction from it's basic block...
+ if (isa<CallInst>(II))
+ ++NumCallRemoved;
+ else
+ ++NumInstRemoved;
II = BI->getInstList().erase(II);
- ++NumInstRemoved;
MadeChanges = true;
} else {
++II;