[llvm-commits] CVS: llvm/lib/Transforms/Utils/LoopSimplify.cpp
Owen Anderson
resistor at mac.com
Mon Apr 9 15:55:07 PDT 2007
Changes in directory llvm/lib/Transforms/Utils:
LoopSimplify.cpp updated: 1.87 -> 1.88
---
Log message:
Const-ify some parameters, and some cosmetic cleanups. No functionality
change.
---
Diffs of the changes: (+4 -3)
LoopSimplify.cpp | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
Index: llvm/lib/Transforms/Utils/LoopSimplify.cpp
diff -u llvm/lib/Transforms/Utils/LoopSimplify.cpp:1.87 llvm/lib/Transforms/Utils/LoopSimplify.cpp:1.88
--- llvm/lib/Transforms/Utils/LoopSimplify.cpp:1.87 Mon Apr 9 17:31:43 2007
+++ llvm/lib/Transforms/Utils/LoopSimplify.cpp Mon Apr 9 17:54:50 2007
@@ -419,8 +419,8 @@
/// FindPHIToPartitionLoops - The first part of loop-nestification is to find a
/// PHI node that tells us how to partition the loops.
-static PHINode *FindPHIToPartitionLoops(Loop *L, ETForest *EF,
- AliasAnalysis *AA) {
+static PHINode *FindPHIToPartitionLoops(Loop *L, ETForest *EF,
+ AliasAnalysis *AA) {
for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ) {
PHINode *PN = cast<PHINode>(I);
++I;
@@ -675,7 +675,7 @@
// Returns true if BasicBlock A dominates at least one block in vector B
// Helper function for UpdateDomInfoForRevectoredPreds
-static bool BlockDominatesAny(BasicBlock* A, std::vector<BasicBlock*>& B, ETForest& ETF) {
+static bool BlockDominatesAny(BasicBlock* A, const std::vector<BasicBlock*>& B, const ETForest& ETF) {
for (std::vector<BasicBlock*>::iterator BI = B.begin(), BE = B.end(); BI != BE; ++BI) {
if (ETF.dominates(A, *BI))
return true;
@@ -858,6 +858,7 @@
// Only consider dominators of NewBBSucc
if (!DFI->second.count(NewBBSucc)) continue;
+
if (BlockDominatesAny(FI, PredBlocks, ETF)) {
// If NewBBSucc should not stay in our dominator frontier, remove it.
// We remove it unless there is a predecessor of NewBBSucc that we
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