6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-28 19:25:00 +00:00
Code Issues Projects Releases Wiki Activity

MergedLoadStoreMotion preserves MemoryDependenceAnalysis, it does not require it.

Browse Source 
(It already was coded assuming it can sometimes be null, so no other changes are necessary)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237978 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Berlin
2015-05-22 00:13:05 +00:00
parent ab0b15dff8
commit 4ea24c84fb
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Transforms/Scalar/MergedLoadStoreMotion.cpp
View File

@@ -117,8 +117,8 @@ private:
// This transformation requires dominator postdominator info // This transformation requires dominator postdominator info
void getAnalysisUsage(AnalysisUsage &AU) const override { void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<TargetLibraryInfoWrapperPass>(); AU.addRequired<TargetLibraryInfoWrapperPass>();
AU.addRequired<MemoryDependenceAnalysis>();
AU.addRequired<AliasAnalysis>(); AU.addRequired<AliasAnalysis>();
AU.addPreserved<MemoryDependenceAnalysis>();
AU.addPreserved<AliasAnalysis>(); AU.addPreserved<AliasAnalysis>();
} }
@@ -580,7 +580,7 @@ bool MergedLoadStoreMotion::mergeStores(BasicBlock *T) {
/// \brief Run the transformation for each function /// \brief Run the transformation for each function
/// ///
bool MergedLoadStoreMotion::runOnFunction(Function &F) { bool MergedLoadStoreMotion::runOnFunction(Function &F) {
MD = &getAnalysis<MemoryDependenceAnalysis>(); MD = getAnalysisIfAvailable<MemoryDependenceAnalysis>();
AA = &getAnalysis<AliasAnalysis>(); AA = &getAnalysis<AliasAnalysis>();
bool Changed = false; bool Changed = false;