6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-24 08:24:33 +00:00
Code Issues Projects Releases Wiki Activity

Handle intrinsics in GlobalsModRef. Fixes pr12351.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153604 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2012-03-28 21:31:24 +00:00
parent 5b2f913664
commit 8f3fabe0fe
2 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Analysis/IPA/GlobalsModRef.cpp
View File

@ -21,6 +21,7 @@
#include "llvm/Instructions.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/MemoryBuiltins.h"
@ -467,6 +468,11 @@ void GlobalsModRef::AnalyzeCallGraph(CallGraph &CG, Module &M) {
} else if (isMalloc(&cast<Instruction>(*II)) ||
isFreeCall(&cast<Instruction>(*II))) {
FunctionEffect |= ModRef;
} else if (IntrinsicInst *Intrinsic = dyn_cast<IntrinsicInst>(&*II)) {
// The callgraph doesn't include intrinsic calls.
Function *Callee = Intrinsic->getCalledFunction();
ModRefBehavior Behaviour = AliasAnalysis::getModRefBehavior(Callee);
FunctionEffect |= (Behaviour & ModRef);
}
if ((FunctionEffect & Mod) == 0)