6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-20 10:24:12 +00:00
Code Issues Projects Releases Wiki Activity

Fix a few more places where TargetData/TargetLibraryInfo is not being passed.

Browse Source 
Add FIXMEs to places that are non-trivial to fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145661 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2011-12-02 01:26:24 +00:00
parent 7636bf6530
commit aab8e28d5e
12 changed files with 79 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
lib/Transforms/Scalar/JumpThreading.cpp
View File

@ -24,6 +24,7 @@
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/Statistic.h"
@ -75,6 +76,7 @@ namespace {
///
class JumpThreading : public FunctionPass {
TargetData *TD;
TargetLibraryInfo *TLI;
LazyValueInfo *LVI;
#ifdef NDEBUG
SmallPtrSet<BasicBlock*, 16> LoopHeaders;
@ -107,6 +109,7 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<LazyValueInfo>();
AU.addPreserved<LazyValueInfo>();
AU.addRequired<TargetLibraryInfo>();
}
void FindLoopHeaders(Function &F);
@ -133,6 +136,7 @@ char JumpThreading::ID = 0;
INITIALIZE_PASS_BEGIN(JumpThreading, "jump-threading",
"Jump Threading", false, false)
INITIALIZE_PASS_DEPENDENCY(LazyValueInfo)
INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfo)
INITIALIZE_PASS_END(JumpThreading, "jump-threading",
"Jump Threading", false, false)
@ -144,6 +148,7 @@ FunctionPass *llvm::createJumpThreadingPass() { return new JumpThreading(); }
bool JumpThreading::runOnFunction(Function &F) {
DEBUG(dbgs() << "Jump threading on function '" << F.getName() << "'\n");
TD = getAnalysisIfAvailable<TargetData>();
TLI = &getAnalysis<TargetLibraryInfo>();
LVI = &getAnalysis<LazyValueInfo>();
FindLoopHeaders(F);
@ -674,7 +679,7 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) {
// Run constant folding to see if we can reduce the condition to a simple
// constant.
if (Instruction *I = dyn_cast<Instruction>(Condition)) {
Value *SimpleVal = ConstantFoldInstruction(I, TD);
Value *SimpleVal = ConstantFoldInstruction(I, TD, TLI);
if (SimpleVal) {
I->replaceAllUsesWith(SimpleVal);
I->eraseFromParent();