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Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-06-19 20:51:24 +00:00
parent 2e1dc2d265
commit ea44281d5d
10 changed files with 56 additions and 46 deletions
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11
lib/CodeGen/DwarfEHPrepare.cpp
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@ -32,7 +32,7 @@ STATISTIC(NumResumesLowered, "Number of resume calls lowered");
namespace {
class DwarfEHPrepare : public FunctionPass {
const TargetLoweringBase *TLI;
const TargetMachine *TM;
// RewindFunction - _Unwind_Resume or the target equivalent.
Constant *RewindFunction;
@ -42,8 +42,8 @@ namespace {
public:
static char ID; // Pass identification, replacement for typeid.
DwarfEHPrepare(const TargetLoweringBase *TLI) :
FunctionPass(ID), TLI(TLI), RewindFunction(0) {
DwarfEHPrepare(const TargetMachine *TM) :
FunctionPass(ID), TM(TM), RewindFunction(0) {
initializeDominatorTreePass(*PassRegistry::getPassRegistry());
}
@ -59,8 +59,8 @@ namespace {
char DwarfEHPrepare::ID = 0;
FunctionPass *llvm::createDwarfEHPass(const TargetLoweringBase *TLI) {
return new DwarfEHPrepare(TLI);
FunctionPass *llvm::createDwarfEHPass(const TargetMachine *TM) {
return new DwarfEHPrepare(TM);
}
/// GetExceptionObject - Return the exception object from the value passed into
@ -117,6 +117,7 @@ bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
return false;
// Find the rewind function if we didn't already.
const TargetLowering *TLI = TM->getTargetLowering();
if (!RewindFunction) {
LLVMContext &Ctx = Resumes[0]->getContext();
FunctionType *FTy = FunctionType::get(Type::getVoidTy(Ctx),