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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/SjLjEHPrepare.cpp
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@@ -43,7 +43,7 @@ STATISTIC(NumSpilled, "Number of registers live across unwind edges");
namespace {
class SjLjEHPrepare : public FunctionPass {
const TargetLoweringBase *TLI;
const TargetMachine *TM;
Type *FunctionContextTy;
Constant *RegisterFn;
Constant *UnregisterFn;
@@ -58,8 +58,8 @@ namespace {
AllocaInst *FuncCtx;
public:
static char ID; // Pass identification, replacement for typeid
explicit SjLjEHPrepare(const TargetLoweringBase *tli = NULL)
: FunctionPass(ID), TLI(tli) { }
explicit SjLjEHPrepare(const TargetMachine *TM)
: FunctionPass(ID), TM(TM) { }
bool doInitialization(Module &M);
bool runOnFunction(Function &F);
@@ -82,8 +82,8 @@ namespace {
char SjLjEHPrepare::ID = 0;
// Public Interface To the SjLjEHPrepare pass.
FunctionPass *llvm::createSjLjEHPreparePass(const TargetLoweringBase *TLI) {
return new SjLjEHPrepare(TLI);
FunctionPass *llvm::createSjLjEHPreparePass(const TargetMachine *TM) {
return new SjLjEHPrepare(TM);
}
// doInitialization - Set up decalarations and types needed to process
// exceptions.
@@ -190,6 +190,7 @@ setupFunctionContext(Function &F, ArrayRef<LandingPadInst*> LPads) {
// Create an alloca for the incoming jump buffer ptr and the new jump buffer
// that needs to be restored on all exits from the function. This is an alloca
// because the value needs to be added to the global context list.
const TargetLowering *TLI = TM->getTargetLowering();
unsigned Align =
TLI->getDataLayout()->getPrefTypeAlignment(FunctionContextTy);
FuncCtx =