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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@184352 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-06-19 21:07:11 +00:00
parent 4655485eb7
commit f9fd58a44b
7 changed files with 31 additions and 31 deletions
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20
lib/Transforms/Utils/LowerInvoke.cpp
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@@ -61,6 +61,8 @@ static cl::opt<bool> ExpensiveEHSupport("enable-correct-eh-support",
namespace {
class LowerInvoke : public FunctionPass {
const TargetMachine *TM;
// Used for both models.
Constant *AbortFn;
@@ -70,15 +72,12 @@ namespace {
Constant *SetJmpFn, *LongJmpFn, *StackSaveFn, *StackRestoreFn;
bool useExpensiveEHSupport;
// We peek in TLI to grab the target's jmp_buf size and alignment
const TargetLowering *TLI;
public:
static char ID; // Pass identification, replacement for typeid
explicit LowerInvoke(const TargetLowering *tli = NULL,
explicit LowerInvoke(const TargetMachine *TM = 0,
bool useExpensiveEHSupport = ExpensiveEHSupport)
: FunctionPass(ID), useExpensiveEHSupport(useExpensiveEHSupport),
TLI(tli) {
: FunctionPass(ID), TM(TM),
useExpensiveEHSupport(useExpensiveEHSupport) {
initializeLowerInvokePass(*PassRegistry::getPassRegistry());
}
bool doInitialization(Module &M);
@@ -108,12 +107,9 @@ INITIALIZE_PASS(LowerInvoke, "lowerinvoke",
char &llvm::LowerInvokePassID = LowerInvoke::ID;
// Public Interface To the LowerInvoke pass.
FunctionPass *llvm::createLowerInvokePass(const TargetLowering *TLI) {
return new LowerInvoke(TLI, ExpensiveEHSupport);
}
FunctionPass *llvm::createLowerInvokePass(const TargetLowering *TLI,
FunctionPass *llvm::createLowerInvokePass(const TargetMachine *TM,
bool useExpensiveEHSupport) {
return new LowerInvoke(TLI, useExpensiveEHSupport);
return new LowerInvoke(TM, useExpensiveEHSupport || ExpensiveEHSupport);
}
// doInitialization - Make sure that there is a prototype for abort in the
@@ -122,6 +118,7 @@ bool LowerInvoke::doInitialization(Module &M) {
Type *VoidPtrTy = Type::getInt8PtrTy(M.getContext());
if (useExpensiveEHSupport) {
// Insert a type for the linked list of jump buffers.
const TargetLowering *TLI = TM ? TM->getTargetLowering() : 0;
unsigned JBSize = TLI ? TLI->getJumpBufSize() : 0;
JBSize = JBSize ? JBSize : 200;
Type *JmpBufTy = ArrayType::get(VoidPtrTy, JBSize);
@@ -430,6 +427,7 @@ bool LowerInvoke::insertExpensiveEHSupport(Function &F) {
// 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 live across invokes.
const TargetLowering *TLI = TM ? TM->getTargetLowering() : 0;
unsigned Align = TLI ? TLI->getJumpBufAlignment() : 0;
AllocaInst *JmpBuf =
new AllocaInst(JBLinkTy, 0, Align,