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-rw-r--r--lib/Transforms/Utils/LowerInvoke.cpp20
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/Transforms/Utils/LowerInvoke.cpp b/lib/Transforms/Utils/LowerInvoke.cpp
index 8702810837..73d703b738 100644
--- a/lib/Transforms/Utils/LowerInvoke.cpp
+++ b/lib/Transforms/Utils/LowerInvoke.cpp
@@ -45,6 +45,7 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Target/TargetLowering.h"
#include <csetjmp>
using namespace llvm;
@@ -67,9 +68,12 @@ namespace {
const Type *JBLinkTy;
GlobalVariable *JBListHead;
Function *SetJmpFn, *LongJmpFn;
+
+ // We peek in TLI to grab the target's jmp_buf size and alignment
+ const TargetLowering *TLI;
+
public:
- LowerInvoke(unsigned Size = 200, unsigned Align = 0) : JumpBufSize(Size),
- JumpBufAlign(Align) {}
+ LowerInvoke(const TargetLowering *tli = NULL) : TLI(tli) { }
bool doInitialization(Module &M);
bool runOnFunction(Function &F);
@@ -89,9 +93,6 @@ namespace {
void rewriteExpensiveInvoke(InvokeInst *II, unsigned InvokeNo,
AllocaInst *InvokeNum, SwitchInst *CatchSwitch);
bool insertExpensiveEHSupport(Function &F);
-
- unsigned JumpBufSize;
- unsigned JumpBufAlign;
};
RegisterPass<LowerInvoke>
@@ -101,9 +102,8 @@ namespace {
const PassInfo *llvm::LowerInvokePassID = X.getPassInfo();
// Public Interface To the LowerInvoke pass.
-FunctionPass *llvm::createLowerInvokePass(unsigned JumpBufSize,
- unsigned JumpBufAlign) {
- return new LowerInvoke(JumpBufSize, JumpBufAlign);
+FunctionPass *llvm::createLowerInvokePass(const TargetLowering *TLI) {
+ return new LowerInvoke(TLI);
}
// doInitialization - Make sure that there is a prototype for abort in the
@@ -113,7 +113,7 @@ bool LowerInvoke::doInitialization(Module &M) {
AbortMessage = 0;
if (ExpensiveEHSupport) {
// Insert a type for the linked list of jump buffers.
- const Type *JmpBufTy = ArrayType::get(VoidPtrTy, JumpBufSize);
+ const Type *JmpBufTy = ArrayType::get(VoidPtrTy, TLI->getJumpBufSize());
{ // The type is recursive, so use a type holder.
std::vector<const Type*> Elements;
@@ -453,7 +453,7 @@ bool LowerInvoke::insertExpensiveEHSupport(Function &F) {
// that needs to be restored on all exits from the function. This is an
// alloca because the value needs to be live across invokes.
AllocaInst *JmpBuf =
- new AllocaInst(JBLinkTy, 0, JumpBufAlign, "jblink", F.begin()->begin());
+ new AllocaInst(JBLinkTy, 0, TLI->getJumpBufAlignment(), "jblink", F.begin()->begin());
std::vector<Value*> Idx;
Idx.push_back(Constant::getNullValue(Type::IntTy));