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Small simplification of the stack guard type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58728 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-11-04 22:54:43 +00:00
parent b7c2c1246f
commit 4a3a851182
1 changed files with 3 additions and 4 deletions
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7
lib/CodeGen/StackProtector.cpp
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@ -114,11 +114,10 @@ bool StackProtector::runOnFunction(Function &Fn) {
void StackProtector::InsertStackProtectorPrologue() {
BasicBlock &Entry = F->getEntryBlock();
Instruction &InsertPt = Entry.front();
const PointerType *GuardTy = PointerType::getUnqual(Type::Int8Ty);
StackGuardVar = M->getOrInsertGlobal("__stack_chk_guard",
PointerType::getUnqual(Type::Int8Ty));
StackProtFrameSlot = new AllocaInst(PointerType::getUnqual(Type::Int8Ty),
"StackProt_Frame", &InsertPt);
StackGuardVar = M->getOrInsertGlobal("__stack_chk_guard", GuardTy);
StackProtFrameSlot = new AllocaInst(GuardTy, "StackProt_Frame", &InsertPt);
LoadInst *LI = new LoadInst(StackGuardVar, "StackGuard", false, &InsertPt);
new StoreInst(LI, StackProtFrameSlot, false, &InsertPt);
}