6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-07 14:33:15 +00:00
Code Issues Projects Releases Wiki Activity

Simplify the allocated size calculation.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58740 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-11-05 00:54:27 +00:00
parent f0eaa9a233
commit fa75dc647c
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/StackProtector.cpp
View File

@ -201,9 +201,9 @@ bool StackProtector::RequiresStackProtector() const {
II = BB->begin(), IE = BB->end(); II != IE; ++II)
if (AllocaInst *AI = dyn_cast<AllocaInst>(II)) {
if (ConstantInt *CI = dyn_cast<ConstantInt>(AI->getArraySize())) {
uint64_t Bytes = TD->getTypeSizeInBits(AI->getAllocatedType()) / 8;
const APInt &Size = CI->getValue();
StackSize += Bytes * Size.getZExtValue();
const Type *Ty = AI->getAllocatedType();
uint64_t TySize = TD->getABITypeSize(Ty);
StackSize += TySize * CI->getZExtValue(); // Total allocated size.
if (SSPBufferSize <= StackSize)
return true;