Enable stack protectors for all arrays, not just char arrays. rdar://5875909

Patch by Bill Wendling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145097 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2011-11-23 07:13:56 +00:00
parent 7f5e43f61d
commit 23d66a58b7
2 changed files with 2 additions and 7 deletions

View File

@ -123,16 +123,11 @@ bool StackProtector::RequiresStackProtector() const {
// protectors.
return true;
if (ArrayType *AT = dyn_cast<ArrayType>(AI->getAllocatedType())) {
// We apparently only care about character arrays.
if (!AT->getElementType()->isIntegerTy(8))
continue;
if (ArrayType *AT = dyn_cast<ArrayType>(AI->getAllocatedType()))
// If an array has more than SSPBufferSize bytes of allocated space,
// then we emit stack protectors.
if (SSPBufferSize <= TD->getTypeAllocSize(AT))
return true;
}
}
}

View File

@ -1,7 +1,7 @@
; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+sse2 | FileCheck %s
; rdar://7434544
define <2 x i64> @t2() nounwind ssp {
define <2 x i64> @t2() nounwind {
entry:
; CHECK: t2:
; CHECK: pshufd $85, (%esp), %xmm0