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authordim <dim@FreeBSD.org>2015-05-27 20:26:41 +0000
committerdim <dim@FreeBSD.org>2015-05-27 20:26:41 +0000
commit5ef8fd3549d38e883a31881636be3dc2a275de20 (patch)
treebd13a22d9db57ccf3eddbc07b32c18109521d050 /contrib/llvm/lib/CodeGen/StackProtector.cpp
parent77794ebe2d5718eb502c93ec32f8ccae4d8a0b7b (diff)
parent782067d0278612ee75d024b9b135c221c327e9e8 (diff)
downloadFreeBSD-src-5ef8fd3549d38e883a31881636be3dc2a275de20.zip
FreeBSD-src-5ef8fd3549d38e883a31881636be3dc2a275de20.tar.gz
Merge llvm trunk r238337 from ^/vendor/llvm/dist, resolve conflicts, and
preserve our customizations, where necessary.
Diffstat (limited to 'contrib/llvm/lib/CodeGen/StackProtector.cpp')
-rw-r--r--contrib/llvm/lib/CodeGen/StackProtector.cpp20
1 files changed, 8 insertions, 12 deletions
diff --git a/contrib/llvm/lib/CodeGen/StackProtector.cpp b/contrib/llvm/lib/CodeGen/StackProtector.cpp
index a132805..0824d6f 100644
--- a/contrib/llvm/lib/CodeGen/StackProtector.cpp
+++ b/contrib/llvm/lib/CodeGen/StackProtector.cpp
@@ -88,10 +88,9 @@ bool StackProtector::runOnFunction(Function &Fn) {
DominatorTreeWrapperPass *DTWP =
getAnalysisIfAvailable<DominatorTreeWrapperPass>();
DT = DTWP ? &DTWP->getDomTree() : nullptr;
- TLI = TM->getSubtargetImpl()->getTargetLowering();
+ TLI = TM->getSubtargetImpl(Fn)->getTargetLowering();
- Attribute Attr = Fn.getAttributes().getAttribute(
- AttributeSet::FunctionIndex, "stack-protector-buffer-size");
+ Attribute Attr = Fn.getFnAttribute("stack-protector-buffer-size");
if (Attr.isStringAttribute() &&
Attr.getValueAsString().getAsInteger(10, SSPBufferSize))
return false; // Invalid integer string
@@ -201,15 +200,12 @@ bool StackProtector::HasAddressTaken(const Instruction *AI) {
bool StackProtector::RequiresStackProtector() {
bool Strong = false;
bool NeedsProtector = false;
- if (F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StackProtectReq)) {
+ if (F->hasFnAttribute(Attribute::StackProtectReq)) {
NeedsProtector = true;
Strong = true; // Use the same heuristic as strong to determine SSPLayout
- } else if (F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StackProtectStrong))
+ } else if (F->hasFnAttribute(Attribute::StackProtectStrong))
Strong = true;
- else if (!F->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StackProtect))
+ else if (!F->hasFnAttribute(Attribute::StackProtect))
return false;
for (const BasicBlock &BB : *F) {
@@ -357,8 +353,8 @@ static bool CreatePrologue(Function *F, Module *M, ReturnInst *RI,
IRBuilder<> B(&F->getEntryBlock().front());
AI = B.CreateAlloca(PtrTy, nullptr, "StackGuardSlot");
LoadInst *LI = B.CreateLoad(StackGuardVar, "StackGuard");
- B.CreateCall2(Intrinsic::getDeclaration(M, Intrinsic::stackprotector), LI,
- AI);
+ B.CreateCall(Intrinsic::getDeclaration(M, Intrinsic::stackprotector),
+ {LI, AI});
return SupportsSelectionDAGSP;
}
@@ -492,7 +488,7 @@ BasicBlock *StackProtector::CreateFailBB() {
Constant *StackChkFail =
M->getOrInsertFunction("__stack_chk_fail", Type::getVoidTy(Context),
nullptr);
- B.CreateCall(StackChkFail);
+ B.CreateCall(StackChkFail, {});
}
B.CreateUnreachable();
return FailBB;
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