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authorDimitry Andric <dim@FreeBSD.org>2019-01-22 20:13:43 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-01-22 20:13:43 +0000
commit6f6198e75d9ca534ebca61176d05173f71a628da (patch)
treea59e3df473431ec5a2cb2b6160807b947c89c407 /contrib/llvm/lib/CodeGen
parent8dabf201f0a3b5bc559ca280412e351c492684b7 (diff)
parent3edec5c15a78e4abba7eb9102fef3891c84ebdfb (diff)
Notes
Diffstat (limited to 'contrib/llvm/lib/CodeGen')
-rw-r--r--contrib/llvm/lib/CodeGen/AsmPrinter/WinException.cpp23
-rw-r--r--contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp2
2 files changed, 16 insertions, 9 deletions
diff --git a/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.cpp b/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
index cf8e8c69bc2a..92df09b7d6a2 100644
--- a/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
+++ b/contrib/llvm/lib/CodeGen/AsmPrinter/WinException.cpp
@@ -545,15 +545,17 @@ void WinException::emitCSpecificHandlerTable(const MachineFunction *MF) {
OS.AddComment(Comment);
};
- // Emit a label assignment with the SEH frame offset so we can use it for
- // llvm.eh.recoverfp.
- StringRef FLinkageName =
- GlobalValue::dropLLVMManglingEscape(MF->getFunction().getName());
- MCSymbol *ParentFrameOffset =
- Ctx.getOrCreateParentFrameOffsetSymbol(FLinkageName);
- const MCExpr *MCOffset =
- MCConstantExpr::create(FuncInfo.SEHSetFrameOffset, Ctx);
- Asm->OutStreamer->EmitAssignment(ParentFrameOffset, MCOffset);
+ if (!isAArch64) {
+ // Emit a label assignment with the SEH frame offset so we can use it for
+ // llvm.eh.recoverfp.
+ StringRef FLinkageName =
+ GlobalValue::dropLLVMManglingEscape(MF->getFunction().getName());
+ MCSymbol *ParentFrameOffset =
+ Ctx.getOrCreateParentFrameOffsetSymbol(FLinkageName);
+ const MCExpr *MCOffset =
+ MCConstantExpr::create(FuncInfo.SEHSetFrameOffset, Ctx);
+ Asm->OutStreamer->EmitAssignment(ParentFrameOffset, MCOffset);
+ }
// Use the assembler to compute the number of table entries through label
// difference and division.
@@ -937,6 +939,9 @@ void WinException::emitEHRegistrationOffsetLabel(const WinEHFuncInfo &FuncInfo,
if (FI != INT_MAX) {
const TargetFrameLowering *TFI = Asm->MF->getSubtarget().getFrameLowering();
unsigned UnusedReg;
+ // FIXME: getFrameIndexReference needs to match the behavior of
+ // AArch64RegisterInfo::hasBasePointer in which one of the scenarios where
+ // SP is used is if frame size >= 256.
Offset = TFI->getFrameIndexReference(*Asm->MF, FI, UnusedReg);
}
diff --git a/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 871ab9b29881..bfeb3d1bc2b9 100644
--- a/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -6182,6 +6182,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
.addFrameIndex(FI);
}
+ MF.setHasLocalEscape(true);
+
return nullptr;
}