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Diffstat (limited to 'lib/CodeGen/AsmPrinter/AsmPrinter.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter/AsmPrinter.cpp20
1 files changed, 16 insertions, 4 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index d72cf59229874..e61e22abe82a7 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -949,6 +949,19 @@ void AsmPrinter::emitFrameAlloc(const MachineInstr &MI) {
MCConstantExpr::create(FrameOffset, OutContext));
}
+static bool needFuncLabelsForEHOrDebugInfo(const MachineFunction &MF,
+ MachineModuleInfo *MMI) {
+ if (!MF.getLandingPads().empty() || MF.hasEHFunclets() || MMI->hasDebugInfo())
+ return true;
+
+ // We might emit an EH table that uses function begin and end labels even if
+ // we don't have any landingpads.
+ if (!MF.getFunction()->hasPersonalityFn())
+ return false;
+ return !isNoOpWithoutInvoke(
+ classifyEHPersonality(MF.getFunction()->getPersonalityFn()));
+}
+
/// EmitFunctionBody - This method emits the body and trailer for a
/// function.
void AsmPrinter::EmitFunctionBody() {
@@ -1076,8 +1089,8 @@ void AsmPrinter::EmitFunctionBody() {
// Emit target-specific gunk after the function body.
EmitFunctionBodyEnd();
- if (!MF->getLandingPads().empty() || MMI->hasDebugInfo() ||
- MF->hasEHFunclets() || MAI->hasDotTypeDotSizeDirective()) {
+ if (needFuncLabelsForEHOrDebugInfo(*MF, MMI) ||
+ MAI->hasDotTypeDotSizeDirective()) {
// Create a symbol for the end of function.
CurrentFnEnd = createTempSymbol("func_end");
OutStreamer->EmitLabel(CurrentFnEnd);
@@ -1402,8 +1415,7 @@ void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
CurrentFnBegin = nullptr;
CurExceptionSym = nullptr;
bool NeedsLocalForSize = MAI->needsLocalForSize();
- if (!MF.getLandingPads().empty() || MMI->hasDebugInfo() ||
- MF.hasEHFunclets() || NeedsLocalForSize) {
+ if (needFuncLabelsForEHOrDebugInfo(MF, MMI) || NeedsLocalForSize) {
CurrentFnBegin = createTempSymbol("func_begin");
if (NeedsLocalForSize)
CurrentFnSymForSize = CurrentFnBegin;