diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter')
-rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 513361e1341..73c53d6c4af 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1065,9 +1065,13 @@ void AsmPrinter::EmitFunctionBody() { ++NumInstsInFunction; } - // If there is a pre-instruction symbol, emit a label for it here. + // If there is a pre-instruction symbol, emit a label for it here. If the + // instruction was duplicated and the label has already been emitted, + // don't re-emit the same label. + // FIXME: Consider strengthening that to an assertion. if (MCSymbol *S = MI.getPreInstrSymbol()) - OutStreamer->EmitLabel(S); + if (S->isUndefined()) + OutStreamer->EmitLabel(S); if (ShouldPrintDebugScopes) { for (const HandlerInfo &HI : Handlers) { @@ -1120,9 +1124,13 @@ void AsmPrinter::EmitFunctionBody() { break; } - // If there is a post-instruction symbol, emit a label for it here. + // If there is a post-instruction symbol, emit a label for it here. If + // the instruction was duplicated and the label has already been emitted, + // don't re-emit the same label. + // FIXME: Consider strengthening that to an assertion. if (MCSymbol *S = MI.getPostInstrSymbol()) - OutStreamer->EmitLabel(S); + if (S->isUndefined()) + OutStreamer->EmitLabel(S); if (ShouldPrintDebugScopes) { for (const HandlerInfo &HI : Handlers) { |