// DIEEntry Implementation
//===----------------------------------------------------------------------===//
-/// Emit something like ".long Hi+Offset-Lo" where the size in bytes of the
-/// directive is specified by Size and Hi/Lo specify the labels.
-static void emitLabelOffsetDifference(MCStreamer &Streamer, const MCSymbol *Hi,
- uint64_t Offset, const MCSymbol *Lo,
- unsigned Size) {
- MCContext &Context = Streamer.getContext();
-
- // Emit Hi+Offset - Lo
- // Get the Hi+Offset expression.
- const MCExpr *Plus =
- MCBinaryExpr::CreateAdd(MCSymbolRefExpr::Create(Hi, Context),
- MCConstantExpr::Create(Offset, Context), Context);
-
- // Get the Hi+Offset-Lo expression.
- const MCExpr *Diff = MCBinaryExpr::CreateSub(
- Plus, MCSymbolRefExpr::Create(Lo, Context), Context);
-
- // Otherwise, emit with .set (aka assignment).
- MCSymbol *SetLabel = Context.CreateTempSymbol();
- Streamer.EmitAssignment(SetLabel, Diff);
- Streamer.EmitSymbolValue(SetLabel, Size);
-}
-
/// EmitValue - Emit debug information entry offset.
///
void DIEEntry::EmitValue(const AsmPrinter *AP, dwarf::Form Form) const {
AP->EmitLabelPlusOffset(CU->getSectionSym(), Addr,
DIEEntry::getRefAddrSize(AP));
else
- emitLabelOffsetDifference(AP->OutStreamer, CU->getSectionSym(), Addr,
- CU->getSectionSym(),
- DIEEntry::getRefAddrSize(AP));
+ AP->OutStreamer.EmitIntValue(Addr, DIEEntry::getRefAddrSize(AP));
} else
AP->EmitInt32(Entry.getOffset());
}
; RUN: llc -filetype=obj -O0 %s -mtriple=x86_64-linux-gnu -o %t
; RUN: llvm-dwarfdump %t | FileCheck %s -check-prefix=CHECK-DWARF
+; RUN: llc -filetype=asm -O0 -mtriple=x86_64-apple-darwin < %s | FileCheck --check-prefix=DARWIN-ASM %s
; RUN: llc -filetype=obj %s -mtriple=x86_64-apple-darwin -o %t2
; RUN: llvm-dwarfdump %t2 | FileCheck %s -check-prefix=DARWIN-DWARF
; CHECK-NOT: DW_TAG_structure_type
; CHECK: .section
+; test that we don't create useless labels
+; DARWIN-ASM: .long [[TYPE:.*]] ## DW_AT_type
+; DARWIN-ASM: .quad [[TYPE]] ## DW_AT_type
+
; CHECK-DWARF: DW_TAG_compile_unit
; CHECK-DWARF: 0x[[ADDR:.*]]: DW_TAG_structure_type
; CHECK-DWARF: DW_TAG_compile_unit