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Don't prime the section map.

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This was just creating unused labels for .text when the module had no
functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231694 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-03-09 20:09:58 +00:00
parent a0ce232a65
commit 905c6fb424
2 changed files with 4 additions and 4 deletions
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3
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1741,9 +1741,6 @@ void DwarfDebug::emitDebugARanges() {
// Provides a unique id per text section.
DenseMap<const MCSection *, SmallVector<SymbolCU, 8>> SectionMap;
// Prime section data.
SectionMap[Asm->getObjFileLowering().getTextSection()];
// Filter labels by section.
for (const SymbolCU &SCU : ArangeLabels) {
if (SCU.Sym->isInSection()) {

5
test/DebugInfo/X86/multiple-aranges.ll
View File

@ -1,7 +1,10 @@
; RUN: llc -generate-arange-section < %s | FileCheck %s
; CHECK: .Ldebug_end0:
; CHECK-NEXT: .section .debug_aranges,"",@progbits
; First CU
; CHECK: .long 44 # Length of ARange Set
; CHECK-NEXT: .long 44 # Length of ARange Set
; CHECK-NEXT: .short 2 # DWARF Arange version number
; CHECK-NEXT: .long .L.debug_info_begin0 # Offset Into Debug Info Section
; CHECK-NEXT: .byte 8 # Address Size (in bytes)