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Disable emission of aranges by default and add a command line

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option to enable again that will be matched with a commit to enable
in clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201378 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-02-14 01:26:55 +00:00
parent 5cb9925acd
commit 5483012b4d
6 changed files with 12 additions and 8 deletions
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8
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@@ -67,6 +67,11 @@ GenerateGnuPubSections("generate-gnu-dwarf-pub-sections", cl::Hidden,
cl::desc("Generate GNU-style pubnames and pubtypes"), cl::desc("Generate GNU-style pubnames and pubtypes"),
cl::init(false)); cl::init(false));
static cl::opt<bool> GenerateARangeSection("generate-arange-section",
cl::Hidden,
cl::desc("Generate dwarf aranges"),
cl::init(false));
namespace { namespace {
enum DefaultOnOff { Default, Enable, Disable }; enum DefaultOnOff { Default, Enable, Disable };
} }
@@ -1154,7 +1159,8 @@ void DwarfDebug::endModule() {
emitDebugLoc(); emitDebugLoc();
// Emit info into a debug aranges section. // Emit info into a debug aranges section.
emitDebugARanges(); if (GenerateARangeSection)
emitDebugARanges();
// Emit info into a debug ranges section. // Emit info into a debug ranges section.
emitDebugRanges(); emitDebugRanges();

4
test/DebugInfo/X86/arange.ll
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@@ -1,7 +1,7 @@
; REQUIRES: object-emission ; REQUIRES: object-emission
; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=aranges - | FileCheck %s ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj -generate-arange-section < %s | llvm-dwarfdump -debug-dump=aranges - | FileCheck %s
; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-readobj --relocations - | FileCheck --check-prefix=OBJ %s ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj -generate-arange-section < %s | llvm-readobj --relocations - | FileCheck --check-prefix=OBJ %s
; extern int i; ; extern int i;
; template<int *x> ; template<int *x>

2
test/DebugInfo/X86/dwarf-aranges-no-dwarf-labels.ll
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@@ -1,4 +1,4 @@
; RUN: llc < %s | FileCheck %s ; RUN: llc -generate-arange-section < %s | FileCheck %s
; CHECK: .short 2 # DWARF Arange version number ; CHECK: .short 2 # DWARF Arange version number
; CHECK: # Segment Size ; CHECK: # Segment Size

2
test/DebugInfo/X86/dwarf-aranges.ll
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@@ -1,4 +1,4 @@
; RUN: llc < %s | FileCheck %s ; RUN: llc -generate-arange-section < %s | FileCheck %s
; -- header -- ; -- header --

2
test/DebugInfo/X86/fission-cu.ll
View File

@@ -110,7 +110,5 @@
; OBJ-NEXT: R_X86_64_32 .debug_addr ; OBJ-NEXT: R_X86_64_32 .debug_addr
; OBJ-NEXT: R_X86_64_32 .debug_str ; OBJ-NEXT: R_X86_64_32 .debug_str
; OBJ-NEXT: } ; OBJ-NEXT: }
; OBJ: .debug_aranges
; OBJ-NEXT: R_X86_64_32 .debug_info 0x0
!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} !9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}

2
test/DebugInfo/X86/multiple-aranges.ll
View File

@@ -1,4 +1,4 @@
; RUN: llc < %s | FileCheck %s ; RUN: llc -generate-arange-section < %s | FileCheck %s
; First CU ; First CU
; CHECK: .long 44 # Length of ARange Set ; CHECK: .long 44 # Length of ARange Set