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Accepting request 148803 from devel:tools:compiler

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pr13303 fix was temporarily reverted upstream and is not in 3.2
 (forwarded request 148801 from llunak)

OBS-URL: https://build.opensuse.org/request/show/148803
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/llvm?expand=0&rev=41
This commit is contained in:
Stephan Kulow 2013-01-21 16:39:05 +00:00 committed by Git OBS Bridge
commit 55dab0399e
3 changed files with 76 additions and 0 deletions
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5
llvm.changes
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@ -1,3 +1,8 @@
-------------------------------------------------------------------
Wed Jan 16 18:38:01 UTC 2013 - llunak@suse.com
- pr13303.patch: reapply, was temporarily reverted upstream
-------------------------------------------------------------------
Fri Jan 11 11:56:09 UTC 2013 - idonmez@suse.com

3
llvm.spec
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@ -46,6 +46,8 @@ Patch7: disable_neon_in_armv7.diff
Patch8: python-ulimit.patch
Patch9: pr14795.patch
Patch10: pr14831.patch
# PATCH-FIX-UPSTREAM pr13303.patch
Patch11: pr13303.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-build
BuildRequires: autoconf
BuildRequires: automake
@ -145,6 +147,7 @@ This package contains vim plugins for LLVM like syntax highlighting.
%patch8 -p1
%patch9 -p0
%patch10 -p0
%patch11 -p1
# We hardcode i586
rm tools/clang/test/Driver/x86_features.c

68
pr13303.patch Normal file
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@ -0,0 +1,68 @@
commit b36c531653913cdea211a25d45350e8b5bfbd262
Author: David Blaikie <dblaikie@gmail.com>
Date: Tue Dec 4 21:05:36 2012 +0000
Reapply r160148 (reverted in r163570) fixing spurious breakpoints in modern GDB
This reapplies the fix for PR13303 now with more justification. Based on my
execution of the GDB 7.5 test suite this results in:
expected passes: 16101 -> 20890 (+30%)
unexpected failures: 4826 -> 637 (-77%)
There are 23 checks that used to pass and now fail. They are all in
gdb.reverse. Investigating a few looks like they were accidentally passing
due to extra breakpoints being set by this bug. They're generally due to the
difference in end location between gcc and clang, the test suite is trying to
set breakpoints on the closing '}' that clang doesn't associate with any
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index d008f0b..3276575 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1511,7 +1511,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
MF->getFunction()->getContext());
recordSourceLine(FnStartDL.getLine(), FnStartDL.getCol(),
FnStartDL.getScope(MF->getFunction()->getContext()),
- 0);
+ DWARF2_FLAG_IS_STMT);
}
}
diff --git a/test/DebugInfo/X86/pr13303.ll b/test/DebugInfo/X86/pr13303.ll
new file mode 100644
index 0000000..e820cb5
--- /dev/null
+++ b/test/DebugInfo/X86/pr13303.ll
@@ -0,0 +1,28 @@
+; RUN: llc %s -o %t -filetype=obj -mtriple=x86_64-unknown-linux-gnu
+; RUN: llvm-dwarfdump %t | FileCheck %s
+; PR13303
+
+; Check that the prologue ends with is_stmt here.
+; CHECK: 0x0000000000000000 {{.*}} is_stmt
+
+define i32 @main() nounwind uwtable {
+entry:
+ %retval = alloca i32, align 4
+ store i32 0, i32* %retval
+ ret i32 0, !dbg !10
+}
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"PR13303.c", metadata !"/home/probinson", metadata !"clang version 3.2 (trunk 160143)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/home/probinson/PR13303.c] [DW_LANG_C99]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"main", metadata !"main", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 ()* @main, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [main]
+!6 = metadata !{i32 786473, metadata !"PR13303.c", metadata !"/home/probinson", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!8 = metadata !{metadata !9}
+!9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!10 = metadata !{i32 1, i32 14, metadata !11, null}
+!11 = metadata !{i32 786443, metadata !5, i32 1, i32 12, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/home/probinson/PR13303.c]