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1314 Commits

Author SHA1 Message Date
Rafael Espindola
354c82bdf5 Initialize moveTypeModule. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131157 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 21:54:59 +00:00
Rafael Espindola
6253c7ca60 Produce a __debug_frame section on darwin ARM when appropriate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131151 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 21:04:45 +00:00
Rafael Espindola
dc52ecf6fd Rename DwarfRequiresRelocationForStmtList to 
DwarfRequiresRelocationForSectionOffset as this is not specific to StmtList.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131148 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 20:35:05 +00:00
Rafael Espindola
e29887b4ee Use .cfi_sections to put the unwind info in .debug_frame when possible. With 
this clang will use .debug_frame in, for example,
clang -g -c -m32 test.c
This matches gcc's behaviour. It looks like .debug_frame is a bit bigger
than .eh_frame, but has the big advantage of not being allocated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 18:39:09 +00:00
Devang Patel
a3f486762f Do not ignore InlinedAt while walking up scope chain to find subprogram node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131106 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-09 22:14:49 +00:00
Devang Patel
31c5d05a26 Move CompileUnit::getOrCreateNameSpace() and CompileUnit::addPubType() from DwarfDebug.cpp to DwarfCompileUnit.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 16:57:54 +00:00
Rafael Espindola
af25768415 Nothing else uses this label. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130989 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 15:44:29 +00:00
Rafael Espindola
0125d50569 Yet more dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 15:31:55 +00:00
Rafael Espindola
ffa6408f9c Update comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130987 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 15:28:56 +00:00
Rafael Espindola
ba39f88d0e More dead code elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130985 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 15:22:26 +00:00
Rafael Espindola
f2b0423200 Dead code elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 14:56:22 +00:00
Rafael Espindola
97a1216581 Remove DwarfTableException. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 23:19:54 +00:00
Rafael Espindola
254784f9e0 Remove the DwarfTable enum. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 22:14:31 +00:00
Devang Patel
51a04adc5e Remove little used statistical counter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 22:00:08 +00:00
Rafael Espindola
ecf58b9e3c Implement a really simple DwarfSjLjException. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130947 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 20:48:31 +00:00
Rafael Espindola
2d57a64701 List all exception types in a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130944 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 19:48:34 +00:00
Devang Patel
d96efb83c1 If debug info for inlined function is missing then handle it gracefully. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:54:26 +00:00
Bill Wendling
087aad44cb Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 06:49:15 +00:00
Rafael Espindola
597a7664e1 Producing a DW_FORM_addr for DW_AT_stmt_list is probably correct, but 
it is both inefficient and unexpected by dwarfdump. Change to
a DW_FORM_data4.

While in here, change the predicate name to reflect that the position
is not really absolute (it is an offset), just that the linker needs a
relocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130846 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 17:44:06 +00:00
Devang Patel
a938dd0dc9 Tighten up check for empty (i.e. no meaningful debug info) module. This fixes dwarf-die2.c test case from gcc test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130842 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 16:34:02 +00:00
Devang Patel
ee4a3abede Even if the subprogram is going to use AT_specification, emit DW_AT_MIPS_linkage_name. This helps gdb and fixes var-path-expr.exp regression reported by gdb testsuite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:50:34 +00:00
Devang Patel
30692abac7 If the front end has emitted llvm.dbg.cu and other debug info anchors (clang does it now) then use them directly. This saves one scan of entire module, to collect debug info, which in turns saves few machine cycles at compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 16:45:22 +00:00
Devang Patel
c455bb7dc7 Emit debug info for global variables first. 
This works around a limitation in gdb which is reported by following inherit.exp test failures from gdb testsuite.

gdb.cp/inherit.exp: print g_vB.vB::vb
gdb.cp/inherit.exp: print g_vB.vB::vx
gdb.cp/inherit.exp: print g_vC.vC::vc
gdb.cp/inherit.exp: print g_vC.vC::vx
gdb.cp/inherit.exp: print g_vD.vB::vb
...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130702 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 18:19:17 +00:00
Rafael Espindola
e17e6c01c8 Only produce the eh_frame section if we have at least one personality function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130692 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 15:49:52 +00:00
Rafael Espindola
5426a9ee37 GCC uses a different encoding of pointers in the FDE when using 
-fno-dwarf2-cfi-asm. Implement the same behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130637 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 04:49:54 +00:00
Devang Patel
49a3ff9d17 Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries. 
PR 9810



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 18:00:54 +00:00
Rafael Espindola
ac3ba1b27e The last hack for producing bit identical output with cfi on OS X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 15:09:53 +00:00
Rafael Espindola
7b11a4cbdc Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:48:51 +00:00
Rafael Espindola
a432997745 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:14:06 +00:00
Devang Patel
c26f5447e3 Teach dwarf writer to handle complex address expression for .debug_loc entries. 
This fixes clang generated blocks' variables' debug info.
Radar 9279956.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 02:22:40 +00:00
Rafael Espindola
60246a9622 Remove unnecessary argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:17:57 +00:00
Rafael Espindola
7afec9cc0f Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, and 
give it a bit more responsibility. Also implement it for MachO.

If hacked to use cfi, 32 bit MachO will produce

.cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr

and 64 bit will produce

.cfi_presonality ___gxx_personality_v0

The general idea is that .cfi_personality gets passed the final symbol. It is
up to codegen to produce it if using indirect representation (like 32 bit
MachO), but it is up to MC to decide which relocations to create.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:08:15 +00:00
Devang Patel
e1cdf84ee5 Simplify handling of variables with complex address (i.e. blocks variables) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 22:45:24 +00:00
Devang Patel
0be77dff11 Revert r130178. It turned out to be not the optimal path to emit complex location expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130326 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 20:29:27 +00:00
Rafael Espindola
fea8fea583 Print the label if we will use it in debug_frame. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130232 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 19:26:53 +00:00
Devang Patel
116da2fbe9 Refactor code. Keep dwarf register operation selection logic at one place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130231 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 19:06:18 +00:00
Chris Lattner
bffc2b4af1 don't emit the symbol name twice for local bss and common 
symbols.  For example, don't emit:
        .comm   _i,4,2                  ## @i
                                        ## @i

instead emit:
        .comm   _i,4,2                  ## @i



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 06:14:13 +00:00
Rafael Espindola
b28d4f152e Print all the moves at a given label instead of just the first one. 
Remove previous DwarfCFI hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130187 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 03:58:56 +00:00
Devang Patel
0c99861836 Let dwarf writer allocate extra space in the debug location expression. This space, if requested, will be used for complex addresses of the Blocks' variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 00:12:46 +00:00
Devang Patel
9341d10f94 Rename a local variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:05:21 +00:00
Devang Patel
b865d46d95 Rename a method to match what it really does. 
s/addVariableAddress/addFrameVariableAddress/g


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 23:02:17 +00:00
Devang Patel
80925f5dca Do not drop a variable's complex address if it is not based on frame base. 
Observed this while reading code, so I do not have a test case handy here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130167 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-25 22:52:55 +00:00
Rafael Espindola
e54e785be5 Simplify the logic. Noticed by aKor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:55:34 +00:00
Rafael Espindola
7ed6732447 Synchronize the conditions for producing a .cfi_startproc and a .cfi_endproc. 
Fixes PR9787.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-24 19:00:34 +00:00
Devang Patel
5e06bb83f4 Let front-end tie subprogram declaration with subprogram definition directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:10:17 +00:00
Devang Patel
eac0c9dc77 Do not leak argument's DbgVariables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 18:09:57 +00:00
Devang Patel
acc381bee9 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 21:07:35 +00:00
Devang Patel
2c4b4b195f Add comment in output stream. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-21 17:50:24 +00:00
Rafael Espindola
4788c3e839 Remove unused arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129844 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-20 03:08:09 +00:00
Devang Patel
3f3bf9387b Reduce clutter in asm output. Do not emit source location as comment for each instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129715 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-18 20:26:49 +00:00