8dfee5f6bf
Remove an unnecessary cast.
...
llvm-svn: 136609
2011-08-01 12:27:15 +00:00
bbf3b0de8b
Goodbye TargetAsmInfo. This eliminate last bit of CodeGen and Target in llvm-mc.
...
There is still a bit more refactoring left to do in Targets. But we are now very
close to fixing all the layering issues in MC.
llvm-svn: 135611
2011-07-20 19:50:42 +00:00
bf904773bb
Convert TargetData::getIndexedOffset to use ArrayRef.
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llvm-svn: 135478
2011-07-19 14:01:37 +00:00
b20453faae
Add a frame with the compact unwind encoding if it exists.
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llvm-svn: 135450
2011-07-19 00:02:51 +00:00
229907cd11
land David Blaikie's patch to de-constify Type, with a few tweaks.
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llvm-svn: 135375
2011-07-18 04:54:35 +00:00
f071d72c44
Handle debug info for i128 constants.
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llvm-svn: 133821
2011-06-24 20:46:11 +00:00
6208a2fd66
Emit trailing padding on constant vectors when TargetData says that the vector
...
is larger than the sum of the elements (including per-element padding).
llvm-svn: 133631
2011-06-22 18:55:03 +00:00
6002068c13
Fix a FIXME by making GlobalVariable::getInitializer() return a
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const Constant *.
llvm-svn: 133400
2011-06-19 18:37:11 +00:00
ab20567227
Handle jump tables. Test to follow soon.
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llvm-svn: 133083
2011-06-15 21:00:28 +00:00
8a3264ad48
Revert r133004 ; it's breaking nightly tests.
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llvm-svn: 133007
2011-06-14 19:30:33 +00:00
5e85158321
Partial revert of 132882.
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Dan noted that this would work on the case shown on the commit message. I think
the case that was failing was a bb ending with a redundant conditional jump:
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jne foo
foo:
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I was unable to find any such case in the tests or in a debug build of clang,
so I will revert this part of the patch and watch the bots.
llvm-svn: 133004
2011-06-14 18:12:31 +00:00
844485af13
Implement Jakob's suggestion on how to detect fall thought without calling
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AnalyzeBranch.
llvm-svn: 132981
2011-06-14 06:08:32 +00:00
2f3c2fe7c5
Really fix the fall-through logic.
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Add a triple to the tests.
llvm-svn: 132885
2011-06-12 05:57:01 +00:00
653a07206d
Fix silly bug I introduce in the previous commit. Fixes debug builds.
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llvm-svn: 132883
2011-06-12 05:26:32 +00:00
defd4b0875
AnalyzeBranch doesn't change which successors a bb has, just the order
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we try to branch to them.
Before we were creating successor lists with duplicated entries. Fixing that
found a bug in isBlockOnlyReachableByFallthrough that would causes it to
return the wrong answer for
-----------
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jne foo
jmp bar
foo:
----------
llvm-svn: 132882
2011-06-12 03:20:32 +00:00
b90a43d266
Ensure that EmitGlobalVariable is correctly differentiating between declarations
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and definitions when emitting global variables. This was causing global
declarations to be emitted as if they were definitions.
Fixes <rdar://problem/9429892>.
llvm-svn: 132825
2011-06-10 00:53:15 +00:00
5638b9f01e
When generating code for Win64 EH, emit StartProc and EndProc directives.
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llvm-svn: 132250
2011-05-28 04:21:04 +00:00
836f7db2cc
Fix the root cause of the bootstrap failure:
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There was no way to check if a given register/mode pair was valid. We now return
an error code (-2) instead of asserting. If anyone thinks that an assert
at this point is really needed, we can autogen a hasValidDwarfRegNum instead.
llvm-svn: 132236
2011-05-28 00:13:01 +00:00
91ed799eb4
Stub out support for Win64-style exceptions. Note that this is merely using
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the Win64 EH mechanism to implement GCC-style exceptions. LLVM supports
hardly anything else at this point!
llvm-svn: 132234
2011-05-27 23:47:32 +00:00
b8e08be77d
Fix a regression I recently introduced by removing DwarfRegNum of
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subregisters:
When a value is in a subregister, at least report the location as being
the superregister. We should extend the .td files to encode the bit
range so that we can produce a DW_OP_bit_piece.
llvm-svn: 132224
2011-05-27 22:15:01 +00:00
d23bfb8a7a
Make size computation less brittle.
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llvm-svn: 132222
2011-05-27 22:05:41 +00:00
fc9bae6f8b
Replace the -unwind-tables option with a per function flag. This is more
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LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.
llvm-svn: 132033
2011-05-25 03:44:17 +00:00
19c1a56287
Produce a __debug_frame section on darwin ARM when appropriate.
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llvm-svn: 131151
2011-05-10 21:04:45 +00:00
fdc3e6fab6
Use .cfi_sections to put the unwind info in .debug_frame when possible. With
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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.
llvm-svn: 131140
2011-05-10 18:39:09 +00:00
705d25a1f4
Nothing else uses this label.
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llvm-svn: 130989
2011-05-06 15:44:29 +00:00
a716096677
Dead code elimination.
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llvm-svn: 130984
2011-05-06 14:56:22 +00:00
ec0a3a0bbf
Remove the DwarfTable enum.
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llvm-svn: 130959
2011-05-05 22:14:31 +00:00
59b6bfdbc6
Implement a really simple DwarfSjLjException.
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llvm-svn: 130947
2011-05-05 20:48:31 +00:00
240c96e2ca
List all exception types in a switch.
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llvm-svn: 130944
2011-05-05 19:48:34 +00:00
124ae13421
Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries.
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PR 9810
llvm-svn: 130518
2011-04-29 18:00:54 +00:00
b7a012a282
Factor some code to needsCFIMoves. Avoid printing moves when we don't have to.
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llvm-svn: 130501
2011-04-29 14:14:06 +00:00
3e021533cd
Teach dwarf writer to handle complex address expression for .debug_loc entries.
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This fixes clang generated blocks' variables' debug info.
Radar 9279956.
llvm-svn: 130373
2011-04-28 02:22:40 +00:00
e3745fdcf3
Revert r130178. It turned out to be not the optimal path to emit complex location expressions.
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llvm-svn: 130326
2011-04-27 20:29:27 +00:00
a4fa5ce911
Print the label if we will use it in debug_frame.
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llvm-svn: 130232
2011-04-26 19:26:53 +00:00
189ca1498f
don't emit the symbol name twice for local bss and common
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symbols. For example, don't emit:
.comm _i,4,2 ## @i
## @i
instead emit:
.comm _i,4,2 ## @i
llvm-svn: 130192
2011-04-26 06:14:13 +00:00
80cb3cb1d6
Print all the moves at a given label instead of just the first one.
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Remove previous DwarfCFI hack.
llvm-svn: 130187
2011-04-26 03:58:56 +00:00
cae2fbd6fc
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.
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llvm-svn: 130178
2011-04-26 00:12:46 +00:00
2266aa84a1
Refactor.
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llvm-svn: 129938
2011-04-21 21:07:35 +00:00
17740e70d5
Reduce clutter in asm output. Do not emit source location as comment for each instruction.
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llvm-svn: 129715
2011-04-18 20:26:49 +00:00
beb74c3f00
Some refactoring suggested by Anton Korobeynikov.
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llvm-svn: 129600
2011-04-15 20:32:03 +00:00
a01cdb0e37
Add 129518 back with a fix for when we are producing eh just because of debug info.
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Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.
llvm-svn: 129571
2011-04-15 15:11:06 +00:00
b5e3e9dd27
Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the"
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It broke several builds.
llvm-svn: 129557
2011-04-15 03:35:57 +00:00
aa2a7cd828
Change ELF systems to use CFI for producing the EH tables. This reduces the
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size of the clang binary in Debug builds from 690MB to 679MB.
llvm-svn: 129518
2011-04-14 15:18:53 +00:00
7dd4d6e2e8
Print visibility info for external variables.
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llvm-svn: 128887
2011-04-05 15:51:32 +00:00
1900c73a97
Tidy up. 80 columns and trailing whitespace.
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llvm-svn: 128504
2011-03-29 23:20:22 +00:00
a7ec2dcefd
Some first rudimentary support for ARM EHABI: print exception table in "text mode".
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llvm-svn: 127099
2011-03-05 18:43:15 +00:00
bf83659d11
Omit private_extern declarations of extern symbols; followup to
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r124468. Patch by Rafael Avila de Espindola!
llvm-svn: 126297
2011-02-23 02:27:05 +00:00
75b5d27b84
Spelling fix: consequtive -> consecutive.
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llvm-svn: 125563
2011-02-15 09:23:02 +00:00
6d4d8581bc
Assert on bad jump tables.
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llvm-svn: 125225
2011-02-09 21:52:06 +00:00
6c17d54891
Print the visibility of declarations.
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llvm-svn: 124468
2011-01-28 03:20:10 +00:00
Jay Foad