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Author SHA1 Message Date
Eli Friedman
5cd755549b PR9998: ashr exact %x, 31 is not equivalent to sdiv exact %x, -2147483648. 
llvm-svn: 132097
 2011-05-25 23:26:20 +00:00
Devang Patel
7e814e1e36 Remove unused statistical counter. 
llvm-svn: 132087
 2011-05-25 21:55:40 +00:00
Cameron Zwarich
9c19995747 Convert tBX_CALL / tBXr9_CALL to actual pseudoinstructions. 
llvm-svn: 132086
 2011-05-25 21:53:50 +00:00
Charles Davis
ede0f07dae Add tests for .seh_setframe and .seh_handlerdata parsing. Fix issues with 
them.

I had to add a special SwitchSectionNoChange method to MCStreamer just for
.seh_handlerdata. If this isn't OK, please let me know, and I'll find some
other way to fix .seh_handlerdata streaming.

llvm-svn: 132084
 2011-05-25 21:43:45 +00:00
Eric Christopher
e02bd15dbc Clean up comment a bit. 
llvm-svn: 132083
 2011-05-25 21:19:19 +00:00
Eric Christopher
807da21e47 Implement the 'm' modifier. Note that it only works for memory operands. 
Part of rdar://9119939

llvm-svn: 132081
 2011-05-25 20:51:58 +00:00
Akira Hatanaka
4806508364 Remove MipsTargetLowering::LowerFP_TO_SINT. Patterns for fp_to_sint have already 
been defined in MipsInstrFPU.td.

llvm-svn: 132076
 2011-05-25 20:08:05 +00:00
Akira Hatanaka
32b5043265 Custom-lower FCOPYSIGN nodes. 
llvm-svn: 132074
 2011-05-25 19:32:07 +00:00
Eli Friedman
2bdd096540 Prepare ARMFastISel::SelectSIToFP for getRegForValue returning registers for i8 and i16 values. 
llvm-svn: 132073
 2011-05-25 19:09:45 +00:00
Evan Cheng
335fcad6bc Simplify r132022 based on Cameron's feedback. 
llvm-svn: 132071
 2011-05-25 18:17:13 +00:00
Akira Hatanaka
ae2e2d557a Update MaxCallFrameSize regardless of the relocation model selected. 
llvm-svn: 132070
 2011-05-25 18:08:32 +00:00
Akira Hatanaka
953e0a3c45 Change initial value of MaxCallFrameSize. MipsFI::getMaxCallFrameSize() should 
return 0 if there are no function calls made. 

llvm-svn: 132065
 2011-05-25 17:52:48 +00:00
Akira Hatanaka
33415b8179 Coding style fixes. Added comments. 
llvm-svn: 132063
 2011-05-25 17:32:06 +00:00
Francois Pichet
b2042fbfe2 Remove unused OpcodeMask enumerator. 
llvm-svn: 132062
 2011-05-25 17:02:53 +00:00
Francois Pichet
b8f50b86bc Fix 3 MSVC warnings: 
'void (__cdecl *)()' differs in parameter lists from 'void (__cdecl *)(void)'

atexit really expects a "void f(void)" function.

llvm-svn: 132061
 2011-05-25 16:32:33 +00:00
Francois Pichet
fab3c58733 Fix MSVC warning: "is out of range for enum constant" 
MSVC doesn't support 64 bit enum. 
OpcodeMask is not used anywhere in the code base.

llvm-svn: 132057
 2011-05-25 15:58:10 +00:00
Rafael Espindola
84604c0b6c Fix some issues Duncan found in the previous commit. 
I kept the reference to the ABI since that is the common case. The
-fno-asynchronous-unwind-tables option is a user controlled way of breaking
the ABI.

llvm-svn: 132053
 2011-05-25 12:54:08 +00:00
Frits van Bommel
271d62cbd3 Fix warning in the CMake build about redefining LLVM_PATH_XDOT_PY by making sure both definitions are identical. This used to produce warnings like 
In file included from .../llvm/trunk/tools/lto/LTOCodeGenerator.cpp:45:
In file included from .../llvm/trunk/include/llvm/Support/system_error.h:225:
.../include/llvm/Config/config.h:591:9: warning: 'LLVM_PATH_XDOT_PY' macro redefined
#define LLVM_PATH_XDOT_PY ".../bin/xdot.py"
        ^
.../include/llvm/Config/llvm-config.h:98:9: note: previous definition is here
#define LLVM_PATH_XDOT_PY ""
        ^
1 warning generated.

(Paths edited for clarity)

Note: This only affected people who had xdot.py installed.
llvm-svn: 132050
 2011-05-25 06:32:23 +00:00
Argyrios Kyrtzidis
f5fe5499f9 [tablegen] A couple of changes to ClangDiagnosticEmmitter. 
-Emit an empty warning option as string ("") instead of 0.
-For diagnostic names also emit the size of the string.

llvm-svn: 132046
 2011-05-25 05:04:22 +00:00
Charles Davis
6b67ee5130 Add tests for .seh_savereg and .seh_savexmm parsing. Once again, fix the 
buggy methods that parse these directives.

llvm-svn: 132045
 2011-05-25 04:51:25 +00:00
Cameron Zwarich
5c410bd5f6 Restore an accidentally removed comment. 
llvm-svn: 132044
 2011-05-25 04:48:17 +00:00
Cameron Zwarich
4f47b296d8 Move some code to a more logical place. 
llvm-svn: 132043
 2011-05-25 04:45:29 +00:00
Cameron Zwarich
beae5f20e8 Make tTAILJMPr/tTAILJMPrND emit a tBX without a preceding MOV of PC to LR. This 
fixes <rdar://problem/9495913>

llvm-svn: 132042
 2011-05-25 04:45:27 +00:00
Cameron Zwarich
5a32e53e3f Change the order of tBX's operands so that the predicate operands come after the 
target register, matching BX. I filed this bug because I was confused at first:

PR10007 - ARM branch instructions have inconsistent predicate operand placement
<http://llvm.org/bugs/show_bug.cgi?id=10007>

llvm-svn: 132041
 2011-05-25 04:45:23 +00:00
Cameron Zwarich
08753a605b Rename tBX_Rm to tBX. 
llvm-svn: 132040
 2011-05-25 04:45:20 +00:00
Cameron Zwarich
d9707488bb Rename the existing tBX/tBXr9 instructions to tBX_CALL/tBXr9_CALL to better 
reflect their actual meaning and match the ARM instructions.

llvm-svn: 132039
 2011-05-25 04:45:14 +00:00
Andrew Trick
0aa40b2f8f indvars: fixed IV cloning in -disable-iv-rewrite mode with associated 
cleanup and overdue test cases.

llvm-svn: 132038
 2011-05-25 04:42:22 +00:00
Charles Davis
14a32a9608 Add a test for .seh_pushframe parsing. Fix the bug exposed by it (and another 
one I found by inspection).

llvm-svn: 132037
 2011-05-25 04:08:15 +00:00
Rafael Espindola
70213c7c5f Replace the -unwind-tables option with a per function flag. This is more 
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
Akira Hatanaka
a5b11ee449 Fix lowering of DYNAMIC_STACKALLOC nodes. 
llvm-svn: 132030
 2011-05-25 02:20:00 +00:00
Charles Davis
967ee6a30b Add a test for the .seh_handler directive. Fix problems with the parsing 
method exposed by the test. While we're at it, simplify the .seh_proc
parsing method.

llvm-svn: 132028
 2011-05-25 01:33:42 +00:00
Bruno Cardoso Lopes
3a4aae57f4 Fix PR9762 
Enable the parsing of the operand "cpsr_all" for the ARM msr instruction

llvm-svn: 132026
 2011-05-25 00:35:03 +00:00
Evan Cheng
d359a7cab3 Forgot dyn_cast check. 
llvm-svn: 132025
 2011-05-24 23:47:50 +00:00
Eric Christopher
4f193f9555 Implement the arm 'L' asm modifier. 
Part of rdar://9119939

llvm-svn: 132024
 2011-05-24 23:27:13 +00:00
Eric Christopher
a6d7ccb170 Implement the immediate part of the 'B' modifier. 
Part of rdar://9119939

llvm-svn: 132023
 2011-05-24 23:15:43 +00:00
Evan Cheng
9466b36c02 Fix LoopUnswitch bug. RewriteLoopBodyWithConditionConstant can delete a dead 
case of a switch instruction. Back off this optimization when this would
eliminate all of the predecessors to the latch.

Sorry, I am unable to reduce a reasonably sized test case.

rdar://9486843

llvm-svn: 132022
 2011-05-24 23:12:57 +00:00
Eric Christopher
4783e5e316 Add more unimplemented asm modifiers and some documentation of what they 
do.

Part of rdar://9119939.

llvm-svn: 132015
 2011-05-24 22:27:43 +00:00
Eric Christopher
03965fa3b6 Add support for the arm 'y' asm modifier. 
Fixes part of rdar://9444657

llvm-svn: 132011
 2011-05-24 22:10:34 +00:00
Dan Gohman
f2c4a47575 Update documentation: -basicaa does chaining these days. 
llvm-svn: 132010
 2011-05-24 22:01:32 +00:00
Akira Hatanaka
4ef318f1e1 Test case for r132003. 
llvm-svn: 132005
 2011-05-24 21:28:18 +00:00
Charles Davis
d943eb05ed Test basic SEH directive-parsing functionality. Fix a latent bug exposed by 
this test.

llvm-svn: 132004
 2011-05-24 21:22:53 +00:00
Akira Hatanaka
161f211628 Enable printing of immediates that do not fit in 16-bit. .cprestore can have 
offsets that are larger than 0x10000.

llvm-svn: 132003
 2011-05-24 21:22:21 +00:00
Eli Friedman
654dd382bc Change condition for determining whether a function is small for inlining metrics so that very long functions 
with few basic blocks are not re-analyzed.

llvm-svn: 131994
 2011-05-24 20:22:24 +00:00
Charles Davis
1084ac5bb1 Implement the rest of the SEH directive-parsing methods in the COFFAsmParser. 
Add a size alignment check to the .seh_stackalloc directive parser. Add a
more descriptive error message to the .seh_handler directive parser.

Add methods to the TargetAsmInfo struct in support of all this.

llvm-svn: 131992
 2011-05-24 20:06:30 +00:00
Akira Hatanaka
21f003a8d4 Fix test case. 
llvm-svn: 131988
 2011-05-24 19:37:15 +00:00
Akira Hatanaka
98951fd8b5 Revision 131986 test case. 
llvm-svn: 131987
 2011-05-24 19:29:37 +00:00
Akira Hatanaka
f4c853e3e4 Implement byval structure argument passing. The following limitations or 
deficiencies exist:

- Works only if ABI is o32.
- Zero-sized structures cannot be passed.
- There is a lot of redundancy in generated code.

llvm-svn: 131986
 2011-05-24 19:18:33 +00:00
Eli Friedman
5ae1b40f55 Make instcombine O(N) instead of O(N^2) in code where the same simplifiable constant is used many times. 
Part of rdar://9471075.

llvm-svn: 131979
 2011-05-24 18:52:07 +00:00
Devang Patel
0b44360610 Remove dead code. 
llvm-svn: 131974
 2011-05-24 18:27:52 +00:00
Cameron Zwarich
4b2cea31e8 Fix "make check" in Release by removing debug-only options from an 'opt' invocation. 
llvm-svn: 131972
 2011-05-24 18:26:09 +00:00