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Author SHA1 Message Date
Eli Friedman
043fa7cc86 Add new atomic instructions to SCCP. No functional change, but stops debug spam. 
llvm-svn: 136723
 2011-08-02 21:35:16 +00:00
Nick Lewycky
2f04a6b411 Lifetime intrinsics on undef are dead. 
llvm-svn: 136722
 2011-08-02 21:19:27 +00:00
Chad Rosier
f2c22fe8eb Update the default bug report url in autoconf. 
llvm-svn: 136721
 2011-08-02 20:53:43 +00:00
Chris Lattner
a780c5c9f1 no need to count the terminators. 
llvm-svn: 136718
 2011-08-02 20:29:13 +00:00
Rafael Espindola
cefc38659a Assume .cfi_startproc is the first thing in a function. If the function is 
externally visable, create a local symbol to use in the CFE. If not, use the
function label itself.

Fixes PR10420.

llvm-svn: 136716
 2011-08-02 20:24:22 +00:00
Eli Friedman
d185fa3deb Don't create a ridiculous EXTRACT_ELEMENT. PR10563. 
The testcase looks extremely fragile, so I'm adding an assertion which should catch any cases like this.

llvm-svn: 136711
 2011-08-02 18:38:35 +00:00
Owen Anderson
48156a8b45 Fix the broken encodings for the VFP vmov.f32 and vmov.f64 instructions, as well as the comments that explain them incorrectly. 
llvm-svn: 136707
 2011-08-02 18:30:00 +00:00
Jim Grosbach
ccb9f07844 Tidy up. 80 columns. 
llvm-svn: 136705
 2011-08-02 18:16:36 +00:00
Jim Grosbach
138b79f1ea ARM: rename addrmode7 to addr_offset_none. 
Use a more descriptive name so the code is more self-documenting.

llvm-svn: 136704
 2011-08-02 18:07:32 +00:00
Roman Divacky
c2f4208960 Comment out the PPC relocation offset adjustment. It must be done differently. 
This unbreaks some tests.

llvm-svn: 136692
 2011-08-02 16:15:32 +00:00
Bruno Cardoso Lopes
ac0984dc7e Make this kind of lowering to be supported by 256-bit instructions: 
shuffle (scalar_to_vector (load (ptr + 4))), undef, <0, 0, 0, 0>
To:
  shuffle (vload ptr)), undef, <1, 1, 1, 1>
Fix PR10494

llvm-svn: 136691
 2011-08-02 16:06:18 +00:00
Roman Divacky
126f9bf639 Remove trailing semicolon. 
llvm-svn: 136690
 2011-08-02 15:54:03 +00:00
Roman Divacky
7453a0dcd6 Sketch out PowerPC ELF writer. This is enough to get clang -integrated-as 
to compile a working hello world on FreeBSD/PPC32.

llvm-svn: 136689
 2011-08-02 15:51:38 +00:00
Bill Wendling
ea8143f430 Duncan's english is better than mine. :-) 
llvm-svn: 136684
 2011-08-02 06:39:13 +00:00
Bill Wendling
b37af02067 Remove the LLVMBuildUnwind C API function. 
The 'unwind' function is going away with the new EH rewrite. This is step 0 in
keeping front-ends from using it.

llvm-svn: 136683
 2011-08-02 06:20:17 +00:00
Andrew Trick
86f6a3c645 Use consistent terminology for loop exit/exiting blocks. Name change only. 
llvm-svn: 136677
 2011-08-02 04:23:35 +00:00
Benjamin Kramer
5aff5a9498 Remove empty test. 
llvm-svn: 136675
 2011-08-02 02:47:45 +00:00
Owen Anderson
1d291c9425 Revert r136503 and r136480 in an effort to fix non-determinism in the llvm-gcc buildbots on i386. Devang is looking into the root cause. 
llvm-svn: 136674
 2011-08-02 02:23:42 +00:00
John McCall
fcf5d9ff74 I am the code owner for Clang's IR generation; this has been true 
for awhile, but it's good to make this official.  

Just to be clear, Doug and Ted "elected" me to this position.

Might as well add myself to the credits list while I'm at it.

llvm-svn: 136673
 2011-08-02 01:38:19 +00:00
Eli Friedman
22875e2d35 Minor wording tweak for memory model. 
llvm-svn: 136668
 2011-08-02 01:15:34 +00:00
Eli Friedman
564f52b2bf Fix a couple silly typos in IRBuilder in the new atomic instructions. 
llvm-svn: 136665
 2011-08-02 00:45:35 +00:00
Nick Lewycky
3a0577c3fa Bail from FastISel when we encounter a volatile memset intrinsic. Patch by Ivan 
Krasin!

llvm-svn: 136663
 2011-08-02 00:40:16 +00:00
Owen Anderson
00a562a5c5 Make the FixedLengthDecoderEmitter smart enough to autogenerate decoders for encodings like "let Inst{11-7} = foo;", where the RHS has no bitwidth specifiers. 
llvm-svn: 136660
 2011-08-01 22:45:43 +00:00
Jim Grosbach
03f50df742 Move imm0_255 to ARMInstrInfo.td with the other immediate predicates. 
llvm-svn: 136656
 2011-08-01 22:02:20 +00:00
Jim Grosbach
a6bafab131 Fix comments. 
llvm-svn: 136655
 2011-08-01 21:55:12 +00:00
Bruno Cardoso Lopes
771876cade Add v4f64 -> v2f32 fp_round support. Also add a testcase to exercise 
the legalizer. This commit together with the two previous ones fixes
PR10495.

llvm-svn: 136654
 2011-08-01 21:54:09 +00:00
Bruno Cardoso Lopes
0db437e0d6 Teach PreprocessISelDAG to be aware of vector types and to not process them. 
llvm-svn: 136653
 2011-08-01 21:54:05 +00:00
Bruno Cardoso Lopes
b7ea699afa Lower CONCAT_VECTORS to use two VINSERTF128 instructions instead of 
using a stack store.

llvm-svn: 136652
 2011-08-01 21:54:02 +00:00
Roman Divacky
cda7c35eaf Fix a typo. 
llvm-svn: 136646
 2011-08-01 20:38:27 +00:00
Owen Anderson
167040246a The FixedLenDecoder needs to gracefully handle failing per-instruction decoder hooks in addition to per-operand decoder hooks. 
llvm-svn: 136645
 2011-08-01 20:06:49 +00:00
Chandler Carruth
38c8c22382 Actually finish switching to the new system for Target sublibrary 
TableGen deps introduced in r136023. This completes the fixing that
dgregor started in r136621. Sorry for missing these the first time
around.

This should fix some of the random race-condition failures people are
still seeing with CMake.

llvm-svn: 136643
 2011-08-01 19:55:11 +00:00
Bruno Cardoso Lopes
d3a5171087 Since vectors with all ones can't be created with a 256-bit instruction, 
avoid returning early for v8i32 types, which would only be valid for
vector with all zeros. Also split the handling of zeros and ones into separate
checking logic since they are handled differently. This fixes PR10547

llvm-svn: 136642
 2011-08-01 19:51:53 +00:00
Evan Cheng
2ff9ac5c22 Set endianess and pointer size for PPC Linux. Bug noticed by Roman Divacky. 
llvm-svn: 136639
 2011-08-01 19:43:05 +00:00
Jakub Staszak
5a47c78397 Change SmallVector to SmallPtrSet in BranchProbabilityInfo. Handle cases where 
one than one successor goes to the same block.

llvm-svn: 136638
 2011-08-01 19:16:26 +00:00
Owen Anderson
703d9b30bf Enhance the fixed length disassembler to better handle operand decoding failures. 
llvm-svn: 136635
 2011-08-01 18:44:37 +00:00
Owen Anderson
4ee266955a Add a clear() operation to MCInst, to drop all of its operands. Useful for the disassembler, where we may realize fairly late into decoding that something is wrong and need to reset. 
llvm-svn: 136634
 2011-08-01 18:43:18 +00:00
Richard Osborne
2cd07cf351 Fix crash with varargs function with no named parameters. 
llvm-svn: 136623
 2011-08-01 16:45:59 +00:00
Douglas Gregor
1c34b16e1a Update CMake target names for tablegen-generated data in the X86 and ARM targets. This should fix the CMake build with MSVC. 
llvm-svn: 136621
 2011-08-01 16:29:27 +00:00
Jakub Staszak
db23d8b195 Add BlockFrequency::getEntryFrequency() 
llvm-svn: 136618
 2011-08-01 15:22:10 +00:00
Jay Foad
8a07eadb04 Add braces. 
llvm-svn: 136612
 2011-08-01 12:48:54 +00:00
Jay Foad
cf38f986e3 Simplify printAlias. 
llvm-svn: 136611
 2011-08-01 12:29:14 +00:00
Jay Foad
5001a9966f Micro-optimisation in getAliasedGlobal. 
llvm-svn: 136610
 2011-08-01 12:28:01 +00:00
Jay Foad
d0e1227c96 Remove an unnecessary cast. 
llvm-svn: 136609
 2011-08-01 12:27:15 +00:00
Jay Foad
f5b5b93126 The operands of a GlobalAlias are always Constants. Simplify things 
accordingly.

llvm-svn: 136608
 2011-08-01 12:20:36 +00:00
Chandler Carruth
ad763ae648 I mis-interpreted the MCDisassembler's intended dependencies. Now to fix 
them properly. Specifically, the disassembler clearly attempts to
initialiaze all TargetInfo, MCTargeDesc, AsmParser, and Disassembler
sublibraries of registered targets. This makes the CMakeLists accurately
reflect this intent in the code.

This should fix the last of the link errors that I have gotten reports
of on OS X, but if anyone continues to see link errors, continue to
pester me and I'll look into it.

llvm-svn: 136603
 2011-07-31 22:00:40 +00:00
Bill Wendling
108ce4478d Fix some validation errors. 
llvm-svn: 136591
 2011-07-31 06:47:33 +00:00
Bill Wendling
3f24afed54 Fix some validation errors. 
llvm-svn: 136590
 2011-07-31 06:45:03 +00:00
Bill Wendling
8a625cebd2 Add the 'resume' instruction for the new EH rewrite. 
This adds the 'resume' instruction class, IR parsing, and bitcode reading and
writing. The 'resume' instruction resumes propagation of an existing (in-flight)
exception whose unwinding was interrupted with a 'landingpad' instruction (to be
added later).

llvm-svn: 136589
 2011-07-31 06:30:59 +00:00
Jakub Staszak
8f686498df Do not handle cases with >= and <= predicates. 
llvm-svn: 136588
 2011-07-31 05:54:04 +00:00
Jakub Staszak
0fe2246aab Remove untrue comment. 
llvm-svn: 136587
 2011-07-31 04:51:14 +00:00