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12395 Commits

Author SHA1 Message Date
NAKAMURA Takumi
16a2bf5caf Reapply r127073(partially): Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO). 
On mingw and python/w32, lit would not be expected to understand MSYS-style path.

llvm-svn: 127239
 2011-03-08 12:25:10 +00:00
Bill Wendling
758fb90678 Testcase for r127187. 
llvm-svn: 127236
 2011-03-08 10:27:58 +00:00
Devang Patel
c4e4244654 While sinking an instruction, do not lose llvm.dbg.value intrinsic. 
llvm-svn: 127214
 2011-03-08 03:06:19 +00:00
Bill Wendling
0e4923ebe5 A few more tests for instruction encodings. 
llvm-svn: 127209
 2011-03-08 02:51:48 +00:00
Eric Christopher
72d7cc25f3 Turn on list-ilp scheduling by default on x86 and x86-64, fix up 
testcases accordingly. Some are currently xfailed and will be filed
as bugs to be fixed or understood.

Performance results:

roughly neutral on SPEC
some micro benchmarks in the llvm suite are up between 100 and 150%, only
a pair of regressions that are due to be investigated

john-the-ripper saw:
10% improvement in traditional DES
8% improvement in BSDI DES
59% improvement in FreeBSD MD5
67% improvement in OpenBSD Blowfish
14% improvement in LM DES

Small compile time impact.

llvm-svn: 127208
 2011-03-08 02:42:25 +00:00
Bob Wilson
f8c4d1ded9 Fix a compiler crash where a Glue value had multiple uses. Radar 9049552. 
llvm-svn: 127198
 2011-03-08 01:17:20 +00:00
Bill Wendling
958e854f40 Rename the narrow shift right immediate operands to "shr_imm*" operands. Also 
expand the testing of the narrowing shift right instructions.

No functionality change.

llvm-svn: 127193
 2011-03-07 23:38:41 +00:00
Devang Patel
2649e83214 Preserve line no. info. 
Radar 9097659

llvm-svn: 127182
 2011-03-07 22:43:45 +00:00
Rafael Espindola
864a710c16 Add test for r127138. 
llvm-svn: 127172
 2011-03-07 21:28:14 +00:00
Nick Lewycky
fad3512a9a Tweak this test. We can analyze what happens and show that we still do the 
right thing, instead of merely being unable to analyze and the transform
doesn't occur.

llvm-svn: 127149
 2011-03-07 02:10:18 +00:00
Nick Lewycky
2cbaf887bb Add more analysis of the sign bit of an srem instruction. If the LHS is negative 
then the result could go either way. If it's provably positive then so is the
srem. Fixes PR9343 #7!

llvm-svn: 127146
 2011-03-07 01:50:10 +00:00
Nick Lewycky
46bb763f35 ConstantInt has some getters which return ConstantInt's or ConstantVector's of 
the value splatted into every element. Extend this to getTrue and getFalse which
by providing new overloads that take Types that are either i1 or <N x i1>. Use
it in InstCombine to add vector support to some code, fixing PR8469!

llvm-svn: 127116
 2011-03-06 03:36:19 +00:00
Jakob Stoklund Olesen
d415589edc Revert r127073: "Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO)." 
It broke the llvm-gcc-native-mingw32 buildbot, and we need all of them to be green for the 2.9 branch.

Takumi, please reapply after we branch, preferably with a fix ;-)

llvm-svn: 127107
 2011-03-05 18:55:06 +00:00
Che-Liang Chiou
15aba09539 ptx: add basic intrinsic support 
llvm-svn: 127084
 2011-03-05 14:17:37 +00:00
NAKAMURA Takumi
9cab0faea2 Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO). 
On mingw and python/w32, lit would not be expected to understand MSYS-style path.

llvm-svn: 127073
 2011-03-05 09:46:45 +00:00
Nick Lewycky
a2cb87f86d Thread comparisons over udiv/sdiv/ashr/lshr exact and lshr nuw/nsw whenever 
possible. This goes into instcombine and instsimplify because instsimplify
doesn't need to check hasOneUse since it returns (almost exclusively) constants.

This fixes PR9343 #4 #5 and #8!

llvm-svn: 127064
 2011-03-05 05:19:11 +00:00
Nick Lewycky
b2557b7cf1 Try once again to optimize "icmp (srem X, Y), Y" by turning the comparison into 
true/false or "icmp slt/sge Y, 0".

llvm-svn: 127063
 2011-03-05 04:28:48 +00:00
NAKAMURA Takumi
ef9dd6b5db test/CodeGen/X86/vec_cast.ll: [PR8311] Add explicit -mtriple=x86_64-linux and -mtriple=x86_64-win32. Thanks to Nadav, it might be fixed in r126424. 
llvm-svn: 127060
 2011-03-05 02:38:02 +00:00
Bruno Cardoso Lopes
52c64a2eb3 Improve div/rem node handling on mips. Patch by Akira Hatanaka 
llvm-svn: 127034
 2011-03-04 21:03:24 +00:00
Bruno Cardoso Lopes
1deaf83a77 Add testcase for r127032 
llvm-svn: 127033
 2011-03-04 20:48:39 +00:00
Dan Gohman
a8389213a0 When decling to reuse existing expressions that involve casts, ignore 
bitcasts, which are really no-ops here. This fixes slowdowns on
MultiSource/Applications/aha and others.

llvm-svn: 127031
 2011-03-04 20:46:46 +00:00
Joerg Sonnenberger
5f2f5fa638 Be nice to Xcore and the XMOS assembler and avoid quoting section names 
that contain only letters, digits and the characters "_" and ".".

llvm-svn: 127028
 2011-03-04 20:03:14 +00:00
Bruno Cardoso Lopes
99619e5bef Lowers block address. Currently asserts when relocation model is not PIC. Patch by Akira Hatanaka 
llvm-svn: 127027
 2011-03-04 20:01:52 +00:00
Devang Patel
3efe510847 XFAIL for all. These tests are darwin specific anyway. 
llvm-svn: 127022
 2011-03-04 19:38:10 +00:00
Nick Lewycky
75a3dd996d Revert broken srem logic from r126991. 
llvm-svn: 127021
 2011-03-04 19:26:08 +00:00
Devang Patel
23ee9fdba3 Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract individual variable's info from merged global. 
llvm-svn: 127019
 2011-03-04 19:11:05 +00:00
Kalle Raiskila
6e33c92ffb Allow vector shifts (shl,lshr,ashr) on SPU. 
There was a previous implementation with patterns that would 
have matched e.g. 
	shl <v4i32> <i32>,
but this is not valid LLVM IR so they never were selected.

llvm-svn: 126998
 2011-03-04 13:19:18 +00:00
Kalle Raiskila
72cfda1a29 Allow load from constant on SPU. 
A 'load <4 x i32>* null' crashes llc before this fix.

llvm-svn: 126995
 2011-03-04 12:00:11 +00:00
Nick Lewycky
3bc3a84ba8 Fold "icmp pred (srem X, Y), Y" like we do for urem. Handle signed comparisons 
in the urem case, though not the other way around. This is enough to get #3 from
PR9343!

llvm-svn: 126991
 2011-03-04 10:06:52 +00:00
Nick Lewycky
a5f309e983 Teach instruction simplify to use constant ranges to solve problems of the form 
"icmp pred %X, CI" and a number of examples where "%X = binop %Y, CI2".

Some of these cases (div and rem) used to make it through opt -O2, but the
others are probably now making code elsewhere redundant (probably instcombine).

llvm-svn: 126988
 2011-03-04 07:00:57 +00:00
Eli Friedman
7243ca7572 Followup to r126970: add 64-bit encoding tests for str with reg operand. 
llvm-svn: 126987
 2011-03-04 04:06:47 +00:00
Eli Friedman
be07c34368 PR9377: Handle x86 str with register operand in a way consistent with gas. 
llvm-svn: 126970
 2011-03-04 00:10:17 +00:00
Eli Friedman
26f5c96de3 Revert r123908; the code in question is completely untested and wrong. 
llvm-svn: 126964
 2011-03-03 22:33:23 +00:00
Joerg Sonnenberger
bb93506f95 Bug#9033: For the ELF assembler output, always quote the section name. 
llvm-svn: 126963
 2011-03-03 22:31:08 +00:00
Richard Osborne
88d0d840f2 Optimize fprintf -> iprintf if there are no floating point arguments 
and siprintf is available on the target.

llvm-svn: 126940
 2011-03-03 14:20:22 +00:00
Richard Osborne
021b589253 Optimize sprintf -> siprintf if there are no floating point arguments 
and siprintf is available on the target.

llvm-svn: 126937
 2011-03-03 14:09:28 +00:00
Richard Osborne
df829ddcb7 Optimize printf -> iprintf if there are no floating point arguments 
and iprintf is available on the target. Currently iprintf is only
marked as being available on the XCore.

llvm-svn: 126935
 2011-03-03 13:17:51 +00:00
Eli Friedman
f7eb4cce13 PR9352: Always emit a relocation for weak symbols. Not emitting relocations 
for calls to weak symbols with a definition has the appearance of working
with LLVM-generated code because weak symbol definitions are put in their
own sections.

llvm-svn: 126933
 2011-03-03 07:24:36 +00:00
Bob Wilson
e24bee9ce8 TableGen should not ignore BX instructions for the ARM disassembler. pr9368. 
llvm-svn: 126931
 2011-03-03 07:19:52 +00:00
Bill Wendling
f13018b233 Check the ASM, not LLVM IR. 
llvm-svn: 126918
 2011-03-03 02:02:12 +00:00
Bob Wilson
42f80596ca pr9367: Add missing predicated BLX instructions. 
Patch by Jyun-Yan You, with some minor adjustments and a testcase from me.

llvm-svn: 126915
 2011-03-03 01:41:01 +00:00
Bill Wendling
ee60338654 Testcase for r126913. 
llvm-svn: 126914
 2011-03-03 01:32:56 +00:00
Stuart Hastings
efcae37ebf Test case for r126864. Radar 9056407. 
llvm-svn: 126900
 2011-03-02 23:41:40 +00:00
Stuart Hastings
9a27ba5aaa Test case for r126672. Radar 9055247. 
llvm-svn: 126896
 2011-03-02 23:24:44 +00:00
Kevin Enderby
58cc960338 Fixes an assertion failure while disassembling ARM rsbs reg/reg form. 
Patch by Ted Kremenek!

llvm-svn: 126895
 2011-03-02 23:08:33 +00:00
David Greene
2fd6d03bc9 [AVX] Fix mask predicates for 256-bit UNPCKLPS/D and implement 
missing patterns for them.

      Add a SIMD test subdirectory to hold tests for SIMD instruction
      selection correctness and quality.
'

llvm-svn: 126845
 2011-03-02 17:23:43 +00:00
Cameron Zwarich
6a4612ba06 Eliminate the unused CodeGenPrepare option to split critical edges. 
llvm-svn: 126825
 2011-03-02 03:31:46 +00:00
Che-Liang Chiou
2e7bb6da4c Extend initial support for primitive types in PTX backend 
- Allow i16, i32, i64, float, and double types, using the native .u16,
  .u32, .u64, .f32, and .f64 PTX types.
- Allow loading/storing of all primitive types.
- Allow primitive types to be passed as parameters.
- Allow selection of PTX Version and Shader Model as sub-target attributes.
- Merge integer/floating-point test cases for load/store.
- Use .u32 instead of .s32 to conform to output from NVidia nvcc compiler.

Patch by Justin Holewinski

llvm-svn: 126824
 2011-03-02 03:20:28 +00:00
Dan Gohman
0823ebc79b Don't re-use existing addrec expansions if they contain casts. 
This fixes PR9259.

llvm-svn: 126812
 2011-03-02 01:34:10 +00:00
Evan Cheng
5275ba7f98 Catch more cases where 2-address pass should 3-addressify instructions. rdar://9002648. 
llvm-svn: 126811
 2011-03-02 01:08:17 +00:00