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14891 Commits

Author SHA1 Message Date
Pete Cooper
a85aa24d64 LICM pass now understands invariant load metadata. Nothing generates this yet so it will currently never get used in real tests 
llvm-svn: 144107
 2011-11-08 19:30:00 +00:00
Pete Cooper
a1c151814a Adding test for machine-licm operating on invariant load instructions 
llvm-svn: 144104
 2011-11-08 19:06:53 +00:00
Lang Hames
ee7de1cff0 Lower mem-ops to unaligned i32/i16 load/stores on ARM where supported. 
Add support for trimming constants to GetDemandedBits. This fixes some funky
constant generation that occurs when stores are expanded for targets that don't
support unaligned stores natively.

llvm-svn: 144102
 2011-11-08 18:56:23 +00:00
NAKAMURA Takumi
e7c7964113 test/CodeGen/X86/vec_shuffle-39.ll: Add explicit -mtriple=x86_64-linux. Passing packed value is not compatible on Win32 x64. 
llvm-svn: 144068
 2011-11-08 03:46:39 +00:00
NAKAMURA Takumi
7094a0d830 test/CodeGen/X86/vec_shuffle-38.ll: Relax expression for Win32 x64. 
llvm-svn: 144067
 2011-11-08 03:46:32 +00:00
NAKAMURA Takumi
8bc13fe0b2 test/CodeGen/X86/vec_shuffle.ll: Add explicit -mtriple=i686-linux. We may see some suboptimal frame (%ebp) emission on certain hosts. Possible [PR11031] 
llvm-svn: 144066
 2011-11-08 03:46:25 +00:00
Eli Friedman
d5ba38a3d2 Make sure to mark vector extload's as expand on ARM. Fixes PR11319. 
llvm-svn: 144057
 2011-11-08 01:43:53 +00:00
Eli Friedman
741d364aa9 Add a bunch of calls to RemoveDeadNode in LegalizeDAG, so legalization doesn't get confused by CSE later on. Fixes PR11318. 
Re-commit of r144034, with an extra fix so that RemoveDeadNode doesn't blow up.

llvm-svn: 144055
 2011-11-08 01:25:24 +00:00
Evan Cheng
4a63100fe3 Add x86 isel logic and patterns to match movlps from clang generated IR for _mm_loadl_pi(). rdar://10134392, rdar://10050222 
llvm-svn: 144052
 2011-11-08 00:31:58 +00:00
Bill Wendling
a855903bda Convert to the new EH model. 
llvm-svn: 144050
 2011-11-08 00:23:01 +00:00
Bill Wendling
788df1dca1 Convert to the new EH model. 
llvm-svn: 144049
 2011-11-08 00:17:28 +00:00
Bill Wendling
16499170c2 Convert tests to the new EH model. 
llvm-svn: 144048
 2011-11-08 00:09:27 +00:00
Chad Rosier
4b12a5b7fc Enable support for returning i1, i8, and i16. Nothing special todo as it's the 
callee's responsibility to sign or zero-extend the return value.  The additional
test case just checks to make sure the calls are selected (i.e., -fast-isel-abort
doesn't assert).

llvm-svn: 144047
 2011-11-08 00:03:32 +00:00
Pete Cooper
2f5c35ae89 Added missing newline 
llvm-svn: 144046
 2011-11-08 00:03:24 +00:00
Eli Friedman
8d138bf571 Revert r144034 while I try to track down a crash. 
llvm-svn: 144044
 2011-11-07 23:53:20 +00:00
Jakob Stoklund Olesen
1900a5f521 Fix test for Windows as well. 
llvm-svn: 144038
 2011-11-07 23:10:43 +00:00
Jakob Stoklund Olesen
9380d5daff Kill and collapse outstanding DomainValues. 
DomainValues that are only used by "don't care" instructions are now
collapsed to the first possible execution domain after all basic blocks
have been processed.  This typically means the PS domain on x86.

For example, the vsel_i64 and vsel_double functions in sse2-blend.ll are
completely collapsed to the PS domain instead of containing a mix of
execution domains created by isel.

llvm-svn: 144037
 2011-11-07 23:08:21 +00:00
Pete Cooper
1d5d364e06 InstCombine now optimizes vector udiv by power of 2 to shifts 
Fixes r8429

llvm-svn: 144036
 2011-11-07 23:04:49 +00:00
Eli Friedman
c1bb1b2b09 Add a bunch of calls to RemoveDeadNode in LegalizeDAG, so legalization doesn't get confused by CSE later on. Fixes PR11318. 
llvm-svn: 144034
 2011-11-07 22:51:10 +00:00
Benjamin Kramer
89ebc7ab4b Simplify some uses of utohexstr. 
As a side effect hex is printed lowercase instead of uppercase now.

llvm-svn: 144013
 2011-11-07 21:00:59 +00:00
Jakob Stoklund Olesen
d33a581d93 Fix test for Linux. 
llvm-svn: 144003
 2011-11-07 20:47:23 +00:00
Jakob Stoklund Olesen
b53be3a67d Expand V_SET0 to xorps by default. 
The xorps instruction is smaller than pxor, so prefer that encoding.

The ExecutionDepsFix pass will switch the encoding to pxor and xorpd
when appropriate.

llvm-svn: 143996
 2011-11-07 19:15:58 +00:00
Craig Topper
7eab73f510 Add AVX2 variable shift instructions and intrinsics. 
llvm-svn: 143915
 2011-11-07 08:26:24 +00:00
Craig Topper
b1ef950217 Add AVX2 VPMOVMASK instructions and intrinsics. 
llvm-svn: 143904
 2011-11-07 03:20:35 +00:00
Craig Topper
d422190c0f Add AVX2 VEXTRACTI128 and VINSERTI128 instructions. Fix VPERM2I128 to be qualified with HasAVX2 instead of HasAVX. Mark VINSERTF128 and VEXTRACTF128 as never having side effects. 
llvm-svn: 143902
 2011-11-07 02:00:04 +00:00
Craig Topper
01b852b95a More AVX2 instructions and their intrinsics. 
llvm-svn: 143895
 2011-11-06 23:04:08 +00:00
Craig Topper
31b1d79474 Add more AVX2 instructions and intrinsics. 
llvm-svn: 143861
 2011-11-06 06:12:20 +00:00
Chad Rosier
806ffd8918 Add support for passing i1, i8, and i16 call parameters. Also, be sure to 
zero-extend the constant integer encoding.  Test case provides testing for
both call parameters and materialization of i1, i8, and i16 types.

llvm-svn: 143821
 2011-11-05 20:16:15 +00:00
Benjamin Kramer
fde45fcf3c Update lit's list of tools. 
llvm-svn: 143815
 2011-11-05 16:20:52 +00:00
Benjamin Kramer
4c8932e3b8 Add an option to pad an uleb128 to MCObjectWriter and remove the uleb128 encoding from the DWARF asm printer. 
As a side effect we now print dwarf ulebs with .ascii directives.

llvm-svn: 143809
 2011-11-05 11:52:44 +00:00
Nick Lewycky
7ea3dd8ae5 Do simple cross-block DSE when we encounter a free statement. Fixes PR11240. 
llvm-svn: 143808
 2011-11-05 10:48:42 +00:00
Eli Friedman
1478b657c8 Enhanced vzeroupper insertion pass that avoids inserting vzeroupper where it is unnecessary through local analysis. Patch from Bruno Cardoso Lopes, with some additional changes. 
I'm going to wait for any review comments and perform some additional testing before turning this on by default.

llvm-svn: 143750
 2011-11-04 23:46:11 +00:00
Daniel Dunbar
e57462ccc0 build/cmake: Change to require Python be available. 
llvm-svn: 143742
 2011-11-04 23:04:05 +00:00
Rafael Espindola
a13d4ca525 Add triple to test. 
llvm-svn: 143735
 2011-11-04 20:20:34 +00:00
Rafael Espindola
a022f4813e Emit declarations before definitions if they are available. This causes DW_AT_specification to 
point back in the file in the included testcase. Fixes PR11300.

llvm-svn: 143726
 2011-11-04 19:00:29 +00:00
Dan Gohman
e689158987 Add tests for existing InstSimplify features. 
llvm-svn: 143721
 2011-11-04 18:39:16 +00:00
Dan Gohman
19a8523a2f Teach instsimplify to simplify calls to undef. 
llvm-svn: 143719
 2011-11-04 18:32:42 +00:00
Craig Topper
6ae8fe6fbe Add intrinsics for X86 vcvtps2ph and vcvtph2ps instructions 
llvm-svn: 143682
 2011-11-04 06:59:21 +00:00
Chad Rosier
21cd759234 Add fast-isel support for returning i1, i8, and i16. 
llvm-svn: 143669
 2011-11-04 00:50:21 +00:00
Daniel Dunbar
0193e03f99 Speculatively revert "DeadStoreElimination can now trim the size of a store if 
the end of it is dead.", which appears to break bootstrapping LLVM.

llvm-svn: 143668
 2011-11-04 00:48:26 +00:00
Dan Gohman
a5f382da8b Reapply r143206, with fixes. Disallow physical register lifetimes 
across calls, and only check for nested dependences on the special
call-sequence-resource register.

llvm-svn: 143660
 2011-11-03 21:49:52 +00:00
Pete Cooper
ad3d5b2eee Reverted r143600 - selector reference change 
llvm-svn: 143646
 2011-11-03 20:47:50 +00:00
Dan Bailey
986e6b02b8 fixed global array handling for ptx to use the correct bit widths 
llvm-svn: 143640
 2011-11-03 19:24:46 +00:00
Pete Cooper
4902705b5f DeadStoreElimination can now trim the size of a store if the end of it is dead. 
Only currently done if the later store is writing to a power of 2 address or 
has the same alignment as the earlier store as then its likely to not break up
large stores into smaller ones

Fixes <rdar://problem/10140300>

llvm-svn: 143630
 2011-11-03 18:01:56 +00:00
Craig Topper
124b2fd08c Add new X86 AVX2 VBROADCAST instructions. 
llvm-svn: 143612
 2011-11-03 07:35:53 +00:00
Chad Rosier
74c4e2c2d9 Add support for sign-extending non-legal types in SelectSIToFP(). 
llvm-svn: 143603
 2011-11-03 02:04:59 +00:00
Pete Cooper
c8a657a2b2 Treat objc selector reference globals as invariant so that MachineLICM can hoist them out of loops. Fixes <rdar://problem/6027699> 
llvm-svn: 143600
 2011-11-03 00:56:36 +00:00
Lang Hames
ceec8ec67e Try to lower memset/memcpy/memmove to vector instructions on ARM where the alignment permits. 
llvm-svn: 143582
 2011-11-02 22:52:45 +00:00
Nick Lewycky
3c8d2be421 I added the first test to run llvm-dwarfdump. 
llvm-svn: 143571
 2011-11-02 21:02:27 +00:00
Nick Lewycky
691d7f80c2 Don't emit a directory entry for the value in DW_AT_comp_dir, that is always 
implied by directory index zero.

llvm-svn: 143570
 2011-11-02 20:55:33 +00:00