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5074 Commits

Author SHA1 Message Date
Evan Cheng
99b25c827c High bits of movmskp{s|d} and pmovmskb are known zero. rdar://10247336 
llvm-svn: 141371
 2011-10-07 17:21:44 +00:00
Bob Wilson
b55a64ae72 Reenable tail calls for iOS 5.0 and later. 
llvm-svn: 141370
 2011-10-07 17:17:49 +00:00
Bob Wilson
d8856e17fe Reenable use of divmod compiler_rt functions for iOS 5.0 and later. 
llvm-svn: 141368
 2011-10-07 16:59:21 +00:00
Anton Korobeynikov
0944a4c5cc Peephole optimization for ABS on ARM. 
Patch by Ana Pazos!

llvm-svn: 141365
 2011-10-07 16:15:08 +00:00
Cameron Zwarich
cc5f846d58 Remove a check from ARM shifted operand isel helper methods, which were blocking 
merging an lsl #2 that has multiple uses on A9. This shift is free, so there is
no problem merging it in multiple places. Other unprofitable shifts will not be
merged.

llvm-svn: 141247
 2011-10-05 23:38:50 +00:00
Dan Gohman
779ae47721 Make this test less sensitive to codegen optimizations. 
llvm-svn: 141195
 2011-10-05 18:13:08 +00:00
Akira Hatanaka
0a697c10ae Move CHECK after entry label. 
llvm-svn: 141030
 2011-10-03 21:24:30 +00:00
Akira Hatanaka
76c268271d Add support for 64-bit logical NOR. 
llvm-svn: 141029
 2011-10-03 21:23:18 +00:00
Akira Hatanaka
ae50204423 Add support for 64-bit count leading ones and zeros instructions. 
llvm-svn: 141028
 2011-10-03 21:16:50 +00:00
Akira Hatanaka
6c6ff6fde7 Add support for 64-bit divide instructions. 
llvm-svn: 141024
 2011-10-03 21:06:13 +00:00
Akira Hatanaka
e3c1d7eac0 Add support for 64-bit integer multiply instructions. 
llvm-svn: 141017
 2011-10-03 20:01:11 +00:00
Bill Wendling
98db234c02 Filecheck-ize. 
llvm-svn: 140904
 2011-09-30 23:40:29 +00:00
Bill Wendling
252b649025 Add new line at end of file. 
llvm-svn: 140903
 2011-09-30 23:21:11 +00:00
Bill Wendling
fcf3096d9b When inferring the pointer alignment, if the global doesn't have an initializer 
and the alignment is 0 (i.e., it's defined globally in one file and declared in
another file) it could get an alignment which is larger than the ABI allows for
that type, resulting in aligned moves being used for unaligned loads.

For instance, in file A.c:

   struct S s;

In file B.c:
   struct {
     // something long
   };
   extern S s;

   void foo() {
     struct S p = s;
     // ...
   }

this copy is a 'memcpy' which is turned into a series of 'movaps' instructions
on X86. But this is wrong, because 'struct S' has alignment of 4, not 16.

llvm-svn: 140902
 2011-09-30 23:19:55 +00:00
Akira Hatanaka
5479850400 Remove unnecessary checking of register operands. 
llvm-svn: 140872
 2011-09-30 19:18:24 +00:00
Akira Hatanaka
c9268767d6 Add definitions of Mips64 rotate instructions. 
llvm-svn: 140870
 2011-09-30 18:51:46 +00:00
Jim Grosbach
44047da675 ARM Darwin default relocation model is PIC. 
This matches clang, so default options in llc and friends are now closer to
clang's defaults.

llvm-svn: 140863
 2011-09-30 17:41:35 +00:00
Akira Hatanaka
ffa28d49f1 Check values of immediate operands. 
llvm-svn: 140860
 2011-09-30 17:19:21 +00:00
Akira Hatanaka
dcd69c2e07 Mips64 shift instructions. 
llvm-svn: 140841
 2011-09-30 03:18:46 +00:00
Akira Hatanaka
4bdb4b1958 Mips64 arithmetic and logical instructions with one source register and 
immediate.

llvm-svn: 140839
 2011-09-30 02:08:54 +00:00
Akira Hatanaka
50a4f6d570 Fill delay slot with useful instructions. Modified from Sparc's version of delay 
slot filler.

Patch by Reed Kotler at Mips Technologies.

llvm-svn: 140825
 2011-09-29 23:52:13 +00:00
Akira Hatanaka
70be05d5d0 Mips64 arithmetic and logical instructions with two source registers. 
llvm-svn: 140806
 2011-09-29 20:37:56 +00:00
Andrew Trick
e1d5ae73ac LSR: rewrite inner loops only. 
Rewriting the entire loop nest now requires -enable-lsr-nested.
See PR11035 for some performance data.
A few unit tests specifically test nested LSR, and are now under a flag.

llvm-svn: 140762
 2011-09-29 01:33:38 +00:00
Andrew Trick
75c6a45d08 whitespace 
llvm-svn: 140761
 2011-09-29 01:31:48 +00:00
Justin Holewinski
4966d44b44 PTX: Add new patterns for bitconvert and any_extend 
llvm-svn: 140753
 2011-09-29 01:13:12 +00:00
Evan Cheng
1e53900b70 Tighten a ARM dag combine condition to avoid an identity transformation, which 
ends up introducing a cycle in the DAG.

rdar://10196296

llvm-svn: 140733
 2011-09-28 23:16:31 +00:00
Eli Friedman
81fc13efd2 PR11033: Make sure we don't generate PCMPGTQ and PCMPEQQ if the target CPU does not support them. 
llvm-svn: 140723
 2011-09-28 21:00:25 +00:00
Justin Holewinski
2f96de340f PTX: MC-ize the PTX back-end (patch 1 of N) 
Lay some groundwork for converting to MC-based asm printer. This is the first
of probably many patches to bring the back-end back up-to-date with all of the
recent MC changes.

llvm-svn: 140697
 2011-09-28 14:32:04 +00:00
Jakob Stoklund Olesen
2bf243f464 Remove X86-dependent stuff from SSEDomainFix. 
This also enables domain swizzling for AVX code which required a few
trivial test changes.

The pass will be moved to lib/CodeGen shortly.

llvm-svn: 140659
 2011-09-27 23:50:46 +00:00
Justin Holewinski
a50e29abd6 PTX: Add support for sitofp in backend 
llvm-svn: 140593
 2011-09-27 01:04:47 +00:00
Eli Friedman
db69f84663 Last batch of test conversions to new atomic instructions. 
llvm-svn: 140585
 2011-09-27 00:17:29 +00:00
Eli Friedman
3db429c878 Convert a bunch more tests over to the new atomic instructions. 
llvm-svn: 140582
 2011-09-26 23:15:09 +00:00
Eli Friedman
d01fc33809 Convert more tests to new atomic instructions. 
llvm-svn: 140567
 2011-09-26 21:36:10 +00:00
Eli Friedman
6aaaadc188 Convert more tests over to the new atomic instructions. 
I did not convert Atomics-32.ll and Atomics-64.ll by hand; the diff is autoupgrade output.

The wmb test is gone because there isn't any way to express wmb with the new atomic instructions; if someone really needs a non-asm way to write a wmb on Alpha, a platform-specific intrisic could be added.

llvm-svn: 140566
 2011-09-26 21:30:17 +00:00
Eli Friedman
56e68f7271 Convert more tests over to the new atomic instructions. 
llvm-svn: 140559
 2011-09-26 20:27:49 +00:00
Justin Holewinski
52c50104d7 PTX: Fix detection of stack load/store vs. global load/store, as well as fix the 
printing of local offsets

llvm-svn: 140547
 2011-09-26 18:57:22 +00:00
Justin Holewinski
443a122ac3 PTX: Add .align tests to stack object test file 
llvm-svn: 140537
 2011-09-26 16:20:38 +00:00
Justin Holewinski
859dd9fa59 PTX: Fix some lingering issues with stack allocation 
llvm-svn: 140535
 2011-09-26 16:20:34 +00:00
Justin Holewinski
83ae9143fd PTX: Unify handling of loads/stores 
llvm-svn: 140533
 2011-09-26 16:20:28 +00:00
David Meyer
90ed5fdd4f Only run tests in test/CodeGen/CBackend/X86 when both X86 and CBackend are supported 
llvm-svn: 140517
 2011-09-26 06:44:27 +00:00
David Meyer
a6e588d80c PR11004: Inline memcpy to avoid generating nested call sequence. Un-XFAIL 2011-06-09-TailCallByVal and 2010-11-04-BigByval 
llvm-svn: 140516
 2011-09-26 06:13:20 +00:00
Jakob Stoklund Olesen
59b2982dcf Only run MF.verify() with EXPENSIVE_CHECKS=1. 
llvm-svn: 140441
 2011-09-24 01:11:19 +00:00
Jakob Stoklund Olesen
bc6ae70907 Verify that terminators follow non-terminators. 
This exposes a -segmented-stacks bug.

llvm-svn: 140429
 2011-09-23 22:45:39 +00:00
Eli Friedman
a66a438876 PR10998: It is not legal to sink an instruction past the terminator of a block; make sure we don't do that. 
llvm-svn: 140428
 2011-09-23 22:41:57 +00:00
Jakob Stoklund Olesen
ca6877343b Also match negative offsets for addrmode3 and addrmode5. 
Math is hard, and isScaledConstantInRange() always returned false for
negative constants.  It was doing unsigned division of negative numbers
before casting back to signed.

llvm-svn: 140425
 2011-09-23 22:10:33 +00:00
Justin Holewinski
1c0e0dcfbe PTX: Handle function call return values 
llvm-svn: 140386
 2011-09-23 16:48:41 +00:00
Justin Holewinski
0231798704 PTX: Start fixing function calls 
llvm-svn: 140378
 2011-09-23 14:31:12 +00:00
Eli Friedman
6f0131b3a7 PR10989: Don't print .hidden on Windows. 
llvm-svn: 140356
 2011-09-23 00:13:02 +00:00
Eli Friedman
31c7bde95a PR10991: make fast-isel correctly check whether accessing a global through an alias involves thread-local storage. (I'm not entirely sure how this is supposed to work, but this patch makes fast-isel consistent with the normal isel path.) 
llvm-svn: 140355
 2011-09-22 23:41:28 +00:00
Dan Gohman
d63418e497 Fix SimplifySelectCC to add newly created nodes to the DAGCombiner 
worklist, as it may be possible to perform further optimization on them.

llvm-svn: 140349
 2011-09-22 23:01:29 +00:00