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Author SHA1 Message Date
Craig Topper
4d5c4423b9 Combine FMA4 SS/SD patterns with the instruction definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147365 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 03:33:59 +00:00
Craig Topper
ca28590d8b Combine FMA4 PS/PD patterns with the instruction definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147364 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 03:17:15 +00:00
Craig Topper
2e9ed29449 Change FMA4 memory forms to use memopv* instead of alignedloadv*. No need to force alignment on these instructions. Add a couple testcases for memory forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147361 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 02:18:36 +00:00
Craig Topper
57d4b3315f Fix load size for FMA4 SS/SD instructions. They need to use f32 and f64 size, but with the special handling to be compatible with the intrinsic expecting a vector. Similar handling is already used elsewhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 01:49:53 +00:00
Hal Finkel
2e95afa04c Cleanup stack/frame register define/kill states. This fixes two bugs: 
1. The ST*UX instructions that store and update the stack pointer did not set define/kill on R1. This became a problem when I activated post-RA scheduling (and had incorrectly adjusted the Frames-large test).

2. eliminateFrameIndex did not kill its scavenged temporary register, and this could cause the scavenger to exhaust all available registers (and its emergency spill slot) when there were a lot of CR values to spill. The 2010-02-12-saveCR test has been adjusted to check for this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147359 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 00:34:00 +00:00
Rafael Espindola
ed23bdb65f Implement cfi_restore. Patch by Brian Anderson! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147356 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 21:43:03 +00:00
Rafael Espindola
c25680f728 Rename Remember and Restore to RememberState and RestoreState for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147354 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 21:09:08 +00:00
Craig Topper
1604ccfc01 Fix execution domains for PS/PD FMA3 instructions. Add SS/SD forms o FMA3 instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 20:43:40 +00:00
Rafael Espindola
6f0b181bc7 Implement .cfi_escape. Patch by Brian Anderson! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147352 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 20:24:47 +00:00
Craig Topper
19f18be449 Expose FMA3 instructions to the disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147351 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 20:03:14 +00:00
Craig Topper
c38fff4277 Make FMA3 imply AVX needs to be enabled. Particularly because 256-bit types aren't valid unless AVX is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147349 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 19:46:19 +00:00
Craig Topper
5ebee4494b Change XOP detection to use the correct CPUID bit instead of using the FMA4 bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 19:25:56 +00:00
Craig Topper
8493e39014 Add FeaturePOPCNT to all CPU types that lost it was removed from SSE42/SSE4A in r147339. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147347 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 18:47:31 +00:00
Craig Topper
b75f5f7d5d Mark non-VEX forms of PCLMUL instructions as requiring SSE2 to be enabled along with CLMUL. That's required for the XMM registers to be valid for integer data. Doesn't change any behavior since the CLMUL instructions don't have patterns yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147345 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 18:08:36 +00:00
Craig Topper
78be212d1b Mark non-VEX forms of AES instructions as requiring SSE2 to be enabled along with AES. Since that's required for the XMM registers to be valid for integer data. Doesn't change any behavior though since you can't use an intrinsic with an illegal type anyway. Just makes it consistent with the VEX forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147344 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 18:00:08 +00:00
Craig Topper
d65c7da5b0 Remove the separate explicit AES instruction patterns. They are equivalent to the patterns specified by the instructions. Also remove unnecessary bitconverts from the AES patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147342 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 17:41:56 +00:00
Craig Topper
d4d3513d37 Make SSE42 and SSE4A not imply POPCNT. POPCNT should be able to be disabled on its own without disabling SSE4.2 or SSE4A. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 15:51:45 +00:00
Craig Topper
19ec2a9db1 Make LowerBUILD_VECTOR keep node vector types consistent when creating MOVL for v16i16 and v32i8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147337 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 03:34:54 +00:00
Craig Topper
d62c16e535 Remove some elses after returns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147336 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 03:20:51 +00:00
Craig Topper
3224e6b60a Remove trailing spaces. Fix an assert to use && instead of || before string. Add same assert on similar code path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147335 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 03:09:33 +00:00
Rafael Espindola
3a023d3180 Fix grammar error noticed by Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147333 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-29 02:15:06 +00:00
Nick Lewycky
b48a18903a Change CaptureTracking to pass a Use* instead of a Value* when a value is 
captured. This allows the tracker to look at the specific use, which may be
especially interesting for function calls.

Use this to fix 'nocapture' deduction in FunctionAttrs. The existing one does
not iterate until a fixpoint and does not guarantee that it produces the same
result regardless of iteration order. The new implementation builds up a graph
of how arguments are passed from function to function, and uses a bottom-up walk
on the argument-SCCs to assign nocapture. This gets us nocapture more often, and
does so rather efficiently and independent of iteration order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147327 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 23:24:21 +00:00
Eli Friedman
da813f4209 Fix type-checking for load transformation which is not legal on floating-point types. PR11674. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147323 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 21:24:44 +00:00
Bob Wilson
eaf0608891 Update OCaml bindings for the new half float type. 
Patch by Jonathan Ragan-Kelley!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 18:51:08 +00:00
Rafael Espindola
97fb69b2ef Add support for mipsel in configure. Fixes PR11669. Patch by Sylvestre Ledru. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147312 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 17:08:00 +00:00
Nadav Rotem
6059b83695 PR11662. 
Promotion of the mask operand needs to be done using PromoteTargetBoolean, and not padded with garbage.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147309 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 13:08:20 +00:00
Elena Demikhovsky
021c0a2ee7 Fixed a bug in LowerVECTOR_SHUFFLE and LowerBUILD_VECTOR. 
Matching MOVLP mask for AVX (265-bit vectors) was wrong.
The failure was detected by conformance tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147308 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 08:14:01 +00:00
Nick Lewycky
8da7ddf2d2 Demystify this comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147307 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-28 06:57:32 +00:00
Rafael Espindola
99f9a20ba3 PR11642 has been fixed, enable -fvisibility-inlines-hidden everywhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147296 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 21:37:11 +00:00
Benjamin Kramer
c894b02ae0 Switch StringMap from an array of structures to a structure of arrays. 
- -25% memory usage of the main table on x86_64 (was wasted in struct padding).
- no significant performance change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147294 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 20:35:07 +00:00
Nick Lewycky
91968489d7 Use false not zero, as a bool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 18:27:22 +00:00
Nick Lewycky
a6b21ea4ba Turn cos(-x) into cos(x). Patch by Alexander Malyshev! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147291 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 18:25:50 +00:00
Benjamin Kramer
27baab62e7 Clean up some Release build warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147289 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 11:41:05 +00:00
Craig Topper
3738ccd7eb Add handling of x86_avx2_pmovmskb to computeMaskedBitsForTargetNode for consistency. Add comments and an assert for BMI instructions to PerformXorCombine since the enabling of the combine is conditional on it, but the function itself isn't. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147287 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 06:27:23 +00:00
Nick Lewycky
06cc66f65a Teach simplifycfg to recompute branch weights when merging some branches, and 
to discard weights when appropriate. Still more to do (and a new TODO), but
it's a start!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147286 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 04:31:52 +00:00
Nick Lewycky
da32cc6176 Using Inst->setMetadata(..., NULL) should be safe to remove metadata even when 
there is non of that type to remove. This fixes a crasher in the particular
case where the instruction has metadata but no metadata storage in the context
(this is only possible if the instruction has !dbg but no other metadata info).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147285 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-27 01:17:40 +00:00
Rafael Espindola
125ef76934 Fix warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147284 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-26 23:12:42 +00:00
Eli Friedman
d6e2560e7a Make sure DAGCombiner doesn't introduce multiple loads from the same memory location. PR10747, part 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147283 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-26 22:49:32 +00:00
Nick Lewycky
c9a1aed7fe Update the branch weight metadata when reversing the order of a branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147280 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-26 20:54:14 +00:00
Nick Lewycky
9d52310222 Sort includes, canonicalize whitespace, fix typos. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147279 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-26 20:37:40 +00:00
Nadav Rotem
859c645310 Update the LangRef documentation: the codegen does support this instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-25 21:32:35 +00:00
Nadav Rotem
fbb6f593c2 Fix a typo in the widening of vectors in PromoteIntRes. Patch by Shemer Anat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147272 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-25 20:01:38 +00:00
Venkatraman Govindaraju
55caf9c60a Sparc: Implement emitFrameIndexDebugValue and getDebugValue Location hooks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147269 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-25 18:50:24 +00:00
Bill Wendling
467ef21caf Add braces to remove silly warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147264 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-25 06:56:22 +00:00
Rafael Espindola
aba65b05fc Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147261 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-25 01:20:19 +00:00
Chandler Carruth
d62414c654 Add an explicit test that we now fold cttz.i32(..., true) >> 5 -> 0. 
This is a result of Benjamin's work on ValueTracking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147259 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-24 22:34:15 +00:00
Benjamin Kramer
49064ff770 InstCombine: Add a combine that turns (2^n)-1 ^ x back into (2^n)-1 - x iff x is smaller than 2^n and it fuses with a following add. 
This was intended to undo the sub canonicalization in cases where it's not profitable, but it also
finds some cases on it's own.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147256 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-24 17:31:53 +00:00
Benjamin Kramer
009da05e75 ComputeMaskedBits: Make knownzero computation more aggressive for ctlz with undef zero. 
unsigned foo(unsigned x) { return 31 - __builtin_clz(x); }
now compiles into a single "bsrl" instruction on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147255 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-24 17:31:46 +00:00
Benjamin Kramer
1fdfae05b0 InstCombine: Canonicalize (2^n)-1 - x into (2^n)-1 ^ x iff x is known to be smaller than 2^n. 
This has the obvious advantage of being commutable and is always a win on x86 because
const - x wastes a register there. On less weird architectures this may lead to
a regression because other arithmetic doesn't fuse with it anymore. I'll address that
problem in a followup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147254 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-24 17:31:38 +00:00
Rafael Espindola
ce618af3e8 Section relative fixups are a coff concept, not a x86 one. Replace the 
x86 specific reloc_coff_secrel32 with a generic FK_SecRel_4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147252 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-24 14:47:52 +00:00