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Author SHA1 Message Date
Andrew Trick
0f8cd56bfd Fix SCEVExpander to handle loops with no preheader when LSR gives it a 
"phony" insertion point.

Fixes rdar://10619599: "SelectionDAGBuilder shouldn't visit PHI nodes!" assert


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147439 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 21:25:10 +00:00
Duncan Sands
cf6bd5a7c3 Correct spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147435 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 16:55:01 +00:00
Chandler Carruth
972cc0d54a Undo the hack in r147427 and move this unittest to a better home. This 
is testing the bitcode reader's functionality, not VMCore's. Add the
what is a hope sufficient build system mojo to build and run a new
unittest.

Also clean up some of the test's naming. The goal for the file should be
to unittest the Bitcode Reader, and this is just one particular test
among potentially many in the future. Also, reverse my position and
relegate the PR# to a comment, but stash the comment on the same line as
the test name so it doesn't get lost. This makes the code more
self-documenting hopefully w/o losing track of the PR number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147431 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 09:19:48 +00:00
Craig Topper
c612d79817 Miscellaneous shuffle lowering cleanup. No functional changes. Primarily converting the indexing loops to unsigned to be consistent across functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147430 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 09:17:37 +00:00
Craig Topper
a51bb3aa75 Make CanXFormVExtractWithShuffleIntoLoad reject loads with multiple uses. Also make it return false if there's not even a load at all. This makes the code better match the code in DAGCombiner that it tries to match. These two changes prevent some cases where vector_shuffles were making it to instruction selection and causing the older shuffle selection code to be triggered. Also needed to fix a bad pattern that this change exposed. This is the first step towards getting rid of the old shuffle selection support. No test cases yet because there's no way to tell whether a shuffle was handled in the legalize stage or at instruction selection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147428 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 08:46:48 +00:00
Chandler Carruth
f3cd23c6cb Fix unittest makefile after r147425. This should unbreak the makefile 
build. This didn't show up in the CMake build because the CMake build
for the unittests is rather poorly factored.

This probably isn't the correct fix. This should be a bitcode reader
unittest not a VMCore unittest. I'll move it and clean various parts of
the unittest up in a follow-up patch, but I wanted to unbreak the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147427 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 08:40:40 +00:00
Nadav Rotem
a46f35d3d6 Optimize the sequence blend(sign_extend(x)) to blend(shl(x)) since SSE blend instructions only look at the highest bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147426 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 08:05:46 +00:00
Rafael Espindola
47f79bb58e Materialize functions whose basic blocks are used by global variables. Fixes 
PR11677.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147425 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-02 07:49:53 +00:00
Craig Topper
a86bcfb565 Allow CRC32 instructions to be selected when AVX is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147411 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 19:51:58 +00:00
Craig Topper
de9e4c728e Fix sfence, lfence, mfence, and clflush to be able to be selected when AVX is enabled. Fix monitor and mwait to require SSE3 or AVX, previously they worked even if SSE3 was disabled. Make prefetch instructions not set the execution domain since they don't use XMM registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147409 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 19:40:22 +00:00
Benjamin Kramer
8943574b44 X86Disassembler: Fix undefined behavior found by GCC 4.6 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147404 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 17:55:36 +00:00
Benjamin Kramer
55c6d57734 PatternMatch: Introduce a matcher for instructions with the "exact" bit. Use it to simplify a few matchers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147403 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 17:55:30 +00:00
Benjamin Kramer
395363a9b9 PatternMatch: Simplify code by reusing the Operator class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147402 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 17:55:23 +00:00
Rafael Espindola
acae2a63b9 Revert 147399. It broke CodeGen/ARM/vext.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147400 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 17:36:23 +00:00
Elena Demikhovsky
ac12855066 Fixed a bug in SelectionDAG.cpp. 
The failure seen on win32, when i64 type is illegal.
It happens on stage of conversion VECTOR_SHUFFLE to BUILD_VECTOR.

The failure message is:
llc: SelectionDAG.cpp:784: void VerifyNodeCommon(llvm::SDNode*): Assertion `(I->getValueType() == EltVT || (EltVT.isInteger() && I->getValueType().isInteger() && EltVT.bitsLE(I->getValueType()))) && "Wrong operand type!"' failed.

I added a special test that checks vector shuffle on win32.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147399 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 16:22:47 +00:00
NAKAMURA Takumi
45ba16588d Happy new year 2012! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147395 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-01 08:16:56 +00:00
Craig Topper
b3982da7d2 Merge X86 SHUFPS and SHUFPD node types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147394 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-31 23:50:21 +00:00
Craig Topper
3ee6d22c78 Add patterns for integer forms of SHUFPD/VSHUFPD with a memory load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147393 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-31 23:24:49 +00:00
Craig Topper
e00805d52f Fix typo in a SHUFPD and VSHUFPD pattern that prevented SHUFPD/VSHUFPD with a load from being selected. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147392 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-31 23:15:11 +00:00
Nick Lewycky
57ed0948b8 Make use of the exact bit when optimizing '(X >>exact 3) << 1' to eliminate the 
'and' that would zero out the trailing bits, and to produce an exact shift
ourselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147391 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-31 21:30:22 +00:00
Dylan Noblesmith
ccc9a59614 VMCore: add assert for miscompile 
See PR11652. Trying to add this assert to
setSubclassData() itself actually prevented
the miscompile entirely, so it has to be here.

This makes the source of the bug more obvious
than the other asserts triggering later on did.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147390 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-31 13:58:58 +00:00
Bruno Cardoso Lopes
ce8524c016 Cleanup Mips code and rename some variables. Patch by Jack Carter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147383 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 21:09:41 +00:00
Bruno Cardoso Lopes
3aa035fa0c Improve Mips JIT. 
Implement encoder methods getJumpTargetOpValue and getBranchTargetOpValue
for jmptarget and brtarget Mips tablegen operand types in the code emitter
for old-style JIT. Rename the pc relative relocation for branches - new
name is Mips::reloc_mips_pc16.

Patch by Sasa Stankovic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147382 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 21:04:30 +00:00
Nick Lewycky
db186c4c83 Remove extraneous ".get()->" which is just "->". No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 19:17:23 +00:00
Craig Topper
7ba2725f5d Make FMA4 imply AVX so that YMM registers would be available. Necessitates removing from Bulldozer CPU types since it would enable AVX code generation implicitly. Also make SSE4A imply SSE3. Without some level of SSE implied, XMM registers wouldn't be legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147369 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 07:16:00 +00:00
Craig Topper
06f554d06a Add disassembler support for VPERMIL2PD and VPERMIL2PS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 06:23:39 +00:00
Craig Topper
e6a3a2990e Add FMA4 instructions to disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147367 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 05:20:36 +00:00
Craig Topper
5d1a38cbfa Separate the concept of having memory access in operand 4 from the concept of having the W bit set for XOP instructons. Removes ORing W-bits in the encoder and will similarly simplify the disassembler implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-30 04:48:54 +00:00
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