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Author SHA1 Message Date
Craig Topper
6b0b2d6c41 Fix encoding of VMOVDQU to not simultaneously be 'TB OpSize' and 'XS'. 'XS' is correct and seems to have been taking priority. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139587 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 06:39:34 +00:00
Andrew Trick
effb647154 [indvars] Revert r139579 until 401.bzip -arch i386 miscompilation is fixed. PR10920. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139583 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 05:23:49 +00:00
NAKAMURA Takumi
edd4f8ba4b Unbreak msvc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139581 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 03:58:34 +00:00
Andrew Trick
dd9d758a31 Disable IV rewriting by default. See PR10916. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139579 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 03:23:21 +00:00
Andrew Trick
603fff3968 Generalize test case to handle multiple indvars modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 03:17:25 +00:00
Andrew Trick
3c8015aa6c Generalize this test's CHECK statements to handle different indvars modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139577 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 02:46:27 +00:00
Andrew Trick
2e95d76f8c This test only makes sense with -enable-iv-rewrite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139576 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 02:45:26 +00:00
Eli Friedman
885f1a0c04 Zap some junk from the ARM instruction descriptions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139575 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 02:29:58 +00:00
Andrew Trick
94f2c23d24 [indvars] Fix bugs in floating point IV range checks noticed by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139574 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:59:32 +00:00
Benjamin Kramer
cee58a69fa Silence false positive uninitialized variable warnings from GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139573 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:59:24 +00:00
Jakob Stoklund Olesen
b5a457c4cb Extract live range calculations from SplitKit. 
SplitKit will soon need two copies of these data structures, and the
algorithms will also be useful when LiveIntervalAnalysis becomes
independent of LiveVariables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139572 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:34:21 +00:00
Eli Friedman
1582e7f1e2 Add comment to clarify the behavior of a helper in DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:28:59 +00:00
Eli Friedman
5ac7c7da3e Correct grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139565 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 00:44:16 +00:00
Eli Friedman
f73c881f4a Fix the assembler strings for a couple of atomic instructions. Doesn't really matter much in practice, but it's a bit cleaner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 00:27:04 +00:00
Jim Grosbach
2d539691a1 Tidy up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139559 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 23:36:42 +00:00
Andrew Trick
857ad229be Conditionalize indvars test that relies on SCEV expansion of geps, 
which is only relevant with canonical IVs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139556 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 23:13:57 +00:00
Bruno Cardoso Lopes
8970060a4c Change testcase commandline to be more strict and silence buildbots 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139554 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:59:26 +00:00
Bruno Cardoso Lopes
5fc48100ee Fix PR10845. SUBREG_TO_REG shouldn't be used when the input and 
destination types are equal!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139553 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:59:23 +00:00
Andrew Trick
27cea8e34b indvars test only relevant for -enable-iv-rewrite. 
Otherwise this case is now covered by no-iv-rewrite.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:59:00 +00:00
Owen Anderson
926785487d Fix a failing ELF Thumb test. I _think_ this is right, but it's not totally clear to me what this test is doing. Could someone on an ELF platform check? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139549 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:40:31 +00:00
Bill Wendling
3669915c6d Introduce a bit of a hack. 
Splitting a landing pad takes considerable care because of PHIs and other
nasties. The problem is that the jump table needs to jump to the landing pad
block. However, the landing pad block can be jumped to only by an invoke
instruction. So we clone the landingpad instruction into its own basic block,
have the invoke jump to there. The landingpad instruction's basic block's
successor is now the target for the jump table.

But because of PHI nodes, we need to create another basic block for the jump
table to jump to. This is definitely a hack, because the values for the PHI
nodes may not be defined on the edge from the jump table. But that's okay,
because the jump table is simply a construct to mimic what is happening in the
CFG. So the values are mysteriously there, even though there is no value for the
PHI from the jump table's edge (hence calling this a hack).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 21:56:59 +00:00
Ivan Krasin
ccb7c906d1 gold plugin: don't report error on non-bitcode (e.g. ELF) files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 21:47:50 +00:00
Owen Anderson
cd00dc6852 Thumb2 POP's don't allow the PC as an operand, and PUSH's don't allow the SP either. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139542 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 21:28:46 +00:00
Bruno Cardoso Lopes
457d53d9ce Revert the wrong part of r139528, and fix testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139541 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 21:24:07 +00:00
Owen Anderson
fd92d2e106 Fix encoding of PC-relative LDRSHW with an immediate offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 20:36:51 +00:00
Andrew Trick
26e5285f9f Conditionalize indvars tests that rely on SCEV expansion of geps, 
which is relevant with canonical IVs. Anything else being checked by
these tests is already covered by early CSE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139535 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 20:26:34 +00:00
Eli Friedman
2bc3d52b9a Change a bunch of isVolatile() checks to check for atomic load/store as well. 
No tests; these changes aren't really interesting in the sense that the logic is the same for volatile and atomic.

I believe this completes all of the changes necessary for the optimizer to handle loads and stores correctly.  I'm going to try and come up with some additional testing, though.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139533 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 20:23:13 +00:00
Owen Anderson
a073795023 There's no need to add additional predicate operands when converting a tB to a tBfar now. Fixes nightly test failures on armv6 Thumb. <rdar://problem/10110404> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139531 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 20:07:22 +00:00
Eric Christopher
c27c7342aa Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139530 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 19:58:22 +00:00
Bruno Cardoso Lopes
8e03a821f9 Not sure how CMPPS and CMPPD had already ever worked, I guess it didn't. 
However with this fix it does now.

Basically the operand order for the x86 target specific node
is not the same as the instruction, but since the intrinsic need that
specific order at the instruction definition, just change the order
during legalization. Also, there were some wrong invertions of condition
codes, such as GE => LE, GT => LT, fix that too. Fix PR10907.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139528 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 19:30:40 +00:00
Bruno Cardoso Lopes
93474f5f7f Organize a bit the operand names for CMPPS and CMPPD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139527 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 19:30:36 +00:00
Bruno Cardoso Lopes
cf355422d6 Realign BLEND patterns to match the general style for patterns in .td file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139526 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 19:30:33 +00:00
Bruno Cardoso Lopes
3445df77d4 Fix 80-columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139525 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 19:30:29 +00:00
Owen Anderson
a3157b4026 Port more encoding tests to decoding tests, and correct an improper Thumb2 pre-indexed load decoding this uncovered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139522 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:56:30 +00:00
Andrew Trick
29da5e6855 Removing indvars tests that directly test canonical IVs and nothing else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:33:08 +00:00
Andrew Trick
f21bdf4f42 Rename -disable-iv-rewrite to -enable-iv-rewrite=false in preparation for default change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:28:44 +00:00
Devang Patel
811ae5b09c Add asserts to keep front-ends honest while encoding debug info into LLVM IR using DIBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:26:08 +00:00
Eli Friedman
9f3b6a5a2a Fix mistake in test runline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139505 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 17:32:58 +00:00
Andrew Trick
8f7ca5d98e Test case for r139453, WidenIV::GetExtendedOperandRecurrence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 17:20:57 +00:00
Devang Patel
5443140021 Add DW_ATE_UTF, which clang started using in my previous commit! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 17:18:20 +00:00
Jakob Stoklund Olesen
a16a25ddea Remove the -compact-regions flag. 
It has been enabled by default for a while, it was only there to allow
performance comparisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 16:54:42 +00:00
Jakob Stoklund Olesen
708d06f7fb Add an interface for SplitKit complement spill modes. 
SplitKit always computes a complement live range to cover the places
where the original live range was live, but no explicit region has been
allocated.

Currently, the complement live range is created to be as small as
possible - it never overlaps any of the regions.  This minimizes
register pressure, but if the complement is going to be spilled anyway,
that is not very important.  The spiller will eliminate redundant
spills, and hoist others by making the spill slot live range overlap
some of the regions created by splitting.  Stack slots are cheap.

This patch adds the interface to enable spill modes in SplitKit.  In
spill mode, SplitKit will assume that the complement is going to spill,
so it will allow it to overlap regions in order to avoid back-copies.
By doing some of the spiller's work early, the complement live range
becomes simpler.  In some cases, it can become much simpler because no
extra PHI-defs are required.  This will speed up both splitting and
spilling.

This is only the interface to enable spill modes, no implementation yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139500 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 16:49:21 +00:00
Jakob Stoklund Olesen
3d4ec14ffc Update comments to reflect some (not so) recent changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139498 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 16:03:26 +00:00
Richard Osborne
a1d16b53e8 Associate a MemOperand with LDWCP nodes introduced during ISel. 
This information is required if we want LDWCP to be hoisted out of loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139495 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 14:43:23 +00:00
Richard Osborne
2cb6c1bd20 Mark LDWCP as having no side effects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139494 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 14:41:31 +00:00
Nadav Rotem
5ed0983200 Format patterns, remove unused X86blend patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139491 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 08:41:50 +00:00
Craig Topper
136046c9a2 Fix disassembling of one of the register/register forms of MOVUPS/MOVUPD/MOVAPS/MOVAPD/MOVSS/MOVSD and their VEX equivalents. Fixes PR10877. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-11 23:19:54 +00:00
Craig Topper
038197988b Fix disassembling of reverse register/register forms of ADD/SUB/XOR/OR/AND/SBB/ADC/CMP/MOV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-11 21:41:45 +00:00
Craig Topper
842f58f9be Fix disassembling of PAUSE instruction. Fixes PR10900. Also fixed NOP disassembling to ignore OpSize and REX.W. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139484 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-11 20:23:20 +00:00
Nick Lewycky
e4481d8ce5 s/SequeuentiallyConsistent/SequentiallyConsistent/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-11 15:50:05 +00:00