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Author SHA1 Message Date
Jakob Stoklund Olesen
d9e926da26 Add SplitEditor::markOverlappedComplement(). 
This function is used to flag values where the complement interval may
overlap other intervals.  Call it from overlapIntv, and use the flag to
fully recompute those live ranges in transferValues().

llvm-svn: 139612
 2011-09-13 18:05:29 +00:00
Owen Anderson
b4ed08c465 Teach the Thumb ASM parser that BKPT is allowed in IT blocks, even though it is always executed unconditionally. 
llvm-svn: 139610
 2011-09-13 17:59:19 +00:00
Jakob Stoklund Olesen
bcb7c275ee Eliminate the extendRange() wrapper. 
llvm-svn: 139608
 2011-09-13 17:38:57 +00:00
Akira Hatanaka
4cdd5fca36 It is not necessary to search for mipsallegrex in target triple string. 
llvm-svn: 139607
 2011-09-13 17:35:28 +00:00
Owen Anderson
5982d4d51b Fix encoding of Thumb2 shifted register operands with RRX shifts. 
llvm-svn: 139606
 2011-09-13 17:34:32 +00:00
Jakob Stoklund Olesen
8e739db8a2 Switch extendInBlock() to take a kill slot instead of the last use slot. 
Three out of four clients prefer this interface which is consistent with
extendIntervalEndTo() and LiveRangeCalc::extend().

llvm-svn: 139604
 2011-09-13 16:47:56 +00:00
Jakob Stoklund Olesen
c0aa77ec15 Use a separate LiveRangeCalc for the complement in spill modes. 
The complement interval may overlap the other intervals created, so use
a separate LiveRangeCalc instance to compute its live range.

A LiveRangeCalc instance can only be shared among non-overlapping
intervals.

llvm-svn: 139603
 2011-09-13 16:47:53 +00:00
Devang Patel
ac7dbe4022 Maintain hexadecimal order. 
llvm-svn: 139601
 2011-09-13 16:39:59 +00:00
Argyrios Kyrtzidis
56cc934d76 In ClangAttrEmitter.cpp emit code that allows attributes to keep their source range. 
llvm-svn: 139598
 2011-09-13 16:05:43 +00:00
Craig Topper
0f36afb30c Only disassembler instructions with vvvv != 1111 if the instruction actually uses the vvvv field to encode an operand. Fixes PR10851. 
llvm-svn: 139591
 2011-09-13 07:37:44 +00:00
Craig Topper
03c833ff84 Remove filter that was preventing MOVDQU/MOVDQA and their VEX forms from being disassembled. Also added encodings for the other register/register form of these instructions. Fixes PR10848. 
llvm-svn: 139588
 2011-09-13 06:54:58 +00:00
Craig Topper
6eeb5396f8 Fix encoding of VMOVDQU to not simultaneously be 'TB OpSize' and 'XS'. 'XS' is correct and seems to have been taking priority. 
llvm-svn: 139587
 2011-09-13 06:39:34 +00:00
Andrew Trick
2e22ddc364 [indvars] Revert r139579 until 401.bzip -arch i386 miscompilation is fixed. PR10920. 
llvm-svn: 139583
 2011-09-13 05:23:49 +00:00
NAKAMURA Takumi
545ef2a09a Unbreak msvc. 
llvm-svn: 139581
 2011-09-13 03:58:34 +00:00
Andrew Trick
2bfa2824c6 Disable IV rewriting by default. See PR10916. 
llvm-svn: 139579
 2011-09-13 03:23:21 +00:00
Andrew Trick
3faad5fc36 Generalize test case to handle multiple indvars modes. 
llvm-svn: 139578
 2011-09-13 03:17:25 +00:00
Andrew Trick
a534a558a2 Generalize this test's CHECK statements to handle different indvars modes. 
llvm-svn: 139577
 2011-09-13 02:46:27 +00:00
Andrew Trick
fe292d43c0 This test only makes sense with -enable-iv-rewrite. 
llvm-svn: 139576
 2011-09-13 02:45:26 +00:00
Eli Friedman
c6ff621dc5 Zap some junk from the ARM instruction descriptions. 
llvm-svn: 139575
 2011-09-13 02:29:58 +00:00
Andrew Trick
2cc8637af2 [indvars] Fix bugs in floating point IV range checks noticed by inspection. 
llvm-svn: 139574
 2011-09-13 01:59:32 +00:00
Benjamin Kramer
b101f55fa4 Silence false positive uninitialized variable warnings from GCC. 
llvm-svn: 139573
 2011-09-13 01:59:24 +00:00
Jakob Stoklund Olesen
198a5a56f2 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.

llvm-svn: 139572
 2011-09-13 01:34:21 +00:00
Eli Friedman
3f92f87989 Add comment to clarify the behavior of a helper in DSE. 
llvm-svn: 139571
 2011-09-13 01:28:59 +00:00
Eli Friedman
ce1cbc7db5 Correct grammar. 
llvm-svn: 139565
 2011-09-13 00:44:16 +00:00
Eli Friedman
34ffc961d7 Fix the assembler strings for a couple of atomic instructions. Doesn't really matter much in practice, but it's a bit cleaner. 
llvm-svn: 139563
 2011-09-13 00:27:04 +00:00
Jim Grosbach
0b277b24ea Tidy up a bit. 
llvm-svn: 139559
 2011-09-12 23:36:42 +00:00
Andrew Trick
cc7f5a609a Conditionalize indvars test that relies on SCEV expansion of geps, 
which is only relevant with canonical IVs

llvm-svn: 139556
 2011-09-12 23:13:57 +00:00
Bruno Cardoso Lopes
eb09ab7c3f Change testcase commandline to be more strict and silence buildbots 
llvm-svn: 139554
 2011-09-12 22:59:26 +00:00
Bruno Cardoso Lopes
a4d2bdfa40 Fix PR10845. SUBREG_TO_REG shouldn't be used when the input and 
destination types are equal!

llvm-svn: 139553
 2011-09-12 22:59:23 +00:00
Andrew Trick
a3c28142a5 indvars test only relevant for -enable-iv-rewrite. 
Otherwise this case is now covered by no-iv-rewrite.ll.

llvm-svn: 139552
 2011-09-12 22:59:00 +00:00
Owen Anderson
ebcf543265 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? 
llvm-svn: 139549
 2011-09-12 22:40:31 +00:00
Bill Wendling
836c413ca3 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).

llvm-svn: 139545
 2011-09-12 21:56:59 +00:00
Ivan Krasin
6b8225fcda gold plugin: don't report error on non-bitcode (e.g. ELF) files. 
llvm-svn: 139544
 2011-09-12 21:47:50 +00:00
Owen Anderson
a1a10ed5c6 Thumb2 POP's don't allow the PC as an operand, and PUSH's don't allow the SP either. 
llvm-svn: 139542
 2011-09-12 21:28:46 +00:00
Bruno Cardoso Lopes
64e2e852f9 Revert the wrong part of r139528, and fix testcases. 
llvm-svn: 139541
 2011-09-12 21:24:07 +00:00
Owen Anderson
0081444d87 Fix encoding of PC-relative LDRSHW with an immediate offset. 
llvm-svn: 139537
 2011-09-12 20:36:51 +00:00
Andrew Trick
bf1bc9a077 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.

llvm-svn: 139535
 2011-09-12 20:26:34 +00:00
Eli Friedman
047d3de417 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.

llvm-svn: 139533
 2011-09-12 20:23:13 +00:00
Owen Anderson
b1d401e514 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> 
llvm-svn: 139531
 2011-09-12 20:07:22 +00:00
Eric Christopher
665ace6bce Fix typo. 
llvm-svn: 139530
 2011-09-12 19:58:22 +00:00
Bruno Cardoso Lopes
c67e996fc3 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.

llvm-svn: 139528
 2011-09-12 19:30:40 +00:00
Bruno Cardoso Lopes
e2fc394ed2 Organize a bit the operand names for CMPPS and CMPPD 
llvm-svn: 139527
 2011-09-12 19:30:36 +00:00
Bruno Cardoso Lopes
fc1c90ac48 Realign BLEND patterns to match the general style for patterns in .td file. 
llvm-svn: 139526
 2011-09-12 19:30:33 +00:00
Bruno Cardoso Lopes
f0e65e0f13 Fix 80-columns 
llvm-svn: 139525
 2011-09-12 19:30:29 +00:00
Owen Anderson
05ef2c122d Port more encoding tests to decoding tests, and correct an improper Thumb2 pre-indexed load decoding this uncovered. 
llvm-svn: 139522
 2011-09-12 18:56:30 +00:00
Andrew Trick
efe8cdcf20 Removing indvars tests that directly test canonical IVs and nothing else. 
llvm-svn: 139518
 2011-09-12 18:33:08 +00:00
Andrew Trick
09cf4287c2 Rename -disable-iv-rewrite to -enable-iv-rewrite=false in preparation for default change. 
llvm-svn: 139517
 2011-09-12 18:28:44 +00:00
Devang Patel
c7a1210467 Add asserts to keep front-ends honest while encoding debug info into LLVM IR using DIBuilder. 
llvm-svn: 139515
 2011-09-12 18:26:08 +00:00
Eli Friedman
08926ecbfb Fix mistake in test runline. 
llvm-svn: 139505
 2011-09-12 17:32:58 +00:00
Andrew Trick
19f9e653cd Test case for r139453, WidenIV::GetExtendedOperandRecurrence. 
llvm-svn: 139504
 2011-09-12 17:20:57 +00:00