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f04777b945
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1897 Commits

Author SHA1 Message Date
Jim Grosbach
f04777b945 Enable arm jumpt table adjustment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89143 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 21:24:11 +00:00
Anton Korobeynikov
bce3dbd9be Both Darwin as and GNU as violate ARM docs wrt printing of addrmode6 
alignment imm (in the same way). Fix asmprinting for non-darwin platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89137 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 20:04:59 +00:00
Johnny Chen
a9ea9ec194 Set Inst{15-12} (Rd/Rt) to 0b1111 (PC) for BR_JTadd, BR_JTr, and BR_JTm to 
distinguish between them and the more generic instructions (add, mov, and ldr).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 17:17:50 +00:00
Jim Grosbach
a0a95a3c1c When moving a block for table jumps, make sure the prior block terminator 
is analyzable so it can be updated. If it's not, be safe and don't move the
block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 01:21:04 +00:00
Johnny Chen
9d52e8db8a Set Rm bits of BX_RET to 0b1110 (R14); and set condition code bits of BRIND to 
0b1110 (ALways).  This is so that the disassembler decoder can distinguish among
BX_RET, BRIND, and BXr9.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89000 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 23:57:56 +00:00
Jim Grosbach
7bde297133 Make the pass class name more explicit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88964 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 21:13:22 +00:00
Jim Grosbach
074fb0252d make pass name a bit more clear 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88961 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 21:03:58 +00:00
Jim Grosbach
08cbda56b6 Simplify thumb2 jump table adjustments. Remove unnecessary calculation and 
usage of block sizes and offsets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88935 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 18:58:52 +00:00
Jim Grosbach
9249efe4c7 clarify comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88933 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 18:55:47 +00:00
Jim Grosbach
b2e86bb142 back off for a bit. tracking down weirdness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 17:17:48 +00:00
Jim Grosbach
ca215e7804 Analyze has to be before checking the condition, obviously. Properly construct an iterator for prior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 17:10:56 +00:00
Jim Grosbach
a44321776e Detect need for autoalignment of the stack earlier to catch spills more 
conservatively. eliminateFrameIndex() machinery adjust to handle addr mode
6 (vld1/vst1) used for spills. Fix tests to expect aligned Q-reg spilling

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88874 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-15 21:45:34 +00:00
Jim Grosbach
6cb6788b79 set the def of the VLD1q64 properly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88873 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-15 21:05:07 +00:00
Jim Grosbach
9c477f54f3 cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88812 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 21:33:37 +00:00
Jim Grosbach
00a6a1f022 Cleanup flow, and only update the jump table we're analyzing when replacing a destination MBB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 20:10:18 +00:00
Evan Cheng
d57cdd5683 - Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo. 
- If destination is a physical register and it has a subreg index, use the
  sub-register instead.
This fixes PR5423.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:55:43 +00:00
Evan Cheng
0cd22dd738 When expanding t2STRDi8 r, r to two stores, add kill markers correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88734 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 01:50:00 +00:00
David Greene
1924aabf99 Move DebugInfo checks into EmitComments and remove them from 
target-specific AsmPrinters.  Not all comments need DebugInfo.

Re-enable the line numbers comment test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88697 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:34:57 +00:00
David Goodwin
87d21b92fc Allow target to specify regclass for which antideps will only be broken along the critical path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 19:52:48 +00:00
Jim Grosbach
c1a07be185 Block renumbering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:19:24 +00:00
Jim Grosbach
f4cbc0e421 use lower case for readability 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:17:22 +00:00
David Greene
b9c2fd964e Make the MachineFunction argument of getFrameRegister const. 
This also fixes a build error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87027 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 21:00:03 +00:00
David Greene
3f2bf85d14 Add a bool flag to StackObjects telling whether they reference spill 
slots.  The AsmPrinter will use this information to determine whether to
print a spill/reload comment.

Remove default argument values.  It's too easy to pass a wrong argument
value when multiple arguments have default values.  Make everything
explicit to trap bugs early.

Update all targets to adhere to the new interfaces..


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 20:49:22 +00:00
Jim Grosbach
80697d1b26 Update TB[BH] layout optimization. Add support for moving the target block 
to directly follow the jump table. Move the layout changes to prior to any
constant island handling.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 17:25:07 +00:00
Evan Cheng
b9d2c03d20 Use table to separate opcode from operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86965 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 07:16:34 +00:00
Evan Cheng
06b53c0d51 isLegalICmpImmediate should take a signed integer; code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86964 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 07:13:11 +00:00
Jim Grosbach
01dec0e545 Revert 86857. It's causing consumer-typeset to fail, and there's a better way to do it forthcoming anyway. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86945 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 03:28:35 +00:00
Evan Cheng
77e4751011 Add TargetLowering::isLegalICmpImmediate. It tells LSR what immediate can be folded into target icmp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86858 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 19:05:52 +00:00
Jim Grosbach
f4997e87e3 Do jump table adjustment before constant island allocation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86857 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 19:04:24 +00:00
Jim Grosbach
1fc7d715aa The TBB and TBH instructions for Thumb2 are really handy for jump tables, but 
can only branch forward. To best take advantage of them, we'd like to adjust
the basic blocks around a bit when reasonable. This patch puts basics in place
to do that, with a super-simple algorithm for backwards jump table targets that
creates a new branch after the jump table which branches backwards. Real
heuristics for reordering blocks or other modifications rather than inserting
branches will follow.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 02:47:19 +00:00
Evan Cheng
4b6bbe1e9c Change Thumb1 address mode printing, instead of 
[r0, #2 * 4]
Now
[r0, #8]

This makes Thumb2 assembly more uniform and frankly the scale doesn't add much.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 19:48:13 +00:00
Evan Cheng
1e13c797e5 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 19:44:56 +00:00
David Goodwin
c2e8a7e8d2 Fixed to address code review. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86634 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 00:48:55 +00:00
David Goodwin
0855dee564 Allow targets to specify register classes whose member registers should not be renamed to break anti-dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86628 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 00:15:47 +00:00
Jim Grosbach
803b48a155 Now that the default is 'enabled,' a separate command line option for ARM is 
not necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86621 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 23:11:45 +00:00
Jim Grosbach
92eb919e80 Enable dynamic stack realignment by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86604 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 22:32:40 +00:00
Jim Grosbach
ad353c74ad Set dynamic stack realignment to real values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86602 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 22:32:03 +00:00
Jim Grosbach
43cca695a8 Work around assembler not recognizing #0.0 form immediate for vmcp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86548 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 15:27:51 +00:00
Jim Grosbach
e5165490b7 Use Unified Assembly Syntax for the ARM backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 00:11:35 +00:00
Jim Grosbach
31bc849123 Use aligned load/store instructions for spilling Q registers when we know the stack slot is 128 bit aligned 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86425 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 00:27:19 +00:00
Evan Cheng
fdc834046e Refactor code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 00:15:23 +00:00
Jim Grosbach
31c24bf5b3 80-column cleanup of file header comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86408 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 22:00:39 +00:00
Jim Grosbach
8a5ec86a3d Support alignment specifier for NEON vld/vst instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86404 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 21:25:39 +00:00
Evan Cheng
bf992817f2 t2ldrpci_pic can be used for blockaddress as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86400 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 19:40:04 +00:00
Chris Lattner
59a9178fbe indicate what the native integer types for the target are. 
Please verify.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 19:07:32 +00:00
Anton Korobeynikov
e8ea011cc7 It turns out that the testcase in question uncovered subreg-handling bug. 
Add assert in asmprinter to catch such cases and xfail the tests.
PR is to be filled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86375 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 15:20:32 +00:00
Jeffrey Yasskin
2d274412ed Make the need-stub variables accurate and consistent. In the case of 
MachineRelocations, "stub" always refers to a far-call stub or a
load-a-faraway-global stub, so this patch adds "Far" to the term. (Other stubs
are used for lazy compilation and dlsym address replacement.) The variable was
also inconsistent between the positive and negative sense, and the positive
sense ("NeedStub") was more demanding than is accurate (since a nearby-enough
function can be called directly even if the platform often requires a stub).
Since the negative sense causes double-negatives, I switched to
"MayNeedFarStub" globally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 08:51:52 +00:00
Evan Cheng
d457e6e9a5 Refactor code. Fix a potential missing check. Teach isIdentical() about tLDRpci_pic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86330 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 04:04:34 +00:00
Evan Cheng
78e5c1140a - Add TargetInstrInfo::isIdentical(). It's similar to MachineInstr::isIdentical 
except it doesn't care if the definitions' virtual registers differ. This is
  used by machine LICM and other MI passes to perform CSE.
- Teach Thumb2InstrInfo::isIdentical() to check two t2LDRpci_pic are identical.
  Since pc relative constantpool entries are always different, this requires it
  it check if the values can actually the same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 03:52:02 +00:00
Ted Kremenek
b6aae88ac0 Update CMake file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86325 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 03:26:59 +00:00