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Author SHA1 Message Date
Benjamin Kramer
0e3ee43ea0 Initialize HasVMLxForwarding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128709 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 09:20:31 +00:00
Jay Foad
8891ed7ac9 Various Instructions' resizeOperands() methods are only used to grow the 
list of operands. Simplify and rename them accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128708 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 08:00:58 +00:00
Evan Cheng
5b76c63f83 Add test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128707 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 06:27:25 +00:00
Evan Cheng
df269b9129 FileCheck'ify test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128706 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 03:36:33 +00:00
Duncan Sands
607946533d While testing dragonegg I noticed that isCastable and getCastOpcode 
had gotten out of sync: isCastable didn't think it was possible to
cast the x86_mmx type to anything, while it did think it possible
to cast an i64 to x86_mmx.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128705 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 03:34:54 +00:00
Andrew Trick
234823297e Add annotations to tablegen-generated processor itineraries, or replace them with something meaningful. I want to be able to read and debug the generated tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128703 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 02:22:47 +00:00
Andrew Trick
da96cf2029 whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128701 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 01:56:55 +00:00
Evan Cheng
8e23e815ad Issue libcalls __udivmod*i4 / __divmod*i4 for div / rem pairs. 
rdar://8911343


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128696 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 00:42:02 +00:00
Matt Beaumont-Gay
e3662cca5d Remove unused variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128692 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-01 00:06:01 +00:00
Jakob Stoklund Olesen
c3178f85b5 Fix Thumb and Thumb2 tests to be register allocator independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128690 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 23:31:50 +00:00
Bruno Cardoso Lopes
ae0855401b Apply again changes to support ARM memory asm parsing. I removed 
all LDR/STR changes and left them to a future patch. Passing all
checks now.

- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and
  fix the encoding wherever is possible.
- Add a new encoding bit to describe the index mode used and teach
  printAddrMode2Operand to check by the addressing mode which index
  mode to print.
- Testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128689 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 23:26:08 +00:00
Jakob Stoklund Olesen
842759662b The basic register allocator must also use the inline spiller. 
It is using a trivial rewriter that doesn't know how to insert spill code
requested by the standard spiller.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128688 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 23:02:17 +00:00
Jakob Stoklund Olesen
1db952d0c6 Provide a legal pointer register class when targeting thumb1. 
The LocalStackSlotAllocation pass was creating illegal registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128687 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 23:02:15 +00:00
Jakob Stoklund Olesen
0caa420042 Fix SystemZ tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128686 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 23:02:12 +00:00
Nadav Rotem
0ff8a4fa35 Instcombile optimization: extractelement(cast) -> cast(extractelement) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128683 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 22:57:29 +00:00
Jakob Stoklund Olesen
ca6fd009ad Fix ARM tests to be register allocator independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128680 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 22:14:03 +00:00
Benjamin Kramer
7ebdc37d2b InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't even try. 
Thanks Eli!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128676 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 21:35:49 +00:00
Johnny Chen
0c630b5f38 Add a test case for a malformed LDC/LDC2 instructions with PUDW = 0b0000, which 
amounts to an UNDEFINED instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128668 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 20:54:30 +00:00
Evan Cheng
463d358f1d Distribute (A + B) * C to (A * C) + (B * C) to make use of NEON multiplier 
accumulator forwarding:
vadd d3, d0, d1
vmul d3, d3, d2
=>
vmul d3, d0, d2
vmla d3, d1, d2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 19:38:48 +00:00
Johnny Chen
a52d7da1d8 Fix single word and unsigned byte data transfer instruction encodings so that 
Inst{4} = 0.

rdar://problem/9213022


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128662 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 19:28:35 +00:00
Jakob Stoklund Olesen
a6f7499244 Fix Mips, Sparc, and XCore tests that were dependent on register allocation. 
Add an extra run with -regalloc=basic to keep them honest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128654 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 18:42:43 +00:00
Akira Hatanaka
1d6b38d9d3 Added support for FP conditional move instructions and fixed bugs in handling of FP comparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128650 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 18:26:17 +00:00
Nick Lewycky
5bb3eced65 Pick better examples. "fpext float 3.1415 to double" won't parse because 3.1415 
isn't an exact float. Also "fpext float 1.0 to float" is invalid IR because
it's not performing an extension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128647 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 18:20:19 +00:00
Jakob Stoklund Olesen
280ea1a746 Don't completely eliminate identity copies that also modify super register liveness. 
Turn them into noop KILL instructions instead. This lets the scavenger know when
super-registers are killed and defined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128645 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 17:55:25 +00:00
Johnny Chen
8901e6ff3d Add BLXi to the instruction table for disassembly purpose. 
A8.6.23 BLX (immediate)

rdar://problem/9212921


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128644 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 17:53:50 +00:00
Jakob Stoklund Olesen
02ae9f2f27 Allow kill flags on two-address instructions. They are harmless. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128643 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 17:52:41 +00:00
Jakob Stoklund Olesen
8e53aca51a Mark all uses as <undef> when joining a copy. 
This way, shrinkToUses() will ignore the instruction that is about to be
deleted, and we avoid leaving invalid live ranges that SplitKit doesn't like.

Fix a misunderstanding in MachineVerifier about <def,undef> operands. The
<undef> flag is valid on def operands where it has the same meaning as <undef>
on a use operand. It only applies to sub-register defines which also read the
full register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 17:23:25 +00:00
Daniel Dunbar
48a36158ec Remove stray empty test file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128640 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 17:01:56 +00:00
Devang Patel
e62dfcf4b3 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 16:53:49 +00:00
Bruno Cardoso Lopes
b41aaab5a1 Revert r128632 again, until I figure out what break the tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 15:54:36 +00:00
Jakob Stoklund Olesen
314a3ef502 Fix bug found by valgrind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128634 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 15:14:11 +00:00
Richard Osborne
e8f3533323 Add XCore intrinsics for initializing / starting / synchronizing threads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128633 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 15:13:13 +00:00
Bruno Cardoso Lopes
bcd3a9cd84 Reapply r128585 without generating a lib depedency cycle. An updated log: 
- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and
  {STR,LDC}{2}_{PRE,POST} fixing the encoding wherever is possible.
- Move all instructions which use am2offset without a pattern to use
  addrmode2.
- Add a new encoding bit to describe the index mode used and teach
  printAddrMode2Operand to check by the addressing mode which index
  mode to print.
- Testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128632 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 14:52:28 +00:00
Michael J. Spencer
56584fcbfd Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128631 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 13:06:39 +00:00
Michael J. Spencer
c9c08fb3a7 Switch FileRemover from PathV1 to V2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128630 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 13:04:19 +00:00
NAKAMURA Takumi
dc5198bac7 lib/CodeGen/LiveIntervalAnalysis.cpp: [PR9590] Don't use std::pow(float,float) here. 
We don't expect the real "powf()" on some hosts (and powf() would be available on other hosts).
For consistency, std::pow(double,double) may be called instead.
Or, precision issue might attack us, to see unstable regalloc and stack coloring.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 12:11:33 +00:00
Benjamin Kramer
00e00d693c InstCombine: Fix transform to use the swapped predicate. 
Thanks Frits!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128628 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:46:03 +00:00
Benjamin Kramer
68b4bd0a63 InstCombine: fold fcmp (fneg x), (fneg y) -> fcmp x, y 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128627 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:12:22 +00:00
Benjamin Kramer
0db50189dc InstCombine: fold fcmp pred (fneg x), C -> fcmp swap(pred) x, -C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128626 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:12:15 +00:00
Benjamin Kramer
b194bdc03b InstCombine: Shrink "fcmp (fpext x), C" to "fcmp x, C" if C can be losslessly converted to the type of x. 
Fixes PR9592.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:12:07 +00:00
Benjamin Kramer
cd0274ca18 InstCombine: fold fcmp (fpext x), (fpext y) -> fcmp x, y. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128624 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:11:58 +00:00
Duncan Sands
021cf96ffc Will not compile without the spec! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 10:03:32 +00:00
Duncan Sands
f202c43de1 Strip trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128622 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 09:58:51 +00:00
Bill Wendling
b38aa9af72 Testcase for r128619 (PR9571). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128620 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 08:13:57 +00:00
Jakob Stoklund Olesen
312babc93f Pick a conservative register class when creating a small live range for remat. 
The rematerialized instruction may require a more constrained register class
than the register being spilled. In the test case, the spilled register has been
inflated to the DPR register class, but we are rematerializing a load of the
ssub_0 sub-register which only exists for DPR_VFP2 registers.

The register class is reinflated after spilling, so the conservative choice is
only temporary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128610 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 03:54:44 +00:00
Matt Beaumont-Gay
e4345c9977 Revert "- Implement asm parsing support for LDRT, LDRBT, STRT, STRBT and" 
This revision introduced a dependency cycle, as nlewycky mentioned by email.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128597 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 00:39:16 +00:00
Nick Lewycky
9cdf388d26 Fix typo in generated HTML. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128594 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 00:23:57 +00:00
Bob Wilson
bbe7c65390 Use intrinsics for Neon vmull operations. Radar 9208957. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 00:09:35 +00:00
Owen Anderson
6a7d36a320 Somehow we managed to forget to encode the lane index for a large swathe of NEON instructions. With this fix, the entire test-suite passes with the Thumb integrated assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128587 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 23:45:29 +00:00
Evan Cheng
ee2e0e347e Don't try to create zero-sized stack objects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128586 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 23:44:13 +00:00