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77bd09b650
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3449 Commits

Author SHA1 Message Date
Bill Wendling
77bd09b650 Test from Dhrystone to make sure that we're not emitting an aligned load for a 
string that's aligned at 8-bytes instead of 16-bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 01:33:57 +00:00
Bob Wilson
41a0456a3c Fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89274 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:30:38 +00:00
Richard Osborne
bea7df56ce Add XCore support for indirectbr / blockaddress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89273 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 23:20:42 +00:00
Bob Wilson
60f34b9fb0 Tail duplication still needs to iterate. Duplicating new instructions onto 
the tail of a block may make that block a new candidate for duplication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 22:52:37 +00:00
Jakob Stoklund Olesen
0b25ae1afb Fix PR5300. 
When TwoAddressInstructionPass deletes a dead instruction, make sure that all
register kills are accounted for. The 2-addr register does not get special
treatment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 21:33:35 +00:00
Jakob Stoklund Olesen
5052c1547e Fix inverted test and add testcase from failing self-host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 00:02:18 +00:00
Jakob Stoklund Olesen
6c8a0715c4 Remove fragile test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 21:52:40 +00:00
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
d2aad77261 Forgot to commit test fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 20:38:36 +00:00
Jakob Stoklund Olesen
95a2c8f1d0 Enable -split-phi-edges by default, except when -regalloc=local. 
The local register allocator doesn't like it when LiveVariables is run.
We should also disable edge splitting under -O0, but that has to wait a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 19:15:50 +00:00
Evan Cheng
9e97f3c2e2 Revert 89021. It's miscompiling llvm-gcc driver driver at -O0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89082 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 09:55:52 +00:00
Jakob Stoklund Olesen
2cbe71cdf0 Enable -split-phi-edges by default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89021 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 01:07:22 +00:00
Evan Cheng
6cccc30679 MOV64rm should be marked isReMaterializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:55:55 +00:00
Jim Grosbach
1187285e90 Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89007 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:20:26 +00:00
Jim Grosbach
727f0c37fb Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:03:38 +00:00
Jim Grosbach
2c0fb63738 Cleanup. Missed removing these when converting. Oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89001 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:00:33 +00:00
Dan Gohman
1d8c9e721e Fix this test - there don't appear to be any actual Reload Reuses 
in this testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 23:49:55 +00:00
Dan Gohman
10190cceec Revert r87049, which was the workaround for the regression triggered 
by the recent FixedStackPseudoSourceValue-related changes, now that
the specific bug that affected it is fixed, in r88954.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88997 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 23:43:42 +00:00
Jim Grosbach
9f07f3b009 Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 23:19:29 +00:00
Evan Cheng
600c043697 - Check memoperand alignment instead of checking stack alignment. Most load / store folding instructions are not referencing spill stack slots. 
- Mark MOVUPSrm re-materializable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88974 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 21:56:03 +00:00
Jim Grosbach
2f74603460 Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88947 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 20:04:15 +00:00
Lang Hames
0d6dd493f4 Added a testcase for PR5495. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88946 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 20:03:13 +00:00
Jim Grosbach
4adcade9b7 Convert to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88942 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 19:46:46 +00:00
Jim Grosbach
c0517504e5 tbb opt off by default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 17:24:45 +00:00
David Greene
ddff941357 Support spill comments. 
Have the asm printer emit a comment if an instruction is a spill or
reload and have the spiller mark copies it introdues so the asm printer
can also annotate those.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88911 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 15:12:23 +00:00
Evan Cheng
39aa7251a2 Check if subreg index is zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88899 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 06:31:49 +00:00
Evan Cheng
285a7d57dc For some targets, a copy can use a register multiple times, e.g. ppc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88895 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 05:52:06 +00:00
Evan Cheng
2d947263d5 xfail for now. It has been failing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88892 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 05:44:04 +00:00
Bruno Cardoso Lopes
6e0b658dad - Fix a small bug while handling target constant pools (one param was missing). 
- Add a smarter constant pool loading, instead of:

lui $2, %hi($CPI1_0)
addiu $2, $2, %lo($CPI1_0)
lwc1 $f0, 0($2)

Generate:

lui $2, %hi($CPI1_0)
lwc1 $f0, %lo($CPI1_0)($2)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88886 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 04:33:42 +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
e11d26b3d8 remove xfail 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88817 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 21:57:35 +00:00
Richard Osborne
13c4fabf99 Add XCore support for arbitrary-sized aggregate returns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 19:33:35 +00:00
Evan Cheng
fae3e92345 Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to replace broken code in VirtRegRewriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88753 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 03:42:17 +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
e17ae4f82e Add radar number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88739 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:11:32 +00:00
Evan Cheng
8fdd84cfa7 Fix PR5412: Fix an inverted check and another missing sub-register check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88738 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:09:09 +00:00
Dan Gohman
ed9bab3b4d Enable the tail call optimization when the caller returns undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88737 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-14 02:06:30 +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
Evan Cheng
1f6a3c820a Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 23:16:41 +00:00
Dan Gohman
c4c550c758 When optimizing for size, don't tail-merge unless it's likely to be a 
code-size win, and not when it's only likely to be code-size neutral,
such as when only a single instruction would be eliminated and a new
branch would be required.

This fixes rdar://7392894.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 21:02:15 +00:00
Evan Cheng
236490d870 Fix PR5410: LiveVariables lost subreg def: 
D0<def,dead> = ...
...
             = S0<use, kill>
S0<def>      = ...
...
D0<def>      = 

The first D0 def is correctly marked dead, however, livevariables should have
added an implicit def of S0 or we end up with a use without a def.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88690 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 20:36:40 +00:00
Dan Gohman
01205a80f5 Don't let a noalias difference disrupt the tailcall optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 18:49:38 +00:00
Dale Johannesen
1e608819aa Adjust isConstantSplat to allow for big-endian targets. 
PPC is such a target; make it work.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87060 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:45:18 +00:00
Daniel Dunbar
6242495be2 Update test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-13 01:01:58 +00:00
Jim Grosbach
cb2c2b738a Clean up testcase a bit. Simplify case blocks and adjust switch instruction to not take an undefined value as input. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86997 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 17:19:09 +00:00
Benjamin Kramer
9e3728be62 Fix typo in run line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 12:35:27 +00:00
Evan Cheng
60f9061820 RegScavenger::enterBasicBlock should always reset register state. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 07:49:10 +00:00
Evan Cheng
586f69a118 - Teach LSR to avoid changing cmp iv stride if it will create an immediate that 
cannot be folded into target cmp instruction.
- Avoid a phase ordering issue where early cmp optimization would prevent the
  later count-to-zero optimization.
- Add missing checks which could cause LSR to reuse stride that does not have
  users.
- Fix a bug in count-to-zero optimization code which failed to find the pre-inc
  iv's phi node.
- Remove, tighten, loosen some incorrect checks disable valid transformations.
- Quite a bit of code clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 07:35:05 +00:00
Dan Gohman
ad6af45dc1 Tail merge at any size when there are two potentials blocks and one 
can be made to fall through into the other.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86909 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 00:39:10 +00:00
Kenneth Uildriks
c158dde219 x86 users can now return arbitrary sized structs. Structs too large to fit in return registers will be returned through a hidden sret parameter introduced during SelectionDAG construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86876 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 19:59:24 +00:00