Jim Grosbach
a44321776e
Detect need for autoalignment of the stack earlier to catch spills more
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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
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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
Chris Lattner
800c47ec10
teach LVI to infer edge information from switch instructions.
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This allows JT to eliminate a ton of infeasible edges when
handling code like the templates in PatternMatch.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 20:02:12 +00:00
Chris Lattner
5553a3a510
fix a logic error that would cause LVI-JT to miscompile
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some conditionals
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88868 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 20:01:24 +00:00
Chris Lattner
e5642812d3
implement the first stab at caching queries. This isn't correct
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(because the invalidation logic is missing) but LVI isn't enabled
by default anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88867 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 20:00:52 +00:00
Chris Lattner
2c5adf832a
refactor a bunch of code forming the new LazyValueInfoCache
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and LVIQuery classes, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 19:59:49 +00:00
Chris Lattner
4e447ebc58
make PRE of loads preserve the alignment of the moved load instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88865 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 19:58:31 +00:00
Chris Lattner
1fb5630474
fix a bug handling 'not x' when x is undef.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 19:57:43 +00:00
Nick Lewycky
93f9f7a440
Add a complex missed optimization opportunity I came across while investigating
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bug 5438.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88855 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 17:51:23 +00:00
Edward O'Callaghan
e0fb75d586
Add PSP OS Target to Triple, Credit to Bruno Cardoso Lopes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 10:18:17 +00:00
Nick Lewycky
feb8018764
Revert r88830 and r88831 which appear to have caused a selfhost buildbot some
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grief. I suspect this patch merely exposed a bug else.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88841 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 07:47:32 +00:00
Nick Lewycky
df772f257f
Teach instcombine to look for booleans in wider integers when it encounters a
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zext(icmp). It may be able to optimize that away. This fixes one of the cases
in PR5438.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88830 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 05:55:17 +00:00
Lang Hames
e98b4b0695
Added an assert to the PBQP allocator to catch infinite cost solutions which might otherwise lead to miscompilations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88829 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15 04:39:51 +00:00
Daniel Dunbar
bfa0929583
Remove bogus corei7 and atom entries, the family was incorrect.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88818 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 22:04:42 +00:00
Daniel Dunbar
a7ac3cee8f
Fill out X86 table, although we are missing lots of names for things. We now
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properly detect my Xeon box though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 21:36:19 +00:00
Daniel Dunbar
ba43e0785b
Report the detected host CPU in --version.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 21:36:07 +00:00
Jim Grosbach
9c477f54f3
cleanup.
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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
c04cae9c9b
Do not merge jump tables this early. Branch folding will do any necessary
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merges, and until then, it's useful to keep the tables separate for ease
of manipulation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88806 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 20:15:03 +00:00
Jim Grosbach
00a6a1f022
Cleanup flow, and only update the jump table we're analyzing when replacing a destination MBB.
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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
Jim Grosbach
68bb60f6a4
Add function to replace a destination MBB in a single jump table
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88804 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 20:09:13 +00:00
Richard Osborne
13c4fabf99
Add XCore support for arbitrary-sized aggregate returns.
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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
Anton Korobeynikov
b23f3aa270
Temporary disable the error - it seems to be too conservative.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88800 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 18:01:41 +00:00
Benjamin Kramer
f2a39bd24f
Implement DISABLE_INLINE for MSVC. This required changing the position in all
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forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88798 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 16:37:18 +00:00
Daniel Dunbar
067d024b05
Add llvm::sys::getHostCPUName, for detecting the LLVM name for the host CPU.
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- This is an initial step towards -march=native support in Clang, and towards
eliminating host dependencies in the targets. See PR5389.
- Patch by Roman Divacky!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88768 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 10:09:12 +00:00
Nick Lewycky
e79fddedca
Remove LLVMContext from reassociate. It was threaded through every function but
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ultimately never used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 07:25:54 +00:00
Sanjiv Gupta
9a501cf19d
revert 88761 as it fails builds.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 07:22:25 +00:00
Sanjiv Gupta
6fb01a7750
Fix debug info crashes for PIC16.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88761 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 06:19:49 +00:00
Nick Lewycky
20162ac566
Teach BasicAA that a constant expression can't alias memory provably not
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allocated until runtime (such as an alloca). Patch by Hans Wennborg!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88760 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 06:15:14 +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.
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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.
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- 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
Dan Gohman
4ec01b268e
Add an option for running GVN with redundant load processing disabled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88742 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 02:27:51 +00:00
Evan Cheng
8fdd84cfa7
Fix PR5412: Fix an inverted check and another missing sub-register check.
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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.
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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.
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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
Jakob Stoklund Olesen
3b6ced1510
Fix bug in -split-phi-edges.
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When splitting an edge after a machine basic block with fall-through, we
forgot to insert a jump instruction. Fix this by calling updateTerminator() on
the fall-through block when relevant.
Also be more precise in PHIElimination::isLiveIn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88728 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 00:38:13 +00:00
Jakob Stoklund Olesen
9aebb61daf
Update MachineDominator information
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88727 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 00:38:06 +00:00
Lang Hames
b3661585c0
Added an API to the SlotIndexes pass to allow new instructions to be inserted into the numbering.
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PreAllocSplitting is now using this API to insert code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88725 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14 00:02:51 +00:00
Evan Cheng
1f6a3c820a
Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers.
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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
Eric Christopher
2b1ffeea28
Remove extraneous commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88716 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 23:08:47 +00:00
Eric Christopher
04458e404f
Print out something, even if it's non-parseable later when we've
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got ghost linkage. It's better than aborting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88715 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 23:00:14 +00:00
Jakob Stoklund Olesen
1222287543
Fix PHIElimination optimization that uses MBB->getBasicBlock.
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The BasicBlock associated with a MachineBasicBlock does not necessarily
correspond to the code in the MBB.
Don't insert a new IR BasicBlock when splitting critical edges. We are not
supposed to modify the IR during codegen, and we should be able to do just
fine with a NULL BB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 21:56:15 +00:00
Jakob Stoklund Olesen
ce727d0da0
Add MachineFunction::verify() to call the machine code verifier directly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88706 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 21:56:09 +00:00
Jakob Stoklund Olesen
52cd548525
The instruction pointer %RIP is a reserved register on x86_64.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 21:56:01 +00:00
Jakob Stoklund Olesen
1dc0fcbaed
Fix polarity of a CFG check in machine verifier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88704 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 21:55:54 +00:00
Dan Gohman
24f8e29b4e
Use .data() instead of .c_str() when nul-termination is not needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 21:55:31 +00:00
David Greene
1924aabf99
Move DebugInfo checks into EmitComments and remove them from
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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
Dan Gohman
c4c550c758
When optimizing for size, don't tail-merge unless it's likely to be a
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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:
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D0<def,dead> = ...
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= S0<use, kill>
S0<def> = ...
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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
David Goodwin
87d21b92fc
Allow target to specify regclass for which antideps will only be broken along the critical path.
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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
Bruno Cardoso Lopes
a8173b934f
Support fp64 immediate zero, this fixes only part of PR5445
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because the testcase is triggering one more bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88674 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13 18:49:59 +00:00