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33922 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
8f16e02fc9 Allow the machine verifier to be run outside the PassManager. 
Verify LiveVariables information when present.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89241 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 20:36:57 +00:00
Jakob Stoklund Olesen
1e78aa445c Remove the -early-coalescing option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89240 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 20:36:47 +00:00
Lang Hames
38283e23df Fixed the in-place spiller and trivial rewriter, which had been broken by the recent SlotIndexes work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89238 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 20:31:20 +00:00
Viktor Kutuzov
e823db8bae Added getDefaultSubtargetFeatures method to SubtargetFeatures class which returns a correct feature string for given triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89236 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 20:20:05 +00:00
Bob Wilson
7cd5d3e05c Add statistics for tail duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89225 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 19:29:37 +00:00
David Goodwin
ebb5cb9216 Add ARMv6 itineraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 18:39:57 +00:00
Bob Wilson
a3003004aa Fix a few places that were missed when we converted to unified syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 18:10:35 +00:00
Jakob Stoklund Olesen
0257dd375d Don't require LiveVariables for PHIElimination. Enable critical edge splitting 
when LiveVariables is available.

The -split-phi-edges is now gone, and so is the hack to disable it when using
the local register allocator. The PHIElimination pass no longer has
LiveVariables as a prerequisite - that is what broke the local allocator.
Instead we do critical edge splitting when possible - that is when
LiveVariables is available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89213 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 18:01:35 +00:00
Nick Lewycky
b5106f5c33 Fix passing of float arguments through ffi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 05:43:15 +00:00
Bob Wilson
834b08af8d Add a target hook to allow changing the tail duplication limit based on the 
contents of the block to be duplicated.  Use this for ARM Cortex A8/9 to
be more aggressive tail duplicating indirect branches, since it makes it
much more likely that they will be predicted in the branch target buffer.
Testcase coming soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89187 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 03:34:27 +00:00
Bill Wendling
5eea342673 The llvm-gcc front-end and the pass manager use two separate TargetData objects. 
This is probably not confined to *just* these two things.

Anyway, the llvm-gcc front-end may look up the structure layout information for
an abstract type. That information will be stored into a table with the FE's
TD. Instruction combine can come along and also ask for information on that
abstract type, but for a separate TD (the one associated with the pass manager).

After the type is refined, the old structure layout information in the pass
manager's TD file is out of date. If a new type is allocated in the same space
as the old-unrefined type, then the structure type information in the pass
manager's TD file will be wrong, but won't know it.

Fix this by making the TD's structure type information an abstract type user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 01:03:56 +00:00
Dan Gohman
3dbb9e64d6 Simplify ComputeMultiple so that it doesn't depend on TargetData. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-18 00:58:27 +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
Devang Patel
427ef4e35f Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89156 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 22:39:08 +00:00
Eric Christopher
88b5aca20a Add ability to set code model within the execution engine builders 
and creation interfaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 21:58:16 +00:00
Jim Grosbach
5023095799 grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 21:37:04 +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
Jakob Stoklund Olesen
202344e124 Disable -split-phi-edges to unbreak the buildbots 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 21:23:49 +00:00
Jakob Stoklund Olesen
5493acac6f Never call UpdateTerminator() when AnalyzeBranch would fail. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89139 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 20:46:00 +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
Evan Cheng
2a085c3493 Add a WriteAsOperand for MachineBasicBlock so MachineLoopInfo dump looks sane. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 19:19:59 +00:00
Evan Cheng
7adcdc313f Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89129 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 19:19:01 +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
Jim Grosbach
464ecfee71 80-column violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89123 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 19:05:35 +00:00
Viktor Kutuzov
51cdac02c4 Added getArchNameForAssembler method to the Triple class for which returns OS and Vendor independent target assembler arch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 18:48:27 +00:00
Bob Wilson
aa60ddac39 Remove a special case for tail merging that seems to be both broken and 
unnecessary.  It is broken because the "isIdenticalTo" check should be
negated.  If that is fixed, this code causes the CodeGen/X86/tail-opts.ll
test to fail, in the dont_merge_oddly function.  And, I confirmed that the
regression is real -- the generated code is worse.  As far as I can tell,
that tail-opts.ll test is checking for what this code is supposed to handle
and we're doing the right thing anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 18:30:09 +00:00
Evan Cheng
076e085698 Generalize OptimizeLoopTermCond to optimize more loop terminating icmp to use postinc iv. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 18:10:11 +00:00
Dan Gohman
37d60fd142 Set MadeChange instead of MadeChangeThisIteration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89114 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 18:04:15 +00:00
Benjamin Kramer
110e7bb25c Revert CPU detection code to return "generic" instead of an empty string in case 
of failure. The x86 target didn't like empty cpu names and broke x86 tests on
non-x86 buildbots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 17:57:04 +00:00
Jim Grosbach
56a1f806af Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89110 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 17:53:56 +00:00
Bob Wilson
465c8252f2 Update a comment, now that tail duplication happens after other branch 
folding optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89109 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 17:40:31 +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
Bob Wilson
56ea69c3a2 Perform tail duplication only once, after tail merging is complete. 
It was too difficult to keep the heuristics for merging and duplication
consistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89105 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 17:06:18 +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
Evan Cheng
d15ac2fce3 Re-apply 89011. It's not to be blamed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 09:51:18 +00:00
Evan Cheng
6db07eac95 Revert 89011. Buildbot thinks it might be breaking stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 09:20:28 +00:00
Nick Lewycky
381afae68f Remove VISIBILITY_HIDDEN from the classes in this directory. Fixes bug 5507. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89075 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 09:17:08 +00:00
Nick Lewycky
5f9843f68f Revert r88939. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89066 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 08:11:44 +00:00
Nick Lewycky
0e49fe8140 Fail less mysteriously; inform the user that their LLVM was not built with 
libffi support and that the interpreter can't call external functions without
it. Patch by Timo Juhani Lindfors! Fixes PR5466.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89062 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 07:52:09 +00:00
Owen Anderson
252e574924 Fix a race condition in the Timer class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 07:06:10 +00:00
Bill Wendling
7378b1bd00 Refactor the code that creates the "dot-label" difference. This may be used in 
more than one place. No intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 01:23:53 +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
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
Dan Gohman
e0f06c78d3 Remove the optimizations that convert BRCOND and BR_CC into 
unconditional branches or fallthroghes. Instcombine/SimplifyCFG
should be simplifying branches with known conditions.

This fixes some problems caused by these transformations not
updating the MachineBasicBlock CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:47:23 +00:00
Devang Patel
76e3e50b8a Remove debug info attached with an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:47:06 +00:00
Jeffrey Yasskin
dc1472b6d9 In GlobalVariable::setInitializer, assert that the initializer has the 
right type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89014 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:43:13 +00:00
Evan Cheng
574186f8ad A few more instructions that should be marked re-materializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-17 00:23:22 +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
Dan Gohman
834651c945 Initialize the new AsmPrinterFlags field to 0, fixing uses of 
uninitialized memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 22:49:38 +00:00