Dan Gohman
c21a2dc8df
Delete an unused function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101263 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:22:02 +00:00
Dan Gohman
5dc44335b1
Clear the FunctionLoweringInfo object before doing other things that
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don't need it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101262 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:13:16 +00:00
Dan Gohman
0e026729ae
Move this assert out of SelectionDAGISel into FunctionLoweringInfo, and
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drop the redundant #ifndef NDEBUG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101261 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:11:23 +00:00
Dan Gohman
046fe6b6ba
Add a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101260 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:09:37 +00:00
Dan Gohman
b13033f61c
Move the code for initialing the entry block livein set out of
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SelectionDAGISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:05:00 +00:00
Dan Gohman
c0fb65da04
Reorgnaize this code to be more tidy and readable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101256 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 17:02:07 +00:00
Dan Gohman
441516fb3d
Trim #includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101255 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:54:39 +00:00
Dan Gohman
98708260f5
Move the code for emitting livein copies out of SelectionDAGISel.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101254 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:51:49 +00:00
Gabor Greif
67894a3d02
performance: cache the dereferenced use_iterator
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:48:56 +00:00
Dan Gohman
de4c0a7da7
Sink landing-pad marking code out of
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SelectionDAGISel::runOnMachineFunction into FunctionLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101252 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:32:56 +00:00
Dan Gohman
d0d8275cb2
It's not necessary to recompute EB here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101251 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:30:40 +00:00
Gabor Greif
488d4421c6
performance: cache the dereferenced use_iterator
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:13:56 +00:00
Dan Gohman
2c93e39072
Add a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101248 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 16:08:56 +00:00
Nick Lewycky
29efad1d26
Enable RTTI again. While this works fine for LLVM, it creates an ABI
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incompatibility with some clients covered by the buildbots, such as llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101237 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 05:51:59 +00:00
Nick Lewycky
0a850d6af4
Turn off RTTI for VMCore. Yay!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101233 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 05:30:13 +00:00
Nick Lewycky
3c594ff290
I don't know how, but I managed to goof the revert. Remove function that should
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have been removed in r101231.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101232 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 05:03:50 +00:00
Nick Lewycky
3715e45da5
Revert r101213.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101231 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 04:51:58 +00:00
Nick Lewycky
beba1a31a4
Fix 80 column ruler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101229 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 04:40:35 +00:00
Chris Lattner
d305035155
implement mc asmparser support for '.', which gets the
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current PC. rdar://7834775
We now produce an identical .o file compared to the cctools
assembler for something like this:
_f0:
L0:
jmp L1
.long . - L0
L1:
jmp A
.long . - L1
.zerofill __DATA,_bss,A,0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 04:40:28 +00:00
Nick Lewycky
ff1ef6bdf1
Remove tab.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101223 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 04:19:05 +00:00
Nick Lewycky
5894c0b60e
While DAE can't modify the function signature of an externally visible function,
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it can check whether the visible direct callers are passing in parameters to
dead arguments and replace those with undef.
This reinstates r94322 with bugs fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101213 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 03:38:11 +00:00
Dan Gohman
32acbc1e50
Generalize this code to handle Instructions in addition to ConstantExprs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101210 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 02:33:23 +00:00
Dan Gohman
b4be71e112
Reorder the methods of this class to be a little more organized.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101206 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 02:09:45 +00:00
Johnny Chen
6f72ab345d
Fixed another assert exposed by fuzzing. Now, when an encoding error occurs
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involing getBFCInvMask() where lsb <= msb does not hold true, the disassembler
just returns false, instead of assert, to indicate disassembly error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101205 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 02:05:29 +00:00
Devang Patel
1d526c38e2
Clear MachineInstr->MCSymbol maps at the end of a function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101202 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 01:18:28 +00:00
Johnny Chen
efcdac0c41
Fixed an assert() exposed by fuzzing. Now, instead of assert when an invalid
...
instruction encoding is encountered, we just return a NULL ARMBasicMCBuilder
instance and the client just returns false to indicate disassembly error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101201 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14 01:17:37 +00:00
Douglas Gregor
533ae9b71d
Unbreak CMake build by improving the EnhancedDisassembly makefile a
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bit (we're not trying to build a shared library yet) and generating
the X86GenEDInfo.inc and ARMGenEDInfo.inc files as necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 22:47:43 +00:00
Evan Cheng
6327537a37
Fast path implicit_def check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101183 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 22:13:34 +00:00
Bob Wilson
6a234f07fa
Handle a v2f64 formal parameter that is split between registers and memory
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such that the entire second half is in memory. Radar 7855014.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101181 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 22:03:22 +00:00
Sean Callanan
9899f70a74
Fixed a nasty layering violation in the edis source
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code. It used to #include the enhanced disassembly
information for the targets it supported straight
out of lib/Target/{X86,ARM,...} but now it uses a
new interface provided by MCDisassembler, and (so
far) implemented by X86 and ARM.
Also removed hacky #define-controlled initialization
of targets in edis. If clients only want edis to
initialize a limited set of targets, they can set
--enable-targets on the configure command line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 21:21:57 +00:00
Johnny Chen
8a87ffb925
Changed getSOImmValRotate()'s hunt retry logic to ignore the low order 6 bits,
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instead of 7, because we are only looking for even rotate amount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101172 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 20:35:16 +00:00
Devang Patel
50d80e394d
Do not include types without any definition in pubtypes list.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101171 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 20:35:04 +00:00
Evan Cheng
c15d9135a8
Avoid variable shadowing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101170 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 20:25:29 +00:00
Evan Cheng
aeb2f4aa46
Expand postra machine licm's capability a little more. If an instruction's register operands are all loop invariants, then it's safe to hoist it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 20:21:05 +00:00
Jakob Stoklund Olesen
8d17160e2c
Teach MachineSinking to handle easy critical edges.
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Sometimes it is desirable to sink instructions along a critical edge:
x = ...
if (a && b) ...
else use(x);
The 'a && b' condition creates a critical edge to the else block, but we still
want to sink the computation of x into the block. The else block is dominated by
the parent block, so we are not pushing instructions into new code paths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101165 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 19:06:14 +00:00
Evan Cheng
fc5a03e469
Re-apply 101075 and fix it properly. Just reuse the debug info of the branch instruction being optimized. There is no need to --I which can deref off start of the BB.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101162 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 18:50:27 +00:00
Eric Christopher
97e6992e3e
Temporarily revert r101075, it's causing invalid iterator assertions
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in a nightly tester.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 18:37:58 +00:00
Evan Cheng
5dc57ce533
Teach postra machine licm to hoist more obvious invariants, e.g. instructions with no source operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101154 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 18:16:00 +00:00
Dan Gohman
4183e31978
Add a few comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 17:07:06 +00:00
Dan Gohman
81bf03eb5c
Eliminate MachineBasicBlock::const_livein_iterator and make
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MachineBasicBlock::livein_iterator a const_iterator, because
clients shouldn't ever be using the iterator interface to
mutate the livein set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:57:55 +00:00
Dan Gohman
9e9aa44d1a
Rename MachineFrameInfo variables to MFI, for consistency with
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the rest of CodeGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:56:45 +00:00
Dan Gohman
13e73f483e
Move MachineRegisterInfo's isLiveIn and isLiveOut out of line.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:55:37 +00:00
Dan Gohman
c5e43c958e
Use MachineBasicBlock::isLiveIn.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:53:51 +00:00
Dan Gohman
5c982949bf
Delete an unused member variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:51:39 +00:00
Dan Gohman
28287794d4
Teach ScalarEvolution to simplify smax and umax when it can prove
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that one operand is always greater than another.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:51:03 +00:00
Dan Gohman
3ab131243e
Minor code micro-optimizations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101141 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:49:23 +00:00
Eric Christopher
2a7cb9d9ce
Actually... return after the check for invalid input.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101139 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:41:29 +00:00
Benjamin Kramer
b0322e6ddf
BumpPtrAllocator::Reset() doesn't need to allocate anything. (Thanks, Jakob)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 16:38:06 +00:00
Benjamin Kramer
5e6a705985
Let BumpPtrAllocator lazily allocate the first slab.
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We have some code in llvm and clang where a BumpPtrAllocator is declared in a
class but never used in the common case. Stop wasting memory there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 14:41:51 +00:00
Owen Anderson
d5e624027a
Remove SCCVN from the CMake build system.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 08:33:09 +00:00
Owen Anderson
fd64901579
SCCVN, we hardly knew ye!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101117 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 05:24:08 +00:00
Chris Lattner
7c57b7b808
Fix PR6826: GraphWriter delete the generated file before "dotty" load it,
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patch by 'ether'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101116 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 04:35:39 +00:00
Bob Wilson
b123b8bee0
Replace r101053 with a fix for getSOImmValRotate() so that it will correctly
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recognize all the valid rotated immediates. This fixes the disassembler
issue and will also help codegen for some unusual constant values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101114 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 02:11:48 +00:00
Dan Gohman
a590b79ee2
Teach IndVarSimplify how to eliminate remainder operators where the
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numerator is an induction variable. For example, with code like this:
for (i=0;i<n;++i)
x[i%n] = 0;
IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the remainder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 01:46:36 +00:00
Daniel Dunbar
afc9a0c6b0
VMCore: Add Type::getIntN[Ptr]Ty, which are the obvious generic forms of
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Type::getInt{1,8,...}[Ptr]Ty, so code can consistently use the methods on Type
without occasionally needed to call IntegerType::get.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101111 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 01:39:07 +00:00
Chris Lattner
43ac721e3b
add llvm codegen support for -ffunction-sections and -fdata-sections,
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patch by Sylvere Teissier!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101106 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13 00:36:43 +00:00
Dan Gohman
bca091d561
Micro-optimize a few hot spots.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101086 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 23:08:18 +00:00
Evan Cheng
82865a10f8
Use .set expression for x86 pic jump table reference to reduce assembly relocation. rdar://7738756
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101085 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 23:07:17 +00:00
Dan Gohman
6ab10f69a9
Add fast paths to ScalarEvolution::getSizeOf and getOffsetOf, as
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they're used a lot by getNodeForGEP, which can be called a lot.
This speeds up -iv-users by around 15% on several testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 23:03:26 +00:00
Bill Wendling
2aae6ae572
Micro-optimization:
...
If we have this situation:
jCC L1
jmp L2
L1:
...
L2:
...
We can get a small performance boost by emitting this instead:
jnCC L2
L1:
...
L2:
...
This testcase shows an example of this:
float func(float x, float y) {
double product = (double)x * y;
if (product == 0.0)
return product;
return product - 1.0;
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101075 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 22:19:57 +00:00
Dan Gohman
3b49063a83
Simplify this code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101074 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 22:12:29 +00:00
Dan Gohman
ca9b7037e2
Suppress LinearFunctionTestReplace when the computed backedge-taken
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expression is a UDiv and it doesn't appear that the UDiv came from
the user's source.
ScalarEvolution has recently figured out how to compute a tripcount
expression for the inner loop in
SingleSource/Benchmarks/Shootout/sieve.c, using a udiv. Emitting a
udiv instruction dramatically slows down the enclosing loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101068 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 21:13:43 +00:00
Johnny Chen
bb6e9d8cf7
Fixed a crasher in arm disassembler within ARMInstPrinter.cpp after calling
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ARM_AM::getSoImmVal(V) with a legitimate so_imm value: #245 rotate right by 2.
Introduce ARM_AM::getSOImmValOneOrNoRotate(unsigned Arg) which is called from
ARMInstPrinter.cpp's printSOImm() function, replacing ARM_AM::getSOImmVal(V).
[12:44:43] johnny:/Volumes/data/llvm/git/trunk (local-trunk) $ gdb Debug/bin/llvm-mc
GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51 UTC 2009)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries ... done
(gdb) set args -triple=arm-apple-darwin9 -debug-only=arm-disassembler --disassemble
(gdb) r
Starting program: /Volumes/data/llvm/git/trunk/Debug/bin/llvm-mc -triple=arm-apple-darwin9 -debug-only=arm-disassembler --disassemble
Reading symbols for shared libraries ++. done
0xf5 0x71 0xf0 0x53
Opcode=201 Name=MVNi Format=ARM_FORMAT_DPFRM(4)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
-------------------------------------------------------------------------------------------------
| 0: 1: 0: 1| 0: 0: 1: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 1: 1: 1| 0: 0: 0: 1| 1: 1: 1: 1| 0: 1: 0: 1|
-------------------------------------------------------------------------------------------------
mvnpls r7, Assertion failed: (V != -1 && "Not a valid so_imm value!"), function printSOImm, file ARMInstPrinter.cpp, line 229.
Program received signal SIGABRT, Aborted.
0x00007fff88c65886 in __kill ()
(gdb) bt
#0 0x00007fff88c65886 in __kill ()
#1 0x00007fff88d05eae in abort ()
#2 0x00007fff88cf2ef0 in __assert_rtn ()
#3 0x000000010020e422 in printSOImm (O=@0x1010bdf80, V=-1, VerboseAsm=false, MAI=0x1020106d0) at ARMInstPrinter.cpp:229
#4 0x000000010020e5fe in llvm::ARMInstPrinter::printSOImmOperand (this=0x1020107e0, MI=0x7fff5fbfee70, OpNum=1, O=@0x1010bdf80) at ARMInstPrinter.cpp:254
#5 0x00000001001ffbc0 in llvm::ARMInstPrinter::printInstruction (this=0x1020107e0, MI=0x7fff5fbfee70, O=@0x1010bdf80) at ARMGenAsmWriter.inc:3236
#6 0x000000010020c27c in llvm::ARMInstPrinter::printInst (this=0x1020107e0, MI=0x7fff5fbfee70, O=@0x1010bdf80) at ARMInstPrinter.cpp:182
#7 0x000000010003cbff in PrintInsts (DisAsm=@0x10200f4e0, Printer=@0x1020107e0, Bytes=@0x7fff5fbff060, SM=@0x7fff5fbff078) at Disassembler.cpp:65
#8 0x000000010003c8b4 in llvm::Disassembler::disassemble (T=@0x1010c13c0, Triple=@0x1010b6798, Buffer=@0x102010690) at Disassembler.cpp:153
#9 0x000000010004095c in DisassembleInput (ProgName=0x7fff5fbff3f0 "/Volumes/data/llvm/git/trunk/Debug/bin/llvm-mc") at llvm-mc.cpp:347
#10 0x000000010003eefb in main (argc=4, argv=0x7fff5fbff298) at llvm-mc.cpp:374
(gdb) q
The program is running. Exit anyway? (y or n) y
[13:36:26] johnny:/Volumes/data/llvm/git/trunk (local-trunk) $
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101053 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 18:46:53 +00:00
Dan Gohman
8b3d6682a4
Remove a #include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 16:26:03 +00:00
Tobias Grosser
63d3659a44
Remove unneeded debug in PostDominator runOnFunction()
...
The information is already available with "opt -analyze". The DominatorTree
does also not have this in its runOnFunction. So they behave now
more consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 15:32:55 +00:00
Tobias Grosser
e7e08c39de
Remove dead code in the dotty dominance tree printer.
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This template is not needed anymore as it was replaced by the
DOTGraphTraitsViewer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101036 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 15:02:19 +00:00
Benjamin Kramer
678d9b7ed0
Plug trivial leak.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 11:38:35 +00:00
Dan Gohman
ef817ccec4
Delete this code, which is no longer needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 08:00:22 +00:00
Dan Gohman
d890f29ca6
Move the EliminateIVUsers call back out to its original location. Now that
...
a ScalarEvolution bug with overflow handling is fixed, the normal analysis
code will automatically decline to operate on the icmp instructions which
are responsible for the loop exit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101032 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 07:56:56 +00:00
Dan Gohman
27dead44e0
Generalize ScalarEvolution's PHI analysis to handle loops that don't
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have preheaders or dedicated exit blocks, as clients may not otherwise
need to run LoopSimplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101030 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 07:49:36 +00:00
Dan Gohman
646e047765
Rewrite the overflow checking in the get{Signed,Unsigned}Range code for
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AddRecs so that it checks for overflow in the computation that it is
performing, rather than just checking hasNo{Signed,Unsigned}Wrap, since
those flags are for a different computation. This fixes a bug that
impacts an upcoming change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101028 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 07:39:33 +00:00
Dan Gohman
dd842e34c8
Use RecursivelyDeleteTriviallyDeadInstructions in EliminateIVComparisons,
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instead of deleting just the user. This makes it more consistent with
other code in IndVarSimplify, and theoretically can eliminate more users
earlier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101027 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 07:29:15 +00:00
Evan Cheng
09010a30fd
Enable post regalloc machine licm by default.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101023 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 06:25:28 +00:00
Eric Christopher
67a71b5306
Verify function prototypes before trying to optimize functions. We also
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need TargetData, just return false if we don't have it.
Update testcases accordingly.
Fixes PR6807.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 04:48:00 +00:00
Dan Gohman
58c2587ed8
Remove unnecessary parens.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 02:24:01 +00:00
Dan Gohman
ce80051170
Minor code simplification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 02:22:30 +00:00
Dan Gohman
931e345e76
Re-apply r101000, with a fix: Don't eliminate an icmp which is part of
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the loop exit test. This usually doesn't come up for a variety of
reasons, but it isn't impossible, so make IndVarSimplify handle it
conservatively.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 02:21:50 +00:00
Dan Gohman
ac3b9cdf15
Revert 101000, which is breaking self-host builds.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101002 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12 00:17:10 +00:00
Dan Gohman
5ee60f7508
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 23:44:58 +00:00
Dan Gohman
3fddbb337d
Teach IndVarSimplify how to eliminate comparisons involving induction
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variables. For example, with code like this:
for (i=0;i<n;++i)
if (i<n)
x[i] = 0;
IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the if.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 23:10:12 +00:00
Dan Gohman
53c66eacc4
Enhance ScalarEvolution::isKnownPredicate with support for
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loop conditions which are invariants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 22:16:48 +00:00
Dan Gohman
b64cf896f8
Minor code simplification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 22:13:11 +00:00
Dan Gohman
bc7129f9db
When creating a ConstantRange for [n,UINT_MAX], special case n == 0, because
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ConstantRange(0, 0) creates an empty range rather than a full one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100993 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 22:12:18 +00:00
Dan Gohman
e521ccb5bd
Add a cast to void to show that the return value is being
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intentionally ignored.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100984 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 19:30:19 +00:00
Dan Gohman
87527c594f
Delete a dead check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100983 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 19:29:41 +00:00
Dan Gohman
86eeeaf877
Delete dead code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 19:28:47 +00:00
Dan Gohman
3948d0b8b0
Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise
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that it's only testing for the entry condition, not full loop-invariant
conditions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100979 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-11 19:27:13 +00:00
Chris Lattner
5106dcd078
Implement support for varargs functions without any fixed
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parameters in the CBE by implicitly adding a fixed argument.
This allows eliminating a work-around from DAE. Patch by
Sylvere Teissier!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 19:12:44 +00:00
Chris Lattner
6f285d2105
fix PR6743, a case where we'd delete an instruction before using it
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in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100937 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 18:26:57 +00:00
Chris Lattner
a2fb234b04
fix PR6760, a missing check in heap SRoA.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100936 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 18:19:22 +00:00
Chris Lattner
f7240de877
turn an assert into a proper check, fixing crash on invalid here:
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$ llvm-as t.ll
llvm-as: t.ll:1:6: error: expected 'type' after '='
%0 = = type { i32, float, float, double }
^
PR6810.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 18:01:25 +00:00
Chris Lattner
47e476609b
improve haiku portability, patch by Paul Davey.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100933 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 17:54:51 +00:00
Chris Lattner
0941534c71
add attributes and module level asm to the ocaml bindings,
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patch by Patrick Walton!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100932 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-10 17:52:58 +00:00
Dan Gohman
2c8a9f8ad9
Fix a typo and some indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100908 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 22:47:25 +00:00
Dan Gohman
e5f76877ae
When determining a canonical insert position, don't climb deeper
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into adjacent loops. Also, ensure that the insert position is
dominated by the loop latch of any loop in the post-inc set which
has a latch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 22:07:05 +00:00
Bob Wilson
347fa3fa26
Tidy whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 21:38:26 +00:00
Chris Lattner
e3a39d40db
suck the propagating "has dynamic libs" check into a single makefile
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variable TARGET_HAS_DYNAMIC_LIBS
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 20:51:47 +00:00
Chris Lattner
21aa347c28
add minix support, patch by Kees van Reeuwijk! PR6797
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100895 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 20:45:04 +00:00
Chris Lattner
2ebad5ad41
clean this up, fix std::min ambiguity on some platforms.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100894 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 20:43:54 +00:00
Wesley Peck
16ddd885d8
Adding IPSCCP and Internalize passes to the C-bindings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100893 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 20:43:20 +00:00
Bob Wilson
ec80e2693a
Provide versions of the ARM eh_sjlj_setjmp instructions for non-VFP subtargets
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such that the non-VFP versions have no implicit defs of VFP registers.
If any callee-saved VFP registers are marked as having been defined, the
prologue/epilogue code will try to save and restore them.
Radar 7770432.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100892 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 20:41:18 +00:00
Dan Gohman
f8d0578e4c
When emitting code for an add, don't force a SCEVUnknown wrapper around
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a hoisted intermediate result if the intermediate result isn't an
Instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100884 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 19:14:31 +00:00
Dan Gohman
4a2a683366
When looking for loop-invariant users, look through no-op instructions,
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so that an unfortunately placed bitcast doesn't pin a value in a
register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 19:12:34 +00:00
Chris Lattner
dc8446330f
"On SPU, variables in the .bss section that are allocated with the .lcomm directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment.
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this patch disables .lcomm in favour of '.local .comm'
Patch by Kalle Raisklia!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100875 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 18:27:03 +00:00
Dan Gohman
53b73a283e
Add a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100874 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 18:20:03 +00:00
Devang Patel
5142471fcd
Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100867 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 16:04:20 +00:00
Gabor Greif
c092362300
performance: cache result of looking up user
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100862 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 15:18:34 +00:00
Dan Gohman
6c3ae655b8
Minor code simplification.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100859 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 14:53:59 +00:00
Dan Gohman
7d597b4428
Delete this obsolete comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 14:12:01 +00:00
Gabor Greif
ea3eec9f85
const-ize a predicate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 10:57:00 +00:00
Chandler Carruth
7b0138ffab
Add a missing dependency to this library when building with CMake.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100852 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 05:55:25 +00:00
Bob Wilson
1793ab9e70
Use getNumImplicitDefs() and getNumImplicitUses().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100850 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 04:46:43 +00:00
Bob Wilson
0855cadb00
Fix up some comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 04:34:03 +00:00
Dan Gohman
d96eae8010
Refactor the code for computing the insertion point for an expression into
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a separate function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100845 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 02:00:38 +00:00
Dan Gohman
be02b20a8f
Add several more lint checks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 01:39:53 +00:00
Dan Gohman
b3cdb0ec31
Fix a bug in IVUsers which was permitting non-affine addrecs to
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be sent to LSR, which it isn't prepared to handle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100839 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 01:22:56 +00:00
Chris Lattner
8829cec25f
fix a SCCP miscompilation that could happen when a
...
forced constant is changed to a constant, we would end
up adding the instruction to the wrong worklist,
preventing it from being properly revisited. This fixes
rdar://7832370
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100837 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-09 01:14:31 +00:00
Dan Gohman
e60bb15982
Avoid allocating a value of zero in a register if the initial formula
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inputs happen to negate each other.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100828 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 23:36:27 +00:00
Dan Gohman
dd98c4d185
Add a few more lint checks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100825 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 23:05:57 +00:00
Dan Gohman
e056781323
Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100824 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 23:03:40 +00:00
Chris Lattner
287df1bc03
delete a forwarding function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 21:34:17 +00:00
Chris Lattner
74aae4726a
move elf section uniquing to MCContext. Along the way
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merge XCore's section into MCSectionELF
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 21:26:26 +00:00
Chris Lattner
22772214de
remove the TargetLoweringObjectFileMachO::getMachoSection
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api and update clients to use MCContext instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100808 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 20:40:11 +00:00
Chris Lattner
f0559e4b24
move macho section uniquing from MCParser and TLOF to MCContext where
...
the compiler and asmparser now unique to the same sections. This fixes
rdar://7835021.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100807 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 20:30:37 +00:00
Evan Cheng
a57fabe815
Coalescer should not delete copy instructions whose defs are partially dead. e.g.
...
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 20:02:37 +00:00
Ted Kremenek
b8db3c2c50
Update CMake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100802 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:52:18 +00:00
Ted Kremenek
d0e88f3596
Fix -Wsign-compare warning (issued by clang++).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100799 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:49:30 +00:00
Dan Gohman
113902e9fb
Add a -lint pass which checks for common sources of undefined or likely
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unintended behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100798 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:47:09 +00:00
Devang Patel
e37b0c6c25
Rename a function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:43:56 +00:00
Chris Lattner
d0024fec25
implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100792 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:20:52 +00:00
Dan Gohman
b57b6f1575
Pointers to zero-sized objects don't point to overlapping objects.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100789 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:11:50 +00:00
Dan Gohman
29e13e0c18
Print empty structs as {} rather than { }.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100787 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 18:03:05 +00:00
Devang Patel
1c246358a0
One instruction may start (or end) multiple lexical scopes.
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There is no need to remember labels identifying regions marked by such instructions in each scope.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100781 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 16:50:29 +00:00
Gabor Greif
fcf0f082f4
clean up algorithm and remove operand order assumptions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100780 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 16:46:24 +00:00
Dan Gohman
bcf9f00ed5
Fix a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100774 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 15:57:10 +00:00
Devang Patel
6a5975f49f
Remove dead code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100771 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 15:48:02 +00:00
Devang Patel
6669b81203
Delete out of date comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100769 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 15:41:13 +00:00
Devang Patel
6122a4d1c0
Refactor.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100768 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 15:37:09 +00:00
Benjamin Kramer
454c4ce479
Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100767 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 15:25:57 +00:00
Gabor Greif
f042f97d7e
use abstract interface in two more places
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 13:50:42 +00:00
Gabor Greif
e964af6ff8
fix compile
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 13:08:11 +00:00
Gabor Greif
2fa16e7083
use abstract interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100758 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 12:52:19 +00:00
Benjamin Kramer
1bd7335a17
Use twines to simplify calls to report_fatal_error. For code size and readability.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100756 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 10:44:28 +00:00
Evan Cheng
c3b0c341e7
Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100751 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 07:37:57 +00:00
Dan Gohman
8ef5caa80a
Revert this change from a while ago; ScalarEvolution shouldn't analyze
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undef as 0, since it can't force other analyses to intepret the undef
in the same way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 05:58:24 +00:00
Dan Gohman
701a4aef7f
When expanding expressions which are using post-inc mode for multiple loops,
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ensure that the expansion is dominated by the increments of those loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100748 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 05:57:57 +00:00
Evan Cheng
4038f9c21b
Make post regalloc machine licm functional. It now passes all of MultiSource.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100742 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 01:03:47 +00:00
Eric Christopher
419e223f5d
mpsadbw is not commutative.
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Fixes PR3440.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100736 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 00:52:02 +00:00
Sean Callanan
8f993b8c24
Added support for ARM disassembly to edis.
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I also added a rule to the ARM target's Makefile to
build the ARM-specific instruction information table
for the enhanced disassembler.
I will add the test harness for all this stuff in
a separate commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100735 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 00:48:21 +00:00
Chris Lattner
6129c37693
convert a report_fatal_error that I was able to trigger into a nice error
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so the user at least knows what inline asm is a problem. For example:
error: inline asm not supported yet: don't know how to handle tied indirect register inputs
pr8788-1.c:14:10: note: generated from here
asm ("\n" : "+r" (stack->regs)
^
Instead of:
fatal error: error in backend: Don't know how to handle tied indirect register inputs yet!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08 00:09:16 +00:00
Chris Lattner
87d677c185
minor tidying.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100725 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:50:38 +00:00
Chris Lattner
35a389344d
use assertions instead of unreachable for logic errors.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100724 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:47:51 +00:00
Chris Lattner
38686bdffd
introduce a new recoverable error handling API to LLVMContext
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and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100723 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:40:44 +00:00
Dan Gohman
a5ced590c9
Say bitcast instead of bitconvert.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100720 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:22:42 +00:00
Chris Lattner
b0094c2404
rename llvm_install_error_handler -> install_fatal_error_handler
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and friends.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100717 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:12:29 +00:00
Ted Kremenek
28e830d25f
Update CMake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100714 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:05:23 +00:00
Benjamin Kramer
da6379242c
Update cmake build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100713 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:01:37 +00:00
Eric Christopher
71988f1e5b
Add support for stpncpy_chk.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 23:00:07 +00:00
Chris Lattner
75361b69f3
rename llvm::llvm_report_error -> llvm::report_fatal_error
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:58:41 +00:00
Chris Lattner
e3a601b648
add newlines at end of files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100706 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:54:55 +00:00
Chris Lattner
1ca6531e2e
remove some unneeded errorhandling stuff.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100703 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:44:07 +00:00
Chris Lattner
f88c856a47
minor tidying up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100702 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:41:29 +00:00
Chris Lattner
00d139064e
tidy up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100700 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:29:10 +00:00
Dan Gohman
448db1cdef
Generalize IVUsers to track arbitrary expressions rather than expressions
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explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.
This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.
This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:27:08 +00:00
Johnny Chen
b72e59e361
Missed this one line for the previous checkin to fix build warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100697 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:21:03 +00:00
Johnny Chen
efd518e1fd
Fixed warnings pointed out by clang.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100696 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 22:03:27 +00:00
Johnny Chen
7e4823c51f
Fixed warnings pointed out by clang.
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Next to work on is ARMDisassemblerCore.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 21:52:48 +00:00
Sean Callanan
5edca81626
Fixed a bug where the disassembler would allow an immediate
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argument that had to be between 0 and 7 to have any value,
firing an assert later in the AsmPrinter. Now, the
disassembler rejects instructions with out-of-range values
for that immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100694 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 21:42:19 +00:00
Johnny Chen
c22e2fcf72
Fixed 3 warnings pointed out by clang.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100693 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 21:23:48 +00:00
Johnny Chen
3c500e6947
Re-enable ARM/Thumb disassembler and add a workaround for a memcpy() call in
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ARMDecoderEmitter.cpp, with FIXME comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100690 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 20:53:12 +00:00
Sean Callanan
90b7097f92
Added an AsmLexer for the ARM target, which uses
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a simple mapping of register names to IDs to
identify register tokens.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100685 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 20:29:34 +00:00
Dale Johannesen
375be7730a
Educate GetInstrSizeInBytes implementations that
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DBG_VALUE does not generate code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100681 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 19:51:44 +00:00
Gabor Greif
2723691492
fix 80-col violations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100677 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:59:26 +00:00
Anton Korobeynikov
4b38debf59
Remove late ARM codegen optimization pass committed by accident.
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It is not ready for public yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100673 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:23:27 +00:00
Anton Korobeynikov
e1676011c6
Split A8/A9 itins - they already were too big.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100672 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:22:11 +00:00
Anton Korobeynikov
895867326e
Add some crude itin approximation for VFP load / stores on A9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100671 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:22:03 +00:00
Anton Korobeynikov
67867135ec
Add some crude approximation for neon load/store instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100670 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:58 +00:00
Anton Korobeynikov
9113052a1f
Add some A8-based approximation for instructions with unknown cycle times
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100669 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:52 +00:00
Anton Korobeynikov
ebd4cb43c2
Move NEON-VFP domain fixer upper, so post-RA scheduler would benefit from it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100668 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:46 +00:00
Anton Korobeynikov
9ad709b523
Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100667 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:41 +00:00
Anton Korobeynikov
f3da92b2f2
Fix A8 FP NEON MAC itins
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100666 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:33 +00:00
Anton Korobeynikov
924369d58e
A9 NEON FP itins
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100665 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:27 +00:00
Anton Korobeynikov
ec69dfa7ca
Some permute goodness for A9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100664 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:22 +00:00
Anton Korobeynikov
5ca13c6ee3
More shift itins for A9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100663 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:16 +00:00
Anton Korobeynikov
ecc6406072
More fixes for itins
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100662 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:10 +00:00
Anton Korobeynikov
95102073e8
Fix invalid itins for 32-bit varians of VMLAL and friends
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100661 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:21:04 +00:00
Anton Korobeynikov
7930ac19e7
Add MAC stuff for A9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100660 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:58 +00:00
Anton Korobeynikov
d76da03e91
Fix invalid NEON MAC itins on A8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100659 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:53 +00:00
Anton Korobeynikov
dc0bab70cf
Fix itins for VPAL
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100658 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:47 +00:00
Anton Korobeynikov
0a3e2b591c
Fix itins for VABA
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100657 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:42 +00:00
Anton Korobeynikov
fc2b08438c
Correct VMVN itinerary: operand is read in the second cycle, not in the first.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100656 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:36 +00:00
Anton Korobeynikov
e715b1e43a
More A9 itineraries
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100655 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:29 +00:00
Anton Korobeynikov
1c03f2493f
Correct itinerary class for VPADD
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100654 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:24 +00:00
Anton Korobeynikov
4ac0af851f
VP{MAX, MIN} are of IIC_VSUBi4D itin class as well.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100653 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:18 +00:00
Anton Korobeynikov
f8b5c63617
VHADD differs from VHSUB at least on A9 - the former reads both operands in the second cycle, while the latter reads second operand in first cycle. Introduce new itin classes to catch this behavior. Whether this is true for A8 as well is WIP.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100652 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:13 +00:00
Anton Korobeynikov
268b7446cf
Some easy NEON scheduling goodness for A9
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100651 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:07 +00:00
Anton Korobeynikov
a31c6fb65e
Define new itin classes for ARM <-> VFP reg moves to distinguish from NEON ops. Define proper scheduling itinerary for them on A9. A8 TRM does not specify latency for them at all :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100650 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:20:02 +00:00
Anton Korobeynikov
63401e33cb
FCONST{S,D} behaves the same way as FP unary instructions. This is true for both A8 and A9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100649 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:19:56 +00:00
Anton Korobeynikov
bcc02d13bb
Proper cycle times for locks, since wbck latency can be larger than fwd latency.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100648 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:19:51 +00:00
Anton Korobeynikov
c492e09455
Add new itin classes for FP16 <-> FP32 conversions and make uise of them for A9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100647 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07 18:19:46 +00:00