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76706584c2
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Author SHA1 Message Date
Sean Callanan
76706584c2 Filled in a few new APIs for the enhanced 
disassembly library that provide access to
instruction information, and fixed ambiguous
wording in the comments for the header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95274 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 01:43:08 +00:00
Dan Gohman
523d70ec1f Use a tab instead of space after .type, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 01:42:13 +00:00
Dale Johannesen
c4b94e02af Rewrite FP constant handling in DEBUG_VALUE yet 
again, so it more or less handles long double.
Restore \n removed in latest MC frenzy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 01:33:43 +00:00
Victor Hernandez
af6ce14d67 Fix (and test) function-local metadata that occurs before the instruction that it refers to; fix is to not enumerate operands of function-local metadata until after all instructions have been enumerated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 01:13:08 +00:00
Eric Christopher
ec5ef6d8b0 If we're dealing with a zero-length array, don't lower to any 
particular size, we just don't know what the length is yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95266 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 23:56:07 +00:00
Dale Johannesen
9e90619a0e This test passes now on ppc darwin; if it doesn't pass 
on some other ppc say something on the list.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95265 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 22:33:17 +00:00
Dale Johannesen
60dab956ff This test passes now on ppc darwin, so reenable it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95264 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 22:29:02 +00:00
Dale Johannesen
ab847e7acb Debugging is now reenabled on PPC darwin, so reenable 
these tests (they pass).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 22:24:49 +00:00
Chris Lattner
1e80f403e2 enhance new encoder to support prefixes + RawFrm 
instructions with no operands.  It can now handle

define void @test2() nounwind { ret void }



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:57:59 +00:00
Chris Lattner
92b1dfe5d8 set up some infrastructure, some minor cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:43:43 +00:00
Evan Cheng
8148ae8847 Speculatively disable x86 automatic tail call optimization while we track down a self-hosting issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:40:40 +00:00
Evan Cheng
394f1b5334 Make test less fragile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:39:04 +00:00
Chris Lattner
4576247928 stub out a new X86 encoder, which can be tried with 
-enable-new-x86-encoder until its stable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:24:49 +00:00
Chris Lattner
ce79a25980 rename createX86MCCodeEmitter to more accurately reflect what it creates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:14:33 +00:00
Kevin Enderby
12ce0de462 Added support for X86 instruction prefixes so llvm-mc can assemble them. The 
Lock prefix, Repeat string operation prefixes and the Segment override prefixes.
Also added versions of the move string and store string instructions without the
repeat prefixes to X86InstrInfo.td. And finally marked the rep versions of
move/store string records in X86InstrInfo.td as isCodeGenOnly = 1 so tblgen is
happy building the disassembler files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:04:42 +00:00
Devang Patel
c1dc8fff79 Emit appropriate expression to find virtual base offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 20:08:48 +00:00
Devang Patel
4e0d19dfd9 Provide interface to identifiy artificial methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95240 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 19:57:19 +00:00
Jeffrey Yasskin
3a813dc707 r94686 changed all ModuleProvider parameters to Modules, which made the 
1-argument ExecutionEngine::create(Module*) ambiguous with the signature that
used to be ExecutionEngine::create(ModuleProvider*, defaulted_params).  Fixed
by removing the 1-argument create().  Fixes PR6221.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95236 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 19:18:04 +00:00
Jeffrey Yasskin
6351d6bb12 Make docs less specific about their versions, at Chris's suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95231 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 18:49:55 +00:00
Daniel Dunbar
9e2556c7bf Add llvm_supports_darwin_and_target to DejaGNU as well, I'd almost forgotten it 
ever existed. :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95230 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 18:43:46 +00:00
Jeffrey Yasskin
6cfb8a115e Mention the version in the documentation index and link to the 2.6 docs, which 
is what most readers will actually be aiming for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 18:23:23 +00:00
Daniel Dunbar
9dee8e3009 llvm-mc: Add --show-inst option, for showing the MCInst inline with the assembly 
output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 18:18:30 +00:00
Dan Gohman
523e3928a3 Add "Author Date Id Revision" svn:keyword properties to these files, as 
is done with the other html files in doc, to hopefully keep strings like
"Last modified" current.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95225 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 17:27:31 +00:00
Bob Wilson
3992feb075 Adjust the heuristics used to decide when SROA is likely to be profitable. 
The SRThreshold value makes perfect sense for checking if an entire aggregate
should be promoted to a scalar integer, but it is not so good for splitting
an aggregate into its separate elements.  A struct may contain a large embedded
array along with some scalar fields that would benefit from being split apart
by SROA.  Even if the total aggregate size is large, it may still be good to
perform SROA.  Thus, the most important piece of this patch is simply moving
the aggregate size comparison vs. SRThreshold so that it guards only the
aggregate promotion.

We have also been checking the number of elements to decide if an aggregate
should be split up.  The limit of "SRThreshold/4" seemed rather arbitrary,
and I don't think it's very useful to derive this limit from SRThreshold
anyway.  I've collected some data showing that the current default limit of
32 (since SRThreshold defaults to 128) is a reasonable cutoff for struct
types.  One thing suggested by the data is that distinguishing between structs
and arrays might be useful.  There are (obviously) a lot more large arrays
than large structs (as measured by the number of elements and not the total
size -- a large array inside a struct still counts as a single element given
the way we do SROA right now).  Out of 8377 arrays where we successfully
performed SROA while compiling a large set of benchmarks, only 16 of them had
more than 8 elements.  And, for those 16 arrays, it's not at all clear that
SROA was actually beneficial.  So, to offset the compile time cost of
investigating more large structs for SROA, the patch lowers the limit on array
elements to 8.

This fixes Apple Radar 7563690.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 17:23:56 +00:00
Garrison Venn
f9fba3087e Repository access test commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95221 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 12:00:02 +00:00
Zhongxing Xu
1d037b0272 Remove redundant declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 09:05:21 +00:00
Zhongxing Xu
1c8bd7dc0a Add constructors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 09:04:11 +00:00
Chris Lattner
beb42691b1 reapply r95206, this time actually delete the code I'm replacing in the third stub case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:42:38 +00:00
Chris Lattner
8427d2b0c6 revert r95206, it is apparently causing bootstrap failure on i386-darwin9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:41:18 +00:00
Chris Lattner
8ef2cef676 print instruction encodings with the existing comment facilities, 
so that llvm-mc -show-encoding prints like this:

	hlt                                                 ## encoding: [0xf4]

instead of like this:

	hlt
                     # encoding: [0xf4]



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:28:13 +00:00
Chris Lattner
ce2a725a72 make the x86 backend emit darwin stubs through mcstreamer 
instead of textually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:21:16 +00:00
Chris Lattner
d269a6e460 make MachineModuleInfoMachO hold non-const MCSymbol*'s instead 
of const ones.  non-const ones aren't very useful, because you can't
even, say, emit them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:18:30 +00:00
Chris Lattner
5669e30097 change addPassesToEmitFile to return true on failure instead of its input, 
add -filetype=null for performance testing and remove -filetype=dynlib,
which isn't planned to be implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 05:55:08 +00:00
Evan Cheng
febc81680c Revert 94937 and move the noreturn check to codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 03:55:59 +00:00
Sean Callanan
2e235a826d Fixed the disassembler so it accepts multiple 
instructions on a single line.  Also made it a
bit more forgiving when it reports errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 03:46:41 +00:00
John McCall
281d051921 Make APInt::countLeadingZerosSlowCase() treat the contents of padding bits 
as undefined.  Fixes an assertion in APFloat::toString noticed by Dale.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 03:42:44 +00:00
Evan Cheng
86809ccdad Allow all types of callee's to be tail called. But avoid automatic tailcall if the callee is a result of bitcast to avoid losing necessary zext / sext etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 03:28:02 +00:00
Jeffrey Yasskin
1611ebbbff Reconfigure with autoconf-2.60, and fix autoconf.ac to work with that version. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 02:11:49 +00:00
Chris Lattner
d26a80f666 don't emit \n's at the start of X86AsmPrinter::runOnMachineFunction, 
.o files don't like that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:49:49 +00:00
Chris Lattner
f64159c840 privatize a bunch of methods and move \n printing into them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:46:05 +00:00
Chris Lattner
99d806186e rename printMachineInstruction -> EmitInstruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95184 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:41:03 +00:00
Dale Johannesen
9a6636b2cd Reapply 95050 with a tweak to check the register class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:40:33 +00:00
Chris Lattner
850d2e2a1b print instructions through the mcstreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:16:28 +00:00
Chris Lattner
db0273184b emit instructions through the streamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:15:03 +00:00
Chris Lattner
c760be99db Finally eliminate printMCInst and send instructions through 
the streamer.  Demo:

$ cat t.ll 
define i32 @test() nounwind {
  ret i32 42
}
$ llc t.ll -o -
...
_test: 
	movl	$42, %eax
	ret
$ llc t.ll -o t.o -filetype=obj
$ otool -tv t.o 
t.o:
(__TEXT,__text) section
_test:
00000000	movl	$0x0000002a,%eax
00000005	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:13:25 +00:00
Chris Lattner
d1ff72b8a7 rejigger the world so that EmitInstruction prints the \n at 
the end of the instruction instead of expecting the caller to
do it.  This currently causes the asm-verbose instruction 
comments to be on the next line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:09:55 +00:00
Chris Lattner
0d883e3f84 sink handling of target-independent machine instrs (other 
than DEBUG_VALUE :(  ) into the target indep AsmPrinter.cpp
file.   This allows elimination of the 
NO_ASM_WRITER_BOILERPLATE hack among other things.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:00:52 +00:00
Chris Lattner
e0bb20cc03 make these less sensitive to asm verbose changes by disabling it for them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95175 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 00:48:53 +00:00
Dale Johannesen
b0e94241dd Print FPImm a less kludgy way; APFloat.toString seems 
to have some problems anyway.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 00:36:40 +00:00
Bob Wilson
e7b635f430 Fix some comment typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 00:33:21 +00:00