Johnny Chen [Thu, 11 Feb 2010 18:47:03 +0000 (18:47 +0000)]
Forgot to also check in this file for vcvt (floating-point <-> fixed-point, VFP).
Sorry!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95892
91177308-0d34-0410-b5e6-
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Dale Johannesen [Thu, 11 Feb 2010 18:23:23 +0000 (18:23 +0000)]
Allow for more than one DBG_VALUE targeting the
same dead instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95890
91177308-0d34-0410-b5e6-
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Dale Johannesen [Thu, 11 Feb 2010 18:22:31 +0000 (18:22 +0000)]
Don't allow DBG_VALUE to affect codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95889
91177308-0d34-0410-b5e6-
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Johnny Chen [Thu, 11 Feb 2010 18:17:16 +0000 (18:17 +0000)]
Added VCVT (between floating-point and fixed-point, VFP) for disassembly.
A8.6.297
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95885
91177308-0d34-0410-b5e6-
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Johnny Chen [Thu, 11 Feb 2010 18:12:29 +0000 (18:12 +0000)]
Added BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95884
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Thu, 11 Feb 2010 18:06:56 +0000 (18:06 +0000)]
Use array_pod_sort instead of std::sort for improved code size.
Use SmallVector instead of std::vector for better speed when indirectbr has
few successors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95879
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 11 Feb 2010 17:44:04 +0000 (17:44 +0000)]
Make sure that ConstantExpr offsets also aren't off of extern
symbols.
Thanks to Duncan Sands for the testcase!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95877
91177308-0d34-0410-b5e6-
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Johnny Chen [Thu, 11 Feb 2010 17:14:31 +0000 (17:14 +0000)]
Add pseudo instruction TRAP for disassembly, which is encoded according to A5-21
as the "Permanently UNDEFINED" instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95873
91177308-0d34-0410-b5e6-
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Bill Wendling [Thu, 11 Feb 2010 10:37:57 +0000 (10:37 +0000)]
Use .empty() instead of .size().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95871
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 08:45:56 +0000 (08:45 +0000)]
dont' call getX86RegNum on X86::RIP, it doesn't like that. This
fixes the remaining x86-64 jit failures afaik.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95867
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 08:41:21 +0000 (08:41 +0000)]
fix a really nasty bug I introduced in r95693: r12 (and r12d,
r12b, etc) also encodes to a R/M value of 4, which is just
as illegal as ESP/RSP for the non-sib version an address.
This fixes x86-64 jit miscompilations of a bunch of programs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95866
91177308-0d34-0410-b5e6-
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Jeffrey Yasskin [Thu, 11 Feb 2010 07:16:13 +0000 (07:16 +0000)]
Fix (harmless) memory leak found by memcheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95862
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 07:06:31 +0000 (07:06 +0000)]
Add and commonize encoder support for all immediates.
Stub out some dummy fixups to make things work.
We can now emit fixups like this:
subl $20, %esp ## encoding: [0x83,0xec,A]
## fixup A - offset: 2, value: 20, kind: fixup_1byte_imm
Emitting $20 as a single-byte fixup to be later resolved
by the assembler is ridiculous of course (vs just emitting
the byte) but this is a failure of the matcher, which
should be producing an imm of 20, not an MCExpr of 20.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95860
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 06:54:23 +0000 (06:54 +0000)]
generalize EmitDisplacementField to work with any size
and rename it to EmitImmediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95859
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 06:51:36 +0000 (06:51 +0000)]
eliminate the dead IsPCRel argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95858
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 06:49:52 +0000 (06:49 +0000)]
eliminate the dead "PCAdj" logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95857
91177308-0d34-0410-b5e6-
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Jeffrey Yasskin [Thu, 11 Feb 2010 06:41:30 +0000 (06:41 +0000)]
Fix some of the memcheck errors found in the JIT unittests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95856
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 06:26:33 +0000 (06:26 +0000)]
Rename ValueRequiresCast to ShouldOptimizeCast, to better reflect
what it does. Enhance it to return false to optimizing vector
sign extensions from vector comparisions, which is the idiom used
to get a splatted vector for a vector comparison.
Doing this breaks vector-casts.ll, add some compensating
transformations to handle the important case they cover without
depending on this canonicalization.
This fixes rdar://
7434900 a serious pessimization of vector compares.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95855
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 06:24:37 +0000 (06:24 +0000)]
convert to filecheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95854
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 05:11:54 +0000 (05:11 +0000)]
Make DSE only scan blocks that are reachable from the entry
block. Other blocks may have pointer cycles that will crash
basicaa and other alias analyses. In any case, there is no
point wasting cycles optimizing dead blocks. This fixes
rdar://
7635088
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95852
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 05:08:05 +0000 (05:08 +0000)]
a testcase that doesn't crash GVN but could someday.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95851
91177308-0d34-0410-b5e6-
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Chris Lattner [Thu, 11 Feb 2010 04:40:44 +0000 (04:40 +0000)]
Make jump threading honor x|undef -> true and x&undef -> false,
instead of considering x|undef -> x, which may not be true.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95850
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 11 Feb 2010 01:48:54 +0000 (01:48 +0000)]
Add ConstantExpr handling to Intrinsic::objectsize lowering.
Update testcase accordingly now that we can optimize another
section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95846
91177308-0d34-0410-b5e6-
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Devang Patel [Thu, 11 Feb 2010 01:31:01 +0000 (01:31 +0000)]
test case for r95842.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95844
91177308-0d34-0410-b5e6-
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Bill Wendling [Thu, 11 Feb 2010 01:15:27 +0000 (01:15 +0000)]
Fix to get it to compile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95840
91177308-0d34-0410-b5e6-
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Bill Wendling [Thu, 11 Feb 2010 01:13:02 +0000 (01:13 +0000)]
Don't print out a default newline when emitting the section offset. There are
almost always comments afterwards that need printing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95839
91177308-0d34-0410-b5e6-
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Jeffrey Yasskin [Thu, 11 Feb 2010 01:07:39 +0000 (01:07 +0000)]
Make it possible to create multiple JIT instances at the same time, by removing
the global TheJIT and TheJITResolver variables. Lazy compilation is supported
by a global map from a stub address to the JITResolver that knows how to
compile it.
Patch by Olivier Meurant!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95837
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Thu, 11 Feb 2010 00:34:33 +0000 (00:34 +0000)]
Reuse operand location when updating PHI instructions.
Calling RemoveOperand is very expensive on huge PHI instructions. This makes
early tail duplication run twice as fast on the Firefox JavaScript
interpreter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95832
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Thu, 11 Feb 2010 00:34:18 +0000 (00:34 +0000)]
Remove duplicate successors from indirectbr instructions before building the machine CFG.
This makes early tail duplication run 60 times faster when compiling the Firefox
JavaScript interpreter, see PR6186.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95831
91177308-0d34-0410-b5e6-
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Devang Patel [Thu, 11 Feb 2010 00:20:49 +0000 (00:20 +0000)]
Ignore dbg info intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95828
91177308-0d34-0410-b5e6-
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Kevin Enderby [Thu, 11 Feb 2010 00:18:12 +0000 (00:18 +0000)]
Remove the few # TAILCALL comments that snuck in. As they may fail on linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95827
91177308-0d34-0410-b5e6-
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Kevin Enderby [Thu, 11 Feb 2010 00:13:43 +0000 (00:13 +0000)]
Update the X86 assembler matcher test case now that a few more things match
with some of the recent changes that have gone into llvm-mc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95826
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 23:58:53 +0000 (23:58 +0000)]
Add support to llvm-extract for extracting multiple functions and/or
multiple global variables at a time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95825
91177308-0d34-0410-b5e6-
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Mon P Wang [Wed, 10 Feb 2010 23:37:45 +0000 (23:37 +0000)]
The previous fix of widening divides that trap was too fragile as it depends on custom
lowering and requires that certain types exist in ValueTypes.h. Modified widening to
check if an op can trap and if so, the widening algorithm will apply only the op on
the defined elements. It is safer to do this in widening because the optimizer can't
guarantee removing unused ops in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95823
91177308-0d34-0410-b5e6-
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Dale Johannesen [Wed, 10 Feb 2010 23:04:09 +0000 (23:04 +0000)]
Ignore debug info one more place during coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95819
91177308-0d34-0410-b5e6-
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Dale Johannesen [Wed, 10 Feb 2010 23:03:20 +0000 (23:03 +0000)]
Allow isDebug inquiry on any MO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95818
91177308-0d34-0410-b5e6-
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Bob Wilson [Wed, 10 Feb 2010 22:58:57 +0000 (22:58 +0000)]
Delete dead PHI machine instructions. These can be created due to type
legalization even when the IR-level optimizer has removed dead phis, such
as when the high half of an i64 value is unused on a 32-bit target.
I had to adjust a few test cases that had dead phis.
This is a partial fix for Radar
7627077.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95816
91177308-0d34-0410-b5e6-
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Dale Johannesen [Wed, 10 Feb 2010 21:47:48 +0000 (21:47 +0000)]
Skip debug info in a couple of places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95814
91177308-0d34-0410-b5e6-
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Bill Wendling [Wed, 10 Feb 2010 21:41:57 +0000 (21:41 +0000)]
Use an index instead of pointers into the vector. If the vector resizes, then
the pointer values could be invalid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95813
91177308-0d34-0410-b5e6-
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Dale Johannesen [Wed, 10 Feb 2010 21:41:41 +0000 (21:41 +0000)]
When I rewrote this loop per Chris' preference I
changed its behavior. Oops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95811
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 10 Feb 2010 21:37:31 +0000 (21:37 +0000)]
add a virtual dtor to MCTargetExpr, hopefully silencing some warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95810
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 10 Feb 2010 21:26:04 +0000 (21:26 +0000)]
A few missed optimizations; the last one could have a significant impact on
code with lots of bitfields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95809
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 10 Feb 2010 21:22:51 +0000 (21:22 +0000)]
work around a gcc bug with -Wuninitialized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95808
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 10 Feb 2010 21:19:56 +0000 (21:19 +0000)]
Strip new llvm.dbg.value intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95807
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 21:19:28 +0000 (21:19 +0000)]
MC/X86 AsmMatcher: Fix a use after free spotted by d0k, and de-XFAIL
x86_32-encoding.s in on expectation of it passing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95806
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 21:01:04 +0000 (21:01 +0000)]
XFAIL this on linux until I figure out what is happening.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95804
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 21:00:55 +0000 (21:00 +0000)]
lit: Ignore dot files when scanning for tests (e.g., editor temprary files,
etc.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95803
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 21:00:47 +0000 (21:00 +0000)]
MC/AsmMatcher: Tweak conversion function name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95802
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 20:42:57 +0000 (20:42 +0000)]
Minor whitespace cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95801
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 20:42:37 +0000 (20:42 +0000)]
Use an AssemblyAnnotatorWriter to clean up IVUsers' debug output.
The "uses=" comments are just clutter in this context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95799
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 20:41:46 +0000 (20:41 +0000)]
Add a hook to AssemblyAnnotationWriter to allow custom info comments
to be printed, in place of the familiar "uses=" comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95798
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 20:23:33 +0000 (20:23 +0000)]
Use doxygen comment syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95797
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 20:04:19 +0000 (20:04 +0000)]
Fix several comments which had previously been "the the" where a
different word was intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95795
91177308-0d34-0410-b5e6-
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Kevin Enderby [Wed, 10 Feb 2010 19:13:56 +0000 (19:13 +0000)]
Replace this file containing 4 tests of x86 32-bit encodings with a file
containing the subset of the full auto generated test case that currently
encodes correctly. Again it is useful as we bring up the the new encoder
to make sure currently working stuff stays working.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95791
91177308-0d34-0410-b5e6-
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Johnny Chen [Wed, 10 Feb 2010 18:02:25 +0000 (18:02 +0000)]
Added NOP, DBG, SVC to the instruction table for disassembly purpose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95784
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 16:03:48 +0000 (16:03 +0000)]
Fix "the the" and similar typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 15:54:22 +0000 (15:54 +0000)]
Minor code simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95780
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Wed, 10 Feb 2010 13:34:02 +0000 (13:34 +0000)]
Silence GCC warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95779
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 08:15:48 +0000 (08:15 +0000)]
MC/AsmMatcher: Add support for creating tied operands when constructing MCInsts.
- Pretty messy, but we need to rework how we handle tied operands in MCInst
anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95774
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 10 Feb 2010 06:52:12 +0000 (06:52 +0000)]
emit some simple (and probably incorrect) fixups for symbolic
displacement values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95773
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 10 Feb 2010 06:41:02 +0000 (06:41 +0000)]
keep track of what the current byte being emitted is
throughout the X86 encoder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95771
91177308-0d34-0410-b5e6-
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Chris Lattner [Wed, 10 Feb 2010 06:30:00 +0000 (06:30 +0000)]
simplify displacement handling, emit displacements by-operand
even for the immediate case. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95770
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 06:13:07 +0000 (06:13 +0000)]
Canonicalize sizeof and alignof on pointer types to a canonical
pointer type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95769
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Feb 2010 05:54:04 +0000 (05:54 +0000)]
Implement operators |=, &=, and ^= for SmallBitVector, and remove the
restriction in BitVector for |= and ^= that the operand must be the
same length.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95768
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 04:47:08 +0000 (04:47 +0000)]
MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the
MCInst it came from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95767
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 04:46:51 +0000 (04:46 +0000)]
Fix a signed comparison warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95766
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 04:10:10 +0000 (04:10 +0000)]
Remove stray DOS newline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95765
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Wed, 10 Feb 2010 04:09:52 +0000 (04:09 +0000)]
Add a ReleaseNotes FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95764
91177308-0d34-0410-b5e6-
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Garrison Venn [Wed, 10 Feb 2010 03:38:29 +0000 (03:38 +0000)]
Prevented build on WINDOWS using default make system. Stopped WINDOWS build
at eh llvm/examples level using if check on LLVM_ON_UNIX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95763
91177308-0d34-0410-b5e6-
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Sean Callanan [Wed, 10 Feb 2010 03:23:23 +0000 (03:23 +0000)]
Updated the enhanced disassembly library's TableGen
backend to not use exceptions at all except in cases
of actual error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95762
91177308-0d34-0410-b5e6-
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Garrison Venn [Wed, 10 Feb 2010 02:50:08 +0000 (02:50 +0000)]
Prevented ExceptionDemo example being built on WINDOWS via if( NOT WIN32 )
check in examples cmake list file. This has NOT been tested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95761
91177308-0d34-0410-b5e6-
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Sean Callanan [Wed, 10 Feb 2010 02:47:08 +0000 (02:47 +0000)]
Updated the TableGen emitter for the Enhanced
Disassembler to take advantage of the refactored
AsmWriterInst.h. Note removed parser code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95760
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Sean Callanan [Wed, 10 Feb 2010 02:27:43 +0000 (02:27 +0000)]
Changed AsmWriterOperand to also include the index of the
operand into the CodeGenInstruction's list of operands,
which is useful for EDEmitter. (Still working on PR6219)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95759
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Evan Cheng [Wed, 10 Feb 2010 02:17:34 +0000 (02:17 +0000)]
Now that ShrinkDemandedOps() is separated out from DAG combine. It sometimes leave some obvious nops which dag combine used to clean up afterwards e.g. (trunk (ext n)) -> n. Look for them and squash them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95757
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Chris Lattner [Wed, 10 Feb 2010 01:46:47 +0000 (01:46 +0000)]
"fixup" a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95754
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Chris Lattner [Wed, 10 Feb 2010 01:45:28 +0000 (01:45 +0000)]
Introduce a new CodeGenInstruction::ConstraintInfo class
for representing constraint info semantically instead of
as a c expression that will be blatted out to the .inc
file. Fix X86RecognizableInstr to use this instead of
parsing C code :).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95753
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Daniel Dunbar [Wed, 10 Feb 2010 01:41:14 +0000 (01:41 +0000)]
llvm-mc: Remove --show-fixups and always show as part of --show-encoding.
Also, fix a silly memory leak.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95752
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Dale Johannesen [Wed, 10 Feb 2010 01:31:26 +0000 (01:31 +0000)]
Rewrite loop to suit Chris' preference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95749
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Chris Lattner [Wed, 10 Feb 2010 01:23:18 +0000 (01:23 +0000)]
fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95748
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Evan Cheng [Wed, 10 Feb 2010 01:22:57 +0000 (01:22 +0000)]
Remove duplicated #include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95747
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Evan Cheng [Wed, 10 Feb 2010 01:21:02 +0000 (01:21 +0000)]
Emit an error for illegal inline asm constraint (which uses illegal type) rather than asserting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95746
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Chris Lattner [Wed, 10 Feb 2010 01:17:36 +0000 (01:17 +0000)]
fix missing #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95745
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Chris Lattner [Wed, 10 Feb 2010 01:05:28 +0000 (01:05 +0000)]
daniel *really* likes fixups!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95742
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Chris Lattner [Wed, 10 Feb 2010 01:04:16 +0000 (01:04 +0000)]
Stop MachineInstr.h from #including AsmPrinter.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95741
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Bill Wendling [Wed, 10 Feb 2010 00:59:47 +0000 (00:59 +0000)]
Improve comments a even more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95740
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Dale Johannesen [Wed, 10 Feb 2010 00:55:42 +0000 (00:55 +0000)]
Skip DBG_VALUE many places in live intervals and
register coalescing. This fixes many crashes and
places where debug info affects codegen (when
dbg.value is lowered to machine instructions, which
it isn't yet in TOT).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95739
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Chris Lattner [Wed, 10 Feb 2010 00:47:53 +0000 (00:47 +0000)]
Move verbose asm instruction comments to using MCStreamer.
The major win of this is that the code is simpler and they
print on the same line as the instruction again:
movl %eax, 96(%esp) ## 4-byte Spill
movl 96(%esp), %eax ## 4-byte Reload
cmpl 92(%esp), %eax ## 4-byte Folded Reload
jl LBB7_86
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95738
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Bill Wendling [Wed, 10 Feb 2010 00:45:28 +0000 (00:45 +0000)]
Improve comments a bit more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95737
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Dale Johannesen [Wed, 10 Feb 2010 00:44:23 +0000 (00:44 +0000)]
more comment updates
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95736
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Dale Johannesen [Wed, 10 Feb 2010 00:41:49 +0000 (00:41 +0000)]
Add isDebug argument to ChangeToRegister; this prevents
the field from being used uninitialized later in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95735
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Chris Lattner [Wed, 10 Feb 2010 00:36:00 +0000 (00:36 +0000)]
print all the newlines at the end of instructions with
OutStreamer.AddBlankLine instead of textually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95734
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Kenneth Uildriks [Wed, 10 Feb 2010 00:14:03 +0000 (00:14 +0000)]
IntegerValType holds a uint32_t, so its constructor should take a uint32_t. This allows it to be properly initialized with bit widths > 65535
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95731
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Dale Johannesen [Wed, 10 Feb 2010 00:11:11 +0000 (00:11 +0000)]
Fix comments to reflect renaming elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95730
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Kevin Enderby [Wed, 10 Feb 2010 00:10:31 +0000 (00:10 +0000)]
Fix the encoding of the movntdqa X86 instruction. It was missing the 0x66
prefix which is part of the opcode encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95729
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Chris Lattner [Wed, 10 Feb 2010 00:10:18 +0000 (00:10 +0000)]
Add ability for MCInstPrinters to add comments for instructions.
Enhance the x86 backend to show the hex values of immediates in
comments when they are large. For example:
movl $
1072693248, 4(%esp) ## imm = 0x3FF00000
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95728
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David Greene [Tue, 9 Feb 2010 23:52:19 +0000 (23:52 +0000)]
TableGen fragment refactoring.
Move some utility TableGen defs, classes, etc. into a common file so
they may be used my multiple pattern files. We will use this for
the AVX specification to help with the transition from the current
SSE specification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95727
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Garrison Venn [Tue, 9 Feb 2010 23:22:43 +0000 (23:22 +0000)]
Adds a JIT based exception handling example to the examples directory.
Both zero cost example domain specific, and C++ foreign exception handling are
shown. The example's documentation fully explains how to run the example.
Notes:
1) The code uses an extremely simple type info model.
2) Only a single landing pad is used per unwind edge
(one call to llvm.eh.selector)
3) llvm.eh.selector support for filter arguments is not given.
4) llvm.eh.typeid.for is not used.
5) Forced unwind behavior is not supported.
6) Very little if any error handling is given.
7) __attribute__((__aligned__)) is used.
8) The code uses parts from the llvm compiler-rt project and
the llvm Kaleidoscope example.
9) The code has not been ported or tested on WINDOWS.
10) The code was not tested with a cmake build.
11) The code was tested for a debug build on 32bit X86 CentOS LINUX,
and both a debug and release build on OS X 10.6.2 (64bit).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95723
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Sean Callanan [Tue, 9 Feb 2010 23:06:35 +0000 (23:06 +0000)]
Fixed some indentation in the AsmWriterInst
implementation. Also changed the constructor
so that it does not require a Record, making it
usable by the EDEmitter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95715
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Johnny Chen [Tue, 9 Feb 2010 23:05:23 +0000 (23:05 +0000)]
Add VBIF/VBIT for disassembly only.
A8.6.279
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95713
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Jeffrey Yasskin [Tue, 9 Feb 2010 23:03:44 +0000 (23:03 +0000)]
Make --disable-libffi work on systems with libffi installed. Also
make no-ffi the default even on systems with libffi. This fixes
http://llvm.org/PR5018.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95712
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