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Author SHA1 Message Date
Dale Johannesen
5f337b582f Ignore debug info one more place during coalescing. 
llvm-svn: 95819
 2010-02-10 23:04:09 +00:00
Dale Johannesen
98ed32c3d7 Allow isDebug inquiry on any MO. 
llvm-svn: 95818
 2010-02-10 23:03:20 +00:00
Bob Wilson
82d5534acc 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.

llvm-svn: 95816
 2010-02-10 22:58:57 +00:00
Dale Johannesen
9d9478a53a Skip debug info in a couple of places. 
llvm-svn: 95814
 2010-02-10 21:47:48 +00:00
Bill Wendling
b288ec36ae Use an index instead of pointers into the vector. If the vector resizes, then 
the pointer values could be invalid.

llvm-svn: 95813
 2010-02-10 21:41:57 +00:00
Dale Johannesen
99090c9fe0 When I rewrote this loop per Chris' preference I 
changed its behavior.  Oops.

llvm-svn: 95811
 2010-02-10 21:41:41 +00:00
Chris Lattner
5f5bb8b16d add a virtual dtor to MCTargetExpr, hopefully silencing some warnings. 
llvm-svn: 95810
 2010-02-10 21:37:31 +00:00
Eli Friedman
63e676c905 A few missed optimizations; the last one could have a significant impact on 
code with lots of bitfields.

llvm-svn: 95809
 2010-02-10 21:26:04 +00:00
Chris Lattner
1bc8cf5d29 work around a gcc bug with -Wuninitialized. 
llvm-svn: 95808
 2010-02-10 21:22:51 +00:00
Devang Patel
43cc7530be Strip new llvm.dbg.value intrinsic. 
llvm-svn: 95807
 2010-02-10 21:19:56 +00:00
Daniel Dunbar
b20be19ae6 MC/X86 AsmMatcher: Fix a use after free spotted by d0k, and de-XFAIL 
x86_32-encoding.s in on expectation of it passing.

llvm-svn: 95806
 2010-02-10 21:19:28 +00:00
Daniel Dunbar
7f6e51fc2a XFAIL this on linux until I figure out what is happening. 
llvm-svn: 95804
 2010-02-10 21:01:04 +00:00
Daniel Dunbar
0e4c6eb0d7 lit: Ignore dot files when scanning for tests (e.g., editor temprary files, 
etc.)

llvm-svn: 95803
 2010-02-10 21:00:55 +00:00
Daniel Dunbar
4254b19c9a MC/AsmMatcher: Tweak conversion function name. 
llvm-svn: 95802
 2010-02-10 21:00:47 +00:00
Dan Gohman
296f6e4952 Minor whitespace cleanups. 
llvm-svn: 95801
 2010-02-10 20:42:57 +00:00
Dan Gohman
a18a12c897 Use an AssemblyAnnotatorWriter to clean up IVUsers' debug output. 
The "uses=" comments are just clutter in this context.

llvm-svn: 95799
 2010-02-10 20:42:37 +00:00
Dan Gohman
f2323826d2 Add a hook to AssemblyAnnotationWriter to allow custom info comments 
to be printed, in place of the familiar "uses=" comments.

llvm-svn: 95798
 2010-02-10 20:41:46 +00:00
Dan Gohman
ec527fddf4 Use doxygen comment syntax. 
llvm-svn: 95797
 2010-02-10 20:23:33 +00:00
Dan Gohman
efb42fa7c7 Fix several comments which had previously been "the the" where a 
different word was intended.

llvm-svn: 95795
 2010-02-10 20:04:19 +00:00
Kevin Enderby
9be8c4c590 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.

llvm-svn: 95791
 2010-02-10 19:13:56 +00:00
Johnny Chen
9851630ae6 Added NOP, DBG, SVC to the instruction table for disassembly purpose. 
llvm-svn: 95784
 2010-02-10 18:02:25 +00:00
Dan Gohman
92b6122204 Fix "the the" and similar typos. 
llvm-svn: 95781
 2010-02-10 16:03:48 +00:00
Dan Gohman
fd8f55bc9e Minor code simplification. 
llvm-svn: 95780
 2010-02-10 15:54:22 +00:00
Benjamin Kramer
0a0f0f6465 Silence GCC warnings. 
llvm-svn: 95779
 2010-02-10 13:34:02 +00:00
Daniel Dunbar
59cb3a1ca4 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.

llvm-svn: 95774
 2010-02-10 08:15:48 +00:00
Chris Lattner
72dfdc8b8a emit some simple (and probably incorrect) fixups for symbolic 
displacement values.

llvm-svn: 95773
 2010-02-10 06:52:12 +00:00
Chris Lattner
6abaa9ee3c keep track of what the current byte being emitted is 
throughout the X86 encoder.

llvm-svn: 95771
 2010-02-10 06:41:02 +00:00
Chris Lattner
aa22470a1a simplify displacement handling, emit displacements by-operand 
even for the immediate case.  No functionality change.

llvm-svn: 95770
 2010-02-10 06:30:00 +00:00
Dan Gohman
ff8027e33a Canonicalize sizeof and alignof on pointer types to a canonical 
pointer type.

llvm-svn: 95769
 2010-02-10 06:13:07 +00:00
Dan Gohman
2dd0d36f14 Implement operators |=, &=, and ^= for SmallBitVector, and remove the 
restriction in BitVector for |= and ^= that the operand must be the
same length.

llvm-svn: 95768
 2010-02-10 05:54:04 +00:00
Daniel Dunbar
d2035fb242 MC: Switch MCFixup to just hold an MCExpr pointer instead of index into the 
MCInst it came from.

llvm-svn: 95767
 2010-02-10 04:47:08 +00:00
Daniel Dunbar
50b2609956 Fix a signed comparison warning. 
llvm-svn: 95766
 2010-02-10 04:46:51 +00:00
Daniel Dunbar
54d6a41882 Remove stray DOS newline. 
llvm-svn: 95765
 2010-02-10 04:10:10 +00:00
Daniel Dunbar
4e9161800a Add a ReleaseNotes FIXME. 
llvm-svn: 95764
 2010-02-10 04:09:52 +00:00
Garrison Venn
fc41a88897 Prevented build on WINDOWS using default make system. Stopped WINDOWS build 
at eh llvm/examples level using if check on LLVM_ON_UNIX.

llvm-svn: 95763
 2010-02-10 03:38:29 +00:00
Sean Callanan
c022448a07 Updated the enhanced disassembly library's TableGen 
backend to not use exceptions at all except in cases
of actual error.

llvm-svn: 95762
 2010-02-10 03:23:23 +00:00
Garrison Venn
4857ff7ad0 Prevented ExceptionDemo example being built on WINDOWS via if( NOT WIN32 ) 
check in examples cmake list file. This has NOT been tested.

llvm-svn: 95761
 2010-02-10 02:50:08 +00:00
Sean Callanan
65a17e3ac6 Updated the TableGen emitter for the Enhanced 
Disassembler to take advantage of the refactored
AsmWriterInst.h.  Note removed parser code.

llvm-svn: 95760
 2010-02-10 02:47:08 +00:00
Sean Callanan
d21eecd9a2 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)

llvm-svn: 95759
 2010-02-10 02:27:43 +00:00
Evan Cheng
8bee7fb61d 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. 
llvm-svn: 95757
 2010-02-10 02:17:34 +00:00
Chris Lattner
aed1ea28cf "fixup" a comment. 
llvm-svn: 95754
 2010-02-10 01:46:47 +00:00
Chris Lattner
bd21fff65c 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 :).

llvm-svn: 95753
 2010-02-10 01:45:28 +00:00
Daniel Dunbar
75df429af0 llvm-mc: Remove --show-fixups and always show as part of --show-encoding. 
Also, fix a silly memory leak.

llvm-svn: 95752
 2010-02-10 01:41:14 +00:00
Dale Johannesen
12262a957f Rewrite loop to suit Chris' preference. 
llvm-svn: 95749
 2010-02-10 01:31:26 +00:00
Chris Lattner
72156036b9 fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h. 
llvm-svn: 95748
 2010-02-10 01:23:18 +00:00
Evan Cheng
e0e620c006 Remove duplicated #include. 
llvm-svn: 95747
 2010-02-10 01:22:57 +00:00
Evan Cheng
8c2662f96a Emit an error for illegal inline asm constraint (which uses illegal type) rather than asserting. 
llvm-svn: 95746
 2010-02-10 01:21:02 +00:00
Chris Lattner
750bf54fc6 fix missing #includes. 
llvm-svn: 95745
 2010-02-10 01:17:36 +00:00
Chris Lattner
477ce1773c daniel *really* likes fixups! 
llvm-svn: 95742
 2010-02-10 01:05:28 +00:00
Chris Lattner
70fd490fa2 Stop MachineInstr.h from #including AsmPrinter.h 
llvm-svn: 95741
 2010-02-10 01:04:16 +00:00