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Author SHA1 Message Date
Bob Wilson
5e2b05a71e 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-b5e6-96231b3b80d8
 2010-02-10 22:58:57 +00:00
Dale Johannesen
b8ff934e94 Skip debug info in a couple of places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:47:48 +00:00
Bill Wendling
0a9abcbffe 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-b5e6-96231b3b80d8
 2010-02-10 21:41:57 +00:00
Dale Johannesen
e21765d1c8 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-b5e6-96231b3b80d8
 2010-02-10 21:41:41 +00:00
Chris Lattner
e3e7a369f2 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-b5e6-96231b3b80d8
 2010-02-10 21:37:31 +00:00
Eli Friedman
11d91e80b4 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-b5e6-96231b3b80d8
 2010-02-10 21:26:04 +00:00
Chris Lattner
e555c9f4a5 work around a gcc bug with -Wuninitialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:22:51 +00:00
Devang Patel
df9292cbdd Strip new llvm.dbg.value intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:19:56 +00:00
Daniel Dunbar
1b6c060591 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-b5e6-96231b3b80d8
 2010-02-10 21:19:28 +00:00
Daniel Dunbar
ac6dd79a55 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-b5e6-96231b3b80d8
 2010-02-10 21:01:04 +00:00
Daniel Dunbar
cacaa5bff2 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-b5e6-96231b3b80d8
 2010-02-10 21:00:55 +00:00
Daniel Dunbar
bef529182f MC/AsmMatcher: Tweak conversion function name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 21:00:47 +00:00
Dan Gohman
659d1e8bbb Minor whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 20:42:57 +00:00
Dan Gohman
4207d6af5e 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-b5e6-96231b3b80d8
 2010-02-10 20:42:37 +00:00
Dan Gohman
7a5666e7f3 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-b5e6-96231b3b80d8
 2010-02-10 20:41:46 +00:00
Dan Gohman
7c1dfb9df2 Use doxygen comment syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95797 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 20:23:33 +00:00
Dan Gohman
f3b11aa6a7 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-b5e6-96231b3b80d8
 2010-02-10 20:04:19 +00:00
Kevin Enderby
d901690b82 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-b5e6-96231b3b80d8
 2010-02-10 19:13:56 +00:00
Johnny Chen
85d5a89f8d 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-b5e6-96231b3b80d8
 2010-02-10 18:02:25 +00:00
Dan Gohman
f451cb870e Fix "the the" and similar typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 16:03:48 +00:00
Dan Gohman
c056baed87 Minor code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95780 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 15:54:22 +00:00
Benjamin Kramer
c9e31cc823 Silence GCC warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 13:34:02 +00:00
Daniel Dunbar
af61681ced 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-b5e6-96231b3b80d8
 2010-02-10 08:15:48 +00:00
Chris Lattner
5dccfadbf4 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-b5e6-96231b3b80d8
 2010-02-10 06:52:12 +00:00
Chris Lattner
37ce80eca3 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-b5e6-96231b3b80d8
 2010-02-10 06:41:02 +00:00
Chris Lattner
8496a26113 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-b5e6-96231b3b80d8
 2010-02-10 06:30:00 +00:00
Dan Gohman
a84ffedafc 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-b5e6-96231b3b80d8
 2010-02-10 06:13:07 +00:00
Dan Gohman
e7962c9897 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-b5e6-96231b3b80d8
 2010-02-10 05:54:04 +00:00
Daniel Dunbar
5d5a1e13a1 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-b5e6-96231b3b80d8
 2010-02-10 04:47:08 +00:00
Daniel Dunbar
4c6e18aefe Fix a signed comparison warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 04:46:51 +00:00
Daniel Dunbar
3f451cafb5 Remove stray DOS newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 04:10:10 +00:00
Daniel Dunbar
4acdede43e Add a ReleaseNotes FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95764 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 04:09:52 +00:00
Garrison Venn
0f08a27617 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-b5e6-96231b3b80d8
 2010-02-10 03:38:29 +00:00
Sean Callanan
cf57c7084a 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-b5e6-96231b3b80d8
 2010-02-10 03:23:23 +00:00
Garrison Venn
778086caf7 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-b5e6-96231b3b80d8
 2010-02-10 02:50:08 +00:00
Sean Callanan
2db6ff2285 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 02:47:08 +00:00
Sean Callanan
397170b0ab 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 02:27:43 +00:00
Evan Cheng
046632f272 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 02:17:34 +00:00
Chris Lattner
37145b6e4c "fixup" a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:46:47 +00:00
Chris Lattner
a7d479c7bd 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:45:28 +00:00
Daniel Dunbar
5532cf44a0 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:41:14 +00:00
Dale Johannesen
1d0aeabe3f Rewrite loop to suit Chris' preference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95749 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:31:26 +00:00
Chris Lattner
45282aedb9 fix a layering violation: VirtRegRewriter.cpp shouldn't use AsmPrinter.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:23:18 +00:00
Evan Cheng
1e5cc222e8 Remove duplicated #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:22:57 +00:00
Evan Cheng
8112b5322e 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:21:02 +00:00
Chris Lattner
3143e90ca8 fix missing #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:17:36 +00:00
Chris Lattner
a2bd92b130 daniel *really* likes fixups! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:05:28 +00:00
Chris Lattner
a655f088b8 Stop MachineInstr.h from #including AsmPrinter.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 01:04:16 +00:00
Bill Wendling
d3a47a3ef3 Improve comments a even more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:59:47 +00:00
Dale Johannesen
bd63520161 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-10 00:55:42 +00:00