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Author SHA1 Message Date
Owen Anderson
0ff4e2105b Reorganize some #include's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66780 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 06:58:19 +00:00
Chris Lattner
d1980a5acd Move 3 "(add (select cc, 0, c), x) -> (select cc, x, (add, x, c))" 
related transformations out of target-specific dag combine into the
ARM backend.  These were added by Evan in r37685 with no testcases
and only seems to help ARM (e.g. test/CodeGen/ARM/select_xform.ll).

Add some simple X86-specific (for now) DAG combines that turn things
like cond ? 8 : 0  -> (zext(cond) << 3).  This happens frequently
with the recently added cp constant select optimization, but is a
very general xform.  For example, we now compile the second example
in const-select.ll to:

_test:
        movsd   LCPI2_0, %xmm0
        ucomisd 8(%esp), %xmm0
        seta    %al
        movzbl  %al, %eax
        movl    4(%esp), %ecx
        movsbl  (%ecx,%eax,4), %eax
        ret

instead of:

_test:
        movl    4(%esp), %eax
        leal    4(%eax), %ecx
        movsd   LCPI2_0, %xmm0
        ucomisd 8(%esp), %xmm0
        cmovbe  %eax, %ecx
        movsbl  (%ecx), %eax
        ret

This passes multisource and dejagnu.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 06:52:53 +00:00
Chris Lattner
2b9f434908 improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 06:46:02 +00:00
Evan Cheng
8042255118 Enable Chris' value propagation change. It make available known sign, zero, one bits information for values that are live out of basic blocks. The goal is to eliminate unnecessary sext, zext, truncate of values that are live-in to blocks. This does not handle PHI nodes yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66777 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 06:29:49 +00:00
Evan Cheng
536e66764b On x86, if the only use of a i64 load is a i64 store, generate a pair of double load and store instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66776 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 05:59:15 +00:00
Sanjiv Gupta
054401b9f2 Forgot to check-in this as part of 7761. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66763 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 03:20:07 +00:00
Sanjiv Gupta
d076570a66 Banksel optimization is now based on the section names of symbols, since the symbols in one section will always be put into one bank. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 02:10:45 +00:00
Dale Johannesen
1379cadf8d Allow for switch values bigger than 64 bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66751 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 01:20:06 +00:00
Dale Johannesen
a9537cf3fc Fix some nondeterministic behavior when forwarding 
from a switch table.  Multiple table entries that
branch to the same place were being sorted by the
pointer value of the ConstantInt*; changed to sort
by the actual value of the ConstantInt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66749 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 01:00:26 +00:00
Dan Gohman
30143763b9 Revert r66024. The JIT encoding for CALLpcrel32 is wrong -- see PR3773, and the 
assembly text output uses an indirect call ("call *") instead of a direct call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66735 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 23:01:47 +00:00
Gabor Greif
c40d4f85dd update 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66733 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:52:25 +00:00
Rafael Espindola
b316f90e57 optimize i8 and i16 tls values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:40:04 +00:00
Owen Anderson
1ed5b714f1 Reorganization: Move the Spiller out of VirtRegMap.cpp into its own files. No (intended) functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66720 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:31:21 +00:00
Bill Wendling
f9abd7e33e Add a -no-implicit-float flag. This acts like -soft-float, but may generate 
floating point instructions that are explicitly specified by the user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:30:01 +00:00
Dale Johannesen
a891518c4d Skip interleaved debug info when fast-forwarding through 
allocations.  Apparently the assumption is there is an
instruction (terminator?) following the allocation so I
am allowing the same assumption.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66716 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:19:43 +00:00
Evan Cheng
a597a97618 My last coalescer fix introduced a subtler one. It's aborting a commuting optimization too late and left the live intervals to be out of sync with instructions. This fixes 8b10b. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 22:18:44 +00:00
Dale Johannesen
497cb6fd4c Debug intriniscs should be skipped when looking 
for a dependency, not terminate the search.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66709 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 21:13:01 +00:00
Torok Edwin
1d9887054a Make Print callable from a pass's print method: add const qualifier. No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:50:17 +00:00
Anton Korobeynikov
26d6e21c53 I should definitely read make docs someday :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:40:15 +00:00
Anton Korobeynikov
317bc24cd6 Unbreak the build. Dunno, why it did not fail on mingw :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:16:05 +00:00
Duncan Sands
4dc2b39bf8 It makes no sense to have a ODR version of common 
linkage, so remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66690 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 20:14:15 +00:00
Anton Korobeynikov
ad9d21a952 Disable plugins / shared stuff generation on windows targets. 
This fixes fallout from recent PIC/delibtoolize changes and unbreaks
build on cygming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66686 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 19:49:42 +00:00
Mon P Wang
6b3ef693d7 For yonah, fix a vector shuffle case for v16i8 where we didn't properly clear some bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 18:47:57 +00:00
Chris Lattner
eda2ec35a1 fix PR3785, a valgrind error on test/CodeGen/ARM/pr3502.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66660 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 16:14:25 +00:00
Duncan Sands
9e8bd0b362 Add parentheses to pacify gcc-4.3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66653 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 09:04:34 +00:00
Duncan Sands
5f4ee1fc5d Remove the one-definition-rule version of extern_weak 
linkage: this linkage type only applies to declarations,
but ODR is only relevant to globals with definitions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66650 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 08:08:06 +00:00
Nate Begeman
841c6a4345 Allow cross-process JIT to handle MachineRelocations of the ExternalSymbol 
variety.  For example, an i64 div might turn into a call to __divdi3 during
legalization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 07:03:43 +00:00
Mon P Wang
37b9a19653 Fixed a v8i16 shuffle case that should generate a pshufb instead of a pshuflw/hw. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66645 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 06:35:11 +00:00
Chris Lattner
47b4ce8529 formatting change, reduce indentation. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 05:48:52 +00:00
Chris Lattner
600fec3cea reapply my previous patch (r66358) with a tweak to set the 
alignment of the generated constant pool entry to the
desired alignment of a type.  If we don't do this, we end up
trying to do movsd from 4-byte alignment memory.  This fixes
450.soplex and 456.hmmer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66641 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 05:08:08 +00:00
Bill Wendling
1362f97018 Put the assignment back at the top of this method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66611 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 00:03:50 +00:00
Evan Cheng
a2e6435e48 Two coalescer fixes in one. 
1. Use the same value# to represent unknown values being merged into sub-registers.
2. When coalescer commute an instruction and the destination is a physical register, update its sub-registers by merging in the extended ranges.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66610 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-11 00:03:21 +00:00
Bill Wendling
dd44632498 Make ivars private. Other cleanup. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66607 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 23:57:09 +00:00
Bill Wendling
68edf5f68a Just make the Dwarf timer group static inside of the getter function. No need to alloc/dealloc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66591 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 22:58:53 +00:00
Bill Wendling
fc232b08f3 Don't put static functions in anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66589 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 22:36:31 +00:00
Dale Johannesen
8aa90feb3d Don't consider debug intrinsics when checking 
whether a callee to be inlined is a leaf.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 22:20:02 +00:00
Bill Wendling
7b69720ff4 These should *stop* the timer, not start it again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 22:02:13 +00:00
Bill Wendling
e9e960ff55 - Fix misspelled method name. 
- Remove unused method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66585 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 21:59:25 +00:00
Bill Wendling
c8615e4d39 - Create GetOrCreateSourceID from getOrCreateSourceID. GetOrCreateSourceID is 
the untimed version of getOrCreateSourceID. getOrCreateSourceID calls
  GetOrCreateSourceID, of course.

- Move some methods into the "private" section. Constify at least one method.

- General clean-ups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 21:47:45 +00:00
Bill Wendling
163ba3fa39 Refine the Dwarf writer timers so that they measure exception writing and debug 
writing individually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66577 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 21:23:25 +00:00
Dale Johannesen
ff278b11bf Removing a dead debug intrinsic shouldn't trigger 
another instcombine pass if we weren't going to make
one without debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 21:19:49 +00:00
Evan Cheng
41d88d2ac0 Revert 66358 for now. It's breaking povray, 450.soplex, and 456.hmmer on x86 / Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66574 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 20:47:18 +00:00
Bill Wendling
91b8b8010a Add a timer to the DwarfWriter pass that measures the total time it takes to 
emit exception and debug Dwarf info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66571 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 20:41:52 +00:00
Dan Gohman
ac57b128c4 Use WriteAsOperand instead of manually decorating the name for this 
debug output. This improves the printing of anonymous values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66561 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:47:59 +00:00
Dan Gohman
1274ced8a3 Fix a post-RA scheduling liveness bug. When a basic block is being 
scheduled in multiple regions, liveness data used by the
anti-dependence breaker is carried from one region to the next, however
the information reflects the state of the instructions before scheduling.
After scheduling, there may be new live range overlaps. Handle this by
pessimizing the liveness data carried between regions to the point where
it will be conservatively correct now matter how the earlier region is
scheduled. This fixes a miscompilation in 176.gcc with the post-RA
scheduler enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:10:43 +00:00
Devang Patel
9200c89968 Ignore dbg info, while estimating size of jump through block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66554 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 18:00:05 +00:00
Daniel Dunbar
e77e434bc9 PR3478: raw_ostream should not buffer stderr 
- Add unbuffered flag to raw_ostream, forwarded by raw_fd_ostream and
   used by raw_stderr_ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 16:21:55 +00:00
John Criswell
090c0a2ffd Do not attempt to do parial redundancy elimination on void values. 
Also fixed a punctuation error in the header comment.
This fixes PR3775.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 15:04:53 +00:00
Torok Edwin
ff7d0e9509 Global variables don't have a corresponding llvm.dbg.declare, yet it is possible 
to obtain debug info about them.
Introduce helpers to access debug info for global variables. Also introduce a
helper that works for both local and global variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 13:41:26 +00:00
Sanjiv Gupta
c29f0c7dde Mark the Defs and Uses of STATUS register correctly, plus some reformatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66540 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-10 10:35:34 +00:00