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Author SHA1 Message Date
Duncan Sands
38860e65b3 Adjust this test for recent sroa improvements. 
llvm-svn: 66791
 2009-03-12 11:56:12 +00:00
Gabor Greif
0cf8da6c06 add some text to explain sentinels 
llvm-svn: 66790
 2009-03-12 10:30:31 +00:00
Gabor Greif
51ea08b090 minor tweaks 
llvm-svn: 66788
 2009-03-12 09:47:03 +00:00
Owen Anderson
4060191b0e Reorganize some #include's. 
llvm-svn: 66780
 2009-03-12 06:58:19 +00:00
Chris Lattner
26a971c4ec 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.

llvm-svn: 66779
 2009-03-12 06:52:53 +00:00
Chris Lattner
b904fac1b8 improve comment. 
llvm-svn: 66778
 2009-03-12 06:46:02 +00:00
Evan Cheng
47778669f5 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. 
llvm-svn: 66777
 2009-03-12 06:29:49 +00:00
Evan Cheng
46e903d2f6 On x86, if the only use of a i64 load is a i64 store, generate a pair of double load and store instead. 
llvm-svn: 66776
 2009-03-12 05:59:15 +00:00
Chris Lattner
a5368fd283 add no-unwind, remove duplicate run line. 
llvm-svn: 66775
 2009-03-12 05:56:37 +00:00
Chris Lattner
cb52d81eea add nounwinds 
llvm-svn: 66773
 2009-03-12 05:35:33 +00:00
Bill Wendling
69b05ddc4f Revert r66765 and r66766. These were causing build failures on Darwin. 
llvm-svn: 66770
 2009-03-12 04:10:09 +00:00
Nick Lewycky
29e01c5af5 Regenerate. 
llvm-svn: 66766
 2009-03-12 03:34:33 +00:00
Nick Lewycky
71fd935173 Set ARCH to x86 on mixed 32/64-bit Linux systems. 
Remove the explicit if OS = Darwin test around the setting of -m32/-m64.

llvm-svn: 66765
 2009-03-12 03:34:19 +00:00
Sanjiv Gupta
09e6929cc5 Forgot to check-in this as part of 7761. 
llvm-svn: 66763
 2009-03-12 03:20:07 +00:00
Sanjiv Gupta
85826620f1 Banksel optimization is now based on the section names of symbols, since the symbols in one section will always be put into one bank. 
llvm-svn: 66761
 2009-03-12 02:10:45 +00:00
Dale Johannesen
6a856e8183 Allow for switch values bigger than 64 bits. 
llvm-svn: 66751
 2009-03-12 01:20:06 +00:00
Daniel Dunbar
a3c65dba44 Add StringMap::lookup. 
llvm-svn: 66750
 2009-03-12 01:16:06 +00:00
Dale Johannesen
a63033a34c 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.

llvm-svn: 66749
 2009-03-12 01:00:26 +00:00
Evan Cheng
e4f82d3dcc Also pass -gcc-tool-args when building a shared object. 
llvm-svn: 66746
 2009-03-12 00:53:34 +00:00
Dan Gohman
d30e108f0e 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.

llvm-svn: 66735
 2009-03-11 23:01:47 +00:00
Gabor Greif
04dfd9fef9 update 
llvm-svn: 66733
 2009-03-11 22:52:25 +00:00
Rafael Espindola
a8fe373200 optimize i8 and i16 tls values. 
llvm-svn: 66725
 2009-03-11 22:40:04 +00:00
Owen Anderson
fb5980b6ab Reorganization: Move the Spiller out of VirtRegMap.cpp into its own files. No (intended) functionality change. 
llvm-svn: 66720
 2009-03-11 22:31:21 +00:00
Bill Wendling
fca05e3a5c Add a -no-implicit-float flag. This acts like -soft-float, but may generate 
floating point instructions that are explicitly specified by the user.

llvm-svn: 66719
 2009-03-11 22:30:01 +00:00
Dale Johannesen
bc9067e872 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.

llvm-svn: 66716
 2009-03-11 22:19:43 +00:00
Evan Cheng
042e05cb31 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. 
llvm-svn: 66715
 2009-03-11 22:18:44 +00:00
Dale Johannesen
e6adfccf09 Debug intriniscs should be skipped when looking 
for a dependency, not terminate the search.

llvm-svn: 66709
 2009-03-11 21:13:01 +00:00
Anton Korobeynikov
205b701b43 Another bug :( 
llvm-svn: 66708
 2009-03-11 21:05:21 +00:00
Torok Edwin
25781329c4 Make Print callable from a pass's print method: add const qualifier. No 
functionality change.

llvm-svn: 66700
 2009-03-11 20:50:17 +00:00
Anton Korobeynikov
60455b5097 I should definitely read make docs someday :( 
llvm-svn: 66699
 2009-03-11 20:40:15 +00:00
Gabor Greif
2c4672b310 do not pretend llvm/.../*.h being system headers 
llvm-svn: 66697
 2009-03-11 20:23:40 +00:00
Anton Korobeynikov
a4b01bf40c Unbreak the build. Dunno, why it did not fail on mingw :( 
llvm-svn: 66692
 2009-03-11 20:16:05 +00:00
Duncan Sands
b27c523449 It makes no sense to have a ODR version of common 
linkage, so remove it.

llvm-svn: 66690
 2009-03-11 20:14:15 +00:00
Gabor Greif
b31a9d0dc0 fix validator errors 
llvm-svn: 66688
 2009-03-11 20:04:08 +00:00
Gabor Greif
5805f37f74 Fix exaples using IRBuilder. Thanks, Quadrescence and Glip7 from IRC! 
llvm-svn: 66687
 2009-03-11 19:51:07 +00:00
Anton Korobeynikov
fe336ae73e Disable plugins / shared stuff generation on windows targets. 
This fixes fallout from recent PIC/delibtoolize changes and unbreaks
build on cygming.

llvm-svn: 66686
 2009-03-11 19:49:42 +00:00
Mon P Wang
287e422039 For yonah, fix a vector shuffle case for v16i8 where we didn't properly clear some bits. 
llvm-svn: 66684
 2009-03-11 18:47:57 +00:00
Chris Lattner
8fdb9ac396 implement support for C-style string literal concatenation in td files. 
llvm-svn: 66663
 2009-03-11 17:08:13 +00:00
Chris Lattner
5bf3e7dc27 fix PR3785, a valgrind error on test/CodeGen/ARM/pr3502.ll 
llvm-svn: 66660
 2009-03-11 16:14:25 +00:00
Duncan Sands
87527ab284 Add parentheses to pacify gcc-4.3. 
llvm-svn: 66653
 2009-03-11 09:04:34 +00:00
Duncan Sands
aadb34c357 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.

llvm-svn: 66650
 2009-03-11 08:08:06 +00:00
Nate Begeman
04ae01ec54 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.

llvm-svn: 66646
 2009-03-11 07:03:43 +00:00
Mon P Wang
2867737ad2 Fixed a v8i16 shuffle case that should generate a pshufb instead of a pshuflw/hw. 
llvm-svn: 66645
 2009-03-11 06:35:11 +00:00
Chris Lattner
eb9327f335 formatting change, reduce indentation. No functionality change. 
llvm-svn: 66642
 2009-03-11 05:48:52 +00:00
Chris Lattner
a0c4a99ec2 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.

llvm-svn: 66641
 2009-03-11 05:08:08 +00:00
Bill Wendling
e22e99addb Put the assignment back at the top of this method. 
llvm-svn: 66611
 2009-03-11 00:03:50 +00:00
Evan Cheng
264173da40 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.

llvm-svn: 66610
 2009-03-11 00:03:21 +00:00
Bill Wendling
5f1261bf32 Make ivars private. Other cleanup. No functionality change. 
llvm-svn: 66607
 2009-03-10 23:57:09 +00:00
Mon P Wang
12fd8e63d9 Changed Allocate to use size_t instead of unsigned. 
llvm-svn: 66602
 2009-03-10 23:48:49 +00:00
Dan Gohman
6eec7905d5 Add an explicit keyword. 
llvm-svn: 66595
 2009-03-10 23:10:46 +00:00