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Author SHA1 Message Date
Owen Anderson
7267e14327 Now that the profitable bits of EnableFullLoadPRE have been enabled by default, rip out the remainder. 
Anyone interested in more general PRE would be better served by implementing it separately, to get real
anticipation calculation, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 20:02:55 +00:00
Evan Cheng
7c3423f413 Per Cortex-A9 pipeline diagram. AGU (core load / store issue) and NEON/FP issue are multiplexed. Model it correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 19:41:46 +00:00
Devang Patel
4c7c0c68f1 Fix dbg_declare signature in document. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115326 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 19:22:16 +00:00
Devang Patel
0ffd10b747 Fix DIDerived type fields' type in document. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 19:19:30 +00:00
Devang Patel
27f46cd639 Fix code gen crash reported in PR 8235. We still lose debug info for the unused argument here. This is a known limitation recorded debuginfo-tests/trunk/dbg-declare2.ll function 'f6' test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 19:00:44 +00:00
Jim Grosbach
bffa1a5cf3 grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 14:57:48 +00:00
Benjamin Kramer
b0f96facd6 Delete token *after* reading from it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115311 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 12:25:27 +00:00
Gabor Greif
fb4032f422 typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 10:32:19 +00:00
Bill Wendling
273ac840bc We must check for something. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 10:20:10 +00:00
Bill Wendling
c160218081 Disable tests until I can figure out why they're failing on just two machines but not others. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115308 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 10:01:10 +00:00
Bill Wendling
cc958c928f Try adding an mtriple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 09:40:50 +00:00
Kalle Raiskila
8258135c90 Zap some redundant 'ori $?, $?, 0' from SPU. 
Also remove some code that died in the process.
One now non-existant ori is checked for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 09:20:01 +00:00
Eric Christopher
04fcbf954f Fix the other half of the alignment changing issue by making sure that the 
memcpy alignment is the minimum of the incoming alignments.

Fixes PR 8266.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 09:02:05 +00:00
Bill Wendling
b1170f0e62 FileCheck-ize this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115304 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 08:55:48 +00:00
Bill Wendling
2b0ab5c370 FileCheck-ize this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115303 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 08:50:12 +00:00
Chris Lattner
6bf263b4a2 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 06:54:02 +00:00
Chris Lattner
e0518449c7 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 06:34:49 +00:00
Chris Lattner
6eff75104e fix PR8267 - Instcombine shouldn't optimizer away volatile memcpy's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115296 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 05:51:02 +00:00
Chris Lattner
e94aa76d2a upgrade this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 05:47:16 +00:00
Chris Lattner
2831a19495 fix rdar://8494845 + PR8244 - a miscompile exposed by my patch in r101350 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 05:36:09 +00:00
Dale Johannesen
b0ab5d04dd One more +sse2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 05:08:18 +00:00
Chris Lattner
3286db670c move X86 subdir up a level 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 04:32:20 +00:00
Dale Johannesen
5db1eea91a Mark all these as needing SSE2. Should fix PPC and 
maybe even Linux.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 04:17:55 +00:00
Dale Johannesen
473a8c84f2 Fix pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 01:07:02 +00:00
Dale Johannesen
81a0b9e41c Disable these tests for now; it's not obvious why they fail on Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 00:59:21 +00:00
Dale Johannesen
21fe99bbc8 Add some doc for the x86mmx type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 00:48:59 +00:00
Dale Johannesen
bac4c52131 Attempt to outwit overly smart compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115251 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 00:21:24 +00:00
Dale Johannesen
9efef89b80 Make test not sensitive to register choice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115250 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 00:16:17 +00:00
Eric Christopher
14df88282b Implement double return values in calls. Fixes 
SingleSource/Regression/C/casts.c.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115246 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 00:00:11 +00:00
Dale Johannesen
0488fb649a Massive rewrite of MMX: 
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115243 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 23:57:10 +00:00
Daniel Dunbar
a7e3b56477 Add an explicit initialization to work around what appears to be a valgrind 
false positive, at least on Darwin. I haven't filed this, but you can feel free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 23:56:49 +00:00
Owen Anderson
b3c04ec956 Temporarily add a flag to make it easier to compare the new-style ARM if 
conversion heuristics to the old-style ones.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115239 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 23:48:38 +00:00
Jim Grosbach
ddcf859851 Clean up asm writer usage for x86 and msp430 to flag that the writer should 
use MC instructions in the printInstruction() method via the tablegen flag
for it rather than a #define prior to including the autogenerated bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115238 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 23:40:25 +00:00
Eric Christopher
086378597d Movement and cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115225 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 22:34:19 +00:00
NAKAMURA Takumi
929910925d test/CodeGen/X86/sibcall.ll: Add explicit triplets and remove XFAIL: apple-darwin8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 22:02:06 +00:00
Evan Cheng
a56927e3ff Comments about operand cycles and pipeline forwarding pathes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 22:01:50 +00:00
Nick Lewycky
c6877b4ee1 Pacify a noisy compiler, and sink this variable declaration closer to its uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 21:04:13 +00:00
Owen Anderson
722cc1f414 We do want to allow LoadPRE to perform LICM-like transformations: we already consider PHI nodes to be negligible for 
code size (making this transform code size neutral), and it allows us to hoist values out of loops, which is always
a good thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:53:04 +00:00
Jakob Stoklund Olesen
7eb589d3f9 Try again to disable critical edge splitting in CodeGenPrepare. 
The bug that broke i386 linux has been fixed in r115191.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:51:52 +00:00
Eric Christopher
f9764fa14f Start of generalized call support for ARM fast isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:49:44 +00:00
Talin
c87cfb6a81 Allow llvm.gcroot to work with non-pointer allocas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:23:47 +00:00
Rafael Espindola
7eae36b38b Factor some logic into ShouldRelocOnSymbol. This simplifies the code and 
fixes some cases where we were producing relocations with at symbol that
should use a section instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115194 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 20:18:35 +00:00
Jim Grosbach
a3fbadfcd8 Nuke a few more unused asm strings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 19:53:58 +00:00
Jakob Stoklund Olesen
2622f4622c When isel is emitting instructions for an x86 target without CMOV, the CFG is 
edited during emission.

If the basic block ends in a switch that gets lowered to a jump table, any
phis at the default edge were getting updated wrong. The jump table data
structure keeps a pointer to the header blocks that wasn't getting updated
after the MBB is split.

This bug was exposed on 32-bit Linux when disabling critical edge splitting in
codegen prepare.

The fix is to uipdate stale MBB pointers whenever a block is split during
emission.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 19:44:31 +00:00
Jim Grosbach
3787a40e03 Move getPointerSize() to the base class since it's not dependent on MachO 
vs. ELF

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:45:51 +00:00
Duncan Sands
4b1da2b618 Flesh out the dragonegg section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:37:34 +00:00
Chris Lattner
1344488d65 more cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:29:05 +00:00
Chris Lattner
27c5215fbd merge and clean up tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:24:05 +00:00
Jim Grosbach
af2a8b21f1 Remove extraneous ';' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:19:17 +00:00
Chris Lattner
a879dc717e merge two tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115175 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 17:18:22 +00:00