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4484 Commits

Author SHA1 Message Date
Owen Anderson
3a9e7690ba Use a more efficient lowering of uint64_t --> float that can take advantage of hardware signed integer conversion without 
having to do a double cast (uint64_t --> double --> float).  This is based on the algorithm from compiler_rt's __floatundisf
for X86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 17:24:05 +00:00
NAKAMURA Takumi
605789564c test/CodeGen/X86/atomic_op.ll: Rename @main to @func. Extra sequences will be inserted to @main as prologue on cygming, to fail. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 11:16:24 +00:00
Anton Korobeynikov
e7beda183d va_args support for Win64. 
Patch by Cameron!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-03 22:52:07 +00:00
Anton Korobeynikov
6af61ca789 Properly emit stack probe on win64 (for non-mingw targets). 
Based on the patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115479 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-03 22:02:38 +00:00
Chris Lattner
ece290226a unbreak buildbot 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115476 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-03 20:02:48 +00:00
Bill Wendling
8e956f7e3e Add test to make sure that the MMX intrinsic calls make it out the other end in 
tact.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-03 03:30:30 +00:00
Bill Wendling
43c78cda10 Need to specify SSE4 for machines which don't have SSE4. The code checked for is generated by SSE4. Otherwise, we get something else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115352 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 21:39:35 +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
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
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
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
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
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
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
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
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
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
Jason W Kim
afd1cc2578 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:45:56 +00:00
Bob Wilson
7122ba7efb Increase ARM APCS preferred alignment for i64 and f64 from 32 bits to 64 bits. 
LDM/STM instructions can run one cycle faster on some ARM processors if the
memory address is 64-bit aligned.  Radar 8489376.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 17:54:10 +00:00
Gabor Greif
1f01d45ee0 do not compare actual branch labels; this may fix llvm-gcc-x86_64-darwin10-cross-mingw32 buildbot too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 10:45:43 +00:00
Gabor Greif
05642a3eba improve heuristics to find the 'and' corresponding to 'tst' to also catch opportunities on thumb2 
added some doxygen on the way

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 10:12:08 +00:00
Bill Wendling
e48155b25a And remove r114997's test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 23:24:18 +00:00
Bill Wendling
2ff6e1e62c Revert r114997. It was causing a failure on darwin10-selfhost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 23:11:55 +00:00
Bill Wendling
4edab1a9e8 Fix a FIXME. _foo.eh symbols are currently always exported so that the linker 
knows about them. This is not necessary on 10.6 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 22:36:56 +00:00
Owen Anderson
654d5440a4 Add a subtarget hook for reporting the misprediction penalty. Use this to provide more precise 
cost modeling for if-conversion.  Now if only we had a way to estimate the misprediction probability.

Adjsut CodeGen/ARM/ifcvt10.ll.  The pipeline on Cortex-A8 is long enough that it is still profitable
to predicate an ldm, but the shorter pipeline on Cortex-A9 makes it unprofitable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 21:57:50 +00:00
Anton Korobeynikov
4f922f2cca User proper libcall names & condcodes while compiling for ARM EABI. 
Patch by Evzen Muller!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 21:39:26 +00:00
Owen Anderson
b20b85168c Part one of switching to using a more sane heuristic for determining if-conversion profitability. 
Rather than having arbitrary cutoffs, actually try to cost model the conversion.

For now, the constants are tuned to more or less match our existing behavior, but these will be
changed to reflect realistic values as this work proceeds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 18:32:13 +00:00
Bob Wilson
02aba73a9e Add a command line option "-arm-strict-align" to disallow unaligned memory 
accesses for ARM targets that would otherwise allow it.  Radar 8465431.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 04:09:35 +00:00
Jakob Stoklund Olesen
08342f2d11 Revert "Disable codegen prepare critical edge splitting. Machine instruction passes now" 
This reverts revision 114633. It was breaking llvm-gcc-i386-linux-selfhost.

It seems there is a downstream bug that is exposed by
-cgp-critical-edge-splitting=0. When that bug is fixed, this patch can go back
in.

Note that the changes to tailcallfp2.ll are not reverted. They were good are
required.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:48 +00:00
Jakob Stoklund Olesen
b53afc6a12 Explicitly disable CGP critical edge splitting for this test so it won't break 
by reenabling it temporarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:43 +00:00
Jakob Stoklund Olesen
4c2c865a51 Don't depend on basic block numbering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:40 +00:00
Chris Lattner
8048ebe91d the latest assembler that runs on powerpc 10.4 machines doesn't 
support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:44:54 +00:00
Che-Liang Chiou
8db2defa83 Add test case for PTX ret instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 07:49:54 +00:00
Che-Liang Chiou
f9930da2ef Add ret instruction to PTX backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 07:46:17 +00:00
Evan Cheng
fff606d7b2 Enable code placement optimization pass for ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 19:07:23 +00:00
Bob Wilson
2a6e616142 Set alignment operand for NEON VST instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 23:42:37 +00:00
Bob Wilson
40ff01a030 Set alignment operand for NEON VLD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 21:43:54 +00:00
Evan Cheng
dd3a41a6b3 Disable codegen prepare critical edge splitting. Machine instruction passes now 
break critical edges on demand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114633 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 06:55:34 +00:00
Owen Anderson
ed1088afb5 A select between a constant and zero, when fed by a bit test, can be efficiently 
lowered using a series of shifts.
Fixes <rdar://problem/8285015>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 22:58:22 +00:00
Cameron Esfahani
4af1eaee70 Fix PR8201: Update the code to call via X86::CALL64pcrel32 in the 64-bit case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 22:35:21 +00:00
Chris Lattner
1eb1b68e3a Fix an inconsistency in the x86 backend that led it to reject "calll foo" on 
x86-32: 32-bit calls were named "call" not "calll".  64-bit calls were correctly
named "callq", so this only impacted x86-32.

This fixes rdar://8456370 - llvm-mc rejects 'calll'

This also exposes that mingw/64 is generating a 32-bit call instead of a 64-bit call,
I will file a bugzilla.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114534 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 05:49:14 +00:00
Chris Lattner
f93b90c5df reimplement elf TLS support in terms of addressing modes, eliminating SegmentBaseAddress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 04:39:11 +00:00
Chris Lattner
40d66052f4 linux has a different stack alignment than the mac, relax this a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 00:46:26 +00:00
Chris Lattner
8864155a35 give VZEXT_LOAD a memory operand, it now works with segment registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 00:34:38 +00:00
Chris Lattner
0b79cfee15 revert r114386 now that address modes work correctly, we get a nice 
call through gs-relative memory now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 00:11:31 +00:00