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41844 Commits

Author SHA1 Message Date
Devang Patel
ee70fa77b4 Remove dead argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 23:15:27 +00:00
Owen Anderson
8d9e92ce2d Weight loop unrolling counts by nesting depth. Unrolling deeply nested loops tends to cause high 
register pressure and thus excess spills, which we don't currently recover from well.  This should
be re-evaluated in the future if our ability to generate good spills/splits improves.

Partial fix for <rdar://problem/7635585>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 22:58:54 +00:00
Jim Grosbach
385cc5eede Enable the MC-ized ARM asm printer. Passing all local tests, so it's time to 
enable it for real. Leaving the CL option in place to it's easy to disable it
again if (when) testers find something I've missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 22:28:11 +00:00
Rafael Espindola
c3c413f631 Write relocations in the end of the file. This matches what gas does and 
makes files easier to diff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 22:04:54 +00:00
Jim Grosbach
5acb3de8b7 ARM-mode eh.sjlj.longjmp MC lowering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:47:04 +00:00
Rafael Espindola
0453dd9ca0 Make sure .text doesn't produce extra alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:40:27 +00:00
Jakob Stoklund Olesen
1f386c4ce1 Don't try to constant fold libm functions with non-finite arguments. 
Usually we wouldn't do this anyway because llvm_fenv_testexcept would return an
exception, but we have seen some cases where neither errno nor fenv detect an
exception on arm-linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:29:20 +00:00
Jim Grosbach
376ce97bac Enable the MC-ized ARM asm printer. Passing all local tests, so it's time to 
enable it for real. Leaving the CL option in place to it's easy to disable it
again if (when) testers find something I've missed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114892 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:28:44 +00:00
Rafael Espindola
2c6ec31df6 Factor symbol value computation into a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114891 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:23:02 +00:00
Michael J. Spencer
9cf23a9ab4 MC-COFF: Fix signed/unsigned comparison. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:17:39 +00:00
Daniel Dunbar
3b9569e70d Hard to imagine there are still people using inferior compilers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 20:12:58 +00:00
Daniel Dunbar
4f2afe3d39 MC/AsmParser: Handle exponents in floating point literals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 20:12:52 +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
Rafael Espindola
fd9493d74e Odd additional stub framework for the ARM MC ELF emission. 
llc now recognizes the "intent" to support MC/obj emission for ARM, but
given that they are all stubs, it asserts on --filetype=obj --march=arm

Patch by Jason Kim.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:31:37 +00:00
Rafael Espindola
b814110612 Remove unused argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114852 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:13:03 +00:00
Benjamin Kramer
d1e1703c39 Push twines deeper into SourceMgr's error handling methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 17:42:11 +00:00
Dale Johannesen
a8bd1ff8c5 MMX parameters aren't handled here yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 17:29:47 +00:00
Dale Johannesen
61b20efd9a Don't try to make a vector of x86mmx; this won't work, 
and asserts.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 17:29:14 +00:00
Dan Gohman
51138b3070 Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 16:58:21 +00:00
Dan Gohman
477268cd24 Delete an unused declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 16:54:49 +00:00
Dan Gohman
48fd5a79e0 Add support for viewing graphviz graphs with xdot.py. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114832 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 16:28:34 +00:00
Dan Gohman
e0214d5b19 Make this code 65-bit clean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114828 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 15:15:44 +00:00
Michael J. Spencer
a72d87899b MC-COFF: Drop empty sections, and label symbols. Convert relocations 
targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114823 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 08:58:26 +00:00
Chris Lattner
2956462742 yet more aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:24:57 +00:00
Chris Lattner
b1162fc05e add a couple more aliases, rdar://8456378 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114821 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:21:41 +00:00
Chris Lattner
df967d6137 fix rdar://8470918 - llvm-mc can't assemble smovl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:11:53 +00:00
Chris Lattner
cb296ec0b6 Fix rdar://8468087 - llvm-mc commutes fmul (and friend) operands. 
My previous fix for rdar://8456371 should only apply to fmulp/faddp,
not to fmul/fadd.  Instruction set orthogonality is overrated or 
something.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:08:21 +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
Chris Lattner
80945784f9 improve indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:34:01 +00:00
Eric Christopher
1127c720ed Insert missing coherency in comment. Add a quick check for hardware 
divide support also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:08:12 +00:00
Eric Christopher
43b62beb4c Mass rename for Jim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:02:23 +00:00
Eric Christopher
722d315ac9 This code should never fire on non-darwin subtargets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114811 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:01:51 +00:00
Chris Lattner
fd8fddd830 implement support for 'clr' alias. This is part of rdar://8416805, 
but balrog was wanting it on irc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 04:23:03 +00:00
Lang Hames
cec2945f30 Fixed some tests to avoid LiveIntervals::getInstructionFromIndex(..) overhead where possible. Thanks to Jakob for the suggestions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-26 03:37:09 +00:00
Jakob Stoklund Olesen
207f8f688b Avoid using VNInfo::getCopy as much as possible. I want to get rid of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114794 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 18:10:38 +00:00
Lang Hames
6e2968c85c Removed VNInfo::isDefAccurate(). Def "accuracy" can be checked by testing whether LiveIntervals::getInstructionFromIndex(def) returns NULL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 12:04:16 +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
Rafael Espindola
73ffea47d2 Move ELF to HasReliableSymbolDifference=true. Also take the opportunity to put 
symbols defined in merge sections in independent atoms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114786 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 05:42:19 +00:00
Owen Anderson
b0ba0f4170 LoadPRE was not properly checking that the load it was PRE'ing post-dominated the block it was being hoisted to. 
Splitting critical edges at the merge point only addressed part of the issue; it is also possible for non-post-domination
to occur when the path from the load to the merge has branches in it.  Unfortunately, full anticipation analysis is
time-consuming, so for now approximate it.  This is strictly more conservative than real anticipation, so we will miss
some cases that real PRE would allow, but we also no longer insert loads into paths where they didn't exist before. :-)

This is a very slight net positive on SPEC for me (0.5% on average).  Most of the benchmarks are largely unaffected, but
when it pays off it pays off decently: 181.mcf improves by 4.5% on my machine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114785 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 05:26:18 +00:00
Evan Cheng
5981fc6788 Fix IIC_iEXTAr itinerary class of Cortex-A9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 01:09:28 +00:00
Evan Cheng
27fdcd1c95 Remove a unused instruction itinerary class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114782 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 01:06:02 +00:00
Eric Christopher
c69a000470 If we're changing the source of a memcpy we need to use the alignment 
of the source, not the original alignment since it may no longer
be valid.

Fixes rdar://8400094


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 00:57:26 +00:00
Evan Cheng
576a3968a2 Fix zero and sign extension instructions scheduling itineraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114780 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 00:49:35 +00:00
Jakob Stoklund Olesen
011e591071 Remove SlotIndex::PHI_BIT. It is no longer used by anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 00:45:18 +00:00
Jakob Stoklund Olesen
7c78e2624c Remove the only use of SlotIndex::isPHI. This bit is not being set consistently 
and it will be removed shortly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 00:45:15 +00:00
Jakob Stoklund Olesen
1803b37bad Terminator gaps were unused. Might as well delete them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 23:58:56 +00:00
Evan Cheng
bd30ce4311 More pseudo instruction scheduling itinerary fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 22:41:41 +00:00
John Thompson
54584743f3 Fix for test/CodeGen/PowerPC/2008-10-17-AsmMatchingOperands.ll crash. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 22:24:05 +00:00
Evan Cheng
5be3922321 Fix scheduling itinerary for pseudo mov immediate instructions which expand into two real instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 22:03:46 +00:00
Rafael Espindola
a648918eb7 Reapply 114678 and 114667. Reverting them did not fix the bot: 
http://google1.osuosl.org:8011/builders/llvm-gcc-i386-linux-selfhost/builds/69

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-24 21:19:03 +00:00