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7096 Commits

Author SHA1 Message Date
Chad Rosier
a166089f36 Don't attempt to tail call optimize for Win64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131709 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-20 00:59:28 +00:00
Evan Cheng
2e6496026f Revert r131664 and fix it in instcombine instead. rdar://9467055 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131708 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-20 00:54:37 +00:00
Eli Friedman
dc51575a5f Add fast-isel support for zeroext and signext ret instructions on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131689 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 22:16:13 +00:00
Eric Christopher
2bbecd8f6d Oddly people want to use the 'r' constraint for fp constants on x86. 
Fixes rdar://9218925
Fixes PR9601


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131682 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 21:33:47 +00:00
Rafael Espindola
a3bff99f0a ADD64ri32 sign extends its argument, so we need to use a R_X86_64_32S. 
Fixes PR9934.

We really need to start tblgening the relocation info :-(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131669 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 20:32:34 +00:00
Evan Cheng
0efaa5e6a1 crc32 with 64-bit output zeros upper 32-bits. rdar://9467055 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 18:57:12 +00:00
Stuart Hastings
d22f036c2a Reverting 131641 to investigate 'bot complaint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131654 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 17:54:42 +00:00
Stuart Hastings
b6dcf3c514 Revise MOVSX16rr8/MOVZX16rr8 (and rm variants) to no longer be 
pseudos.  rdar://problem/8614450


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131641 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 16:59:50 +00:00
Eli Friedman
22486c9aba Revert unintentional commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131597 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:13:10 +00:00
Eli Friedman
107ffd58f7 More instcombine simplifications towards better debug locations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131596 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 23:11:30 +00:00
Cameron Zwarich
e4c6445405 Reserve the segment registers on x86 to fix verifier failures in any code that 
uses them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 22:24:48 +00:00
Chad Rosier
871f664093 Enables vararg functions that pass all arguments via registers to be optimized into tail-calls when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131560 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-18 19:59:50 +00:00
Mon P Wang
fee22869ca Enable autodetect of popcnt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 18:33:37 +00:00
Eli Friedman
19515b4e52 Add x86 fast-isel for calls returning first-class aggregates. rdar://9435872. 
This is r131438 with a couple small fixes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 18:29:03 +00:00
Eli Friedman
b8e0d3412c Clean up the mess created by r131467+r131469. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 18:02:22 +00:00
Stuart Hastings
6db2c2fe21 Revert 131467 due to buildbot complaint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 16:59:46 +00:00
Stuart Hastings
504421e327 Fix an obscure issue in X86_64 parameter passing: if a tiny byval is 
passed as the fifth parameter, insure it's passed correctly (in R9).
rdar://problem/6920088


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 16:45:55 +00:00
Nadav Rotem
86694297ff Fix a bug in PerformEXTRACT_VECTOR_ELTCombine. The code created an ADD SDNode 
with two different types, in cases where the index and the ptr had different
types.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 08:31:57 +00:00
Eric Christopher
6abb7bae10 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131459 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 08:16:14 +00:00
Eric Christopher
c324f72ab7 Support XOR and AND optimization with no return value. 
Finishes off rdar://8470697


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131458 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 08:10:18 +00:00
Eric Christopher
811c2b7110 Couple less magic numbers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 07:50:41 +00:00
Eric Christopher
8102bf003e Make this code a little less magic number laden. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131456 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 07:47:55 +00:00
Chris Lattner
5d4718b1c7 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131455 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 07:22:33 +00:00
Eli Friedman
c93943b6fe Back out r131444 and r131438; they're breaking nightly tests. I'll look into 
it more tomorrow.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131451 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 02:36:59 +00:00
Eli Friedman
cdc9a20561 Add x86 fast-isel for calls returning first-class aggregates. rdar://9435872. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131438 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-17 00:13:47 +00:00
Eli Friedman
57f4b03621 Remove dead code. Fix associated test to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131424 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 21:28:22 +00:00
Eli Friedman
482feb33b2 Make fast-isel work correctly s/uadd.with.overflow intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131420 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 21:06:17 +00:00
Eli Friedman
d0118a2371 Fix a FIXME by moving the fast-isel implementation of the objectsize intrinsic from the x86 code to the generic code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131332 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-14 00:47:51 +00:00
Rafael Espindola
a3f88148e6 Don't produce a vmovntdq if we don't have AVX support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131330 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-14 00:30:01 +00:00
Eli Friedman
d25d16c901 Zap useless code; this hasn't done anything useful since fast-isel switched to being bottom-up (a very long time ago). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131329 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-14 00:19:32 +00:00
Eric Christopher
c493a1f317 Turn this into a table, this will make more sense shortly. 
Part of rdar://8470697


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131200 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-11 21:44:58 +00:00
Nadav Rotem
4301222525 Add custom lowering of X86 vector SRA/SRL/SHL when the shift amount is a splat vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131179 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-11 08:12:09 +00:00
Eric Christopher
b38fe4b52d Optimize atomic lock or that doesn't use the result value. 
Next up: xor and and.

Part of rdar://8470697


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 23:57:45 +00:00
Eric Christopher
988397dcbc Refactor lock versions of binary operators to be a little less 
cut and paste.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131139 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-10 18:36:16 +00:00
Benjamin Kramer
f51190b697 X86: Add a bunch of peeps for add and sub of SETB. 
"b + ((a < b) ? 1 : 0)" compiles into
	cmpl	%esi, %edi
	adcl	$0, %esi
instead of
	cmpl	%esi, %edi
	sbbl	%eax, %eax
	andl	$1, %eax
	addl	%esi, %eax

This saves a register, a false dependency on %eax
(Intel's CPUs still don't ignore it) and it's shorter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131070 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-08 18:36:07 +00:00
Eli Friedman
fc5d305597 Make the logic for determining function alignment more explicit. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 20:34:06 +00:00
Rafael Espindola
f2b0423200 Dead code elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-06 14:56:22 +00:00
Eli Friedman
297015913a PR9848: pandn is not commutative. 
No test because I can't think of any way to write one that won't break quickly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130932 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-05 17:45:31 +00:00
Jakob Stoklund Olesen
4f5de9bb40 Fix X86RegisterInfo::getMatchingSuperRegClass for sub_8bit_hi. 
It is OK for B to be any GR8_ABCD_H superclass, the returned register class
doesn't have to map surjectively onto B.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 23:54:54 +00:00
Bill Wendling
9493a285d1 Replace the "movnt" intrinsics with a native store + nontemporal metadata bit. 
<rdar://problem/8460511>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130791 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:11:17 +00:00
Michael J. Spencer
34868ee4de Add pentium{3,4}m cpus. Patch by Alexander Best! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130749 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 03:42:50 +00:00
Eric Christopher
2fc496fcf5 xmm0 is an implicit parameter in this and so shouldn't be in the 
string template.

Fixes rdar://8493866


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130747 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 01:28:32 +00:00
Rafael Espindola
450a5a1207 Add r130623 back now that ELF has been fixed to work with -fno-dwarf2-cfi-asm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130658 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 15:44:13 +00:00
Chandler Carruth
9bc1537488 Remove an unused variable from this function introduced in r130637, 
likely a result of copy/paste.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130640 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 06:14:10 +00:00
Rafael Espindola
5426a9ee37 GCC uses a different encoding of pointers in the FDE when using 
-fno-dwarf2-cfi-asm. Implement the same behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130637 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 04:49:54 +00:00
Rafael Espindola
c35280647b I forgot these files in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-01 04:19:24 +00:00
Rafael Espindola
2b3e12d0cb Revert the previous patch while I figure out how to make llvm-gcc 
less agressive about disabling cfi on linux :-(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130626 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-30 23:03:44 +00:00
Jakob Stoklund Olesen
60045c233a X86AsmPrinter doesn't know how to handle the X86II::MO_GOT_ABSOLUTE_ADDRESS flag 
after folding ADD32ri to ADD32mi, so don't do that.

This only happens when the greedy register allocator gets itself in trouble and
spills %vreg9 here:

16L             %vreg9<def> = MOVPC32r 0, %ESP<imp-use>; GR32:%vreg9
48L             %vreg9<def> = ADD32ri %vreg9, <es:_GLOBAL_OFFSET_TABLE_>[TF=1], %EFLAGS<imp-def,dead>; GR32:%vreg9

That should never happen, the live range should be split instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-30 23:00:05 +00:00
Rafael Espindola
89fc9e8f5e Enable CFI on OS X. 
Currently the output should be almost identical to the one produced by CodeGen
to make the transition easier.

The only two differences I know of are:

* Some files get an extra advance loc of size 0. This will be fixed when
relaxations are enabled.
* The optimization of declaring an EH symbol as an external variable is not
implemented. This is a subset of adding the nounwind attribute, so we if really
this at -O0 we should probably do it at the IL level.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-30 22:29:54 +00:00
Benjamin Kramer
ce3a022b8c This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130499 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-29 14:09:57 +00:00