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500 Commits

Author SHA1 Message Date
Cameron Zwarich
f5e771db37 Add a GR32_NOREX_NOSP register class and fix a bug where getMatchingSuperRegClass() 
was saying that the matching superregister class of GR32_NOREX in GR64_NOREX_NOSP
is GR64_NOREX, which drops the NOSP constraint. This fixes PR10032.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-27 22:26:04 +00:00
Charles Davis
6b918b8466 Add a method to TargetRegisterInfo to get the register number that the Win64 EH 
scheme uses internally. Implement it for x86 (the only architecture that LLVM
supports for which this matters right now).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-24 16:57:53 +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
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
Jakob Stoklund Olesen
c9e5015dec Add a TRI::getLargestLegalSuperClass hook to provide an upper limit on register class inflation. 
The hook will be used by the register allocator when recomputing register
classes after removing constraints.

Thumb1 code doesn't allow anything larger than tGPR, and x86 needs to ensure
that the spill size doesn't change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130228 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 18:52:33 +00:00
Chris Lattner
7a2bdde0a0 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-15 05:18:47 +00:00
Evan Cheng
b0519e15f7 Re-commit 127368 and 127371. They are exonerated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127380 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-10 00:16:32 +00:00
Evan Cheng
02d7c92982 Revert 127368 and 127371 for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127376 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 23:53:17 +00:00
Evan Cheng
17adafc6c1 Change the definition of TargetRegisterInfo::getCrossCopyRegClass to be more 
flexible.

If it returns a register class that's different from the input, then that's the
register class used for cross-register class copies.
If it returns a register class that's the same as the input, then no cross-
register class copies are needed (normal copies would do).
If it returns null, then it's not at all possible to copy registers of the
specified register class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 22:47:38 +00:00
Cameron Zwarich
be2119e8e2 Move getRegPressureLimit() from TargetLoweringInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127175 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 21:56:36 +00:00
NAKAMURA Takumi
7754f85885 Target/X86: Tweak win64's tailcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124272 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 02:04:09 +00:00
NAKAMURA Takumi
c5b7a4223d lib/Target/X86/X86RegisterInfo.cpp: Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124268 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 01:28:06 +00:00
NAKAMURA Takumi
b901076387 lib/Target/X86/X86RegisterInfo.cpp: Fix a typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124267 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-26 01:27:58 +00:00
Anton Korobeynikov
16c29b5f28 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-10 12:39:04 +00:00
Jakob Stoklund Olesen
b258135301 Fix the last virtual register enumerations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 23:11:11 +00:00
Evan Cheng
e4a2dd2f1a Code clean up. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-23 23:54:17 +00:00
Anton Korobeynikov
94c5ae0875 Move more PEI-related hooks to TFI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-27 23:05:25 +00:00
Anton Korobeynikov
82f58740c7 Move some more hooks to TargetFrameInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 15:59:32 +00:00
Anton Korobeynikov
d9e3385ced Move getInitialFrameState() to TargetFrameInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 23:25:52 +00:00
Anton Korobeynikov
d0c3817669 Move hasFP() and few related hooks to TargetFrameInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 21:19:35 +00:00
Anton Korobeynikov
3346491223 First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-15 00:06:54 +00:00
Jakob Stoklund Olesen
8456c4f957 Fix obvious mistake pointed out by Michael Spencer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115952 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 18:47:10 +00:00
Jakob Stoklund Olesen
8f42a19fb0 Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass. 
This function looks like it is about ready to be generated by TebleGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 23:56:46 +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
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
bc57c6db4a fix rdar://8456412 - llvm-mc crash in encoder on "mov %rdx, %cr8" 
Teaching the code generator about CR8-15, how to rex them up, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114533 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-22 05:29:50 +00:00
Anton Korobeynikov
ace53f2fbc Properly emit __chkstk call instead of __alloca on non-mingw windows targets. 
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 23:03:46 +00:00
Anton Korobeynikov
c7c62bb3ca Revert win64 changes. They seem to be incomplete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112885 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 22:31:32 +00:00
Anton Korobeynikov
2f4fad99ea Properly allocate win64 shadow reg area. 
Patch by Jan Sjodin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 22:16:28 +00:00
Jim Grosbach
fcb4a8ead3 Simplify eliminateFrameIndex() interface back down now that PEI doesn't need 
to try to re-use scavenged frame index reference registers. rdar://8277890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 23:32:16 +00:00
Anton Korobeynikov
9f7f83b861 Fix nasty mingw32 bug, which e.g. prevented llvm-gcc bootstrap there. 
Mark _alloca call as clobberring EFLAGS, otherwise some DCE might remove
other flags-clobberring stuff (e.g. cmp instructions) occuring after
_alloca call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 07:50:11 +00:00
Owen Anderson
90c579de5a Reapply r110396, with fixes to appease the Linux buildbot gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:33:48 +00:00
Owen Anderson
1f74590e9d Revert r110396 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 00:23:35 +00:00
Eric Christopher
e74a088d92 Add an option to always emit realignment code for a particular module. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:57:43 +00:00
Owen Anderson
9ccaf53ada Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:42:04 +00:00
Bruno Cardoso Lopes
3c8e1bee63 Support x86 "eiz" and "riz" pseudo index registers in the assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-24 00:06:39 +00:00
Eric Christopher
72852a8cfb Constify some arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-20 06:52:21 +00:00
Eric Christopher
697cba8ec2 Remove unnecessary check that was subsumed into canRealignStack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:33:04 +00:00
Eric Christopher
acdb4b9203 Make comment a bit more clear as well as return statement since 
needsStackRealignment is currently checking the can conditions as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:25:41 +00:00
Bill Wendling
7431beaba2 Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and 
thus is a much more meaningful name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:20:36 +00:00
Bruno Cardoso Lopes
e86b01c153 Start the support for AVX instructions with 256-bit %ymm registers. A couple of 
notes:
- The instructions are being added with dummy placeholder patterns using some 256
  specifiers, this is not meant to work now, but since there are some multiclasses
  generic enough to accept them,  when we go for codegen, the stuff will be already
  there.
- Add VEX encoding bits to support YMM
- Add MOVUPS and MOVAPS in the first round
- Use "Y" as suffix for those Instructions: MOVUPSYrr, ...
- All AVX instructions in X86InstrSSE.td will move soon to a new X86InstrAVX
  file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107996 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-09 18:27:43 +00:00
Chris Lattner
599b531a96 Change LEA to have 5 operands for its memory operand, just 
like all other instructions, even though a segment is not
allowed.  This resolves a bunch of gross hacks in the 
encoder and makes LEA more consistent with the rest of the
instruction set.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-08 23:46:44 +00:00
Evan Cheng
ed2ae136d2 Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-03 00:40:23 +00:00
Dale Johannesen
bf37850e42 Reapply 105986 with fix for bug pointed out by Jakob: 
flag argument to addReg is not the same format as flags attached
to MachineOperand, although both have the same info.  I don't
think this actually mattered; the bootstrap failure did not
reproduce on the next run anyway.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 21:36:43 +00:00
Dale Johannesen
69ba5c6aa8 Revert 105986; looks like I'd better try bootstrapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 04:55:06 +00:00
Dale Johannesen
4b559f070a The form of BuildMI used for TAILJMPr was changing the register 
containing the target address, an input, into an output.  I don't
think this actually broke anything on x86 (it does on ARM), but
it's wrong.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105986 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-15 03:13:49 +00:00
Rafael Espindola
691820a1a0 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105325 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 15:44:20 +00:00
Kevin Enderby
31b6c5b2f3 Fix the use of x86 control and debug registers so that the assertion failure in 
getX86RegNum() does not happen.  Patch by Shantonu Sen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-28 19:01:27 +00:00
Kevin Enderby
b106543592 Fix the x86 move to/from segment register instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:10:45 +00:00
Jakob Stoklund Olesen
b53985239c Separate unrelated cases that once shared a numeric value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104629 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 19:49:40 +00:00