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485 Commits

Author SHA1 Message Date
Evan Cheng 62de0fa671 Code clean up. No functionality change. 
llvm-svn: 122528
 2010-12-23 23:54:17 +00:00
Anton Korobeynikov 7283b8d18c Move more PEI-related hooks to TFI 
llvm-svn: 120229
 2010-11-27 23:05:25 +00:00
Anton Korobeynikov 4687778398 Move some more hooks to TargetFrameInfo 
llvm-svn: 119904
 2010-11-20 15:59:32 +00:00
Anton Korobeynikov 14ee344944 Move getInitialFrameState() to TargetFrameInfo 
llvm-svn: 119754
 2010-11-18 23:25:52 +00:00
Anton Korobeynikov 0eecf5d201 Move hasFP() and few related hooks to TargetFrameInfo. 
llvm-svn: 119740
 2010-11-18 21:19:35 +00:00
Anton Korobeynikov f7183edb59 First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 
llvm-svn: 119097
 2010-11-15 00:06:54 +00:00
Jakob Stoklund Olesen c6a6e9ba7c Fix obvious mistake pointed out by Michael Spencer. 
llvm-svn: 115952
 2010-10-07 18:47:10 +00:00
Jakob Stoklund Olesen b2dd88db6b Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass. 
This function looks like it is about ready to be generated by TebleGen.

llvm-svn: 115876
 2010-10-06 23:56:46 +00:00
Anton Korobeynikov ff85688559 Properly emit stack probe on win64 (for non-mingw targets). 
Based on the patch by Cameron Esfahani!

llvm-svn: 115479
 2010-10-03 22:02:38 +00:00
Cameron Esfahani bbb9287080 Fix PR8201: Update the code to call via X86::CALL64pcrel32 in the 64-bit case. 
llvm-svn: 114597
 2010-09-22 22:35:21 +00:00
Chris Lattner 37fc469f88 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.

llvm-svn: 114533
 2010-09-22 05:29:50 +00:00
Anton Korobeynikov a5a645559c Properly emit __chkstk call instead of __alloca on non-mingw windows targets. 
Patch by Cameron Esfahani!

llvm-svn: 112902
 2010-09-02 23:03:46 +00:00
Anton Korobeynikov a689c5b2c0 Revert win64 changes. They seem to be incomplete 
llvm-svn: 112885
 2010-09-02 22:31:32 +00:00
Anton Korobeynikov 56291f7e53 Properly allocate win64 shadow reg area. 
Patch by Jan Sjodin!

llvm-svn: 112875
 2010-09-02 22:16:28 +00:00
Jim Grosbach 6a77066913 Simplify eliminateFrameIndex() interface back down now that PEI doesn't need 
to try to re-use scavenged frame index reference registers. rdar://8277890

llvm-svn: 112241
 2010-08-26 23:32:16 +00:00
Anton Korobeynikov b3b53ecac0 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.

llvm-svn: 112034
 2010-08-25 07:50:11 +00:00
Owen Anderson a7aed18624 Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Owen Anderson bda59bd247 Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Eric Christopher e1fb772aa5 Add an option to always emit realignment code for a particular module. 
llvm-svn: 110404
 2010-08-05 23:57:43 +00:00
Owen Anderson 755aceb5d0 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.

llvm-svn: 110396
 2010-08-05 23:42:04 +00:00
Bruno Cardoso Lopes 306a1f9721 Support x86 "eiz" and "riz" pseudo index registers in the assembler. 
llvm-svn: 109295
 2010-07-24 00:06:39 +00:00
Eric Christopher 4adaccf0bf Constify some arguments. 
llvm-svn: 108812
 2010-07-20 06:52:21 +00:00
Eric Christopher 83f250f005 Remove unnecessary check that was subsumed into canRealignStack. 
llvm-svn: 108588
 2010-07-17 00:33:04 +00:00
Eric Christopher c0be37287c Make comment a bit more clear as well as return statement since 
needsStackRealignment is currently checking the can conditions as well.

llvm-svn: 108581
 2010-07-17 00:25:41 +00:00
Bill Wendling 499f797cdd Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and 
thus is a much more meaningful name.

llvm-svn: 108563
 2010-07-16 22:20:36 +00:00
Bruno Cardoso Lopes 792e906bef 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.

llvm-svn: 107996
 2010-07-09 18:27:43 +00:00
Chris Lattner f469307c77 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.

llvm-svn: 107934
 2010-07-08 23:46:44 +00:00
Evan Cheng 0664a67fe1 Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false. 
llvm-svn: 107550
 2010-07-03 00:40:23 +00:00
Dale Johannesen 89456b2612 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.

llvm-svn: 106049
 2010-06-15 21:36:43 +00:00
Dale Johannesen 3f253d2353 Revert 105986; looks like I'd better try bootstrapping. 
llvm-svn: 105988
 2010-06-15 04:55:06 +00:00
Dale Johannesen c338ef2b65 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.

llvm-svn: 105986
 2010-06-15 03:13:49 +00:00
Rafael Espindola 7881a64a50 Remove unused function. 
llvm-svn: 105325
 2010-06-02 15:44:20 +00:00
Kevin Enderby 76413597a9 Fix the use of x86 control and debug registers so that the assertion failure in 
getX86RegNum() does not happen.  Patch by Shantonu Sen!

llvm-svn: 104994
 2010-05-28 19:01:27 +00:00
Kevin Enderby 70e34983e8 Fix the x86 move to/from segment register instructions. 
llvm-svn: 104731
 2010-05-26 20:10:45 +00:00
Jakob Stoklund Olesen 3311eb50d7 Separate unrelated cases that once shared a numeric value 
llvm-svn: 104629
 2010-05-25 19:49:40 +00:00
Jakob Stoklund Olesen 3b59e0601e Ignore NumberHack and give each SubRegIndex instance a unique enum value instead. 
This passes lit tests, but I'll give it a go through the buildbots to smoke out
any remaining places that depend on the old SubRegIndex numbering.

Then I'll remove NumberHack entirely.

llvm-svn: 104615
 2010-05-25 17:21:04 +00:00
Jakob Stoklund Olesen 396c8802b2 Use enums instead of literals for X86 subregisters. 
The cases in getMatchingSuperRegClass cannot be broken up until the enums have
unique values.

llvm-svn: 104611
 2010-05-25 17:04:16 +00:00
Dan Gohman 58c6f21453 Factor out the code for picking integer arithmetic with immediate 
opcodes into a helper function. This fixes a few places in the code
which were not properly selecting the 8-bit-immediate opcodes.

llvm-svn: 104091
 2010-05-19 00:53:19 +00:00
Bill Wendling 1713d95874 Several tail call tests apparently rely upon this being "adjusts stack" instead 
of "has calls". That's probably wrong, but it needs further
investigation. Revert to the original behavior until this is settled.

llvm-svn: 103824
 2010-05-14 21:58:35 +00:00
Bill Wendling e9ac7ad68c This should happen if there are no calls, not if it just doesn't adjust the 
stack.

llvm-svn: 103813
 2010-05-14 21:38:44 +00:00
Bill Wendling db4bc54c4f Revert r103804. The comment is correct. 
llvm-svn: 103808
 2010-05-14 21:28:24 +00:00
Bill Wendling 7bf4bae5dc Fix comment. 
llvm-svn: 103804
 2010-05-14 21:17:29 +00:00
Bill Wendling 95f6ebcb37 Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what 
the variable actually tracks.

N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.

llvm-svn: 103802
 2010-05-14 21:14:32 +00:00
Evan Cheng 31cdcd46d6 Re-apply 103156 and 103157. 103156 didn't break anything. 10315 exposed a coalescer bug that's fixed by 103170. 
llvm-svn: 103172
 2010-05-06 06:36:08 +00:00
Eric Christopher 9feb1bb117 Revert r103156 since it was breaking the build bots. 
Reverse-merging r103156 into '.':
U    lib/Target/ARM/ARMInstrNEON.td
U    lib/Target/ARM/ARMRegisterInfo.h
U    lib/Target/ARM/ARMBaseRegisterInfo.cpp
U    lib/Target/ARM/ARMBaseInstrInfo.cpp
U    lib/Target/ARM/ARMRegisterInfo.td

llvm-svn: 103159
 2010-05-06 02:29:06 +00:00
Evan Cheng 5ab29366b5 Trim include. 
llvm-svn: 103103
 2010-05-05 18:27:57 +00:00
Eric Christopher a00830df31 Update comment. 
llvm-svn: 103057
 2010-05-04 22:13:03 +00:00
Evan Cheng 38dfa5cf20 Load folding tail call should not use ebp / rbp after it's popped. PEI 
should use esp / rsp to reference frame instead.

llvm-svn: 102596
 2010-04-29 05:08:22 +00:00
Evan Cheng 4158a0ff6b Implement -disable-non-leaf-fp-elim which disable frame pointer elimination 
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181

llvm-svn: 101984
 2010-04-21 03:18:23 +00:00
Chris Lattner 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00