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099f340556
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8615 Commits

Author SHA1 Message Date
Anton Korobeynikov
099f340556 Switch MIPS to new ELFTargetAsmInfo. Add few FIXMEs. 
llvm-svn: 53790
 2008-07-19 13:16:11 +00:00
Anton Korobeynikov
449fb584e4 Fix a FIXME :) 
llvm-svn: 53789
 2008-07-19 13:15:46 +00:00
Anton Korobeynikov
5c0eb7e991 Use generic ELFTargetAsmInfo and DarwinTargetAsmInfo for X86 code 
llvm-svn: 53788
 2008-07-19 13:15:21 +00:00
Anton Korobeynikov
5298428cff Add TargetAsmInfo stuff for all darwin-based targets 
llvm-svn: 53787
 2008-07-19 13:14:46 +00:00
Anton Korobeynikov
3724600253 Add TargetAsmInfo for all ELF-based targets 
llvm-svn: 53786
 2008-07-19 13:14:11 +00:00
Anton Korobeynikov
6e00357dd6 Use aligned stack spills, where possible. This fixes PR2549. 
llvm-svn: 53784
 2008-07-19 06:30:51 +00:00
Dan Gohman
b97c076af4 In the CBackend, use casts to force integer add, subtract, and 
multiply to be done as unsigned, so that they have well defined
behavior on overflow. This fixes PR2408.

llvm-svn: 53767
 2008-07-18 18:43:12 +00:00
Dan Gohman
8981962672 Add a new function, ReplaceAllUsesOfValuesWith, which handles bulk 
replacement of multiple values. This is slightly more efficient
than doing multiple ReplaceAllUsesOfValueWith calls, and theoretically
could be optimized even further. However, an important property of this
new function is that it handles the case where the source value set and
destination value set overlap. This makes it feasible for isel to use
SelectNodeTo in many very common cases, which is advantageous because
SelectNodeTo avoids a temporary node and it doesn't require CSEMap
updates for users of values that don't change position.

Revamp MorphNodeTo, which is what does all the work of SelectNodeTo, to
handle operand lists more efficiently, and to correctly handle a number
of corner cases to which its new wider use exposes it.

This commit also includes a change to the encoding of post-isel opcodes
in SDNodes; now instead of being sandwiched between the target-independent
pre-isel opcodes and the target-dependent pre-isel opcodes, post-isel
opcodes are now represented as negative values. This makes it possible
to test if an opcode is pre-isel or post-isel without having to know
the size of the current target's post-isel instruction set.

These changes speed up llc overall by 3% and reduce memory usage by 10%
on the InstructionCombining.cpp testcase with -fast and -regalloc=local.

llvm-svn: 53728
 2008-07-17 19:10:17 +00:00
Nate Begeman
64f8f7f6bb Remove unnecessary readme entry 
llvm-svn: 53722
 2008-07-17 17:21:14 +00:00
Nate Begeman
61f6c21028 Fix a typo in last commit 
llvm-svn: 53720
 2008-07-17 17:04:58 +00:00
Nate Begeman
af01bfff99 SSE codegen for vsetcc nodes 
llvm-svn: 53719
 2008-07-17 16:51:19 +00:00
Mon P Wang
57cd9d6e5a When lowering certain atomics, we need to copy the memoperand from the old 
atomic operation to the new one.

llvm-svn: 53714
 2008-07-17 04:54:06 +00:00
Devang Patel
a6c5ff690a Mark function used by asm block as used, otherwise optimizer may not see the use and may delete the function. 
llvm-svn: 53692
 2008-07-16 17:54:34 +00:00
Scott Michel
ba160e6396 Somehow, custom lowering of i64 multiplications got dropped along the way. 
llvm-svn: 53689
 2008-07-16 17:17:29 +00:00
Dan Gohman
4c8c8e3aad Fix the result type of X86's truncate to i8. 
llvm-svn: 53688
 2008-07-16 16:20:48 +00:00
Evan Cheng
face16f9d8 x86-64 PIC JIT fixes: do not generate the extra load for external GV's. 
llvm-svn: 53661
 2008-07-16 01:34:02 +00:00
Evan Cheng
cabfd3f78c X86-64 PIC jump table values are different from x86-32 cases, they are dest - table base. 
llvm-svn: 53660
 2008-07-16 01:33:08 +00:00
Dan Gohman
8cf62e122f TargetAsmInfo::SectionForGlobal showed up in a profile. Simplify it a little. 
llvm-svn: 53639
 2008-07-15 18:37:51 +00:00
Bruno Cardoso Lopes
0c154df07f Fixed call stack alignment. Improved AsmPrinter alignment issues. 
llvm-svn: 53585
 2008-07-15 02:03:36 +00:00
Bruno Cardoso Lopes
f5a55301e0 Added Subtarget support into RegisterInfo 
Added HasABICall and HasAbsoluteCall (equivalent to gcc -mabicall and 
-mno-shared). HasAbsoluteCall is not implemented but HasABICall is the 
default for o32 ABI. Now, both should help into a more accurate 
relocation types implementation. 
Added IsLinux is needed to choose between asm directives.
Instruction name strings cleanup.
AsmPrinter improved.

llvm-svn: 53551
 2008-07-14 14:42:54 +00:00
Chris Lattner
15ae951af5 Add a note. 
llvm-svn: 53535
 2008-07-14 00:19:59 +00:00
Evan Cheng
c69b53dff9 Implement llvm.atomic.cmp.swap.i32 on PPC. Patch by Gary Benson! 
llvm-svn: 53505
 2008-07-12 02:23:19 +00:00
Dan Gohman
bf47a27643 Add a utility function to MachineInstr for testing whether an instruction 
has exactly one MachineMemOperand, and change some X86 lowering code to
make use of it.

llvm-svn: 53498
 2008-07-12 00:10:52 +00:00
Dan Gohman
4c18394001 Include a frame index in the "fixed stack" pseudo source value 
instead of using the frame index for the SVOffset, which was
inconsistent.

llvm-svn: 53486
 2008-07-11 22:44:52 +00:00
Chris Lattner
4f20448c91 add support for returning i128, PR2532. 
llvm-svn: 53472
 2008-07-11 20:53:00 +00:00
Dan Gohman
d7a32ecde2 Trim unnecessary #includes. 
llvm-svn: 53471
 2008-07-11 20:38:31 +00:00
Bill Wendling
9f17caa9a9 The frame address on an x86-64 box needs to be offset by -8, not -4. 
llvm-svn: 53450
 2008-07-11 07:18:52 +00:00
Chris Lattner
b5d45a49ea Remove extraneous vertical whitespace before Eric gets the wrong idea ;-) 
llvm-svn: 53411
 2008-07-10 16:49:53 +00:00
Chris Lattner
5f3c587276 Fix an altivec constant miscompilation that Duncan found through 
his work on legalizetypes.

llvm-svn: 53410
 2008-07-10 16:33:38 +00:00
Owen Anderson
bb9849b7b6 Fix the build by adding a #include. 
llvm-svn: 53388
 2008-07-10 01:44:27 +00:00
Evan Cheng
02a618dc56 Fix for PR2472. Use movss to set lower 32-bits of a zero XMM vector. 
llvm-svn: 53386
 2008-07-10 01:08:23 +00:00
Anton Korobeynikov
9eae9520a9 Remove a FIXME: we really need to use const_data section on darwin for 
constant pool, if relocation model is not static. This directly maps to
the way how GCC works.

llvm-svn: 53370
 2008-07-09 21:54:26 +00:00
Anton Korobeynikov
a5955dc461 Add FIXME for future checking. 
llvm-svn: 53368
 2008-07-09 21:38:28 +00:00
Dale Johannesen
be88d5cd94 Remove extra call to DW.SetModuleInfo on Linux. 
llvm-svn: 53365
 2008-07-09 21:33:15 +00:00
Dale Johannesen
02e8b93701 Emit debug info for data-only files on Cell SPU. 
I cannot test this target, let me know if it breaks!

llvm-svn: 53363
 2008-07-09 21:25:06 +00:00
Dale Johannesen
f48f4811a3 Emit debug into for data-only files for Linux PPC. 
I cannot test this target, let me know if it breaks!

llvm-svn: 53362
 2008-07-09 21:24:07 +00:00
Dale Johannesen
11d39779a1 Emit debug info for data-only files. ARM version. 
llvm-svn: 53360
 2008-07-09 21:20:54 +00:00
Dale Johannesen
36a38a5ba1 Emit debug info for data-only files. This version 
is X86 ATT only.

llvm-svn: 53355
 2008-07-09 20:55:35 +00:00
Anton Korobeynikov
61f4175d64 Add missed section 
llvm-svn: 53354
 2008-07-09 20:47:55 +00:00
Dale Johannesen
51c3445491 Emit debug info for data-only files. This version 
applies to ppc Darwin only.

llvm-svn: 53353
 2008-07-09 20:43:39 +00:00
Anton Korobeynikov
57e9182691 Distinguish .const and .const_data on Darwin, when needed. This is somehow crazy :) 
llvm-svn: 53350
 2008-07-09 20:01:42 +00:00
Anton Korobeynikov
67931c35bd Weak stuff always goes to coalesced sections on Darwin 
llvm-svn: 53340
 2008-07-09 19:06:02 +00:00
Dan Gohman
8a421248b9 Remove #include <iostream>. 
llvm-svn: 53333
 2008-07-09 18:08:48 +00:00
Anton Korobeynikov
2b2543166d Add FIXME needed to be resolved later 
llvm-svn: 53324
 2008-07-09 13:30:02 +00:00
Anton Korobeynikov
93fef00b0f Use only 'subset' of flags 
llvm-svn: 53323
 2008-07-09 13:29:44 +00:00
Anton Korobeynikov
32e4256260 Typo 
llvm-svn: 53322
 2008-07-09 13:29:27 +00:00
Anton Korobeynikov
d31e7ad0cf Revert accidentially added stuff 
llvm-svn: 53321
 2008-07-09 13:29:08 +00:00
Anton Korobeynikov
03614f247c First sketch of special section objects 
llvm-svn: 53320
 2008-07-09 13:28:49 +00:00
Anton Korobeynikov
395dac000b Honour text sections 
llvm-svn: 53319
 2008-07-09 13:28:19 +00:00
Anton Korobeynikov
5ad0c235f1 Use isWeakForLinker() hook 
llvm-svn: 53318
 2008-07-09 13:27:59 +00:00