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10367 Commits

Author SHA1 Message Date
Bruno Cardoso Lopes
4ca44dda21 Add 256-bit vaddsub, vhadd, vhsub, vblend and vdpp instructions! 
llvm-svn: 108769
 2010-07-19 23:32:44 +00:00
Dan Gohman
28f747a608 After a custom inserter, in a block which has constant instructions, 
update the current basic block in addition to the current insert
position, so that they remain consistent. This fixes rdar://8204072.

llvm-svn: 108765
 2010-07-19 22:48:56 +00:00
Daniel Dunbar
1dd74c37c5 X86: Mark JMP{32,64}[mr] as requires 32-bit/64-bit mode. They are the same 
instruction, we only want to allow the one for the current subtarget.
 - This also fixes suffix matching for jmp instructions, because it eliminates
   the ambiguity between 'jmpl' and 'jmpq'.

llvm-svn: 108746
 2010-07-19 20:44:16 +00:00
Dale Johannesen
0e5f8a53fd Testcase for 108732 (8195660). 
llvm-svn: 108733
 2010-07-19 18:22:40 +00:00
Devang Patel
e401bfe168 Fix PR 7662. 
Do not try to insert local variable info to a DIE used for function declaration.

llvm-svn: 108731
 2010-07-19 17:53:55 +00:00
Owen Anderson
f66e1873ea Testcase for r108687. 
llvm-svn: 108689
 2010-07-19 08:14:26 +00:00
Owen Anderson
acd445be06 Remove r108639 now that it is handled by InstCombine instead. 
llvm-svn: 108688
 2010-07-19 08:10:24 +00:00
Daniel Dunbar
220bd809bf X86-64: Mark WINCALL and more tail call instructions as code gen only. 
llvm-svn: 108685
 2010-07-19 07:21:07 +00:00
Daniel Dunbar
3b0ff3bac3 MC/X86: We now match instructions like "incl %eax" correctly for the arch we are 
assembling; remove crufty custom cleanup code.

llvm-svn: 108681
 2010-07-19 06:14:54 +00:00
Daniel Dunbar
ab21dfced5 tests: Force another triple. 
llvm-svn: 108666
 2010-07-19 00:43:58 +00:00
Daniel Dunbar
9ee59ea685 tests: Force triples. 
llvm-svn: 108658
 2010-07-18 21:16:10 +00:00
Daniel Dunbar
79350dba6e MC/AsmParser: Fix .abort and .secure_log_unique to accept arbitrary token 
sequences, not just strings.

llvm-svn: 108655
 2010-07-18 20:15:59 +00:00
Daniel Dunbar
7d498fb3fc MC/AsmParser: Add macro argument substitution support. 
llvm-svn: 108654
 2010-07-18 19:00:10 +00:00
Daniel Dunbar
312b5e0d2b MC/AsmParser: Add basic support for macro instantiation. 
llvm-svn: 108653
 2010-07-18 18:54:11 +00:00
Daniel Dunbar
4ee82b993f MC/AsmParser: Add basic parsing support for .macro definitions. 
llvm-svn: 108652
 2010-07-18 18:47:21 +00:00
Chris Lattner
1a98e62fca daniel doesn't hate me, he hates macpython 2.5, which 
is a very reasonable position on life!

llvm-svn: 108650
 2010-07-18 18:42:18 +00:00
Daniel Dunbar
44cddadb54 MC/AsmParser: Add .macros_{off,on} support, not that makes sense since we don't 
support macros.

llvm-svn: 108649
 2010-07-18 18:38:02 +00:00
Owen Anderson
f1ae3b35e7 Add a testcase for r108639. 
llvm-svn: 108640
 2010-07-18 08:57:19 +00:00
Owen Anderson
c8dc055b5e Another attempt at getting the clang self-host to like my instcombine patch. 
llvm-svn: 108614
 2010-07-17 06:56:35 +00:00
Jim Grosbach
270540da7b Add combiner patterns to more effectively utilize the BFI (bitfield insert) 
instruction for non-constant operands. This includes the case referenced
in the README.txt regarding a bitfield copy.

llvm-svn: 108608
 2010-07-17 03:30:54 +00:00
Eli Friedman
e31ee27cbe Test for ELF .size directive. 
llvm-svn: 108607
 2010-07-17 03:15:24 +00:00
Jim Grosbach
749f4fca0a Add basic support to code-gen the ARM/Thumb2 bit-field insert (BFI) instruction 
and a combine pattern to use it for setting a bit-field to a constant
value. More to come for non-constant stores.

llvm-svn: 108570
 2010-07-16 23:05:05 +00:00
Bill Wendling
85d6ed81b7 Consider this function: 
void foo() { __builtin_unreachable(); }

It will output the following on Darwin X86:

_func1:
Leh_func_begin0:
        pushq %rbp
Ltmp0:
        movq %rsp, %rbp
Ltmp1:
Leh_func_end0:

This prolog adds a new Call Frame Information (CFI) row to the FDE with an
address that is not within the address range of the code it describes -- part is
equal to the end of the function -- and therefore results in an invalid EH
frame. If we emit a nop in this situation, then the CFI row is now within the
address range.

llvm-svn: 108568
 2010-07-16 22:51:10 +00:00
Jakob Stoklund Olesen
858d6bb512 Remove the X86::FP_REG_KILL pseudo-instruction and the X86FloatingPointRegKill 
pass that inserted it.

It is no longer necessary to limit the live ranges of FP registers to a single
basic block.

llvm-svn: 108536
 2010-07-16 17:41:44 +00:00
Benjamin Kramer
710832b0e6 Feed the right output into FileCheck. 
llvm-svn: 108523
 2010-07-16 10:58:02 +00:00
Nick Lewycky
1b4a83430b Arrays and vectors with different numbers of elements are not equivalent. 
llvm-svn: 108517
 2010-07-16 06:31:12 +00:00
Tobias Grosser
9c86be4570 LoopSimplify does not update domfrontier correctly. 
This fixes PR7649.

llvm-svn: 108513
 2010-07-16 05:59:45 +00:00
Jakob Stoklund Olesen
bcee53a2b8 Remove many calls to TII::isMoveInstr. Targets should be producing COPY anyway. 
TII::isMoveInstr is going tobe completely removed.

llvm-svn: 108507
 2010-07-16 04:45:42 +00:00
Jakob Stoklund Olesen
114bab20ae Add forgotten test case. 
llvm-svn: 108506
 2010-07-16 04:45:35 +00:00
Dan Gohman
5e485c833f Use the source-order scheduler instead of the "fast" scheduler at -O0, 
because it's more likely to keep debug line information in its original
order.

llvm-svn: 108496
 2010-07-16 02:01:19 +00:00
Eric Christopher
5eef314caf Also revert 108422, it's causing some test failures. 
Working on testcases for Owen.

llvm-svn: 108494
 2010-07-16 01:36:12 +00:00
Dan Gohman
39c67ace89 Fix this test. 
llvm-svn: 108491
 2010-07-16 01:28:45 +00:00
Dale Johannesen
facfe52bee The SelectionDAGBuilder's handling of debug info, on rare 
occasions, caused code to be generated in a different order.
All cases I've seen involved float softening in the type
legalizer, and this could be perhaps be fixed there, but
it's better not to generate things differently in the first
place.  7797940 (6/29/2010..7/15/2010).

llvm-svn: 108484
 2010-07-16 00:02:08 +00:00
Bill Wendling
756b0a4d45 Revert. This isn't the correct way to go. 
llvm-svn: 108478
 2010-07-15 23:42:21 +00:00
Dan Gohman
1705ac2740 Fix the order that SCEVExpander considers add operands in so that 
it doesn't miss an opportunity to form a GEP, regardless of the
relative loop depths of the operands. This fixes rdar://8197217.

llvm-svn: 108475
 2010-07-15 23:38:13 +00:00
Bill Wendling
991234752d Handle code gen for the unreachable instruction if it's the only instruction in 
the function. We'll just turn it into a "trap" instruction instead.

The problem with not handling this is that it might generate a prologue without
the equivalent epilogue to go with it:

$ cat t.ll
define void @foo() {
entry:
  unreachable
}
$ llc -o - t.ll -relocation-model=pic -disable-fp-elim -unwind-tables
        .section        __TEXT,__text,regular,pure_instructions
        .globl  _foo
        .align  4, 0x90
_foo:                                   ## @foo
Leh_func_begin0:
## BB#0:                                ## %entry
        pushq   %rbp
Ltmp0:
        movq    %rsp, %rbp
Ltmp1:
Leh_func_end0:
...

The unwind tables then have bad data in them causing all sorts of problems.

Fixes <rdar://problem/8096481>.

llvm-svn: 108473
 2010-07-15 23:32:40 +00:00
Evan Cheng
ffbae6ad52 Split -enable-finite-only-fp-math to two options: 
-enable-no-nans-fp-math and -enable-no-infs-fp-math. All of the current codegen fp math optimizations only care whether the fp arithmetics arguments and results can never be NaN.

llvm-svn: 108465
 2010-07-15 22:07:12 +00:00
Chris Lattner
e2f110cba5 fix the definitions of ConstTextCoalSection/ConstDataCoalSection 
to keep "Text" in sync with the "pure instructions" section attribute.
Lack of this attribute was preventing the assembler from emitting
multibyte noops instructions for templates (and inlines, and other
coalesced stuff) and was causing the assembler to mismatch .o files.

This fixes rdar://8018335

llvm-svn: 108461
 2010-07-15 21:22:00 +00:00
Devang Patel
3028e38bd8 Fix crash reported in PR7653. 
llvm-svn: 108441
 2010-07-15 18:45:27 +00:00
Dan Gohman
d75ba463e0 Watch out for a constant offset cancelling out a base register, forming 
a zero. This situation arrises in Fortran code with induction variables
that start at 1 instead of 0. This fixes PR7651.

llvm-svn: 108424
 2010-07-15 15:14:45 +00:00
Owen Anderson
01a2992a91 Reapply r108378, with bugfixes, testcase, and improved comment formatting. 
This now passes LIT, nighty test, and llvm-gcc bootstrap on my machine.

llvm-svn: 108422
 2010-07-15 15:00:23 +00:00
Chris Lattner
2b2265a9c5 Fix PR7647, handling the case when 'To' ends up being 
mutated by recursive simplification.  This also enhances
ReplaceAndSimplifyAllUses to actually do a real RAUW
at the end of it, which updates any value handles
pointing to "From" to start pointing to "To".  This
seems useful for debug info and random other VH users.

llvm-svn: 108415
 2010-07-15 06:36:08 +00:00
Chris Lattner
2f23df7317 see comment. 
llvm-svn: 108409
 2010-07-15 05:17:36 +00:00
Eric Christopher
138d7ceb99 Temporarily disable this test. 
llvm-svn: 108371
 2010-07-14 23:12:58 +00:00
Devang Patel
8924b27a38 Make it a .ll test case. 
llvm-svn: 108370
 2010-07-14 23:12:52 +00:00
Eric Christopher
b2a93bbcc7 Add a testcase for the vla and stack realignment warning. 
llvm-svn: 108365
 2010-07-14 22:26:35 +00:00
Dale Johannesen
6c1d01b37c Tests for llvm-gcc commit 108360. 
llvm-svn: 108362
 2010-07-14 21:22:35 +00:00
Jim Grosbach
e2d1ecbe70 Improve 64-subtraction of immediates when parts of the immediate can fit 
in the literal field of an instruction. E.g.,
long long foo(long long a) {
  return a - 734439407618LL;
}

rdar://7038284

llvm-svn: 108339
 2010-07-14 17:45:16 +00:00
Dan Gohman
8e01a639c0 Delete fast-isel's trivial load optimization; it breaks debugging because 
it can look past points where a debugger might modify user variables.

llvm-svn: 108336
 2010-07-14 17:25:37 +00:00
Bob Wilson
f46d710471 Fix test to appease the buildbots. 
llvm-svn: 108334
 2010-07-14 16:43:47 +00:00