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Author SHA1 Message Date
Evan Cheng
d101a72d79 Fix a dagga combiner bug: avoid creating illegal constant. 
Is this really a winning transformation?
fold (shl (srl x, c1), c2) -> (shl (and x, (shl -1, c1)), (sub c2, c1)) or                                                                              
                              (srl (and x, (shl -1, c1)), (sub c1, c2))


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76535 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 05:40:15 +00:00
Owen Anderson
f53c371983 Move a bit more state over to the LLVMContext. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76533 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 02:47:59 +00:00
Bill Wendling
7239b51694 Add the following functions: 
- SYSCALL (normal fast system call instruction) [0f 05]
- SYSENTER (system call entry instruction) [0f 34]
- SYSEXIT (system call exit instruction) [0f 35]
- SYSEXIT64 (system call exit instruction to 64-bit user code) [REX.W 0f 35]
- SYSRET (system call return instruction) [0f 07]

Patch by Sean Callanan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76528 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 01:07:24 +00:00
Dan Gohman
126b56659c Add a testcase for PR2831. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76527 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 01:02:18 +00:00
Dan Gohman
19211b47cc Add a testcase for PR4569, which is now fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76526 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:50:52 +00:00
Dan Gohman
0b106d9627 Add an svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76525 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:43:42 +00:00
Dan Gohman
a16b5764e3 Make the range calculations for addrecs to be more conservative, 
as they aren't currently prepared to handle complicated overflow
cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76524 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:42:47 +00:00
Dan Gohman
c2b015e4c0 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76523 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:38:55 +00:00
Dan Gohman
c268e7c51e Minor code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:37:45 +00:00
Evan Cheng
af9e7a7c20 Fix ARM isle code that optimize multiply by constants which are power-of-2 +/- 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:31:12 +00:00
Evan Cheng
c95be59371 Cross RC coalescing is now on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:22:59 +00:00
Dale Johannesen
60b3ba0472 revert 76503 while I figure out what's going on 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 00:12:29 +00:00
Dan Gohman
f117ed462c Add a comment to clarify why there isn't any code in this spot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76505 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 23:54:43 +00:00
Dan Gohman
4500e9eb80 Remove the code that tried to evaluate whether (A pred B) is known 
by determining if (B pred (B-A)) is known, as it doesn't handle
overflow correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76504 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 23:53:35 +00:00
Dale Johannesen
71bbebdac9 Make sure a global matching asm 'i' constraint gets its 
flags set properly.  (hasMemory is clearly irrelevant
when matching 'i', I don't understand what this was
supposed to be doing.)
gcc.apple/asm-block-25.c (test passed before by
accident, but generated code was wrong)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76503 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 23:39:13 +00:00
Dale Johannesen
5339c551b5 Move stripping of bitcasts in inline asm arguments 
to a place where it affects everything.  Occurs
only on calls AFAIK.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76502 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 23:27:39 +00:00
Dan Gohman
0d5bae41fb Minor code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:41:51 +00:00
Dan Gohman
cbb38f2f67 Documentation for the new non-overflow and exact keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:41:19 +00:00
Dan Gohman
746f3b1a9b The upper argument of ConstantRange is exclusive, not inclusive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76492 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:34:18 +00:00
Chris Lattner
b3e7189353 clean up some formatting, indent by 2 instead of 4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:23:48 +00:00
David Goodwin
c27a4547a3 CMP and TST define CPSR, not use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:13:31 +00:00
David Greene
76081c4ef7 Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes 
next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76486 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 22:02:59 +00:00
Evan Cheng
87faa1fc67 Forgot this test earlier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76485 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 21:46:42 +00:00
Bill Wendling
ecc2da8efd Simplify the code in DarwinTargetAsmInfo::emitUsedDirectiveFor so that humans can understand it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 21:38:26 +00:00
Bill Wendling
4cef584860 Pass in the unfortunately named "LessPrivatePrefix" for the 
"LinkerPrivatePrefix". It seems to have been used in only one place before I
started this "linker_private" business. I'm thinking that a rename is in
order...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 21:30:28 +00:00
Dan Gohman
1224c38698 Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76475 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 21:19:07 +00:00
Evan Cheng
33d0474bf5 Use TII->findCommutedOpIndices to find the commute operands (rather than guessing). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76472 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 21:16:08 +00:00
Bill Wendling
4aebcb4f5f Change the casting of linkage types into a map. This makes this much more robust 
as it no longer depends upon two different enums being kept in sync with each
other.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76465 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:34:46 +00:00
Dan Gohman
344df5ecdf Clarify that OverflowingBinaryOperator is not used for SDiv, even though 
SDiv is a binary operation that can overflow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76464 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:32:43 +00:00
Kevin Enderby
5026ae4514 Removed the DumpSymbolsandMacros and LoadSymbolsandMacros MCStreamer API as 
the parsing of the .dump and .load should be done in the assembly parser and
not have any need for an MCStreamer API.  Changed the code for now so these
just produce an error saying these specific directives are not yet implemented
since they are likely no longer used and may never need to be implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:25:37 +00:00
Daniel Dunbar
dbd692a66e Add MCAsmLexer interface. 
- This provides the AsmLexer interface to the target specific assembly parsers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 20:01:54 +00:00
Evan Cheng
753480ad20 Fix some sub-reg coalescing bugs where the coalescer wasn't updating the resulting interval's register class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76458 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 19:47:55 +00:00
Eli Friedman
2f70f1a1d8 Remove FIXME that was already fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 19:45:16 +00:00
Bill Wendling
5c0ba804c0 Rename Mangler linkage enums to something less gross. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 19:41:27 +00:00
Devang Patel
256be96457 Refactor metadata parsing routines into separate functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76455 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 19:00:08 +00:00
Daniel Dunbar
a3af370dc1 Add MCAsmParser interface. 
- This provides the AsmParser interface to the target specific assembly
   parsers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 18:55:04 +00:00
Douglas Gregor
4d20c24fe6 Build FileCheck from with CMake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 18:30:25 +00:00
Bill Wendling
39a499b6c4 Put new enum at end of list to avoid changing ABI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76447 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 18:22:52 +00:00
Chris Lattner
1902fd9605 remove TargetAsmInfo::ExpandInlineAsm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:59:32 +00:00
Chris Lattner
8850b36d0f use ExpandInlineAsm on TargetLowering instead of TargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76442 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:52:52 +00:00
Chris Lattner
b810565152 Copy ExpandInlineAsm to TargetLowering from TargetAsmInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:51:36 +00:00
Dan Gohman
7a965b03a8 Drop UDivOperator and introduce SDivOperator. Thanks to Chris 
for noticing this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:51:10 +00:00
Chris Lattner
ff3d3adddb add some fixme's and cleanups. TargetAsmInfo shouldn't depend on VMCore eventually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76439 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:47:48 +00:00
Dan Gohman
13c5e35222 Update this comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:44:17 +00:00
Dan Gohman
f241174421 Revert the addition of hasNoPointerOverflow to GEPOperator. 
Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.

Remove a few optimizations that depended on this flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:43:30 +00:00
Chris Lattner
8f4e22ff9a remove dead forward decl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76433 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:23:00 +00:00
David Goodwin
91cf361516 For remote execution, must cd to the executable directory since the exe expects to find a dylib in the CWD ('.'). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76432 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:15:03 +00:00
Chris Lattner
83757c7fb5 rename TargetAsmInfo::getASDirective -> getDataASDirective 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76431 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 17:12:46 +00:00
Daniel Dunbar
d3eb106dfa Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 16:50:16 +00:00
David Greene
3c9509f82a Hide the DOUT static variable behind a function interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76425 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-20 16:16:06 +00:00