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Author SHA1 Message Date
Benjamin Kramer
0dac66d9a2 InstCombine: Removing the base from the address calculation is only safe when the GEPs are inbounds. 
llvm-svn: 150978
 2012-02-20 18:45:10 +00:00
Eric Christopher
742c530fa0 Make this a bit prettier and more obvious when a derived type isn't 
derived from anything.

llvm-svn: 150975
 2012-02-20 18:04:39 +00:00
Eric Christopher
69a0eb9258 If a derived type is also a composite type, print that information 
too.

llvm-svn: 150974
 2012-02-20 18:04:35 +00:00
Eric Christopher
ed41b1f1ef Add support for runtime languages on our forward declarations. 
llvm-svn: 150973
 2012-02-20 18:04:14 +00:00
Benjamin Kramer
9ade8e4d79 InstCombine: When comparing two GEPs that were derived from the same base pointer but use different types, expand the offset calculation and to the compare on the offset if profitable. 
This came up in SmallVector code.

llvm-svn: 150962
 2012-02-20 15:07:47 +00:00
Benjamin Kramer
3d87f26b44 InstCombine: Make OptimizePointerDifference more aggressive. 
- Ignore pointer casts.
- Also expand GEPs that aren't constantexprs when they have one use or only constant indices.

- We now compile "&foo[i] - &foo[j]" into "i - j".

llvm-svn: 150961
 2012-02-20 14:34:57 +00:00
James Molloy
9963b8be92 Teach the DAGCombiner that certain loadext nodes followed by ANDs can be converted to zeroexts. 
llvm-svn: 150957
 2012-02-20 12:02:38 +00:00
James Molloy
6cbdd131b3 Improve generated code for extending loads and some trunc stores on ARM. 
Teach TargetSelectionDAG about lengthening loads for vector types and set v4i8 as legal. Allow FP_TO_UINT for v4i16 from v4i32.

llvm-svn: 150956
 2012-02-20 09:24:05 +00:00
Evan Cheng
499c67989a Make post-ra tail duplication bundle safe. No test case as recent codegen 
flow changes have already hidden the bug. rdar://10893812

llvm-svn: 150949
 2012-02-20 07:51:58 +00:00
Nick Lewycky
a87b6c7974 Rename class Evaluate to Evaluator and put it in an anonymous namespace. 
llvm-svn: 150947
 2012-02-20 03:25:59 +00:00
Chris Lattner
50ad7c3f54 fold comparisons of gep'd alloca points with null to false, 
implementing PR12013.  We now compile the testcase to:

__Z4testv:                              ## @_Z4testv
## BB#0:                                ## %_ZN4llvm15SmallVectorImplIiE9push_backERKi.exit
	pushq	%rbx
	subq	$64, %rsp
	leaq	32(%rsp), %rbx
	movq	%rbx, (%rsp)
	leaq	64(%rsp), %rax
	movq	%rax, 16(%rsp)
	movl	$1, 32(%rsp)
	leaq	36(%rsp), %rax
	movq	%rax, 8(%rsp)
	leaq	(%rsp), %rdi
	callq	__Z1gRN4llvm11SmallVectorIiLj8EEE
	movq	(%rsp), %rdi
	cmpq	%rbx, %rdi
	je	LBB0_2
## BB#1:
	callq	_free
LBB0_2:                                 ## %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit
	addq	$64, %rsp
	popq	%rbx
	ret

instead of:

__Z4testv:                              ## @_Z4testv
## BB#0:
	pushq	%rbx
	subq	$64, %rsp
	xorl	%eax, %eax
	leaq	(%rsp), %rbx
	addq	$32, %rbx
	movq	%rbx, (%rsp)
	movq	%rbx, 8(%rsp)
	leaq	64(%rsp), %rcx
	movq	%rcx, 16(%rsp)
	je	LBB0_2
## BB#1:
	movl	$1, 32(%rsp)
	movq	%rbx, %rax
LBB0_2:                                 ## %_ZN4llvm15SmallVectorImplIiE9push_backERKi.exit
	addq	$4, %rax
	movq	%rax, 8(%rsp)
	leaq	(%rsp), %rdi
	callq	__Z1gRN4llvm11SmallVectorIiLj8EEE
	movq	(%rsp), %rdi
	cmpq	%rbx, %rdi
	je	LBB0_4
## BB#3:
	callq	_free
LBB0_4:                                 ## %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit
	addq	$64, %rsp
	popq	%rbx
	ret

This doesn't shrink clang noticably though.

llvm-svn: 150944
 2012-02-20 00:42:49 +00:00
Chandler Carruth
d4b1931dd9 Switch to a more idiomatic way of silencing unused variable warnings in 
release builds. Silences clang's -Wself-assign.

llvm-svn: 150942
 2012-02-20 00:02:49 +00:00
Chandler Carruth
132aecc08e Move constructors out-of-line and flesh out their documentation. No 
functionality changed. This is in preparation for some refactoring of
how this class behaves.

llvm-svn: 150941
 2012-02-20 00:02:47 +00:00
Nick Lewycky
c7e2bbf39f Move EvaluateFunction and EvaluateBlock into a class, and make the class store 
the information that they pass around between them. No functionality change!

llvm-svn: 150939
 2012-02-19 23:26:27 +00:00
Benjamin Kramer
576a9ea6ca Silence operator precedence warning. 
llvm-svn: 150921
 2012-02-19 12:25:07 +00:00
NAKAMURA Takumi
a1af545555 autoconf/m4/visibility_inlines_hidden.m4: Tweak for cygwin-g++-4.5.3. It folded conftest regardress of attributge((noinline)) with >=O1 . 
llvm-svn: 150920
 2012-02-19 12:05:12 +00:00
Ahmed Charles
745c53c2a7 Remove dead code. Improve llvm_unreachable text. Simplify some control flow. 
llvm-svn: 150918
 2012-02-19 11:37:01 +00:00
Ahmed Charles
6e49e54bbb StringRef'ize EmitSourceFileHeader(). 
llvm-svn: 150917
 2012-02-19 11:35:20 +00:00
Craig Topper
da569ead22 Remove some unneeded includes and fix ordering in X86ISelLowering.cpp. Remove unneeded 'using namespace'. 
llvm-svn: 150916
 2012-02-19 07:15:48 +00:00
Lang Hames
88e5e4d72e Add machinery for pushing live ranges onto bundle starts while bundling. 
llvm-svn: 150915
 2012-02-19 07:13:05 +00:00
Lang Hames
bdb4efcb20 Simplify moveEnteringDownFrom rules. 
llvm-svn: 150914
 2012-02-19 06:13:56 +00:00
Craig Topper
c35afe3434 Unify all shuffle mask checking functions take a mask and VT instead of VectorShuffleSDNode. 
llvm-svn: 150913
 2012-02-19 05:41:45 +00:00
Lang Hames
831e129c9d Skip through instructions rather than operands when looking for last use slot. 
llvm-svn: 150912
 2012-02-19 04:38:25 +00:00
NAKAMURA Takumi
4518369791 APFloat::toString(): Fix overrun at scanning. 
FYI, clang/test/SemaTemplate/template-id-printing.cpp had been failing due to it on cygwin-clang.

llvm-svn: 150911
 2012-02-19 03:18:29 +00:00
Lang Hames
8b2e08187a Fix TODO and trailing whitespace. 
llvm-svn: 150910
 2012-02-19 03:09:55 +00:00
Lang Hames
b946cb5e75 Defer sanity checks on live intervals until after all have been updated. Hold (LiveInterval, LiveRange) pairs to update, rather than vregs. 
llvm-svn: 150909
 2012-02-19 03:00:30 +00:00
Craig Topper
7582570aff Make a bunch of X86ISelLowering shuffle functions static now that they are no longer needed by isel. 
llvm-svn: 150908
 2012-02-19 02:53:47 +00:00
Jia Liu
e9bdee01e7 comment fix ARM.h 
llvm-svn: 150904
 2012-02-19 02:04:03 +00:00
Jia Liu
6bb2f0f0e4 some comment fix for X86 and ARM 
llvm-svn: 150902
 2012-02-19 02:03:36 +00:00
Craig Topper
cfbfa3dcd1 Add vmfunc instruction to X86 assembler and disassembler. 
llvm-svn: 150899
 2012-02-19 01:39:49 +00:00
Ahmed Charles
b1856af87c Fix issue with bitwise and precedence. 
llvm-svn: 150897
 2012-02-18 22:56:41 +00:00
Talin
777c85d862 Hashing.h - utilities for hashing various data types. 
llvm-svn: 150890
 2012-02-18 21:00:49 +00:00
Rafael Espindola
6be26e6aa6 White space fixes. 
llvm-svn: 150886
 2012-02-18 19:46:02 +00:00
Rafael Espindola
64fe8ada6e Temporarily disable this assert. Looks like it found a similar issue when 
building bullet.

llvm-svn: 150885
 2012-02-18 17:51:43 +00:00
Rafael Espindola
5154b9bedb Don't skip debug instructions when looking for the insertion point of 
the cast. If we do, we can end up with

   inst1
   ---------------  < Insertion point
   dbg inst
   new inst

instead of the desired

   inst1
   new inst
   ---------------  < Insertion point
   dbg inst

Another option would be for InsertNoopCastOfTo (or its callers) to move the
insertion point and we would end up with

   inst1
   dbg inst
   new inst
   ---------------  < Insertion point

but that complicates the callers. This fixes PR12018 (and firefox's build).

llvm-svn: 150884
 2012-02-18 17:22:58 +00:00
Jia Liu
b077b6085d Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 
llvm-svn: 150878
 2012-02-18 12:03:15 +00:00
David Meyer
7499ae53ca On Cygwin/MingW, add SharedLibDir and LLVMToolDir to the library search path, since shared libraries are placed in 'bin'. (static libraries are still in 'lib'). 
llvm-svn: 150876
 2012-02-18 10:03:19 +00:00
Craig Topper
e42fa08789 Add X86InstrSVM.td that I forgot to add in r150873. 
llvm-svn: 150874
 2012-02-18 08:34:12 +00:00
Craig Topper
ecf21d8132 Add X86 assembler and disassembler support for AMD SVM instructions. Original patch by Kay Tiong Khoo. Few tweaks by me for code density and to reduce replication. 
llvm-svn: 150873
 2012-02-18 08:19:49 +00:00
Chandler Carruth
6f19135606 Trivial cleanup to group the generic 'armvN' cases with the 'arm' case, 
etc. No functionality changed.

llvm-svn: 150867
 2012-02-18 04:34:17 +00:00
Eli Friedman
be89455c98 Fix a rather nasty regression from r150690: LHS != RHS does not imply LHS->stripPointerCasts() != RHS->stripPointerCasts(). 
llvm-svn: 150863
 2012-02-18 03:29:25 +00:00
Chad Rosier
617f581b49 Fix documentation. 
llvm-svn: 150860
 2012-02-18 01:38:41 +00:00
Eric Christopher
c2e76f573d Testcase for the previous commit. 
llvm-svn: 150852
 2012-02-18 00:05:45 +00:00
Lang Hames
095e9964bd Bring HMEditor into line with LLVM coding standards. 
llvm-svn: 150851
 2012-02-17 23:43:40 +00:00
Eric Christopher
325985565a Ignore the lifetime intrinsics in fast-isel. 
llvm-svn: 150848
 2012-02-17 23:03:39 +00:00
Jakob Stoklund Olesen
4aa0e7c7c4 Don't print out pointer values in SUnit::dump(). 
llvm-svn: 150842
 2012-02-17 21:44:51 +00:00
Matt Beaumont-Gay
a45b6e23d0 Sink variable into assert 
llvm-svn: 150841
 2012-02-17 21:40:48 +00:00
Lang Hames
27171ecf20 Add support for regmask slots to HMEditor. Also fixes a comment error. 
llvm-svn: 150840
 2012-02-17 21:29:41 +00:00
Kevin Enderby
36596f0ae8 Fix typo in comment ldopen() -> dlopen(). 
llvm-svn: 150836
 2012-02-17 19:26:00 +00:00
Jakob Stoklund Olesen
c22a5531d8 Handle regmask operands in ARMInstrInfo. 
llvm-svn: 150833
 2012-02-17 19:23:15 +00:00