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Author SHA1 Message Date
Dan Gohman
6bb055cfcd Add a comment about A[i+(j+1)]. 
llvm-svn: 90185
 2009-12-01 01:38:10 +00:00
Bill Wendling
8cd7f1260b Remove some validation errors. 
llvm-svn: 90184
 2009-12-01 00:59:58 +00:00
Bill Wendling
6d6873053a Some formatting and spelling fixes. 
llvm-svn: 90182
 2009-12-01 00:53:11 +00:00
Dan Gohman
dc068e9517 Devang pointed out that this code should use DIScope instead of 
DICompileUnit. This code now prints debug filenames successfully.

llvm-svn: 90181
 2009-12-01 00:45:56 +00:00
Evan Cheng
fcbc30f36e Fix PR5614: parts of a physical register def may be killed the rest. 
llvm-svn: 90180
 2009-12-01 00:44:45 +00:00
Devang Patel
41e98a786b Test case for r90175. 
llvm-svn: 90176
 2009-12-01 00:13:06 +00:00
Johnny Chen
7f7f23087c For VMOV (immediate), make some of the encoding bits (cmode and op) unspecified. 
For VMOVv*i[16,32], op bit is don't care, and some cmode bits vary depending on
the immediate values.

Ref: Table A7-15 Modified immediate values for Advanced SIMD instructions.
llvm-svn: 90173
 2009-12-01 00:02:02 +00:00
Devang Patel
aca7704897 If pointer type has a name then do not ignore the name. 
llvm-svn: 90172
 2009-11-30 23:56:56 +00:00
Oscar Fuentes
804fe4f685 * CMakeLists.txt: Adds warnings flags for g++. Fixes PR 5647. 
llvm-svn: 90170
 2009-11-30 23:50:14 +00:00
Oscar Fuentes
731f4b47f8 * cmake/modules/LLVMLibDeps.cmake: Updated library dependencies. 
llvm-svn: 90169
 2009-11-30 23:48:51 +00:00
Dan Gohman
e573c59c90 Minor whitespace fixes. 
llvm-svn: 90166
 2009-11-30 23:33:53 +00:00
Dan Gohman
af05157fde Fix a minor inconsistency. 
llvm-svn: 90165
 2009-11-30 23:33:37 +00:00
Dan Gohman
54f4f93c81 Fix typos in comments. 
llvm-svn: 90164
 2009-11-30 23:30:43 +00:00
Jakob Stoklund Olesen
ce2743a619 New virtual registers created for spill intervals should inherit allocation hints from the original register. 
This helps us avoid silly copies when rematting values that are copied to a physical register:

leaq	_.str44(%rip), %rcx
movq	%rcx, %rsi
call	_strcmp

becomes:

leaq	_.str44(%rip), %rsi
call	_strcmp

The coalescer will not touch the movq because that would tie down the physical register.

llvm-svn: 90163
 2009-11-30 22:55:54 +00:00
Bill Wendling
bacc153c6c Debug info is disabled on PPC Darwin. 
llvm-svn: 90160
 2009-11-30 22:23:29 +00:00
Bob Wilson
a71b008477 Reprioritize tests for tail duplication to be aggressive about indirect 
branches even when optimizing for code size.  Unless we find evidence to the
contrary in the future, the special treatment for indirect branches does not
have a significant effect on code size, and performance still matters with -Os.

llvm-svn: 90147
 2009-11-30 18:56:45 +00:00
Bob Wilson
b293fe32cb Remove isProfitableToDuplicateIndirectBranch target hook. It is profitable 
for all the processors where I have tried it, and even when it might not help
performance, the cost is quite low.  The opportunities for duplicating
indirect branches are limited by other factors so code size does not change
much due to tail duplicating indirect branches aggressively.

llvm-svn: 90144
 2009-11-30 18:35:03 +00:00
Bob Wilson
f893a19df9 Fix some more ARM unified syntax warnings. 
llvm-svn: 90141
 2009-11-30 17:47:19 +00:00
Benjamin Kramer
49b3c58272 Fix odd declaration. 
llvm-svn: 90138
 2009-11-30 15:52:29 +00:00
Tobias Grosser
bc1905d14d Fix last DOTGraphTraits problems in CompilationGraph. 
llvm-svn: 90136
 2009-11-30 13:34:51 +00:00
Tobias Grosser
246c05c351 Remove forgotten ShortNames in Trie and CompilationGraph 
llvm-svn: 90135
 2009-11-30 13:14:13 +00:00
Tobias Grosser
74c7605daf Remove ShortNames from getNodeLabel in DOTGraphTraits 
llvm-svn: 90134
 2009-11-30 12:38:47 +00:00
Tobias Grosser
48d8ba7043 Instantiate DefaultDOTGraphTraits 
llvm-svn: 90133
 2009-11-30 12:38:13 +00:00
Tobias Grosser
4b6d3d58f6 Do not point edge heads to source labels 
If no destination label is available, just point to the node itself
instead of pointing to some source label. Source and destination labels are
not related in any way.

llvm-svn: 90132
 2009-11-30 12:37:39 +00:00
Tobias Grosser
72a78e2a22 Only print edgeSourceLabels if they are not empty 
Graphviz can layout the graphs better if a node does not contain source
ports. Therefore only print the ports if the source ports are useful,
that means are not labeled with the empty string "".
This patch also simplifies graphs without any edgeSourceLabels e.g. the
dominance trees.

llvm-svn: 90131
 2009-11-30 12:24:40 +00:00
Tobias Grosser
38b3077d08 Small PostDominatorTree improvements 
* Do not SEGFAULT if tree entryNode() is NULL
 * Print function names in dotty printer

llvm-svn: 90130
 2009-11-30 12:06:37 +00:00
Tobias Grosser
6cf9fe9d69 Remove ":" after BB name in -view-cfg-only 
llvm-svn: 90129
 2009-11-30 11:55:24 +00:00
Eric Christopher
859360e596 First pass at llvm.objectsize documentation. 
llvm-svn: 90116
 2009-11-30 08:03:53 +00:00
Nick Lewycky
81fea1665b Revert r90107, fixing test/Transforms/GVN/2009-11-29-ReverseMap.ll and the 
llvm-gcc build.

llvm-svn: 90113
 2009-11-30 07:05:51 +00:00
Nick Lewycky
51b973c964 Add a testcase for the current llvm-gcc build failure. 
llvm-svn: 90112
 2009-11-30 07:02:18 +00:00
Nick Lewycky
ff21b7c592 Remove the 'simple jit' tutorial as it wasn't really being maintained and its 
material is covered by the Kaleidoscope tutorial.

llvm-svn: 90111
 2009-11-30 04:23:17 +00:00
Mon P Wang
22b4e4e223 Add test case for r90108 
llvm-svn: 90109
 2009-11-30 02:42:27 +00:00
Mon P Wang
27bce4e285 Added support to allow clients to custom widen. For X86, custom widen vectors for 
divide/remainder since these operations can trap by unroll them and adding undefs
for the resulting vector.

llvm-svn: 90108
 2009-11-30 02:42:02 +00:00
Chris Lattner
dd895d559f reapply r90093 with an addition of keeping the forward 
and reverse nonlocal memdep maps in synch, this should
fix 255.vortex.

llvm-svn: 90107
 2009-11-30 02:26:29 +00:00
Nick Lewycky
bc81d0985e Fix this test on 64-bit systems which seem to use i64 for gep indices sometimes 
while 32-bit gcc uses i32.

llvm-svn: 90106
 2009-11-30 02:23:57 +00:00
Nick Lewycky
5f9ca6b5c9 Commit r90099 made LLVM simplify one of these constant expressions a little 
more. Update the syntax we're checking for and filecheckize it too.

This will fix the selfhost buildbots but will 'break' the others (sigh) because
they're still linked against older LLVM which is emitting less optimized IR.

llvm-svn: 90104
 2009-11-30 00:38:56 +00:00
Nick Lewycky
116b145b02 Teach ConstantFolding to do a better job when folding gep(bitcast). 
This permits the devirtualization of llvm.org/PR3100#c9 when compiled by clang.

llvm-svn: 90099
 2009-11-29 21:40:55 +00:00
Benjamin Kramer
d9780ec7c5 Revert r90089 for now, it's breaking selfhost. 
llvm-svn: 90097
 2009-11-29 21:17:48 +00:00
Chris Lattner
de1d55c200 revert this patch for now, it causes failures of: 
LLVM::Transforms/GVN/2009-02-17-LoadPRECrash.ll
    LLVM::Transforms/GVN/2009-06-17-InvalidPRE.ll

llvm-svn: 90096
 2009-11-29 21:14:59 +00:00
Chris Lattner
6155ce3427 Fix a really nasty caching bug I introduced in memdep. An entry 
was being added to the Result vector, but not being put in the
cache.  This means that if the cache was reused wholesale for a
later query that it would be missing this entry and we'd do an
incorrect load elimination.

Unfortunately, it's not really possible to write a useful 
testcase for this, but this unbreaks 255.vortex.

llvm-svn: 90093
 2009-11-29 21:09:36 +00:00
Benjamin Kramer
a1d24b5a8d Fix two FIXMEs. 
llvm-svn: 90089
 2009-11-29 20:29:30 +00:00
Nick Lewycky
2c7105b098 Detabify. 
llvm-svn: 90085
 2009-11-29 18:10:39 +00:00
Benjamin Kramer
34f2bcd0ae Remove dead returns. 
llvm-svn: 90083
 2009-11-29 17:42:58 +00:00
Kovarththanan Rajaratnam
435a9894a7 This patch ensures that Path::GetMainExecutable is able to handle the 
case where realpath() fails. When this occurs we segfault trying to
create a std::string from a NULL pointer.

Fixes PR5635.

llvm-svn: 90082
 2009-11-29 17:19:48 +00:00
Daniel Dunbar
f7eaf3980c Fix FileCheck crash when fuzzy scanning starting at the end of the file. 
llvm-svn: 90065
 2009-11-29 08:30:24 +00:00
Chris Lattner
cd6fed25d5 add testcases for the foo_with_overflow op xforms added recently and 
fix bugs exposed by the tests.  Testcases from Alastair Lynn!

llvm-svn: 90056
 2009-11-29 02:57:29 +00:00
Chris Lattner
de599f9ae4 mark all the 'foo with overflow' intrinsics as readnone. 
llvm-svn: 90055
 2009-11-29 02:44:33 +00:00
Chris Lattner
40d74cea6b update and consolidate the load pre notes. 
llvm-svn: 90050
 2009-11-29 02:19:52 +00:00
Chris Lattner
5b1941cafb add PR# 
llvm-svn: 90049
 2009-11-29 01:28:58 +00:00
Chris Lattner
8ba0b842a2 Add a testcase for: 
void test(int N, double* G) {
  long j;
  for (j = 1; j < N - 1; j++)
      G[j] = G[j] + G[j+1] + G[j-1];
}

which we now compile to one load in the loop:

LBB1_2:                                                     ## %bb
	movsd	16(%rsi,%rax,8), %xmm2
	incq	%rdx
	addsd	%xmm2, %xmm1
	addsd	%xmm1, %xmm0
	movapd	%xmm2, %xmm1
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2

instead of:

LBB1_2:                                                     ## %bb
	movsd	8(%rsi,%rax,8), %xmm0
	addsd	16(%rsi,%rax,8), %xmm0
	addsd	(%rsi,%rax,8), %xmm0
	movsd	%xmm0, 8(%rsi,%rax,8)
	incq	%rax
	cmpq	%rcx, %rax
	jne	LBB1_2

llvm-svn: 90048
 2009-11-29 01:15:43 +00:00