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44179 Commits

Author SHA1 Message Date
Owen Anderson bf77d2eb9d Correct the algorithms for choosing spill and restore points so that we don't try to insert loads/stores between call frame setup and the actual call. 
This fixes the last known failure for the pre-alloc-splitter.

llvm-svn: 63339
 2009-01-29 22:13:06 +00:00
Dan Gohman 14d55f0a5c Explicitly add PseudoSourceValue information when lowering 
BUILD_VECTOR and conversions to stack operations.

llvm-svn: 63333
 2009-01-29 21:02:43 +00:00
Dan Gohman 60d6844aa8 Make a few things const, fix some comments, and simplify 
some assertions.

llvm-svn: 63328
 2009-01-29 19:49:27 +00:00
Chris Lattner dfb6735385 Fix windows build, patch by Marius Wachtler! 
llvm-svn: 63325
 2009-01-29 18:53:28 +00:00
Evan Cheng a160d4af82 Local register allocator shouldn't assume only the entry and landing pad basic blocks have live-ins. 
llvm-svn: 63323
 2009-01-29 18:37:30 +00:00
Dan Gohman 8b437ccbbe Fix two typos that Duncan spotted in a comment. 
llvm-svn: 63312
 2009-01-29 16:18:12 +00:00
Dan Gohman ef04ed5477 In the case of an extractelement on an insertelement value, 
the element indices may be equal if either one is not a
constant.

llvm-svn: 63311
 2009-01-29 16:10:46 +00:00
Evan Cheng a115859df0 Add a always_inline test case. 
llvm-svn: 63304
 2009-01-29 09:31:54 +00:00
Bill Wendling a434d930ff Revert r63273. This was already implemented by Dale. There's no need for my 
change.

llvm-svn: 63301
 2009-01-29 09:01:55 +00:00
Evan Cheng 45799abe61 Add a test case for Chris lvalue alignment fixes. 
llvm-svn: 63300
 2009-01-29 08:59:46 +00:00
Owen Anderson c0924a0632 Fix an issue where restores could be inserted after a terminator instruction, 
and an iterator invalidation issue.

FreeBench/pifft no longer miscompiles with these fixes!

llvm-svn: 63293
 2009-01-29 08:22:06 +00:00
Owen Anderson a590802ed6 Comments are good. :-) 
llvm-svn: 63276
 2009-01-29 05:41:02 +00:00
Owen Anderson b05ce78c51 Add support for aggressive load-use-store folding. This takes care of the 
vast majority of code size regressions introduced by pre-alloc-splitting.

llvm-svn: 63274
 2009-01-29 05:28:55 +00:00
Bill Wendling 50338007b9 - Add DebugLoc to getTargetNode(). 
- Modify TableGen to add the DebugLoc when calling getTargetNode.

(The light-weight wrappers are only temporary. The non-DebugLoc version will be
removed once the whole debug info stuff is finished with.)

llvm-svn: 63273
 2009-01-29 05:27:31 +00:00
Chris Lattner c0474013cb Fix PR3424, a static constructor ordering issue. Patch by Robert Schuster! 
llvm-svn: 63269
 2009-01-29 04:43:42 +00:00
Evan Cheng 76a2736c74 Exit with nice warnings when register allocator run out of registers. 
llvm-svn: 63267
 2009-01-29 02:20:59 +00:00
Dan Gohman e58ab79f33 Make x86's BT instruction matching more thorough, and add some 
dagcombines that help it match in several more cases. Add
several more cases to test/CodeGen/X86/bt.ll. This doesn't
yet include matching for BT with an immediate operand, it
just covers more register+register cases.

llvm-svn: 63266
 2009-01-29 01:59:02 +00:00
Dan Gohman 84f0165273 Move the code that starts printing the Select_* functions 
after the code that sorts the patterns. This doesn't
affect the output, but it makes the code a little easier
to follow.

llvm-svn: 63265
 2009-01-29 01:37:18 +00:00
Evan Cheng 89ba594975 A slight compile time optimization. If the caller knows there isn't a free register getReg() should not call getFreeReg(). 
llvm-svn: 63263
 2009-01-29 01:13:00 +00:00
Dale Johannesen 839acbb089 Add DebugLoc-sensitive versions of many node creation 
functions.  Currently omitted:  memcpy, memmove, memset.

llvm-svn: 63259
 2009-01-29 00:47:48 +00:00
Evan Cheng 55ca1d38ea Fix comment about removeRange. 
llvm-svn: 63255
 2009-01-29 00:06:09 +00:00
Mon P Wang 9150f735fa Fixed lowering of v816 shuffles. 
llvm-svn: 63252
 2009-01-28 23:11:14 +00:00
Bill Wendling 42b63bc175 Make test platform agnostic. 
llvm-svn: 63247
 2009-01-28 22:20:56 +00:00
Bill Wendling 1b6a3bce82 Add DebugLoc to the getNode() methods. 
llvm-svn: 63245
 2009-01-28 22:17:52 +00:00
Dan Gohman d21775ae0e Give this test an explicit target, to make it host-independent. 
llvm-svn: 63244
 2009-01-28 22:14:58 +00:00
Dan Gohman 511d5ece2b SDOperand has been renamed to SDValue. SDNode::Val is now 
accessed via SDNode::getNode.

llvm-svn: 63240
 2009-01-28 21:36:46 +00:00
Dan Gohman f52ac41566 Add more comments describing SDNode operator codes. 
llvm-svn: 63239
 2009-01-28 21:34:36 +00:00
Dale Johannesen 666bf20441 Add DebugLoc-aware constructors for SDNode derived 
classes (those that reasonably have a DebugLoc
associated with them).

llvm-svn: 63236
 2009-01-28 21:18:29 +00:00
Dan Gohman 7a1b4538a0 Add some comments on ISD::NodeType. 
llvm-svn: 63234
 2009-01-28 21:13:08 +00:00
Devang Patel d7ecb3b661 Do not forget to derived type while constructing an array type. 
llvm-svn: 63233
 2009-01-28 21:08:20 +00:00
Chris Lattner df17987c19 Fix some issues with volatility, move "CanConvertToScalar" check 
after the others.

llvm-svn: 63227
 2009-01-28 20:16:43 +00:00
Chris Lattner 1498e62117 strengthen this test. 
llvm-svn: 63222
 2009-01-28 19:29:30 +00:00
Mon P Wang a15ea78ea6 Fixed extract element when the result needs to be promoted and the input widened. 
llvm-svn: 63217
 2009-01-28 18:53:39 +00:00
Dan Gohman e7d7b0c2fd Delete unnecessary elses. 
llvm-svn: 63214
 2009-01-28 18:03:09 +00:00
Chris Lattner ff2d99d94b Enable PACKAGE_VERSION in cmake builds, this unbreaks the clang build with cmake. 
Patch by Piotr Rak!

llvm-svn: 63213
 2009-01-28 17:49:03 +00:00
Dan Gohman 4aa1846215 Make isOperationLegal do what its name suggests, and introduce a 
new isOperationLegalOrCustom, which does what isOperationLegal
previously did.

Update a bunch of callers to use isOperationLegalOrCustom
instead of isOperationLegal. In some case it wasn't obvious
which behavior is desired; when in doubt I changed then to
isOperationLegalOrCustom as that preserves their previous
behavior.

This is for the second half of PR3376.

llvm-svn: 63212
 2009-01-28 17:46:25 +00:00
Duncan Sands ba21b7d57a Formatting. 
llvm-svn: 63199
 2009-01-28 14:42:54 +00:00
Duncan Sands 5a913d61e3 Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
llvm-svn: 63198
 2009-01-28 13:14:17 +00:00
Duncan Sands 08e53d041f Fix PR3415 (infinite loop in EscapeAnalysis) by 
deleting the escape analysis pass.

llvm-svn: 63197
 2009-01-28 11:33:59 +00:00
Evan Cheng f31f288863 The memory alignment requirement on some of the mov{h|l}p{d|s} patterns are 16-byte. That is overly strict. These instructions read / write f64 memory locations without alignment requirement. 
llvm-svn: 63195
 2009-01-28 08:35:02 +00:00
Mon P Wang d880efc005 Added sse test patterns for r62979 and r63193. 
llvm-svn: 63194
 2009-01-28 08:13:56 +00:00
Mon P Wang 5a685a52c1 Add shuffle splat pattern for x86 sse shifts. 
llvm-svn: 63193
 2009-01-28 08:12:05 +00:00
Mikhail Glushenkov 02b47b5e7a Typo. 
llvm-svn: 63174
 2009-01-28 03:47:58 +00:00
Mikhail Glushenkov 84172f7dca Update the generated docs. 
llvm-svn: 63173
 2009-01-28 03:47:38 +00:00
Mikhail Glushenkov 2115d09a10 Add three new option properties. 
Adds new option properties 'multi_val', 'one_or_more' and 'zero_or_one'.

llvm-svn: 63172
 2009-01-28 03:47:20 +00:00
Mikhail Glushenkov 57cf3964f3 Clarify comment. 
llvm-svn: 63171
 2009-01-28 03:46:22 +00:00
Dan Gohman b3bbde3e62 Use ValueType::bitsLT to simplify some code. 
llvm-svn: 63170
 2009-01-28 03:10:52 +00:00
Dan Gohman 172ad92b29 Use ZERO_EXTEND instead of ANY_EXTEND when promoting 
shift amounts, to avoid implicitly assuming that
target architectures will ignore the high bits.

llvm-svn: 63169
 2009-01-28 02:58:31 +00:00
Bill Wendling 3cf43ca571 Comment fixes. 
llvm-svn: 63164
 2009-01-28 01:19:52 +00:00
Evan Cheng e4510972a6 Suppress a compile time warning. 
llvm-svn: 63161
 2009-01-28 00:53:34 +00:00