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Author SHA1 Message Date
Evan Cheng
2be8b0e2bf Promoting 16-bit cmp / test aren't free. Don't do it. 
llvm-svn: 102366
 2010-04-26 19:06:11 +00:00
Chris Lattner
4854eab087 fix PR6921 a different way. Intead of increasing the 
alignment of globals with a specified alignment, we fix
common variables to obey their alignment.  Add a comment
explaining why this behavior is important.

llvm-svn: 102365
 2010-04-26 18:46:46 +00:00
Evan Cheng
1a198bcca5 Re-enable 102323 with fix: do not update dbg_value's with incorrect frame indices when the live interval are being re-materialized. 
llvm-svn: 102361
 2010-04-26 18:37:21 +00:00
Chris Lattner
a8cd2ac893 Revert r102300/102301, which serious broke objc apps. 
llvm-svn: 102359
 2010-04-26 18:30:45 +00:00
Chris Lattner
9065710fcf fix PR6940: sitofp(undef) folds to 0.0, not undef. 
llvm-svn: 102358
 2010-04-26 18:21:23 +00:00
Chris Lattner
9f29bb8809 wrap some long lines. 
llvm-svn: 102354
 2010-04-26 17:42:18 +00:00
Bob Wilson
01b2bccb00 Update MachineSSAUpdater with the same changes I made for the IR-level 
SSAUpdater.  I'm going to try to refactor this to share most of the code
between them.

llvm-svn: 102353
 2010-04-26 17:40:49 +00:00
Chris Lattner
75c7989270 add GHC, thanks to David Terei 
llvm-svn: 102352
 2010-04-26 17:38:10 +00:00
Evan Cheng
8eefd37428 Temporary disable spiller modifying dbg_value. It's breaking build. 
llvm-svn: 102327
 2010-04-26 08:24:07 +00:00
Evan Cheng
cedc094434 Remove a redundant comment. 
llvm-svn: 102326
 2010-04-26 08:16:57 +00:00
Evan Cheng
409147d401 Add PPC specific emitFrameIndexDebugValue. 
llvm-svn: 102325
 2010-04-26 07:39:36 +00:00
Evan Cheng
1c8d01121f Add ARM specific emitFrameIndexDebugValue. 
llvm-svn: 102324
 2010-04-26 07:39:25 +00:00
Evan Cheng
dc0ce1eae8 - Move TargetLowering::EmitTargetCodeForFrameDebugValue to TargetInstrInfo and rename it to emitFrameIndexDebugValue. 
- Teach spiller to modify DBG_VALUE instructions to reference spill slots.

llvm-svn: 102323
 2010-04-26 07:38:55 +00:00
Dale Johannesen
d27eedab6d Stop abusing EmitInstrWithCustomInserter for target-dependent 
form of DEBUG_VALUE, as it doesn't have reasonable default
behavior for unsupported targets.  Add a new hook instead.
No functional change.

llvm-svn: 102320
 2010-04-25 21:33:54 +00:00
Gabor Greif
115b2b2e36 another typo pointed out by sajd 
llvm-svn: 102319
 2010-04-25 21:30:22 +00:00
Gabor Greif
418a60ac3d fix two typos pointed out by sajd 
llvm-svn: 102318
 2010-04-25 21:27:54 +00:00
Dale Johannesen
d33a5ec459 Add comment re byval args. Doesn't actually work this way yet. 
xs

llvm-svn: 102316
 2010-04-25 21:03:54 +00:00
David Chisnall
0c13a0405d Added bullet about GNUstep Objective-C ABI support to the Clang section of the release notes. 
llvm-svn: 102309
 2010-04-25 19:13:33 +00:00
Chris Lattner
241b92e4ee testcase for PR6913 
llvm-svn: 102303
 2010-04-25 05:51:14 +00:00
Chris Lattner
454613a18a this passes now. 
llvm-svn: 102301
 2010-04-25 05:49:31 +00:00
Chris Lattner
e4a25eb35a Fix PR6921: globals were not getting correctly rounded up to their 
preferred alignment unless they were common or some other special
case.

llvm-svn: 102300
 2010-04-25 05:30:43 +00:00
Chris Lattner
9e3da38f46 silence a warning, patch by "mike". 
llvm-svn: 102297
 2010-04-25 04:44:26 +00:00
Chris Lattner
c4f93f2cbf remove #if 1's. 
llvm-svn: 102296
 2010-04-25 04:43:02 +00:00
Dan Gohman
b533fafb38 Fix an autoconf bug: The second argument to AC_LANG_PROGRAM is code that 
gets placed inside a main function, and should not itself be a main
function. This is silently hidden in GCC-hosted builds because the
inner main looks like a nested function declaration, which GCC supports.
In builds with compilers which do not support nested functions (by default),
this was causing an error, which caused these autoconf checks to fail, 
leaving their options disabled.

This fixes test/Feature/load_module.ll on x86_64-unknown-linux-gnu
llvm-gcc selfhost builds, among other things.

This also includes a regenerated configure, as the diff is small and telling.

llvm-svn: 102288
 2010-04-25 00:12:20 +00:00
Dan Gohman
63f016a4b5 PHI nodes also do not necessarily return trap with a trap operand. 
llvm-svn: 102278
 2010-04-24 22:15:58 +00:00
Nick Lewycky
0fef330e6b Fix typo. 
llvm-svn: 102276
 2010-04-24 22:01:40 +00:00
Nick Lewycky
7348a24ff9 Use provided llvm-defined variables instead of twisting user-controlled knobs. 
No visible change.

llvm-svn: 102240
 2010-04-24 05:07:24 +00:00
Nick Lewycky
76c5fe4e6c Don't touch CXXFLAGS. If it's set in the environment then sub-makes will see 
the variable that we set as though it came from the user. Fixes PR6835.

llvm-svn: 102239
 2010-04-24 04:56:34 +00:00
Evan Cheng
ec4cc9ce14 Avoid promoting a i16 node if it would eliminate a (store (op (load))) opportunity. 
llvm-svn: 102237
 2010-04-24 04:44:57 +00:00
Evan Cheng
3eedf18f4c When a load operand is promoted to an extload, replace other uses with uses of extload result truncated. 
llvm-svn: 102236
 2010-04-24 04:43:44 +00:00
Dan Gohman
42337e0ee9 Generalize LSR's OptimizeMax to handle the new kinds of max expressions 
that indvars may use, now that indvars is recognizing le and ge loops.

llvm-svn: 102235
 2010-04-24 03:13:44 +00:00
Dan Gohman
231fe284cd ScalarEvolution support for <= and >= loops. 
Also, generalize ScalarEvolutions's min and max recognition to handle
some new forms of min and max that this change makes more common.

llvm-svn: 102234
 2010-04-24 03:09:42 +00:00
Dan Gohman
bae847c4c6 Use SimplifyICmpOperands in isKnownPredicate too. 
llvm-svn: 102233
 2010-04-24 01:38:36 +00:00
Dan Gohman
815586b78c Update isImpliedCond to use the new SimplifyICmpOperands utility. 
llvm-svn: 102232
 2010-04-24 01:34:53 +00:00
Dan Gohman
0fbfae5efe Add a new utility function SimplifyICmpOperands. Much of this code is 
refactored out of ScalarEvolution::isImpliedCond, which will be updated
to use this new utility routine soon.

llvm-svn: 102229
 2010-04-24 01:28:42 +00:00
Dan Gohman
42c3d3fe44 Apply a fix for a vector setcc dagcombine from Jan Sjodin. No 
testcase yet, as the testcase now fails downstream.

llvm-svn: 102228
 2010-04-24 01:17:30 +00:00
Sean Callanan
0da87c200d Fixed edis to tokenize instructions with no 
operands correctly.

llvm-svn: 102227
 2010-04-24 01:00:16 +00:00
Jim Grosbach
5d2852cdd0 cross-build Makefile needs to unset CFLAGS/CXXFLAGS when building the build-side utilities since the flags will be for the cross-compiler. 
llvm-svn: 102225
 2010-04-24 00:46:14 +00:00
Chris Lattner
ace5b97b5c no longer xfail 
llvm-svn: 102220
 2010-04-23 22:39:33 +00:00
Sean Callanan
72d3d36188 Fixes to edis that mark x86 call targets as 
memory operands rather than immediate operands.

llvm-svn: 102217
 2010-04-23 22:17:17 +00:00
Stuart Hastings
85b5c330f2 Per Chris, fuse four trivial tests using grep (r102199) into one that uses FileCheck. 
llvm-svn: 102216
 2010-04-23 22:12:57 +00:00
Chris Lattner
3309e63080 enable my inliner change: add newly devirtualized call sites to 
the worklist, making them inline candidates.

llvm-svn: 102213
 2010-04-23 21:16:07 +00:00
Dan Gohman
6a48222bd8 Change TargetData's algorithm for computing defualt vector type 
alignment to match what's used in clang and GCC for __alignof, rather
than trying to guess what Legalize is going to be doing.

llvm-svn: 102206
 2010-04-23 19:41:15 +00:00
Evan Cheng
34f01afb97 Code refactoring. 
llvm-svn: 102202
 2010-04-23 19:10:30 +00:00
Stuart Hastings
ad81819149 Add some missing x86 patterns for movdq2q. Fixes two (LLVM-)GCC DejaGNU testcases. Radar 6881029. 
llvm-svn: 102199
 2010-04-23 19:03:32 +00:00
Chris Lattner
790231f95e fix some failures my callgraph dump format change broke. 
llvm-svn: 102197
 2010-04-23 18:38:40 +00:00
Chris Lattner
a61306d68f switch InlineInfo.DevirtualizedCalls's list to be of WeakVH. 
This fixes a bug where calls inlined into an invoke would get
changed into an invoke but the array would keep pointing to
the (now dead) call.  The improved inliner behavior is still
disabled for now.

llvm-svn: 102196
 2010-04-23 18:37:01 +00:00
Chris Lattner
775c94002d testcase for the bug that required a patch to be reverted. 
llvm-svn: 102195
 2010-04-23 18:31:01 +00:00
Chris Lattner
a69f36cccb fix callgraph dump to not print 0x0x1234 for nodes. 
Add the instruction pointer value for debuggability.  
We now get dump output that looks like this:

Call graph node for function: 'f1'<<0x1017086b0>>  #uses=1
  CS<0x1017046f8> calls external node

Call graph node for function: '_ZNSt6vectorIdSaIdEEC1EmRKdRKS0_'<<0x1017086f0>>  #uses=1
  CS<0x0> calls external node

Call graph node for function: 'f4'<<0x1017087a0>>  #uses=1
  CS<0x101708c88> calls function 'f3'

llvm-svn: 102194
 2010-04-23 18:23:40 +00:00
Evan Cheng
9228d598ad Fix X86ISD::CMP i16 to i32 promotion. 
llvm-svn: 102192
 2010-04-23 18:21:16 +00:00