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Author SHA1 Message Date
Jim Grosbach
f6b2862e81 ARM memory barrier instructions are not predicable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91305 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 18:31:20 +00:00
Daniel Dunbar
252a0dfa6a NNT: Use [e]grep -a when scanning logs, its possibly they will have non-text 
characters in them, in which case the grep will just return 'Binary file
matches' and the whole thing falls over.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91302 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:58:33 +00:00
Daniel Dunbar
1b54d423aa NNT: Always create the -sentdata.txt file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91301 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:58:27 +00:00
Dan Gohman
e2f65ee4b1 Clear the Processed set when it is no longer used, and clear the 
IVUses list in releaseMemory().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:35:17 +00:00
Dan Gohman
30844c3950 Fix a thinko; isNotAlreadyContainedIn had a built-in negative, so the 
condition was inverted when the code was converted to contains().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:31:01 +00:00
Dan Gohman
c71c0e958c Remove unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:19:06 +00:00
Dan Gohman
35d913e6f3 Make the IVUses member private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:14:32 +00:00
Dan Gohman
d3222b4224 Instead of having a ScalarEvolution pointer member in BasedUser, just pass 
the ScalarEvolution pointer into the functions which need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91289 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:12:51 +00:00
Dan Gohman
a77d588c75 Don't bother cleaning up if there's nothing to clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91288 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:10:44 +00:00
Dan Gohman
6dc1ef3923 Delete an unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91287 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:08:09 +00:00
Dan Gohman
440b40d865 Drop Loop::isNotAlreadyContainedIn in favor of Loop::contains. The 
former was just exposing a LoopInfoBase implementation detail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:06:50 +00:00
Jim Grosbach
d7d72d66b7 add ldrexd/strexd instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:02:55 +00:00
Dan Gohman
1ed8bb3556 LSR itself doesn't need LoopInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91283 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:02:34 +00:00
Dan Gohman
c398365349 LSR itself doesn't need DominatorTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 16:57:08 +00:00
Dan Gohman
67b94fb73d Remove the code in LSR that manually hoists expansions out of loops; 
SCEVExpander does this automatically.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91281 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 16:52:55 +00:00
Dan Gohman
b058ceda56 Minor code cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91280 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 16:37:29 +00:00
Devang Patel
ffe966c15b Use DW_AT_specification to point to DIE describing function declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91278 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 16:18:45 +00:00
Shantonu Sen
bc1c99c4fb Remove empty file completely 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91277 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 14:15:15 +00:00
Torok Edwin
546d8d0e3e Add "generic" fallback. 
gcc warned that the function may not have a return value, indeed
for non-intel and non-amd X86 CPUs it is right (VIA, etc.).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91276 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 12:38:18 +00:00
Lang Hames
94a4a5eec6 Added CalcSpillWeights to CMakeLists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 07:43:25 +00:00
Bill Wendling
85de1e5bad Whitespace changes, comment clarification. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91274 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 06:51:19 +00:00
Lang Hames
a937f220e1 Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91273 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 06:49:42 +00:00
Chris Lattner
a59adc4015 revert r91184, because it causes a crash on a .bc file I just 
sent to Bob.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91268 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 05:11:02 +00:00
Jim Grosbach
c3c2354ec9 atomic binary operations up to 32-bits wide. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 04:22:04 +00:00
Mikhail Glushenkov
0898d7d4a5 Add a test for the 'init' option property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91259 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 04:06:38 +00:00
Jeffrey Yasskin
898e9df8db Reinstate r91208 to fix available_externally linkage for globals, with 
nlewycky's fix to add -rdynamic so the JIT can look symbols up in Linux builds
of the JITTests binary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91250 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-13 20:30:32 +00:00
Torok Edwin
c4174d675b Using _MSC_VER there was wrong, better just use the already existing ifdefs for 
x86 CPU detection for the X86 getHostCPUName too, and create a simple
getHostCPUName that returns "generic" for all else.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91240 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-13 08:59:40 +00:00
Chandler Carruth
0daf77e803 Don't leave pointers uninitialized in the default constructor. GCC complains 
about the potential use of these uninitialized members under certain conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-13 07:04:45 +00:00
Anton Korobeynikov
60283f9bc9 Fix weird typo which leads to unallocated memory access for nodes with 4 results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91233 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-13 01:00:59 +00:00
Anton Korobeynikov
cdcad11c94 Do not allow uninitialize access during debug printing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-13 01:00:32 +00:00
Eli Friedman
bcae205a4b More info on this transformation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 23:23:43 +00:00
Eli Friedman
1555473387 Remove some stuff that's already implemented. Also, remove the note about 
merging x >u 5 and x <s 20 because it's impossible to implement.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91228 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 21:41:48 +00:00
Daniel Dunbar
55df144a78 Update install-clang target for clang-cc removal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91226 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 21:17:54 +00:00
Evan Cheng
dd99f3a7dc Disable r91104 for x86. It causes partial register stall which pessimize code in 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91223 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 20:03:14 +00:00
Anton Korobeynikov
2625de35ed Implement variable-width shifts. 
No testcase yet - it seems we're exposing generic codegen bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91221 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 18:55:37 +00:00
Evan Cheng
04ab19cb14 Add comment about potential partial register stall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91220 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 18:55:26 +00:00
Evan Cheng
15b0d97068 Fix an obvious bug. No test case since LEA16r is not being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91219 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 18:51:56 +00:00
Torok Edwin
da8bafbf83 Enable CPU detection when using MS VS 2k8 too. 
MSVS2k8 doesn't define __i386__, hence all the CPU detection code was disabled.
Enable it by looking for _MSC_VER.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91217 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 12:42:31 +00:00
Benjamin Kramer
7b3f1a21ea Fix some CHECK lines which were ignored by accident. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 09:25:50 +00:00
Jeffrey Yasskin
9b8ff28870 Revert r91208. Something on Linux prevents the JIT from looking up a symbol 
defined in the test, and I don't have time tonight to figure it out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 06:18:46 +00:00
Jeffrey Yasskin
5cc966a6c1 Fix available_externally linkage for globals. It's probably still not 
supported by emitGlobals, but I don't have a test case for that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91208 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 05:58:14 +00:00
Jeffrey Yasskin
66b856683f Make it easier to use the llvm_unreachable and DEBUG macros without "using 
namespace llvm" by qualifying their implementations with ::llvm::.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91206 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 04:08:32 +00:00
Jim Grosbach
e801dc4a7b Framework for atomic binary operations. The emitter for the pseudo instructions 
just issues an error for the moment. The front end won't yet generate these
intrinsics for ARM, so this is behind the scenes until complete.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91200 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-12 01:40:06 +00:00
Bob Wilson
73a1b67cb9 Revise scalar replacement to be more flexible about handle bitcasts and GEPs. 
While scanning through the uses of an alloca, keep track of the current offset
relative to the start of the alloca, and check memory references to see if
the offset & size correspond to a component within the alloca.  This has the
nice benefit of unifying much of the code from isSafeUseOfAllocation,
isSafeElementUse, and isSafeUseOfBitCastedAllocation.  The code to rewrite
the uses of a promoted alloca, after it is determined to be safe, is
reorganized in the same way.

Also, when rewriting GEP instructions, mark them as "in-bounds" since all the
indices are known to be safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 23:47:40 +00:00
Dan Gohman
a0474a83bf Delete an unnecessary line. The VTSDNode on a SIGN_EXTEND_REG is never 
a vector type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91181 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 23:26:08 +00:00
Anton Korobeynikov
8d1ffbd1ad Lower setcc branchless, if this is profitable. 
Based on the patch by Brian Lucas!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 23:01:29 +00:00
Bill Wendling
c42a0b75a4 Don't try to move a MBB into the fall-through position if it's a landing pad or 
branches only to a landing pad. Without this check, the compiler would go into
an infinite loop because the branch to a landing pad is an "abnormal" edge which
wasn't being taken into account.

This is the meat of that fix:

  if (!PrevBB.canFallThrough() && !MBB->BranchesToLandingPad(MBB)) {

The other stuff is simplification of the "branches to a landing pad" code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91161 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 21:47:36 +00:00
Devang Patel
d037d7a497 Construct CompileUnits lazily. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 21:37:07 +00:00
Dan Gohman
87862e77bb Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 21:31:27 +00:00
Jim Grosbach
c8f9e4fdc5 memory barrier instructions by definition have side effects. This prevents the post-RA scheduler from moving them around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 20:29:53 +00:00