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Author SHA1 Message Date
Dan Gohman
099879687f Use getSCEV instead of getUnknown to create a SCEV for a 
Constant. This lets ConstantInts be handled as SCEVConstant instead
of SCEVUnknown, as getUnknown no longer has special-case code for
ConstantInt and friends. This usually doesn't affect the final
output, since the constants end up getting folded later, but it
does make intermediate expressions more obvious in many cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74459 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:31:18 +00:00
Daniel Dunbar
513306395c Fix uninitialized variable warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:14:21 +00:00
Daniel Dunbar
74deeb84bd Don't build LLVMC when configured with --disable-pic (it needs requires shared 
module support to build).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:12:26 +00:00
Torok Edwin
6c839926ba Set wasRun to false here on Dan's suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74455 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 21:05:10 +00:00
Devang Patel
1dbc771a83 s/MainCU/ModuleCU/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:45:18 +00:00
Daniel Dunbar
8bd1c2834d Set some svn:ignore props 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:41:28 +00:00
Daniel Dunbar
fc6877aec9 MC: Improve expression parsing and implement evaluation of absolute expressions 
(missed files).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74450 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:40:36 +00:00
Devang Patel
70f4426750 Multiple DW_TAG_compile_unit is not used, afaict, on any target. 
Update dwarf writer to only emit one DW_TAG_compile_unit per .o file. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:38:13 +00:00
Daniel Dunbar
475839e9a9 MC: Improve expression parsing and implement evaluation of absolute expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74448 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:37:27 +00:00
Dan Gohman
cffddcd726 Don't cache PHI exit values from exhaustive evaluations, because 
an individual exhaustive evaluation reflects only the exit value
implied by an individual exit, which may differ from the actual
exit value of the loop if there are other exits. This fixes PR4477.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74447 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:34:13 +00:00
Rafael Espindola
63de5c3b7e FIX PR 4459. 
Not sure I understand how the temp register gets used,
but this fixes a bug and introduces no regressions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74446 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:29:59 +00:00
David Greene
cf048d4e59 Add some tests of advanced TableGen list functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:07:17 +00:00
David Greene
2c0266202d Implement !cast<string>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 20:05:29 +00:00
David Greene
67acdf2977 Improve TableGen error reporting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74443 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 19:59:52 +00:00
Torok Edwin
48de5d8fd0 Initialize CurSection in constructor. 
Not doing so causes some unittests to fail, because CurSection is uninitialized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74442 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 19:59:10 +00:00
Daniel Dunbar
44b8472add Fix order of arguments to EXPECT_EQ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 19:57:24 +00:00
Daniel Dunbar
7908a6a189 Rename MCValue::getCst to getConstant and add MCValue::isConstant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 19:51:00 +00:00
Andreas Bolka
2fbb770d40 Relax LDA memory instruction checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74439 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 18:51:11 +00:00
Torok Edwin
1970a89a49 Call doInitialization(), releaseMemory(), and doFinalization() for on-the-fly passes as well. 
Also don't call finalizers for LoopPass if initialization was not called.
Add a unittest that tests that these methods are called, in the proper
order, and the correct number of times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 18:49:09 +00:00
Dan Gohman
23737e0423 Simplify this code, and avoid using APInt(). This fixes 
(otherwise harmless) uninitialized value warnings that
Duncan found with gcc-4.4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 18:25:52 +00:00
Owen Anderson
9917700af4 Add a target-specific DAG combine on X86 to fold the common pattern of 
fence-atomic-fence down to just the atomic op.  This is possible thanks to
X86's relatively strong memory model, which guarantees that locked instructions
(which are used to implement atomics) are implicit fences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 18:04:45 +00:00
Sebastian Redl
37c286c181 Fix three MSVC 2008 warnings that completely clutter the build output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74430 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 17:12:06 +00:00
David Greene
3016af5a1d Add processor descriptions for Istanbul and Shanghai. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 16:54:06 +00:00
David Greene
640a0c1477 Fix a subtarget feature bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 16:51:01 +00:00
David Greene
9b9838dbd4 Add more vector ValueTypes for AVX and other extended vector instruction 
sets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 16:47:10 +00:00
Douglas Gregor
48715a17c1 Fix CMake checks for pthread_getspecific and pthread_rwlock_init, from Xerxes Ranby 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 16:25:22 +00:00
David Goodwin
c0309b48b5 Rename ARMcmpNZ to ARMcmpZ and use it to represent comparisons that set only the Z flag (i.e. eq and ne). Make ARMcmpZ commutative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 15:33:01 +00:00
Duncan Sands
cd1267d2d6 Add triple for OpenBSD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74422 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 13:36:13 +00:00
Duncan Sands
c91e68a0c4 Include the new file ThumbRegisterInfo.cpp to CMakeLists.txt 
to make sure ThumbRegisterInfo.cpp are compiled and linked in.
Patch by Xerxes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 13:11:32 +00:00
Evan Cheng
055b0310f8 Implement Thumb2 ldr. 
After much back and forth, I decided to deviate from ARM design and split LDR into 4 instructions (r + imm12, r + imm8, r + r << imm12, constantpool). The advantage of this is 1) it follows the latest ARM technical manual, and 2) makes it easier to reduce the width of the instruction later. The down side is this creates more inconsistency between the two sub-targets. We should split ARM LDR instruction in a similar fashion later. I've added a README entry for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74420 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 07:51:04 +00:00
Mikhail Glushenkov
95c1f5ba64 Make dynamic LLVMC plugins work on Windows (finally!). 
Implemented by making lib/CompilerDriver a shared library that holds all the
global static data (CommandLine options, plugin registry) that we unfortunately
have to live with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 03:09:15 +00:00
Andreas Bolka
868a302738 Missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74416 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 00:53:49 +00:00
Andreas Bolka
acd6f8d5d1 Fix case in LDA util function names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74415 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-29 00:50:26 +00:00
Andreas Bolka
c6a303052b Print pairwise dependence results, add testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-28 00:35:22 +00:00
Andreas Bolka
f35626d3cd Minimal LDA interface, maximally conservative tester. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74401 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-28 00:21:21 +00:00
Andreas Bolka
707207adae LDA analysis output scaffolding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74400 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-28 00:16:08 +00:00
Dan Gohman
f7ca1611e2 Don't try to split a loop when the controlling icmp instruction 
doesn't have an IV-based operand. This fixes PR4471.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74399 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 22:58:27 +00:00
Dan Gohman
a1baee20c4 Remove the block from the LoopInfo, rather than just the Loop. 
LoopInfo will handle removing it from the Loop, as well as updating
its own tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 22:32:36 +00:00
Dan Gohman
4b35f83b91 Teach LoopSimplify how to merge multiple loop exits into a single exit, 
when one of them can be converted to a trivial icmp and conditional
branch.

This addresses what is essentially a phase ordering problem.
SimplifyCFG knows how to do this transformation, but it doesn't do so
if the primary block has any instructions in it other than an icmp and
a branch. In the given testcase, the block contains other instructions,
however they are loop-invariant and can be hoisted. SimplifyCFG doesn't
have LoopInfo though, so it can't hoist them. And, it's important that
the blocks be merged before LoopRotation, as it doesn't support
multiple-exit loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74396 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:30:38 +00:00
Dan Gohman
cfb32203bc More minor code simplifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74395 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:23:40 +00:00
Dan Gohman
9d59d9f849 Eliminate a layer of indirection in LoopInfo and MachineLoopInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74394 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:22:48 +00:00
Dan Gohman
1c34375f79 Convert ScalarEvolution to use BumpPtrAllocator and FoldingSet, instead 
of a team of individual allocations and a team of std::maps.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74393 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:21:31 +00:00
Dan Gohman
0a928335fa Remove a redundant #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74392 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:18:51 +00:00
Dan Gohman
267a385342 Change SCEVExpander to use an IRBuilder to emit instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74391 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 21:18:18 +00:00
Dan Gohman
1d3b26ac02 Add a 'const' in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74389 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 20:53:16 +00:00
Anton Korobeynikov
55ad1f22b4 Simplify a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74385 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 12:59:03 +00:00
Anton Korobeynikov
a98cbc554c ARM refactoring. Step 2: split RegisterInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 12:16:40 +00:00
Douglas Gregor
1b573d8b20 Add ThumbInstrInfo.cpp to the CMake makefiles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 07:44:59 +00:00
Chris Lattner
f7789c72bd remove a bunch of fixmes (old checking code) and commonize all the 
target-specific operand printing functionality.  Yay.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 05:46:24 +00:00
Chris Lattner
b1acd68fe4 pull @GOT, @GOTOFF, @GOTPCREL handling into isel from the asmprinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74378 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-27 05:39:56 +00:00