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Author SHA1 Message Date
Jim Grosbach
c6961f140a Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:20:48 +00:00
Jim Grosbach
53694265a9 Refactor the ARM PICADD and PICLDR* instructions to really be pseudos and not 
just pretend to be.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119602 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:15:56 +00:00
Owen Anderson
35141a9ba3 Try again at providing Thumb2 encodings for basic multiplication operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 01:08:42 +00:00
Francois Pichet
f4efa8e785 Appease MSVC 2008: you can't use keyword this inside EXPECT_EQ(). 
This is because of bug 331418 on Microsoft Connect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:59:50 +00:00
John Thompson
d3b809d476 Fixed to use input redirection for source - to eliminate .s output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:50:20 +00:00
Jim Grosbach
160f8f0e67 Refactor a few ARM load instructions to better parameterize things and re-use 
common encoding information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:46:58 +00:00
Owen Anderson
424216453f Revert r119593 while I figure out my testing disagrees with the buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:42:51 +00:00
Dan Gohman
9c9fcfc719 Introduce memoization for ScalarEvolution dominates and properlyDominates 
queries, and SCEVExpander getRelevantLoop queries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:34:22 +00:00
Owen Anderson
18333616cd Provide correct Thumb2 encodings for basic multiplication operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119593 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:19:10 +00:00
Oscar Fuentes
78786f9eb6 Updated library dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-18 00:12:27 +00:00
John Thompson
7730318000 Bug 8621 fix - pointer cast stripped from inline asm constraint argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119590 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 23:58:47 +00:00
Wesley Peck
b977f04c5b Make MCJIT work with CMake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119589 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 23:35:07 +00:00
Jim Grosbach
85eb54cf0c Clean up LEApcrel instuction(s) a bit. It's not really a Pseudo, so don't mark 
it as such. Add some encoding information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 23:33:14 +00:00
Dan Gohman
56a7568218 Factor out the code for purging a SCEV from all the various memoization maps. 
Some of these maps may merge in the future, but for now it's convenient to have
a utility function for them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119587 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 23:28:48 +00:00
Dan Gohman
714b5290b0 Merge the implementations of isLoopInvariant and hasComputableLoopEvolution, and 
memoize the results. This improves compile time in code which highly complex
expressions which get queried many times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 23:21:44 +00:00
Wesley Peck
e7c682b543 Now that the MBlaze backend is in its own directory, split the test cases into multiple files for different types of instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 22:54:43 +00:00
Dan Gohman
4ce32db913 Make SCEV::getType() and SCEV::print non-virtual. Move SCEV::hasOperand 
to ScalarEvolution. Delete SCEV::~SCEV. SCEV is no longer virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 22:27:42 +00:00
Owen Anderson
2f7aed39a3 Second attempt at correct encodings for Thumb2 bitfield instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 22:16:31 +00:00
Jim Grosbach
0129be281e Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:57:51 +00:00
Dale Johannesen
8abe08d7f9 These tests are looking for library function names that 
appear to differ on Linux.  Try to make them pass on Linux.
Would be good for a Linux person to review this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:57:32 +00:00
Dan Gohman
dc0e8fb9f9 Move SCEV::dominates and properlyDominates to ScalarEvolution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:41:58 +00:00
Bob Wilson
05646099a0 Change ARMGlobalMerge to keep BSS globals in separate pools. 
This completes the fixes for Radar 8673120.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119566 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:25:39 +00:00
Bob Wilson
619a372617 Fix ARMGlobalMerge pass to check if globals are entirely within range. 
It is generally not sufficient to check if the starting offset is in range
of the maximum offset that can be efficiently used for the target.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:25:36 +00:00
Bob Wilson
72831dc905 Change the symbol for merged globals from "merged" to "_MergedGlobals". 
This makes it more clear that the symbol is an internal, compiler-generated
name and gives a little more description about its contents.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:25:33 +00:00
Bob Wilson
edf046716c Fix the ARMGlobalMerge pass to look at variable sizes instead of pointer sizes. 
It was mistakenly looking at the pointer type when checking for the size of
global variables.  This is a partial fix for Radar 8673120.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:25:27 +00:00
Dan Gohman
17ead4ff4b Move SCEV::isLoopInvariant and hasComputableLoopEvolution to be member 
functions of ScalarEvolution, in preparation for memoization and
other optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:23:15 +00:00
Jim Grosbach
f8dabac604 Make the ARM BR_JTadd instruction an explicit pseudo and lower it properly 
in the MC lowering process.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 21:05:55 +00:00
Evan Cheng
6b19491468 Avoid isel movcc of large immediates when the large immediate is available in a register. These immediates aren't free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:56:30 +00:00
Dan Gohman
a9b61e7f7b Reference ScalarEvolution by name rather than directly in LICM, 
to avoid an unneeded dependence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:50:07 +00:00
Duncan Sands
6f8a5ddcd8 Before replacing a phi node with a different value, it 
needs to be checked that this won't break LCSSA form.
Change the existing checking method to a more direct one:
rather than seeing if all predecessors belong to the loop,
check that the replacing value is either not in any loop or
is in a loop that contains the phi node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:49:12 +00:00
Owen Anderson
5aba9f694f Revert r119551, which broke buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:48:51 +00:00
Dan Gohman
203a7239ae Verify SCEVAddRecExpr's invariant in ScalarEvolution::getAddRecExpr 
instead of in SCEVAddRecExpr's constructor, in preparation for an
upcoming change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119554 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:48:38 +00:00
Owen Anderson
23465a06f4 Provide Thumb2 encodings for bitfield instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:35:29 +00:00
Dan Gohman
7c0fd8eb72 Fix ScalarEvolution's range memoization to avoid using a 
default ctor with ConstantRange.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:23:08 +00:00
Evan Cheng
c4af4638df Remove ARM isel hacks that fold large immediates into a pair of add, sub, and, 
and xor. The 32-bit move immediates can be hoisted out of loops by machine
LICM but the isel hacks were preventing them.

Instead, let peephole optimization pass recognize registers that are defined by
immediates and the ARM target hook will fold the immediates in.

Other changes include 1) do not fold and / xor into cmp to isel TST / TEQ
instructions if there are multiple uses. This happens when the 'and' is live
out, machine sink would have sinked the computation and that ends up pessimizing
code. The peephole pass would recognize situations where the 'and' can be
toggled to define CPSR and eliminate the comparison anyway.

2) Move peephole pass to after machine LICM, sink, and CSE to avoid blocking
important optimizations.

rdar://8663787, rdar://8241368


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:13:28 +00:00
Rafael Espindola
f2dc4aa562 make isVirtualSection a virtual method on MCSection. Chris' suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 20:03:54 +00:00
Owen Anderson
46c478e802 More miscellaneous Thumb2 encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:57:38 +00:00
Chris Lattner
eddd96901e add some justification for "using namespace llvm;" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:47:20 +00:00
Jim Grosbach
4d08863108 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:30:11 +00:00
Bill Wendling
df8d94da01 Add missing opcodes now that this function's used in more than one place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:16:20 +00:00
Benjamin Kramer
1951a5b721 InstCombine: Add a missing irem identity (X % X -> 0). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 19:11:46 +00:00
Duncan Sands
2b749870d0 Move some those Xor simplifications which don't require creating new 
instructions out of InstCombine and into InstructionSimplify.  While
there, introduce an m_AllOnes pattern to simplify matching with integers
and vectors with all bits equal to one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119536 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 18:52:15 +00:00
Jim Grosbach
89e14c7579 More ARM encoding bits. LDRH now encodes properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 18:11:11 +00:00
Chris Lattner
684cf814c7 various cleanups and other improvements, patch by Zhanyong Wan! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 17:14:55 +00:00
Rafael Espindola
435279b1a6 Add support for .int. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:24:40 +00:00
Rafael Espindola
110f22aae8 Add support for .2byte, .4byte and .8byte. 
Fixes PR8631.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119511 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:15:42 +00:00
Daniel Dunbar
abc756216d MC-JIT: Stub out "pure" streamer. 
- No immediate use, but maybe someone feels like hacking on it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:06:47 +00:00
Daniel Dunbar
6aec298486 MCJIT: Stub out MCJIT implementation, still doesn't do anything useful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:06:43 +00:00
Daniel Dunbar
6d135972bf lli: Add stub -use-mcjit option, which doesn't currently do anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 16:06:37 +00:00
Duncan Sands
6fb881c036 Have InlineFunction use SimplifyInstruction rather than 
hasConstantValue.  I was leery of using SimplifyInstruction
while the IR was still in a half-baked state, which is the
reason for delaying the simplification until the IR is fully
cooked.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119494 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-17 11:16:23 +00:00