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Author SHA1 Message Date
Gabor Greif
92362680c1 fix some 80-col violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55565 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 10:09:02 +00:00
Evan Cheng
cd04708f59 Re-apply 55467 with fix. If copy is being replaced by remat'ed def, transfer the implicit defs onto the remat'ed instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55564 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 09:09:33 +00:00
Evan Cheng
3689ff450a Fold isRematerializable checks into isSafeToReMat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55563 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 09:07:18 +00:00
Evan Cheng
b18ae3cb63 For now, can't mark XOR64rr isAsCheapAsAMove. It's technically correct. But various passes cannot handle remating these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55562 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 08:54:22 +00:00
Evan Cheng
eb9f89287e Transform (x << (y&31)) -> (x << y). This takes advantage of the fact x86 shift instructions 2nd operand (shift count) is limited to 0 to 31 (or 63 in the x86-64 case). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55558 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 02:03:58 +00:00
Daniel Dunbar
dcf114e861 Enable -fvisibility-inlines-hidden by default for compilers which 
support it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55557 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 01:16:19 +00:00
Dale Johannesen
c4db7276e0 Testcases for ppc atomics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55556 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:54:31 +00:00
Owen Anderson
cc54e76cc6 Fix an issue where a use might be selected before a def, and then we didn't respect the pre-chosen vreg 
assignment when selecting the def.  This is the naive solution to the problem: insert a copy to the pre-chosen
vreg.  Other solutions might be preferable, such as:
  1) Passing the dest reg into FastEmit_.  However, this would require the higher level code to know about reg classes, which they don't currently.
  2) Selecting blocks in reverse postorder.  This has some compile time cost for computing the order, and we'd need to measure its impact.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55555 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:38:46 +00:00
Dale Johannesen
ea9eedb787 Add ppc partial-word ATOMIC_CMP_SWAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-30 00:08:53 +00:00
Evan Cheng
456704476f Swap fp comparison operands and change predicate to allow load folding (safely this time). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55553 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:22:12 +00:00
Evan Cheng
97af60b3ae Use static_cast instead of C style cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:21:31 +00:00
Evan Cheng
4529966d99 Fix 80 col. violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55551 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 23:20:46 +00:00
Evan Cheng
50ead9099d xfail this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:59:13 +00:00
Evan Cheng
17a568b668 Back out 55498. It broken Apple style bootstrapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55549 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:21:44 +00:00
Evan Cheng
94a50da93c Backing out 55521. Not safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55548 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 22:13:21 +00:00
Dale Johannesen
0e55f0678c Add partial word version of ATOMIC_SWAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55546 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 18:29:46 +00:00
Owen Anderson
667d8f7607 Add initial support for fast isel of instructions that have inputs pinned to physical registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:45:56 +00:00
Chris Lattner
15bd095aa5 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:20:18 +00:00
Chris Lattner
828db8a2f9 Asmprint nameless instructions as: 
%4 = add ...

instead of:

add ...    ; 4

This makes opt -print-cfg output actually usable and makes .ll files
generally easier to read.  This fixes PR2480


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55541 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:19:30 +00:00
Chris Lattner
33e4e610b5 allow this to pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:18:26 +00:00
Chris Lattner
6ac28095c2 Add support for parsing .ll files that have numbers in front of 
nameless values, such as:

%3 = add i32 4, 2

This fixes the first half of PR2480



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55539 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 17:12:13 +00:00
Evan Cheng
ba705f62b1 TableGen'ing instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:42:03 +00:00
Evan Cheng
612b79edc9 addrmode1 (data processing) instruction encoding: bits 5-6 are 0, bits 7-10 encode the opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:40:52 +00:00
Evan Cheng
3924f78a96 MVN is addrmode1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:36:24 +00:00
Daniel Dunbar
71c8c175fb Add GlobalValue::{removeFromParent,eraseFromParent} 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 07:30:15 +00:00
Evan Cheng
130966411f More refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 06:41:12 +00:00
Daniel Dunbar
7b75fbf224 Add DenseMap::lookup: 
/// lookup - Return the entry for the specified key, or a default
  /// constructed value if no such entry exists.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-29 00:48:44 +00:00
Evan Cheng
4d46d0af58 Swap fp comparison operands and change predicate to allow load folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:48:31 +00:00
Evan Cheng
37f25d989a Refactor ARM instruction format definitions into a separate file. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55518 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:39:26 +00:00
Dan Gohman
99b218218c Add a target callback for FastISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:21:34 +00:00
Gabor Greif
327ef031ed remove tabs, fix > 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:19:51 +00:00
Bill Wendling
4c06765d98 Add another description to my entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:16:37 +00:00
Gabor Greif
d80360ae2e just a brain dump for a small tool 
that brings us to 80-col violations
or tabs.

Usage:
  visit-violations <file>

At the moment it outputs editor invocations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 23:15:28 +00:00
Chris Lattner
db57ef1cb3 rename destroy -> releaseMemory to properly hook into passmgr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 22:56:53 +00:00
Nicolas Geoffray
d046fc61ac Add support for JIT exceptions on Darwin. Since we're dealing with libgcc, 
whose darwin code was written after the ability to dynamically register frames,
we need to do special hacks to make things work.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55507 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 22:34:49 +00:00
Gabor Greif
5039a6f4f5 fix the output dumbness I have introduced some time ago 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 22:32:39 +00:00
Gabor Greif
ba36cb5242 erect abstraction boundaries for accessing SDValue members, rename Val -> Node to reflect semantics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:40:38 +00:00
Dan Gohman
205d92589b Implement null and undef values for FastISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55500 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:19:07 +00:00
Mon P Wang
5ad0bf658a In lowering SELECT_CC, removed cases where we can't flip the true and false when the compare value has a NaN 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55499 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:04:05 +00:00
Dan Gohman
a3f8b7a4ce Optimize DAGCombiner's worklist processing. Previously it started 
its work by putting all nodes in the worklist, requiring a big
dynamic allocation. Now, DAGCombiner just iterates over the AllNodes
list and maintains a worklist for nodes that are newly created or
need to be revisited. This allows the worklist to stay small in most
cases, so it can be a SmallVector.

This has the side effect of making DAGCombine not miss a folding
opportunity in alloca-align-rounding.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 21:01:56 +00:00
Dan Gohman
9ffd8b5720 Move CaseBlock, JumpTable, and BitTestBlock to be members of 
SelectionDAGLowering instead of being in an anonymous namespace.
This fixes warnings about SelectionDAGLowering having fields
using anonymous namespaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55497 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 20:38:18 +00:00
Dan Gohman
5edd361497 Fix a FastISel bug where the instructions from lowering the arguments 
were being emitted after the first instructions of the entry block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 20:28:56 +00:00
Rafael Espindola
833a990c26 Use resize instead of reserve. Reserve doesn't change size(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55486 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 18:32:53 +00:00
Rafael Espindola
91ee5454ae Reduce the size of the Parts vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 18:29:58 +00:00
Owen Anderson
c0bb68b982 Hook up support for fast-isel of trunc instructions, using the newly working support for EXTRACT_SUBREG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55482 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 18:26:01 +00:00
Owen Anderson
b5dbcb538b Add support for fast-isel of opcodes that require use of extract_subreg. Because of how extract_subreg is treated, it requires special case handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 18:06:12 +00:00
Dale Johannesen
97efa36586 Implement partial-word binary atomics on ppc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55478 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 17:53:09 +00:00
Owen Anderson
40a468f249 FastEmitInst_extractsubreg doesn't need to be passed the register class. It can get it from MachineRegisterInfo instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 17:47:37 +00:00
Dan Gohman
f641395435 Revert r55467; it causes regressions in UnitTests/Vector/divides, 
Benchmarks/sim/sim, and others on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 17:22:54 +00:00
Rafael Espindola
c748ffa4e4 Correctly resize the Parts array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 14:24:45 +00:00