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Author SHA1 Message Date
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
Evan Cheng
9242cb8b82 If a copy isn't coalesced, but its src is defined by trivial computation. Re-materialize the src to replace the copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55467 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 07:53:51 +00:00
Evan Cheng
66e13153bd FsFLD0S{S|D} and V_SETALLONES are as cheap as moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55466 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 07:52:25 +00:00
Chris Lattner
cad208b8bc Make the verifier reject instructions which have null pointers 
for operands: rdar://6179606.  no testcase, because I can't write
a .ll file that is this broken ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 04:02:44 +00:00
Chris Lattner
1e1ef3e2bd Clear the intervals list in "destroy", patch by 
Prakash Prabhu!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 03:33:03 +00:00
Dale Johannesen
e00a8a2a2e Split the ATOMIC NodeType's to include the size, e.g. 
ATOMIC_LOAD_ADD_{8,16,32,64} instead of ATOMIC_LOAD_ADD.
Increased the Hardcoded Constant OpActionsCapacity to match.
Large but boring; no functional change.

This is to support partial-word atomics on ppc; i8 is
not a valid type there, so by the time we get to lowering, the
ATOMIC_LOAD nodes looks the same whether the type was i8 or i32.
The information can be added to the AtomicSDNode, but that is the
largest SDNode; I don't fully understand the SDNode allocation,
but it is sensitive to the largest node size, so increasing
that must be bad.  This is the alternative.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55457 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 02:44:49 +00:00
Dale Johannesen
f2c785edf0 This test crashes on non-x86 host; make SSE explicit. 
Feel free to fix a better way!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55456 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 01:51:09 +00:00
Dan Gohman
0e2b43fee2 Fix a missing #include. Patch by Andrew John Hughes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55451 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-28 00:20:07 +00:00
Dan Gohman
7c3234c6be Reorganize the lifetimes of the major objects SelectionDAGISel 
works with.

SelectionDAG, FunctionLoweringInfo, and SelectionDAGLowering
objects now get created once per SelectionDAGISel instance, and
can be reused across blocks and across functions. Previously,
they were created and destroyed each time they were needed.

This reorganization simplifies the handling of PHI nodes, and
also SwitchCases, JumpTables, and BitTestBlocks. This
simplification has the side effect of fixing a bug in FastISel
where successor PHI nodes weren't being updated correctly.

This is also a step towards making the transition from FastISel
into and out of SelectionDAG faster, and also making
plain SelectionDAG faster on code with lots of little blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55450 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 23:52:12 +00:00
Owen Anderson
8970f00def Add a helper method that will be used to support EXTRACT_SUBREG for selecting trunc's in fast-isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55439 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 22:30:02 +00:00
Bill Wendling
1dd0086b06 Make "movdq2q" and "movq2dq" dependent upon having SSE2 because they use the 
SSE2 registers as well as the MMX registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55436 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 21:32:04 +00:00
Bill Wendling
d64d956f3d Put file scoped constants in an anonymous namespace. Use the "using namespace 
llvm" for consistency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 21:10:13 +00:00
Evan Cheng
8763c1c544 Move the check whether it's worth remating to caller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55434 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 20:58:54 +00:00
Devang Patel
18bb2788a0 Do not apply the transformation if the target does not support DestTy natively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55433 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 20:55:23 +00:00
Devang Patel
ff5d06d797 Backout 55429 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55432 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-27 20:51:49 +00:00