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3686 Commits

Author SHA1 Message Date
Anton Korobeynikov
24b906c8a3 XMM6-XMM15 are callee-saved on Win64. Patch by Nicolas Capens! 
llvm-svn: 56568
 2008-09-24 22:03:04 +00:00
Devang Patel
25ecdc49d9 Put FN_NOTE_AlwaysInline and others in FnAttr namespace. 
llvm-svn: 56527
 2008-09-24 00:06:15 +00:00
Evan Cheng
f942615847 Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc. 
llvm-svn: 56526
 2008-09-24 00:05:32 +00:00
Devang Patel
b39defd763 Move FN_NOTE_AlwaysInline and other out of ParamAttrs namespace. 
Do not check isDeclaration() in hasNote(). It is clients' responsibility.

llvm-svn: 56524
 2008-09-23 23:52:03 +00:00
Devang Patel
ad8ca34acd Use parameter attribute store (soon to be renamed) for 
Function Notes also. Function notes are stored at index ~0.

llvm-svn: 56511
 2008-09-23 22:35:17 +00:00
Dan Gohman
01a070f9c7 Arrange for FastISel code to have access to the MachineModuleInfo 
object. This will be needed to support debug info.

llvm-svn: 56508
 2008-09-23 21:53:34 +00:00
Dan Gohman
a712c8d29e Fix these enums' starting values to reflect the way that 
instruction opcodes are now numbered. No functionality change.

llvm-svn: 56497
 2008-09-23 18:42:32 +00:00
Dan Gohman
e21054687a Delete an unused function. 
llvm-svn: 56495
 2008-09-23 18:26:47 +00:00
Dan Gohman
6bed18a334 Move the code for initializing the global base reg out of 
X86ISelDAGToDAG.cpp and into X86InstrInfo.cpp. This will allow
it to be reused by FastISel.

llvm-svn: 56494
 2008-09-23 18:22:58 +00:00
Evan Cheng
5bf702d20a Support x86 specific inline asm modifier 'J'. 
llvm-svn: 56483
 2008-09-22 23:57:37 +00:00
Devang Patel
c7fc5ed65f Add hasNote() to check note associated with a function. 
llvm-svn: 56477
 2008-09-22 22:32:29 +00:00
Evan Cheng
1ded8b6ad6 Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators. 
llvm-svn: 56475
 2008-09-22 22:21:38 +00:00
Dale Johannesen
3722f4c14c Make log, log2, log10, exp, exp2 use Expand by 
default.

llvm-svn: 56471
 2008-09-22 21:57:32 +00:00
Evan Cheng
3bcf0cdd72 Mark several codegen passes as preserving all analysis. 
llvm-svn: 56469
 2008-09-22 20:58:04 +00:00
Oscar Fuentes
e51d9c0c3a CMake build system: support for parallel builds. 
llvm-svn: 56453
 2008-09-22 18:21:51 +00:00
Arnold Schwaighofer
49f49e2086 Change the calling convention used when tail call optimization is enabled from CC_X86_32_TailCall to CC_X86_32_FastCC. 
llvm-svn: 56436
 2008-09-22 14:50:07 +00:00
Oscar Fuentes
0f25988689 Initial support for the CMake build system. 
llvm-svn: 56419
 2008-09-22 01:08:49 +00:00
Chris Lattner
6e5b4c609c Fold immediates into X86 shifts with fast isel. This generates: 
sarl    $3, %ecx

instead of:

movl    $3, %ecx
sarl    %cl, %edx

This shrinks fast isel 176.gcc by about 2000 instructions (.3%)

llvm-svn: 56413
 2008-09-21 21:44:29 +00:00
Chris Lattner
c018045520 add a note 
llvm-svn: 56391
 2008-09-20 19:17:53 +00:00
Evan Cheng
6a86ec1ef0 No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it. 
llvm-svn: 56378
 2008-09-20 00:13:45 +00:00
Evan Cheng
7bcd8409b7 80 column violation. 
llvm-svn: 56377
 2008-09-20 00:13:08 +00:00
Dan Gohman
af1eeb6421 Fix a FastISel GlobalVariable CSE bug. 
llvm-svn: 56376
 2008-09-19 23:42:04 +00:00
Dan Gohman
f66b3277d3 Refactor X86SelectConstAddr, folding it into X86SelectAddress. This 
results in better code for globals. Also, unbreak the local CSE for
GlobalValue stub loads.

llvm-svn: 56371
 2008-09-19 22:16:54 +00:00
Dan Gohman
71b1f15917 Address-mode folding for X86FastISel. It's pretty basic, but it 
catches a fair number of common cases. Note that this currently
causes Fast-ISel to leave behind lots of dead instructions.
Those will be dealt with in subsequent commits.

llvm-svn: 56320
 2008-09-18 23:23:44 +00:00
Dan Gohman
e1c4ad399a Simplify this code. The FastISel class has its own TD member. 
llvm-svn: 56311
 2008-09-18 18:26:43 +00:00
Dan Gohman
5fbd0e95f3 FastISel: For calls, prefer using the callee's address as a constant 
over having it in a register. And wait until after checking type
legality before requesting that the callee address be placed in a
register. Also, fix support for calls with void return type.

This speeds up fast-isel isel time by about 15% and reduces
instruction counts by about 3% overall on certain testcases. It also
changes many indirect calls to direct calls.

llvm-svn: 56292
 2008-09-17 21:18:49 +00:00
Dan Gohman
9475c22537 Simplify and generalize X86DAGToDAGISel::CanBeFoldedBy, and draw 
up some new ascii art to illustrate what it does. This change
currently has no effect on generated code.

llvm-svn: 56270
 2008-09-17 01:39:10 +00:00
Bill Wendling
932818c75a Reverting r56249. On further investigation, this functionality isn't needed. 
Apologies for the thrashing.

llvm-svn: 56251
 2008-09-16 21:48:12 +00:00
Bill Wendling
1a240c8033 - Change "ExternalSymbolSDNode" to "SymbolSDNode". 
- Add linkage to SymbolSDNode (default to external).
- Change ISD::ExternalSymbol to ISD::Symbol.
- Change ISD::TargetExternalSymbol to ISD::TargetSymbol

These changes pave the way to allowing SymbolSDNodes with non-external linkage.

llvm-svn: 56249
 2008-09-16 21:12:30 +00:00
Dan Gohman
fa32c7c6d9 Remove isImm(), isReg(), and friends, in favor of 
isImmediate(), isRegister(), and friends, to avoid confusion
about having two different names with the same meaning. I'm
not attached to the longer names, and would be ok with
changing to the shorter names if others prefer it.

llvm-svn: 56189
 2008-09-13 17:58:21 +00:00
Dan Gohman
3450a8252f Define CallSDNode, an SDNode subclass for use with ISD::CALL. 
Currently it just holds the calling convention and flags
for isVarArgs and isTailCall.

And it has several utility methods, which eliminate magic
5+2*i and similar index computations in several places.

CallSDNodes are not CSE'd. Teach UpdateNodeOperands to handle
nodes that are not CSE'd gracefully.

llvm-svn: 56183
 2008-09-13 01:54:27 +00:00
Dan Gohman
89660301e3 Rename ConstantSDNode::getValue to getZExtValue, for consistency 
with ConstantInt. This led to fixing a bug in TargetLowering.cpp
using getValue instead of getAPIntValue.

llvm-svn: 56159
 2008-09-12 16:56:44 +00:00
Arnold Schwaighofer
adfb111f10 When tailcallopt is enabled all fastcc calls must have an aligned argument stack size. Add a test case. 
llvm-svn: 56119
 2008-09-11 20:28:43 +00:00
Owen Anderson
743d45821a Fix a bug in ANY_EXTEND handling that was breaking 403.gcc on X86-64 in fast isel. 
llvm-svn: 56117
 2008-09-11 19:44:55 +00:00
Dale Johannesen
10e1cf3df2 The version of AtomicSDNode::AtomicSDNode used (only) for 
cmp-and-swap reversed the Cmp and Swap arguments; comments
make it clear this is unintentional.  Unfortunately, the
x86 BE had a compensating reversal, which is removed here.
PPC is OK.

From inspection of the Alpha code I think it is OK, but
if somebody has that platform please check it out.  I
cannot test on that platform.

llvm-svn: 56091
 2008-09-11 03:12:59 +00:00
Owen Anderson
139baa5f74 If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving up. This fixes 445.gobmk on 
X86-64 in fast isel.

llvm-svn: 56088
 2008-09-11 02:41:37 +00:00
Dan Gohman
9eca554828 X86FastISel support for double->float and float->double casts. 
llvm-svn: 56070
 2008-09-10 21:02:08 +00:00
Dan Gohman
3ccdde5eef Add X86FastISel support for static allocas, and refences 
to static allocas. As part of this change, refactor the
address mode code for laods and stores.

llvm-svn: 56066
 2008-09-10 20:11:02 +00:00
Evan Cheng
83c694fbe7 Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the hidden struct ptr; Re-enable fastcc. 
llvm-svn: 56061
 2008-09-10 18:25:29 +00:00
Dale Johannesen
3e4bbf01d0 Handle new intrinsics with vector arguments. 
Patch by Paul Redmond.

llvm-svn: 56059
 2008-09-10 17:31:40 +00:00
Duncan Sands
6e9362aeaa Fix name. 
llvm-svn: 56055
 2008-09-10 13:22:10 +00:00
Duncan Sands
c3de6e13df Add trampoline support for the new FastCC calling 
convention (not related to recent Ada testsuite
failures).

llvm-svn: 56054
 2008-09-10 13:11:09 +00:00
Duncan Sands
63ef24bfb1 Turn off the new FastCC for the moment. It causes 
a slew of Ada testsuite failures on x86-32 linux.
Seems to be related to the use of float.

llvm-svn: 56053
 2008-09-10 13:09:24 +00:00
Anton Korobeynikov
6ad8b060d0 Make safer variant of alias resolution routine to be default 
llvm-svn: 56005
 2008-09-09 20:05:04 +00:00
Anton Korobeynikov
59a67c60db Replace explicit pointer-size constants to TargetData query. 
No functionality change.

llvm-svn: 55996
 2008-09-09 18:22:57 +00:00
Evan Cheng
dc011a1b10 Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
llvm-svn: 55975
 2008-09-09 01:26:59 +00:00
Dale Johannesen
1ed08a58d1 Fix logic for not emitting no-dead-strip for some 
objects in llvm.used (thanks Anton).  Makes visible
the magic 'l' prefix for symbols on Darwin which are
to be passed through the assembler, then removed at
linktime (previously all references to this had been
hidden in the ObjC FE code, oh well).

llvm-svn: 55973
 2008-09-09 01:21:22 +00:00
Anton Korobeynikov
1d726f1597 Reapply 55901: Drop unused variable 
llvm-svn: 55957
 2008-09-08 21:13:33 +00:00
Anton Korobeynikov
9d896f5566 Reapply 55900: We do support EH on x86-64! 
llvm-svn: 55956
 2008-09-08 21:13:08 +00:00
Anton Korobeynikov
33c69aaf24 Reapply 55899: First draft of EH support on x86/64-linux 
Now with fix, which prevents subtle codegen bug to trigger on darwin.
No fix for bug though, it's still there.

llvm-svn: 55955
 2008-09-08 21:12:47 +00:00