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eb6f2d338a
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19533 Commits

Author SHA1 Message Date
Reid Spencer
eb6f2d338a Fix a typo/thinko. 
llvm-svn: 40599
 2007-07-30 19:53:57 +00:00
Dan Gohman
375d541183 Fix a bug in getCopyFromParts turned up in the testcase for PR1132. 
llvm-svn: 40598
 2007-07-30 19:09:17 +00:00
Owen Anderson
fff534d147 Use more caching when computing non-local dependence. This makes bzip2 not 
use up the entire 32-bit address space.

llvm-svn: 40596
 2007-07-30 17:29:24 +00:00
Owen Anderson
a8d0a6ee40 Fix a bug caused by indiscriminantly asking for the dominators of a predecessor. 
llvm-svn: 40595
 2007-07-30 16:57:08 +00:00
Dan Gohman
32ff2ca8a0 Use tabs more consistently in assembler pseudo-ops. 
llvm-svn: 40594
 2007-07-30 15:08:02 +00:00
Dan Gohman
555f611994 Print a space between the comment character and the basic block name, 
for prettiness.

llvm-svn: 40593
 2007-07-30 15:06:25 +00:00
Dan Gohman
23f9a3ad3b Fix the comment for getClosestTargetForJIT to reflect the fact that 
it does not have a Module parameter.

llvm-svn: 40590
 2007-07-30 14:58:59 +00:00
Dan Gohman
75473b49ea More explicit keywords. 
llvm-svn: 40589
 2007-07-30 14:51:59 +00:00
Dan Gohman
b757cdd2e6 Fix pastos in comments for doFinalization functions. 
llvm-svn: 40588
 2007-07-30 14:51:13 +00:00
Evan Cheng
ff50061170 Vector fneg must be expanded into fsub -0.0, X. 
llvm-svn: 40586
 2007-07-30 07:51:22 +00:00
Christopher Lamb
919ce03da6 Change the x86 backend to use extract_subreg for truncation operations. Passes DejaGnu, SingleSource and MultiSource. 
llvm-svn: 40578
 2007-07-29 01:24:57 +00:00
Christopher Lamb
4120412f3e Add register info needed to use subreg sets on X86. 
llvm-svn: 40572
 2007-07-28 19:03:30 +00:00
Devang Patel
780ecf20d1 Add facility to dump pass manager structure 
to make it easier to understand failure.

llvm-svn: 40567
 2007-07-27 20:06:09 +00:00
Duncan Sands
35a77d857b Trampoline codegen support for X86-32. 
llvm-svn: 40566
 2007-07-27 20:02:49 +00:00
Devang Patel
20ffab9de6 Fix edge cases in handling basic block split. 
llvm-svn: 40564
 2007-07-27 19:13:43 +00:00
Devang Patel
a03e82d7ee Use SmallPtrSet. 
llvm-svn: 40560
 2007-07-27 18:34:27 +00:00
Chuck Rose III
4a3a018844 VStudio compiler errors and placing Function*->ExFunc map under ManagedStatic control. 
This commit fixes two things.  One is a pair of VStudio compiler errors stemming from variables
which defined within the for loop statement and also within the body of the for loop.  I fixed these 
by renaming one of the two variables.  Additionally, I've made the Function*->ExFunc map in 
ExternalFunctions.cpp a ManagedStatic object, so that cleanup will be done on llvm_shutdown.  In repeated
uses of the interpreter, where the same Function* address may get used for completely differnet functions,
this was causing a crash.

llvm-svn: 40558
 2007-07-27 18:26:35 +00:00
Owen Anderson
997b15d967 Allow SmallPtrSet to hold pointers to const data. 
llvm-svn: 40556
 2007-07-27 18:07:02 +00:00
Dan Gohman
0252aa07ee Re-apply 40504, but with a fix for the segfault it caused in oggenc: 
Make the alignedload and alignedstore patterns always require 16-byte
alignment. This way when they are used in the "Fs" instructions, in which
a vector instruction is used for a scalar purpose, they can still require
the full vector alignment. And add a regression test for this.

llvm-svn: 40555
 2007-07-27 17:16:43 +00:00
Duncan Sands
88c9f25dbc It seems logical that InReg should be incompatible 
with StructReturn and ByVal, so make it so.

llvm-svn: 40554
 2007-07-27 16:45:18 +00:00
Duncan Sands
b7b28dc6d0 As the number of parameter attributes increases, 
Verifier::visitFunction is suffering a combinatorial
explosion due to the number of mutually incompatible
attributes.  This patch tidies the whole thing up
using attribute masks.  While there I fixed some
small bugs: (1) the ByVal attribute tests cast a
type to a pointer type, which can fail.  Yes, the
fact it is of a pointer type is checked before,
but a failing check does not cause the program
to exit, it continues on outputting further errors;
(2) Nothing was checking that an sret attribute is
on the first parameter; (3) nothing was checking that
a function for which isStructReturn() is true has a
parameter with the sret attribute and vice-versa (I
don't think it is possible for this to go wrong, but
it seems right to check it).

llvm-svn: 40553
 2007-07-27 15:09:54 +00:00
Duncan Sands
e8bb2c6d32 Support for trampolines, except for X86 codegen which is 
still under discussion.

llvm-svn: 40549
 2007-07-27 12:58:54 +00:00
Christopher Lamb
55a1e36013 Move subreg lowering pass to be right after regalloc, per feedback. 
llvm-svn: 40548
 2007-07-27 07:36:14 +00:00
Evan Cheng
cb8f08ebca Reverting 40504 for now. It's breaking oggenc. 
llvm-svn: 40547
 2007-07-27 01:37:47 +00:00
Devang Patel
4dea53597a Fix thinko. Update return status appropriately. 
llvm-svn: 40546
 2007-07-26 20:21:42 +00:00
Owen Anderson
ed3e63a203 Fix a bug introduced in my last commit. 
llvm-svn: 40542
 2007-07-26 18:57:04 +00:00
Owen Anderson
f2b10d3de3 Fix a couple more bugs in the phi construction by pulling in code that does 
almost the same things from LCSSA.

llvm-svn: 40540
 2007-07-26 18:26:51 +00:00
Evan Cheng
ffa8cbd22b Make sure epilogue esp adjustment is placed before any terminator and pop instructions. 
llvm-svn: 40538
 2007-07-26 17:45:41 +00:00
Evan Cheng
ea037bffd2 Don't pollute the meaning of isUnpredicatedTerminator. 
llvm-svn: 40537
 2007-07-26 17:32:14 +00:00
Evan Cheng
9802b13b38 Minor bug. 
llvm-svn: 40535
 2007-07-26 17:02:45 +00:00
Dan Gohman
249090568d Fix the alias analysis query in DAGCombiner to not add in two 
offsets. The SrcValueOffset values are the real offsets from the
SrcValue base pointers.

llvm-svn: 40534
 2007-07-26 16:14:06 +00:00
Dan Gohman
298f3fd9b7 Move the GET_SIDE_EFFECT_INFO logic from isInstructionTriviallyDead 
to Instruction::mayWriteToMemory, fixing a FIXME, and helping
various places that call mayWriteToMemory directly.

llvm-svn: 40533
 2007-07-26 16:06:08 +00:00
Dan Gohman
fd392a7a51 Remove a bogus return statement, what appears to have been a pasto 
from Relation::contradicts in Relation::incorporate.

llvm-svn: 40531
 2007-07-26 15:29:35 +00:00
Dan Gohman
c63ddf2f57 DummyInst's member functions don't need to be virtual. 
llvm-svn: 40530
 2007-07-26 15:25:08 +00:00
Dan Gohman
d3a062f01b In the .loc directive, print the fields as "debug" fields, so they 
don't get decorated as if for immediate fields for instructions.

llvm-svn: 40529
 2007-07-26 15:24:15 +00:00
Dan Gohman
1bfc3f0d09 Fix a whitespace difference between CMPSSrr and CMPSDrr. 
llvm-svn: 40528
 2007-07-26 15:11:50 +00:00
Christopher Lamb
258dab5389 Add a MachineFunction pass, which runs post register allocation, that turns subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions. 
llvm-svn: 40521
 2007-07-26 08:18:32 +00:00
Christopher Lamb
08bcd5c0f8 Teach DAG scheduling how to properly emit subreg insert/extract machine instructions. PR1350 
llvm-svn: 40520
 2007-07-26 08:12:07 +00:00
Christopher Lamb
9a0d88efde Add target independent MachineInstr's to represent subreg insert/extract in MBB's. PR1350 
llvm-svn: 40518
 2007-07-26 07:48:21 +00:00
Evan Cheng
413d222576 Same goes for constantpool, etc. 
llvm-svn: 40517
 2007-07-26 07:35:15 +00:00
Christopher Lamb
73c3cd47cc Add selection DAG nodes for subreg insert/extract. PR1350 
llvm-svn: 40516
 2007-07-26 07:34:40 +00:00
Christopher Lamb
cb63a77a51 Remove subreg index from MachineInstr's and also keep vregs as unsigned when adding operands. 
llvm-svn: 40514
 2007-07-26 07:00:46 +00:00
Christopher Lamb
b178ecbbc0 Fix infinite recursion for when extract_vector_elt is legal. Unfortunately no public targets use this code-path, so no test. 
llvm-svn: 40510
 2007-07-26 03:33:13 +00:00
Christopher Lamb
f3881994a7 Add support for 3 element 32-bit vector ValueTypes. 
llvm-svn: 40506
 2007-07-26 01:46:52 +00:00
Dan Gohman
513dcba4f8 Remove X86ISD::LOAD_PACK and X86ISD::LOAD_UA and associated code from the 
x86 target, replacing them with the new alignment attributes on memory
references.

llvm-svn: 40504
 2007-07-26 00:31:09 +00:00
Owen Anderson
ed75133924 Fix what is _hopefully_ the last corner case for loops. 
llvm-svn: 40503
 2007-07-25 23:54:42 +00:00
Evan Cheng
9588231d34 Mac OS X x86-64 lower 4G address is not available. 
llvm-svn: 40502
 2007-07-25 23:41:36 +00:00
Evan Cheng
75b396c3c9 Mac OS X should use 0x90 to fill in gaps to satisfy function alignment requirements. 
llvm-svn: 40501
 2007-07-25 23:36:05 +00:00
Evan Cheng
4b747bb6a0 EmitAlignment() also emits optional fill value. 
llvm-svn: 40500
 2007-07-25 23:35:07 +00:00
Evan Cheng
f34a0509c2 Functions with LinkOnce and weak linkage still need to be aligned. Doh. 
llvm-svn: 40499
 2007-07-25 22:28:16 +00:00