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Author SHA1 Message Date
Bob Wilson
312344e025 Move the AddLiveIn function definition closer to its uses. 
llvm-svn: 69382
 2009-04-17 20:42:34 +00:00
Bob Wilson
b2ccd16655 Rearrange code to reduce indentation. 
llvm-svn: 69381
 2009-04-17 20:40:45 +00:00
Bob Wilson
b3e4773035 Rename file to have the correct suffix. 
llvm-svn: 69380
 2009-04-17 20:40:20 +00:00
Bob Wilson
911e92c7a3 Clean up formatting, remove trailing whitespace, fix comment typos and 
punctuation.  No functional changes.

llvm-svn: 69378
 2009-04-17 20:35:10 +00:00
Dan Gohman
238dffed25 Delete an unused field. 
llvm-svn: 69375
 2009-04-17 20:03:31 +00:00
Bob Wilson
b8756b00cd Use CallConvLower.h and TableGen descriptions of the calling conventions 
for ARM.  Patch by Sandeep Patel.

llvm-svn: 69371
 2009-04-17 19:07:39 +00:00
Jim Grosbach
0603bca31b Update information on canadian cross builds 
llvm-svn: 69358
 2009-04-17 17:25:16 +00:00
David Greene
d9756224ce Use a safer iterator interface and get rid of std C++ library misuse. 
This fixes a --enable-expensive-checks problem.

llvm-svn: 69353
 2009-04-17 14:56:18 +00:00
David Greene
1e55a433c1 Regenerate configure. 
llvm-svn: 69352
 2009-04-17 14:50:39 +00:00
David Greene
ccb1d82cd7 Add a --enable-profiling option to configure to build Debug+Profile and 
Opt+Profile tools.  Now we can profile any kind of flavor we build.

llvm-svn: 69351
 2009-04-17 14:49:22 +00:00
Rafael Espindola
d74132e2c5 For general dynamic TLS access we must use 
leaq	foo@TLSGD(%rip), %rdi

as part of the instruction sequence. Using a register other than %rdi and then
copying it to %rdi is not valid.

llvm-svn: 69350
 2009-04-17 14:35:58 +00:00
Bill Wendling
073e1c91dd Revert r69335 and r69336. They were causing build failures. 
llvm-svn: 69347
 2009-04-17 04:19:22 +00:00
Dan Gohman
61dc247292 Don't create ConstantInts with pointer type. This fixes a 
regression in 403.gcc in PIC_CODEGEN=1 and DISABLE_LTO=1
mode.

llvm-svn: 69344
 2009-04-17 02:02:52 +00:00
Evan Cheng
2d5be54315 Teach spiller to unfold instructions which modref spill slot when a scratch 
register is available and when it's profitable.

e.g.
     xorq  %r12<kill>, %r13
     addq  %rax, -184(%rbp)
     addq  %r13, -184(%rbp)
==>
     xorq  %r12<kill>, %r13
     movq  -184(%rbp), %r12
     addq  %rax, %r12
     addq  %r13, %r12
     movq  %r12, -184(%rbp)

Two more instructions, but fewer memory accesses. It can also open up
opportunities for more optimizations.

llvm-svn: 69341
 2009-04-17 01:29:40 +00:00
Dan Gohman
d254f36e54 MOV8rr_NOREX is a "Move" instruction. This doesn't currently 
matter, because this instruction isn't generated until after
things that care.

llvm-svn: 69336
 2009-04-17 00:45:17 +00:00
Dan Gohman
2349973ff3 Don't use MOV8rr_NOREX on x86-32. It doesn't actually hurt anything at 
present, but it's inconsistent.

llvm-svn: 69335
 2009-04-17 00:43:09 +00:00
Chris Lattner
d12470d85e Fix some failures in targets on available_externally functions, 
this fixes a crash on CodeGen/Generic/externally_available.ll
on ppc hosts.  Thanks to Nicholas L for pointing this out.

llvm-svn: 69333
 2009-04-17 00:26:12 +00:00
Dan Gohman
0b7e08929a Use TargetData::getTypeSizeInBits instead of getPrimitiveSizeInBits() 
to get the correct answer for pointer types.

llvm-svn: 69321
 2009-04-16 22:35:57 +00:00
Bob Wilson
0e0d313fc0 Fix PR3994: LLVMMatchType arguments do not refer to absolute return value 
and argument positions but only to the overloaded intrinsic parameters.
Keep a separate list of these overloaded parameters in CodeGenTarget.cpp
so they can be resolved easily.  Remove assertions from IntrinsicEmitter.cpp:
they were harmless but confusing, and the assertions elsewhere in TableGen
will catch any incorrect values.

llvm-svn: 69316
 2009-04-16 21:51:05 +00:00
Chris Lattner
1f5c81d50f make sure to unlock keymgr if the JIT is created and destroyed, all 
locks must be matched with unlocks.  Also, use calloc to allocate the
block so that it is properly zero'd.  Thanks to Nick Kledzik for
tracking this down.

llvm-svn: 69314
 2009-04-16 21:47:59 +00:00
Bob Wilson
76f07543d9 Add a comment to describe LLVMMatchType. 
llvm-svn: 69313
 2009-04-16 21:46:42 +00:00
Eli Friedman
13e59b3c41 Fix for PR3944: make mem2reg O(N) instead of O(N^2) in the number of 
incoming edges for a block with many predecessors.

llvm-svn: 69312
 2009-04-16 21:40:28 +00:00
Dan Gohman
fa5d93b54c Handle a pointer type correctly in SCEVExpander::visitAddRecExpr. 
llvm-svn: 69310
 2009-04-16 21:34:54 +00:00
Dan Gohman
397a4671f0 In the list-burr's pseudo two-addr dependency heuristics, don't 
add dependencies on nodes with exactly one successor which is a
COPY_TO_REGCLASS node. In the case that the copy is coalesced
away, the dependence should be on the user of the copy, rather
than the copy itself.

llvm-svn: 69309
 2009-04-16 20:59:02 +00:00
Dan Gohman
2165510df6 Handle SUBREG_TO_REG instructions with the same heuristics 
as INSERT_SUBREG instructions in the list-burr scheduler.

llvm-svn: 69308
 2009-04-16 20:57:10 +00:00
Dan Gohman
99b21e5635 Fix a bug with inttoptr/ptrtoint casts where the pointer has a different 
size from the integer, requiring zero extension or truncation. Don't
create ZExtInsts with pointer types. This fixes a regression in
consumer-jpeg.

llvm-svn: 69307
 2009-04-16 19:25:55 +00:00
Devang Patel
d324ddbd7b Do not treat beginning of inlined scope as beginning of normal function scope if the location info is missing. 
Insetad of doing ...
if (inlined_subroutine && known_location)
  DW_TAG_inline_subroutine
else
  DW_TAG_subprogram

do

if (inlined_subroutine) {
 if (known_location)
   DW_TAG_inline_subroutine
} else {
 DW_TAG_subprogram
}

llvm-svn: 69300
 2009-04-16 17:55:30 +00:00
Dan Gohman
f2bec6720f Minor code simplifications. Don't attempt LSR on theoretical 
targets with pointers larger than 64 bits, due to the code not
yet being APInt clean.

llvm-svn: 69296
 2009-04-16 16:49:48 +00:00
Dan Gohman
67ad4ee457 LSR is no longer a GEP optimizer. It is now an IV expression 
optimizer, which just happen to frequently involve optimizing GEPs.

llvm-svn: 69295
 2009-04-16 16:46:01 +00:00
Dan Gohman
f7f9a14400 Fix SCEVExpander::visitSMaxExpr and SCEVExpander::visitUMaxExpr to 
not create ICmpInsts with operands of different types. This fixes
a regression in Applications/d/make_dparser.

llvm-svn: 69294
 2009-04-16 16:15:25 +00:00
Dan Gohman
1482541677 Teach SCEVExpander::InsertCastOfTo to avoid creating inttoptr-of-ptrtoint 
and ptrtoint-of-inttoptr expressions. This fixes a regression in 300.twolf.

llvm-svn: 69293
 2009-04-16 15:52:57 +00:00
Dan Gohman
b40c343360 Use ConstantExpr::getIntToPtr instead of SCEVExpander::InsertCastOfTo, 
since the operand is always a constant.

llvm-svn: 69291
 2009-04-16 15:48:38 +00:00
Dan Gohman
862f4743b8 Use a SCEV expression cast instead of immediately inserting a 
new instruction with SCEVExpander::InsertCastOfTo.

llvm-svn: 69290
 2009-04-16 15:47:35 +00:00
Devang Patel
6052d698f5 Record line number at the beginning of a func.start. 
This line was accidently lost yesterday.

llvm-svn: 69286
 2009-04-16 15:07:09 +00:00
Rafael Espindola
a07d1c3103 fix PR3995. A scale must be 1, 2, 4 or 8. 
llvm-svn: 69284
 2009-04-16 12:34:53 +00:00
Chris Lattner
1a7c8feff3 prove diagnostic -> group mapping information. 
llvm-svn: 69270
 2009-04-16 05:52:18 +00:00
Dan Gohman
98aa1d9693 Expand GEPs in ScalarEvolution expressions. SCEV expressions can now 
have pointer types, though in contrast to C pointer types, SCEV
addition is never implicitly scaled. This not only eliminates the
need for special code like IndVars' EliminatePointerRecurrence
and LSR's own GEP expansion code, it also does a better job because
it lets the normal optimizations handle pointer expressions just
like integer expressions.

Also, since LLVM IR GEPs can't directly index into multi-dimensional
VLAs, moving the GEP analysis out of client code and into the SCEV
framework makes it easier for clients to handle multi-dimensional
VLAs the same way as other arrays.

Some existing regression tests show improved optimization.
test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to
the point where if-conversion started kicking in; I turned it off
for this test to preserve the intent of the test.

llvm-svn: 69258
 2009-04-16 03:18:22 +00:00
Chris Lattner
3984f99025 encode subgroups into the clang .inc file. -Wall now works! 
llvm-svn: 69257
 2009-04-16 03:16:12 +00:00
Devang Patel
87488c2a88 In -fast mode do what FastISel does. 
This code could use some refactoring help!

llvm-svn: 69254
 2009-04-16 02:33:41 +00:00
Devang Patel
d9a9d5bdbb If FastISel is run and it has known DebugLoc then use it. 
llvm-svn: 69253
 2009-04-16 01:33:10 +00:00
Devang Patel
c6c6759194 If location where the function was inlined is not know then do not emit debug info describing inlinied region. 
llvm-svn: 69252
 2009-04-16 01:31:54 +00:00
Chris Lattner
1d21ddd345 start producing subgroup info. 
llvm-svn: 69249
 2009-04-16 00:53:25 +00:00
Dale Johannesen
040d118b17 Another testcase for IV shortening. 
llvm-svn: 69247
 2009-04-16 00:45:21 +00:00
Dale Johannesen
ab8b46beca Eliminate zext over (iv | const) or (signed iv), 
and sext over (iv | const), if a longer iv is
available.  Allow expressions to have more than
one zext/sext parent.  All from OpenSSL.

llvm-svn: 69241
 2009-04-15 23:31:51 +00:00
Chris Lattner
48fcc3fe58 make sure that empty diag groups get known by clang. 
llvm-svn: 69235
 2009-04-15 22:33:02 +00:00
Chris Lattner
265ef76440 implement support for writing out diagnostic group tables. 
llvm-svn: 69219
 2009-04-15 20:55:08 +00:00
Devang Patel
4a18de4193 s/RootDbgScope/FunctionDbgScope/g 
llvm-svn: 69216
 2009-04-15 20:41:31 +00:00
Dale Johannesen
98c9716c34 Eliminate zext over (iv & const) or ((iv+const)&const) 
if a longer iv is available.  These subscript forms are
not common; they're a bottleneck in OpenSSL.

llvm-svn: 69215
 2009-04-15 20:41:02 +00:00
Chris Lattner
1a1ffcb4a4 use UppercaseString instead of EmitAllCaps 
llvm-svn: 69213
 2009-04-15 20:16:12 +00:00
Chris Lattner
3ab2b0ca2b use escape string. 
llvm-svn: 69212
 2009-04-15 20:13:18 +00:00