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Author SHA1 Message Date
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
Chris Lattner
b46ad5bbba teach EscapeString and UnescapeString to handle ". 
llvm-svn: 69211
 2009-04-15 20:12:52 +00:00
Devang Patel
21463f4a25 Add DISubprogram is not null check. 
This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case.

llvm-svn: 69210
 2009-04-15 20:11:08 +00:00
Dan Gohman
5555c4538b Generalize one of the SelectionDAG::ReplaceAllUsesWith overloads 
to support replacing a node with another that has a superset of
the result types. Use this instead of calling
ReplaceAllUsesOfValueWith for each value.

llvm-svn: 69209
 2009-04-15 20:06:30 +00:00
Chris Lattner
049e984de6 rename -gen-clang-diags-options -> -gen-clang-diag-groups 
llvm-svn: 69208
 2009-04-15 20:02:32 +00:00
Chris Lattner
01ad312099 move clang-specific makefile goop to clang makefile. 
llvm-svn: 69206
 2009-04-15 19:57:42 +00:00
Dan Gohman
38bc0faa22 Fix 80-column violations. 
llvm-svn: 69204
 2009-04-15 19:48:57 +00:00
Dan Gohman
a2ec3156eb Add a folding table entry for MOV8rr_NOREX. 
llvm-svn: 69203
 2009-04-15 19:48:28 +00:00
Devang Patel
d9d88a827d Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine. 
llvm-svn: 69202
 2009-04-15 19:42:57 +00:00
Dan Gohman
420019a18a Fix MachineInstr::getNumExplicitOperands to count 
variadic operands correctly. Patch by Jakob Stoklund Olesen!

llvm-svn: 69190
 2009-04-15 17:59:11 +00:00
Chris Lattner
c4bf4ef9cc don't infer diag class from parenting relations, make it an explicit field 
in the record.

llvm-svn: 69176
 2009-04-15 16:55:46 +00:00
Chris Lattner
9e2f6e304c include the default mapping in the clang diagnostic .inc files. 
llvm-svn: 69173
 2009-04-15 16:43:18 +00:00
Chris Lattner
03d5a78eca minor cleanups 
llvm-svn: 69152
 2009-04-15 06:26:49 +00:00
Nick Lewycky
e9597399f0 Limit the number of times we're willing to chase pointers. Removes an O(n^2) 
problem from instcombine.

llvm-svn: 69151
 2009-04-15 06:23:41 +00:00
Douglas Gregor
8965c485d7 Allow jumping to the end of a bitstream while reading 
llvm-svn: 69145
 2009-04-15 04:53:47 +00:00
Bill Wendling
4153589196 Check for alignment. 
llvm-svn: 69140
 2009-04-15 04:51:05 +00:00