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Author SHA1 Message Date
Evan Cheng
8c86db58c8 Clarify what -tailcallopt option actually do. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 00:10:09 +00:00
Jim Grosbach
c90a153ad0 Adjust setjmp instruction sequence to not need 32-bit alignment padding 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 00:07:20 +00:00
Evan Cheng
0c439eb2c8 Eliminate target hook IsEligibleForTailCallOptimization. 
Target independent isel should always pass along the "tail call" property. Change
target hook LowerCall's parameter "isTailCall" into a refernce. If the target
decides it's impossible to honor the tail call request, it should set isTailCall
to false to make target independent isel happy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 00:07:07 +00:00
Evan Cheng
381993f1f2 Restore to pre-94570 state. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94625 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-27 00:00:57 +00:00
Chris Lattner
9bc20ab519 mcize label emission for functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94624 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:53:39 +00:00
Chris Lattner
111a3193b5 use EmitLinkage for functions as well as globals. One output 
change is that we now use ".linkonce discard" for global variables
instead of ".linkonce samesize".  These should be the same, just less
strict.  If anyone is interested in mcizing MCSection for COFF targets,
this should be easy to fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:51:52 +00:00
Chris Lattner
a3e8883d71 pull linkage emission code out to a new EmitLinkage function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:47:12 +00:00
Chris Lattner
b406a8141d rearrange some directives, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:41:48 +00:00
Jeffrey Yasskin
9815582fad Roll r94484 (avoiding RTTI problems in tests) forward again in a way that isn't 
broken by setting CXXFLAGS on the command line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94619 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:30:46 +00:00
Victor Hernandez
0c81e34a54 Avoid extra calls to MD->getNumOperands() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94618 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:29:09 +00:00
Evan Cheng
bbba00c8fa Ignore 'forced' tailcall opt in fastisel mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94617 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:28:40 +00:00
Chris Lattner
5c8697488a remove a noop function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:26:29 +00:00
Jakob Stoklund Olesen
43cda021d9 Fix inline cost predictions with SCIENCE. 
After running a batch of measurements, it is clear that the inliner metrics
need some adjustments:

Own argument bonus:       20 -> 5
Outgoing argument penalty: 0 -> 5
Alloca bonus:             10 -> 5
Constant instr bonus:      7 -> 5
Dead successor bonus:     40 -> 5*(avg instrs/block)

The new cost metrics are generaly 25 points higher than before, so we may need
to move thresholds.

With this change, InlineConstants::CallPenalty becomes a political correction:

if (!isa<IntrinsicInst>(II) && !callIsSmall(CS.getCalledFunction()))
  NumInsts += InlineConstants::CallPenalty + CS.arg_size();

The code size is accurately modelled by CS.arg_size(). CallPenalty is added
because calls tend to take a long time, so it may not be worth it to inline a
function with lots of calls.

All of the political corrections are in the InlineConstants namespace:
IndirectCallBonus, CallPenalty, LastCallToStaticBonus, ColdccPenalty,
NoreturnPenalty.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:21:56 +00:00
Chris Lattner
b11caedd6f now that enough stuff is constified, move function header printing 
logic up from X86 into the common code.  The other targets will 
hopefully start using this soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:18:44 +00:00
Chris Lattner
eec791afb1 constify a bunch of dwarf stuff now that the registerinfo method 
is constified.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:18:02 +00:00
Chris Lattner
30c6b75ac2 constify a method argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:15:09 +00:00
Evan Cheng
11e679324b Allow some automatic tailcall optimization without changing ABI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:13:04 +00:00
Evan Cheng
1613f40bab Delete blank lines that bug me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 23:07:57 +00:00
Chris Lattner
844be89d2d call emitconstantpool and emitjumptable like other targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 22:06:58 +00:00
Devang Patel
330186e547 Before existing NamedMDNode entry in the symbol table, remove any existing entry with the same name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 22:03:41 +00:00
Chris Lattner
c618c8aff4 emit jump table an alias ".set" directives through MCStreamer as 
assignments.

.set x, a-b

is the same as:

x = a-b



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:53:08 +00:00
Chris Lattner
0b68a009f6 fix CastInst::castIsValid to reject aggregate types, fixing PR6153: 
llvm-as: t.ll:1:25: error: invalid cast opcode for cast from '[4 x i8]' to '[1 x i32]'
@x = constant [1 x i32] bitcast ([4 x i8] c"abcd" to [1 x i32])
                        ^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:51:43 +00:00
Devang Patel
976ac628f4 Remve unnecessary include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94594 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:42:58 +00:00
Devang Patel
3139fcf9ed Use AssertingVH, just to be paranoid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94593 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:39:14 +00:00
Jakob Stoklund Olesen
026ac3ada5 Revert test polarity to match comment and desired outcome. Remove undeserved bonus. 
A GEP with all constant indices is already considered free by
analyzeBasicBlock(), so don't give it an extra bonus in
CountCodeReductionForAlloca().

This patch should remove a small positive bias toward inlining functions with
variable-index GEPs, and remove a smaller negative bias from functions with
all-constant index GEPs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:31:35 +00:00
Jakob Stoklund Olesen
2cd455f363 Remove dead code. 
Functions containing indirectbr are marked NeverInline by analyzeBasicBlock(),
so there is no point in giving indirectbr special treatment in
CountCodeReductionForConstant. It is never called.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94590 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:31:30 +00:00
Jakob Stoklund Olesen
e3039b6712 Skip calculation of ArgumentWeights if it will never be used. 
Save a few bytes by allocating the correct size vector.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94589 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:31:24 +00:00
Devang Patel
b554499871 Emit DW_AT_containing_type attribute for a class if containing type is known. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94587 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:16:06 +00:00
Devang Patel
0fd7f9d7ff Add extra element to composite type. This new element will be used to record c++ class that holds current class's vtable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:14:59 +00:00
Chris Lattner
cee63322ea Eliminate SetDirective, and replace it with HasSetDirective. 
Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:40:54 +00:00
Evan Cheng
2a531673b9 Delete dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:36:21 +00:00
Rafael Espindola
2e2563bf8e Emit .comm alignment in bytes but .align in powers of 2 for ARM ELF. 
Original patch by Sandeep Patel and updated by me.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:21:43 +00:00
Chris Lattner
6a315c358c eliminate MCAsmInfo::NeedsSet: we now just use .set on any platform 
that has it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:20:43 +00:00
Chris Lattner
b3732fbabd don't set to the default value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 20:17:34 +00:00
Junjie Gu
99f4bac679 test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 19:45:17 +00:00
Dan Gohman
8a977e2edd -disable-output is no longer needed with -analyze. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 19:25:59 +00:00
Dan Gohman
c9c36cb3d9 Make the unsigned-range code more consistent with the signed-range code, 
and clean up some loose ends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 19:19:05 +00:00
Evan Cheng
ddc419c581 Code refactoring, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 19:04:47 +00:00
Bob Wilson
8dd0ab074a Revert 94484. Re-disable unittests that need RTTI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94569 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 19:04:37 +00:00
Victor Hernandez
d044612489 Switch AllocaDbgDeclares to SmallVector and don't leak DIFactory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94567 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 18:57:53 +00:00
Dan Gohman
155eec7fa9 Fix a typo in a comment that Duncan noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 18:32:54 +00:00
Dan Gohman
ea32d8f465 Remove SIL, DIL, and BPL from the GR8_NOREX allocation order also. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 18:30:24 +00:00
Dan Gohman
369d4b4c2e SIL, DIL, BPL, and SPL require a REX prefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 18:14:22 +00:00
Dan Gohman
93dacadb46 Rename ItCount to BECount, since it holds a backedge-taken count rather 
than an iteration count.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94549 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 16:46:18 +00:00
Dan Gohman
f21107c07a Fix ICmpInst::makeConstantRange to use ConstantRange's API properly 
in the case of empty and full ranges.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 16:04:20 +00:00
Dan Gohman
8dcc58e6b4 Fix a typo that several people pointed out. Also, address the case of 
wrapping that Duncan pointed out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 15:56:18 +00:00
Mikhail Glushenkov
058b3f5114 Support -arch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 14:55:44 +00:00
Mikhail Glushenkov
967edd0102 Support for -iquote. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 14:55:30 +00:00
Mikhail Glushenkov
21e099a779 Better error message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 14:55:16 +00:00
Mikhail Glushenkov
ae779383be Escape double quotes in 'help'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 14:55:04 +00:00