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23212 Commits

Author SHA1 Message Date
Nick Lewycky
02d639fcc0 Revert X + X --> X * 2 optz'n which pessimizes heavily on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51474 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 04:34:58 +00:00
Chris Lattner
3adaa93700 we compile multiply-by-constant into horrible code. Doesn't sse4 have some 
instruction for doing this?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51473 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 04:29:53 +00:00
Nick Lewycky
8539fe26b7 Implement X + X for vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51472 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 04:14:51 +00:00
Nick Lewycky
39ac3b57bc Fix a recently added optimization to not crash on vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 03:26:47 +00:00
Dan Gohman
a332f17c8c Generalize the new code in instcombine's ComputeNumSignBits for handling 
and/or to handle more cases (such as this add-sitofp.ll testcase), and
port it to selectiondag's ComputeNumSignBits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51469 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 02:28:01 +00:00
Dan Gohman
e4977cf750 Make structs and arrays first-class types, and add assembly 
and bitcode support for the extractvalue and insertvalue
instructions and constant expressions.

Note that this does not yet include CodeGen support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51468 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 01:55:30 +00:00
Dan Gohman
8f8e269270 Use isSingleValueType instead of isFirstClassType to 
exclude struct and array types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51467 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 01:52:21 +00:00
Bill Wendling
f3061f8210 Remove warnings about comparison between signed and unsigned expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 01:29:08 +00:00
Dale Johannesen
9bca583f9d Allow for switch with no cases. Was causing fault 
in gcc.dg/pr27531-1.c.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 01:01:31 +00:00
Evan Cheng
b1938263c7 Bug: rcpps can only folds a load if the address is 16-byte aligned. Fixed many 'ps' load folding patterns in X86InstrSSE.td which are missing the proper alignment checks. 
Also fixed some 80 col. violations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:37:07 +00:00
Dan Gohman
e4569943d9 Add more IR support for the new extractvalue and insertvalue 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:36:11 +00:00
Dan Gohman
4fa2a3f0ef Use isSingleValueType instead of isFirstClassType to 
exclude struct and array types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:34:04 +00:00
Dan Gohman
399101a599 Use isSingleValueType instead of isFirstClassType to 
exclude struct and array types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51459 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:17:26 +00:00
Dale Johannesen
bbcb34cafb Put const weak stuff in appropriate section on Darwin. 
g++.dg/abi/key2.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:16:59 +00:00
Dan Gohman
31e5bdccf2 Use isSingleValueType instead of isFirstClassType to 
exclude struct and array types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51456 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:12:03 +00:00
Evan Cheng
5bbaf01b84 X86CodeEmitter should not set PIC style to None at initialization time. This will break codegen if relocation model is changed to PIC_ later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51455 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 23:55:24 +00:00
Dan Gohman
b64aa119d8 Use isSingleValueType instead of isFirstClassType to 
exclude struct and array types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51452 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 23:43:22 +00:00
Dan Gohman
fdfef0da6b Recognize the "default" keyword, which is documented in LangRef.html 
and supported in the grammar, in the lexer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51448 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 22:30:09 +00:00
David Greene
abe93d95e8 When rewriting defs and uses after spilling, don't set the weight of a 
live interval to infinity if the instruction being rewritten is an
original remat def instruction.  We were only checking against the clone
of the remat def which doesn't actually appear in the IR at all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51440 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 21:16:33 +00:00
David Greene
cff860801e Don't attempt to update SpillSlotToUsesMap for stack slots that aren't 
generated by the spiller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51439 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 21:12:21 +00:00
Gabor Greif
785c6af979 transform more loops to iterator form, detabify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51436 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 19:24:54 +00:00
Evan Cheng
c36c0ab44b Add missing patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 18:56:56 +00:00
Gabor Greif
de2d74b213 Rewrite operand loops to use iterators. This shrinks .o file (at gcc4.0.1 -O3 x86) substantially (>500 bytes). Reason still unknown. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51423 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 06:43:33 +00:00
Chris Lattner
687a4cb295 fix an off-by-one error in my previous patch, don't treat the callee as a incoming arg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51422 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 06:29:38 +00:00
Chris Lattner
f6a048c3a8 Add support for multiple-return values in inline asm. This should 
get inline asm working as well as it did previously with the CBE
with the new MRV support for inline asm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51420 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 06:19:37 +00:00
Chris Lattner
ea21ad4926 Fix PR2267, by allowing indirect outputs to be intermixed 
with normal outputs.  Testcase here: 
test/CodeGen/X86/asm-indirect-mem.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51409 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 04:46:38 +00:00
Chris Lattner
05a24e5efe Free and vaarg are not really volatile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51407 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 03:23:06 +00:00
Chris Lattner
19d9d4364e rewrite the validity checking for memory promotion to be simpler, 
more aggressive, and more correct.  Verify that we only attempt to
promote loads and stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51406 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 03:22:42 +00:00
Chris Lattner
29d929363d Use 'continue' to reduce nesting in this loop. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51399 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 00:53:38 +00:00
Evan Cheng
f4ea510371 Fix PR2343. An *interesting* coalescer bug. 
BB1:                                                                                                                                                  
  vr1025 = copy vr1024                                                                                                                                
  ..                                                                                                                                                  
BB2:                                                                                                                                                  
  vr1024 = op                                                                                                                                         
         = op vr1025                                                                                                                                     
  <loop eventually branch back to BB1>

Even though vr1025 is copied from vr1024, it's not safe to coalesced them since live range of vr1025 intersects the def of vr1024. This happens when vr1025 is assigned the value of the previous iteration of vr1024 in the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51394 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 22:34:12 +00:00
Bill Wendling
40db5d4539 Follow-up to the reverting of r51218. This puts the checks out-of-line. Because 
they aren't in the header file, systems with a <string> header file that isn't
64-bit clean shouldn't warn if #including Path.h and specifying
-Wshorten-64-to-32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51393 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 21:20:07 +00:00
Nate Begeman
f049e07eb8 Fix a couple issues with the JIT and multiple modules: 
1. The "JITState" object creates a PassManager with the ModuleProvider that the
   jit is created with.  If the ModuleProvider is removed and deleted, the
   PassManager is invalid.

2. The Global maps in the JIT were not invalidated with a ModuleProvider was 
   removed.  This could lead to a case where the Module would be freed, and a 
   new Module with Globals at the same addresses could return invalid results.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51384 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 16:34:48 +00:00
Gabor Greif
33e456d5f3 suppress gcc3.4.6's <no value returned> warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51372 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 14:07:30 +00:00
Dan Gohman
010ee2d955 When LSR is replacing an instruction, call 
ScalarEvolution::deleteValueFromRecords on it before doing the
replaceAllUsesWith, because ScalarEvolution looks at the instruction's
users to find SCEV references to the instruction's SCEV object in its
internal maps.

Move all of LSR's loop-related state clearing after processing the loop
and before cleaning up dead PHI nodes. This eliminates all of LSR's SCEV
references just before the calls to ScalarEvolution::deleteValueFromRecords
so that when ScalarEvolution drops its own SCEV references, the reference
counts will reach zero and the SCEVs will be deleted immediately.

These changes fix some compiler aborts involving ScalarEvolution holding
onto and reusing SCEV objects for instructions that have been deleted.
No regression test unfortunately; because the symptoms were due to
dangling pointers, reduced testcases ended up being fairly arbitrary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 00:54:12 +00:00
Chris Lattner
eb0fdc150a Fix PR2346 by marking vaarg as volatile so that licm doesn't try to 
hoist them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51356 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 22:05:28 +00:00
Dan Gohman
f35c8822a3 Port SelectionDAG's ComputeNumSignBits-using code to instcombine, 
now that instcombine also has ComputeNumSignBits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51350 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 21:01:12 +00:00
Dan Gohman
c84941be0a Port the fix for the select operator from instcombine's 
ComputeNumSignBits to SelectionDAG's ComputeNumSignBits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51348 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 20:59:51 +00:00
Dan Gohman
1fdfa6aabf Code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51345 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 20:56:33 +00:00
Evan Cheng
8e8de684c7 movsd and movq do not require 16-byte alignment. This fixes vec_set-5.ll on Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51327 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 18:24:47 +00:00
Evan Cheng
7a0f1851ec More local spiller complexity! 
If local spiller optimization turns some instruction into an identity copy, it will be removed. If the output register happens to be dead (and source is obviously killed), transfer the kill / dead information to last use / def in the same MBB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51306 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:13:21 +00:00
Evan Cheng
b0a6f62c9b Don't spill dead def. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:10:37 +00:00
Matthijs Kooijman
6e7b322d36 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51303 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 07:26:45 +00:00
Chris Lattner
3d28b1b35b Teach instcombine 4 new xforms: 
(add (sext x), cst) --> (sext (add x, cst'))
  (add (sext x), (sext y)) --> (sext (add int x, y))
  (add double (sitofp x), fpcst) --> (sitofp (add int x, intcst))
  (add double (sitofp x), (sitofp y)) --> (sitofp (add int x, y))

This generally reduces conversions.  For example MiBench/telecomm-gsm
gets these simplifications:

HACK2: 	%tmp67.i142.i.i = sext i16 %tmp6.i141.i.i to i32		; <i32> [#uses=1]
	%tmp23.i139.i.i = sext i16 %tmp2.i138.i.i to i32		; <i32> [#uses=1]
	%tmp8.i143.i.i = add i32 %tmp67.i142.i.i, %tmp23.i139.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i121.i.i = sext i16 %tmp6.i120.i.i to i32		; <i32> [#uses=1]
	%tmp23.i118.i.i = sext i16 %tmp2.i117.i.i to i32		; <i32> [#uses=1]
	%tmp8.i122.i.i = add i32 %tmp67.i121.i.i, %tmp23.i118.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i.i190.i = sext i16 %tmp6.i.i189.i to i32		; <i32> [#uses=1]
	%tmp23.i.i187.i = sext i16 %tmp2.i.i186.i to i32		; <i32> [#uses=1]
	%tmp8.i.i191.i = add i32 %tmp67.i.i190.i, %tmp23.i.i187.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i173.i.i.i = sext i16 %tmp6.i172.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i170.i.i.i = sext i16 %tmp2.i169.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i174.i.i.i = add i32 %tmp67.i173.i.i.i, %tmp23.i170.i.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i152.i.i.i = sext i16 %tmp6.i151.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i149.i.i.i = sext i16 %tmp2.i148.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i153.i.i.i = add i32 %tmp67.i152.i.i.i, %tmp23.i149.i.i.i		; <i32> [#uses=3]
HACK2: 	%tmp67.i.i.i.i = sext i16 %tmp6.i.i.i.i to i32		; <i32> [#uses=1]
	%tmp23.i.i5.i.i = sext i16 %tmp2.i.i.i.i to i32		; <i32> [#uses=1]
	%tmp8.i.i7.i.i = add i32 %tmp67.i.i.i.i, %tmp23.i.i5.i.i		; <i32> [#uses=3]


This also fixes a bug in ComputeNumSignBits handling select and
makes it more aggressive with and/or.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51302 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 05:46:13 +00:00
Chris Lattner
851627892d fix two issues Neil noticed, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:50:52 +00:00
Chris Lattner
28a8dbc35f Add a bool to isEdgeFeasible that tells it whether to treat unknown 
value as undef or untracked.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51295 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:39:39 +00:00
Dan Gohman
638e378f2c Fix ExecutionEngine's constant code to work properly when structs and arrays 
will become first-class types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51293 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:20:09 +00:00
Dan Gohman
ca756ae886 Refine the fix in r51169 to only apply when the operand val being 
replaced is a PHI. This prevents it from inserting uses before defs
in the case that it isn't a PHI and it depends on other instructions
later in the block. This fixes the 447.dealII regression on x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51292 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 03:01:48 +00:00
Evan Cheng
a125e62117 runOnMachineFunction should set IsPIC because relocation model may have been changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 01:56:59 +00:00
Dan Gohman
76d402beb9 Make AssociativeOpt static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51290 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 01:14:05 +00:00
Devang Patel
52abbf5d8a Do not erase induction variable increment if it is used outside the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 22:23:55 +00:00
Dan Gohman
45b4e48b18 Add a ComputeNumSignBits function for use by instcombine, based on the 
code in SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 22:14:15 +00:00
Dale Johannesen
c215b3ef5d Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:38:18 +00:00
Chris Lattner
7be1c454c9 switch to Type::getFPMantissaWidth instead of reinventing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51275 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:17:23 +00:00
Chris Lattner
0a2d74bd53 minor cleanups, teach instcombine that sitofp/uitofp cannot 
produce a negative zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51272 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:27:56 +00:00
Chris Lattner
0c7a9a04e7 convert fptosi(sitofp x) -> x if the fp value has enough bits in its mantissa 
to accurately represent the integer.  This triggers 9 times in 471.omnetpp,
though 8 of those seem to be inlined from the same place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51271 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:25:04 +00:00
Chris Lattner
a540623ab1 Fold FP comparisons where one operand is converted from an integer 
type and the other operand is a constant into integer comparisons.
This happens surprisingly frequently (e.g. 10 times in 471.omnetpp),
which are things like this:

	%tmp8283 = sitofp i32 %tmp82 to double	
	%tmp1013 = fcmp ult double %tmp8283, 0.0

Clearly comparing tmp82 against i32 0 is cheaper here.

this also triggers 8 times in gobmk, including this one:

	%tmp375376 = sitofp i32 %tmp375 to double
	%tmp377 = fcmp ogt double %tmp375376, 8.150000e+01

which is comparing an integer against 81.5 :).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51268 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:18:56 +00:00
Chris Lattner
9d60ba9d28 remove debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51264 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:03:53 +00:00
Chris Lattner
5e0d71877c be more aggressive about transforming add -> or when the operands have no 
intersecting bits.  This triggers all over the place, for example in lencode,
with adds of stuff like:

	%tmp580 = mul i32 %tmp579, 2	
	%tmp582 = and i32 %b8, 1
and

	%tmp28 = shl i32 %abs.i, 1		
	%sign.0 = select i1 %tmp23, i32 1, i32 0
and
	%tmp344 = shl i32 %tmp343, 2	
	%tmp346 = and i32 %tmp96, 3

etc.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51263 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:01:56 +00:00
Duncan Sands
ec00fcb33d Fix PR2341 - when the length is 4 use an i32 not 
an i16!  Cleaned up trailing whitespace while there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51240 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 09:27:24 +00:00
Gordon Henriksen
e46924bdf7 Reverting accidental commit of generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 05:57:12 +00:00
Gordon Henriksen
83eaae19ad Remove a duplicative binding. Patch by Mahadevan R. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51238 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 05:47:10 +00:00
Nate Begeman
1d6e4091f6 Teach GVN to not assert on vector comparisons 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51230 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 19:49:05 +00:00
Nate Begeman
f44085a86a Fix a backwards check in the JIT symbol table code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51229 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 19:09:10 +00:00
Chris Lattner
47c9909a26 Fix PR2339 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-18 04:11:26 +00:00
Nick Lewycky
08de1e476c Revert constant-folding change that will miscompile in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51223 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 19:00:05 +00:00
Chris Lattner
b5783106c4 trip count computation deficiency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51222 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 15:37:38 +00:00
Nick Lewycky
6cccce3e58 Unbreak the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51217 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 09:05:22 +00:00
Nick Lewycky
d24ae8703f Constant fold inttoptr and ptrtoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51216 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 09:03:26 +00:00
Nick Lewycky
fc1efbbfbc Move isTrueWhenEqual to ICmpInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51215 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 07:33:39 +00:00
Dale Johannesen
1f7580c5eb Less conservative verison of previous patch, 
suggested by Duncan.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51211 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 23:18:52 +00:00
Dale Johannesen
6796629611 Weak functions not declared non-throwing might be 
replaced at linktime with a body that throws, even
if the body in this file does not.  Make PruneEH
be more conservative in this case.
g++.dg/eh/weak1.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51207 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 21:31:48 +00:00
Eric Christopher
0bf7b414ae Add functions to enable adding a single attribute to a function and 
its associated call site.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51204 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 20:39:43 +00:00
Dale Johannesen
ea7dd40714 Record weak external linkage in a case where we were 
missing it. gcc.dg/darwin-weakimport-2.c.
Handle common and weak differently for darwin ppc32.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51201 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 20:09:25 +00:00
Gabor Greif
7cbd8a3e92 API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51200 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 19:29:10 +00:00
Evan Cheng
446efddfcd If the result of a BIT_CONVERT is a v1* vector, it doesn't mean its source is a v1* vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51192 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 17:19:05 +00:00
Duncan Sands
1a2d667d6f Bill pointed out that system headers should be 
included after local headers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51187 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 09:30:00 +00:00
Duncan Sands
419cafb9fb Silence the compiler warning differently. The 
original method caused gcc-4.2 to complain.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51186 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 09:19:16 +00:00
Evan Cheng
66ae104cd1 Do not dup malloc, vector instructions, etc. Throttle the default theshold way down. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51183 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 07:55:50 +00:00
Owen Anderson
62849be80d Remove ADCE's ability to delete loops. This ability is now implemented in a 
safer manner by loop deletion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51182 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 04:34:51 +00:00
Owen Anderson
0db198d758 Clean ups for loop deletion based on Chris' feedback. 
Also, use SCEV to determine the trip count of the loop, which is more powerful
and accurate that Loop::getTripCount.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51179 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 04:32:45 +00:00
Chris Lattner
b2ae9e34db implement PR2328. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51176 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 02:59:42 +00:00
Dale Johannesen
f88c81e332 Treat common as distinct from weak global on Darwin x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51172 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 00:52:06 +00:00
Dan Gohman
eedff319dc Revert the change from r51157 in 
test/Verifier/2002-11-05-GetelementptrPointers.ll, which was incorrect.
Instead, fix getIndexedType to not follow pointer types, as
PointerType is a subclass of CompositeType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51171 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 00:16:32 +00:00
Dan Gohman
f20d70d57e Fix a bug in LoopStrengthReduce that caused it to emit IR with 
use-before-def. The problem comes up in code with multiple PHIs where
one PHI is being rewritten in terms of the other, but the other needs
to be casted first. LLVM rules requre the cast instruction to be
inserted after any PHI instructions, but when instructions were
inserted to replace the second PHI value with a function of the first,
they were ended up going before the cast instruction. Avoid this
problem by remembering the location of the cast instruction, when one
is needed, and inserting the expansion of the new value after it.

This fixes a bug that surfaced in 255.vortex on x86-64 when
instcombine was removed from the middle of the loop optimization
passes. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 23:26:57 +00:00
Evan Cheng
0ef8de30fa Fix typos and comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51165 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 22:13:02 +00:00
Dale Johannesen
6667646a56 Allow an extra bit for CommonLinkage. 
This changes the .bc file format, but if I understand
how it works correctly, old .bc files continue to
be readable.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51161 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 20:49:28 +00:00
Nate Begeman
b434513a20 Actually scalarize the operand to BIT_CONVERT instead of asking someone to do 
something with a v1 type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51160 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 20:40:58 +00:00
Dan Gohman
041e2eb517 IR support for extractvalue and insertvalue instructions. Also, begin 
moving toward making structs and arrays first-class types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51157 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 19:50:34 +00:00
Dan Gohman
d208a803a6 Use static and anonymous namespaces consistently with other passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 19:43:55 +00:00
Devang Patel
8dbd9ada30 Remove useless check. 
Patch by Matthijs Kooijman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51154 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 18:04:29 +00:00
Evan Cheng
bdb6ca178c Disable JIT symbol table for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51152 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 17:31:35 +00:00
Duncan Sands
9c0d50ecae Use of UINT_MAX requires climits, at least when 
compiling with gcc 4.3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51145 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 11:22:50 +00:00
Gabor Greif
b1dbcd886a Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51143 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 10:04:30 +00:00
Evan Cheng
f0df03134e Make use of vector load and store operations to implement memcpy, memmove, and memset. Currently only X86 target is taking advantage of these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51140 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 08:39:06 +00:00
Nate Begeman
ff155f03bd Move the operator new and operator delete out of line. This fixes an issue with 
operator new() referring to the static initTags function, which has to be in the 
same linkage unit as any file including User.h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51136 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 01:23:11 +00:00
Dale Johannesen
386f3e9d50 Don't assume underlying APInt type is limited 
to 64 bits.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51135 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 22:53:25 +00:00
Bill Wendling
a6c3112b1f Situations can arise when you have a function called that returns a 'void', but 
is bitcast to return a floating point value. The result of the instruction may
not be used by the program afterwards, and LLVM will happily remove all
instructions except the call. But, on some platforms, if a value is returned as
a floating point, it may need to be removed from the stack (like x87). Thus, we
can't get rid of the bitcast even if there isn't a use of the value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51134 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 22:45:20 +00:00
Dale Johannesen
6a33cc12eb Remove undefined behavior in hex string->APFloat 
conversion.  Try 0x1.0000a4p+0f.  Neil, please review.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51132 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 22:05:31 +00:00
Evan Cheng
97e60d9e8c Use a better idiom to silence compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51131 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 21:08:07 +00:00
Chris Lattner
4186ad56cf rename SimplifyCFG.cpp -> SimplifyCFGPass.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51130 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 20:38:44 +00:00