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Author SHA1 Message Date
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
b074f80d8e Suppress warnings about missing placement delete. This should now be std-conformant even if compiled with exceptions on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51429 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 13:16:42 +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
9c287c2ab4 testcase for PR2267 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51408 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 04:45:22 +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
64a4c11e2f minor edits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51405 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 03:06:14 +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
Dan Gohman
ddc4ee82b5 Add a Type::isSingleValueType method. This will be used by code 
that currently uses Type::isFirstClassType and depends on it
returning false for struct or array types.

This commit doesn't change the behavior of Type::isFirstClassType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51396 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 23:35:53 +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
Gabor Greif
0263140c9e update a comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 18:57:33 +00:00
Gabor Greif
97e378e554 adapt to new API 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51387 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 18:30:15 +00:00
Evan Cheng
03dace82f4 Rename -no-lazy to -disable-lazy-compilation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51386 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 18:20:21 +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
a3f334362f resurrect lost tests by renaming them to not end with .tr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51375 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-21 14:48:24 +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
Bill Wendling
55384a853c Reverting r51218 because of breakage on PPC32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51358 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 23:54:27 +00:00
Gabor Greif
5edf210bdf Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51357 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 22:07:21 +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
7a9708b984 Oops, commit the version of this test that actually works. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 21:19:36 +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
Gabor Greif
f6cadc440c sabre brings to my attention that the 'tr' suffix is also obsolete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 21:00:03 +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
Chris Lattner
5568e94dbf Clarify that and/or/xor/sdiv etc all allow vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51335 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 20:48:21 +00:00
Chris Lattner
305915b8f6 Clarify copyright transfer when you don't own the copyright of 
the contributed code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 20:06:53 +00:00
Gabor Greif
722243bd40 Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 19:52:04 +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
Chris Lattner
71472ba025 "The two generated files in the AsmParser.vcproj are pointing to the 
wrong directory, this is the patch to fix it (also attached)."

Patch by 'OvermindDL1'



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51323 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 17:27:57 +00:00
Matthijs Kooijman
d30020a84e Clarify the testing documentation a bit and solve two HTML validator warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51313 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 10:28:55 +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
Dan Gohman
ad2ef21c76 Run vortex-bug as x86-64, which is what the original bug was triggered on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 00:54:39 +00:00
Steve Naroff
0008f654bf Silence a warning about "*/" outside a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 00:46:15 +00:00