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fa1eb27b76
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1531 Commits

Author SHA1 Message Date
Evan Cheng
fa1eb27b76 Move SimplifySetCC to TargetLowering and allow it to be shared with legalizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34065 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-08 22:13:59 +00:00
Chris Lattner
831e0374a7 switch the VRBaseMap in the scheduler from an std::map to a DenseMap. This 
speeds up the isel pass from 2.5570s to 2.4722s on kc++ (3.4%).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33879 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 08:47:20 +00:00
Chris Lattner
3f97eb449b Introduce new UnarySDNode/BinarySDNode/TernarySDNode nodes, which coallocate 
their operands with the node itself.  This reduces malloc traffic for operand
lists.  This reduces isel time on kc++ from 2.6164 to 2.5570s, about 2.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33878 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 08:35:21 +00:00
Chris Lattner
ab4ed59538 eliminate the SDNode::setValueTypes method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33876 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 07:37:24 +00:00
Chris Lattner
63e3f14df6 eliminate a bunch of duplicate ctors and helper functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33875 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 07:28:00 +00:00
Chris Lattner
d429bcd4ac move MorphNode to out of line and merge setNodeOperands into it. There is 
no behavior or performance change here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33869 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:49:29 +00:00
Chris Lattner
48b8592652 simplify MorphNodeTo to take a VTList operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33868 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:41:42 +00:00
Chris Lattner
67612a1188 eliminate some extraneous methods in SDNode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33867 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:32:44 +00:00
Chris Lattner
c76e3c8602 Give each selectiondag node class a home for it's vtable and rtti info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33866 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:23:32 +00:00
Chris Lattner
9f24ad79ce Switch VAlueMap from std::map to DenseMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 01:35:11 +00:00
Chris Lattner
0da331fe0b Switch NodeMap from std::map to DenseMap, this speeds up isel by 2.3% 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33862 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 01:31:47 +00:00
Chris Lattner
0ed4417075 swtich vector-> smallvector, speeding up selectiondag stuff 1% 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33861 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 01:20:02 +00:00
Chris Lattner
40030bfa75 Switch promoted/expanded ops over to using a DenseMap. Vector related maps 
aren't worth it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33860 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 01:17:38 +00:00
Chris Lattner
718071c476 switch LegalizedNodes from std::map to a DenseMap. This speeds up isel 
time as a whole on kc++ by 11%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33857 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:50:02 +00:00
Chris Lattner
00755df36c Eliminate some malloc traffic from LegalizeAllNodesNotLeadingTo, speeding 
up isel on kimwitu by 0.7%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33853 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:27:56 +00:00
Chris Lattner
d48c5e871a Eliminate some std::sets. This speeds up isel of kimwitu by about 0.9% 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:24:41 +00:00
Chris Lattner
cf5640bd52 Switch SelectionDAG::ReplaceAllUsesOfValueWith to use a SmallSetVector for 
the users set (most nodes have 1 or 2 users).  This speeds up the isel pass
3.2% on kimwitu.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33849 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:14:31 +00:00
Chris Lattner
2ba528b3a7 switch the sched unit map over to use a DenseMap instead of std::map. This 
speeds up isel as a whole time by 2.6%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33810 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 01:34:13 +00:00
Chris Lattner
7971514755 Switch ComputeTopDownOrdering over to using a densemap. This speeds up 
isel as a whole by 3.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33809 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 01:12:36 +00:00
Evan Cheng
5efdecc030 Pasto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33806 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-03 00:43:46 +00:00
Reid Spencer
832254e1c2 Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33776 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-02 02:16:23 +00:00
Anton Korobeynikov
b25fe82671 Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes
PR1144


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 08:39:52 +00:00
Chris Lattner
fea997aac5 Fit in 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 04:55:59 +00:00
Chris Lattner
527fae12c3 Emit a better assertion message for PR1133 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33736 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 01:21:12 +00:00
Evan Cheng
d385fd62cb Allow the target to override the ISD::CondCode that's to be used to test the 
result of the comparison libcall against zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-31 09:29:11 +00:00
Reid Spencer
5cbf985dcb For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-30 20:08:39 +00:00
Chris Lattner
367f109ba9 add initial support for handling inline asms with multiple constraints. 
This doesn't do the "right thing" but will probably work in most cases.

This implements CodeGen/PowerPC/2007-01-29-lbrx-asm.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33643 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 23:45:14 +00:00
Nate Begeman
bcc5f36765 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 22:58:52 +00:00
Anton Korobeynikov
6aa279dc8b Arguments are counting from 1. not from 0. Maybe we should change 
numbering somehow? E.g. make return argument the last?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33606 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-28 18:01:49 +00:00
Anton Korobeynikov
ac2b2cf88c More cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33605 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-28 16:04:40 +00:00
Anton Korobeynikov
b10308e440 Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-28 13:31:35 +00:00
Jim Laskey
44c3b9fdd4 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage 
for debugging and exception handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33550 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-26 21:22:28 +00:00
Jim Laskey
1ee2925742 Make LABEL a builtin opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-26 14:34:52 +00:00
Evan Cheng
de268f7dcf Renamed getTypeAlignmentShift() to getPreferredTypeAlignmentShift(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-24 07:03:39 +00:00
Evan Cheng
f6d039a039 Remove the DoubleTy special case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33449 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-22 23:13:55 +00:00
Reid Spencer
24d6da5fed For PR970: 
Clean up handling of isFloatingPoint() and dealing with PackedType.
Patch by Gordon Henriksen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-21 00:29:26 +00:00
Chris Lattner
58092e35a3 Teach TargetData to handle 'preferred' alignment for each target, and use 
these alignment amounts to align scalars when we can.  Patch by Scott Michel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33409 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-20 22:35:55 +00:00
Evan Cheng
597a3bde35 Fix for PR1108: type of insert_vector_elt index operand is PtrVT, not MVT::i32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33398 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-20 10:10:26 +00:00
Reid Spencer
c10305743c For PR1043: 
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33370 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-19 21:13:56 +00:00
Evan Cheng
42d7ccfd8e Remove this xform: 
(shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2)
Replace it with:
(add (shl (add x, c1), c2), ) -> (add (add (shl x, c2), c1<<c2), )

This fixes test/CodeGen/ARM/smul.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33361 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-19 17:51:44 +00:00
Chris Lattner
c4e664bb9d Fix PR1114 and CodeGen/Generic/2007-01-15-LoadSelectCycle.ll by being 
careful when folding "c ? load p : load q" that C doesn't reach either load.
If so, folding this into load (c ? p : q) will induce a cycle in the graph.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-16 05:59:59 +00:00
Chris Lattner
938ab02256 add options to view the dags before the first or second pass of dag combine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-16 04:55:25 +00:00
Reid Spencer
e5530da208 Compensate for loss of DerivedTypes.h in TargetLowering.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33159 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 23:31:12 +00:00
Reid Spencer
02114aa0e5 Move a function out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33158 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 23:30:31 +00:00
Evan Cheng
79cca507fe Minor fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33149 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 22:51:10 +00:00
Evan Cheng
56966225d1 Store default libgcc routine names and allow them to be redefined by target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33105 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 02:11:51 +00:00
Zhou Sheng
6b6b6ef167 For PR1043: 
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33073 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-11 12:24:14 +00:00
Evan Cheng
c8edc64188 Naming consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33026 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 23:55:53 +00:00
Evan Cheng
c62d4bb695 Fix for PR1075: bottom-up register-reduction scheduling actually increases register pressure. 
- Fixed bugs in sethi-ullman number computation and priority queue comparison
functions.
- Separate code that handles priority computation special cases from SU number computation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33025 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 23:50:38 +00:00
Chris Lattner
ddae4bd683 Implement some trivial FP foldings when -enable-unsafe-fp-math is specified. 
This implements CodeGen/PowerPC/unsafe-math.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33024 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-08 23:04:05 +00:00