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6695 Commits

Author SHA1 Message Date
Mon P Wang
50369c6847 Fix a bug where we were not emitting a cvt rnd sat node for converting 
between a unsigned integer and signed integer.

llvm-svn: 63831
 2009-02-05 04:47:42 +00:00
Dale Johannesen
fa28929927 Reapply 63765. Patches for clang and llvm-gcc to follow. 
llvm-svn: 63812
 2009-02-05 01:49:45 +00:00
Dale Johannesen
c901d013fb Get rid of 3 non-DebugLoc getNode variants. 
llvm-svn: 63808
 2009-02-05 01:01:16 +00:00
Dale Johannesen
c2896f9310 Remove non-DebugLoc versions of getMergeValues, ZeroExtendInReg. 
llvm-svn: 63800
 2009-02-05 00:20:09 +00:00
Dale Johannesen
d27bc65e74 Remove non-DebugLoc forms of CopyToReg and CopyFromReg. 
Adjust callers.

llvm-svn: 63789
 2009-02-04 23:02:30 +00:00
Dale Johannesen
f6e1822ccd Reverting 63765. This broke the build of both clang 
and llvm-gcc.

llvm-svn: 63786
 2009-02-04 22:47:25 +00:00
Stuart Hastings
010b5858c1 80 column rule. 
llvm-svn: 63768
 2009-02-04 20:30:10 +00:00
Dale Johannesen
15a801f11d Remove non-DebugLoc versions of getLoad and getStore. 
Adjust the many callers of those versions.

llvm-svn: 63767
 2009-02-04 20:06:27 +00:00
Nate Begeman
66f10b55ed New feature: add support for target intrinsics being defined in the 
target directories themselves.  This also means that VMCore no longer
needs to know about every target's list of intrinsics.  Future work
will include converting the PowerPC target to this interface as an
example implementation.

llvm-svn: 63765
 2009-02-04 19:47:21 +00:00
Mon P Wang
83f8f82e8a Avoids generating a legalization assert for the case where a vector type is legal 
but when legalizing the operation, we split the vector type and generate a library
call whose type needs to be promoted. For example, X86 with SSE on but MMX off, 
a divide v2i64 will be scalarized to 2 calls to a library using i64.

llvm-svn: 63760
 2009-02-04 19:38:14 +00:00
Evan Cheng
04be5342b1 Skip over zero registers. 
llvm-svn: 63748
 2009-02-04 18:18:58 +00:00
Stuart Hastings
9d89863489 Since I'm obliged to work with a development OS that currently doesn't 
support GraphViz, I've been using the foo->dump() facility.  This
patch is a minor rewrite to the SelectionDAG dump() stuff to make it a
little more helpful.  The existing foo->dump() functionality does not
change; this patch adds foo->dumpr().  All of this is only useful when
running LLVM under a debugger.

llvm-svn: 63736
 2009-02-04 16:46:19 +00:00
Evan Cheng
ed9464bdec Don't call isInvariantLoad twice. 
llvm-svn: 63729
 2009-02-04 09:21:58 +00:00
Evan Cheng
d80609a7b3 Don't bother hoisting out a "cheap" instruction if all of its uses are PHIs. LICM "cheap" instructions are not particularly beneficial to start with. This will just end up making the copies harder to coalesce. 
llvm-svn: 63728
 2009-02-04 09:19:56 +00:00
Evan Cheng
68f918e570 For now, only hoist re-materilizable instructions. LICM will increase register pressure. We want to avoid spilling more instructions if it's possible. 
llvm-svn: 63725
 2009-02-04 07:17:49 +00:00
Dale Johannesen
19fc835580 Remove non-DebugLoc forms of the exotic forms 
of Lod and Sto; patch uses.

llvm-svn: 63716
 2009-02-04 02:34:38 +00:00
Dale Johannesen
52d1d8d5a0 Remove some more non-DebugLoc versions of construction 
functions, with callers adjusted to fit.

llvm-svn: 63705
 2009-02-04 01:48:28 +00:00
Dale Johannesen
94df14c046 Check in file I forgot. 
llvm-svn: 63704
 2009-02-04 01:33:20 +00:00
Dale Johannesen
2c4af04551 Remove a few non-DebugLoc versions of node creation 
functions.

llvm-svn: 63703
 2009-02-04 01:17:06 +00:00
Dale Johannesen
e8a874130f Fill in more omissions in DebugLog propagation. 
I think that's it for this directory.

llvm-svn: 63690
 2009-02-04 00:13:36 +00:00
Bill Wendling
224d0d60fe Constify and don't return a reference. 
llvm-svn: 63689
 2009-02-04 00:05:34 +00:00
Dale Johannesen
b129ab17af DebugLoc propagation; adjustment to things omitted 
from SelectionDagBuild.

llvm-svn: 63680
 2009-02-03 23:04:43 +00:00
Bill Wendling
600f4ccb6c Erm. Would be nice to initialize this variable. . . 
llvm-svn: 63677
 2009-02-03 22:55:54 +00:00
Bill Wendling
5179b78c6b Add getDebugLocTuple to retrieve the DebugLocTuple for a given DebugLoc object. 
llvm-svn: 63676
 2009-02-03 22:49:58 +00:00
Dale Johannesen
b7f2857776 Add some DL propagation to places that didn't 
have it yet.  More coming.

llvm-svn: 63673
 2009-02-03 22:26:09 +00:00
Bill Wendling
3543edc608 More whitespace fixin'. 
llvm-svn: 63663
 2009-02-03 21:38:21 +00:00
Bill Wendling
716a4f7bfe Whitespace and comment changes. No functionality change. 
llvm-svn: 63660
 2009-02-03 21:17:20 +00:00
Devang Patel
8c076d8328 Remove dead code. 
llvm-svn: 63653
 2009-02-03 19:46:28 +00:00
Dan Gohman
d6f2af1f80 Change the post-RA scheduler to iterate through the 
basic-block segments bottom-up instead of top down. This
is the first step in a general restructuring of the way
register liveness is tracked in the post-RA scheduler.

llvm-svn: 63643
 2009-02-03 18:57:45 +00:00
Devang Patel
952d8276d1 First initialize DAG otherwise dwarf writer is used uninitialized. 
Duncan spotted this. Thanks!

llvm-svn: 63641
 2009-02-03 18:46:32 +00:00
Duncan Sands
87db26ad2c Fix PR3411. When replacing values, nodes are analyzed 
in any old order.  Since analyzing a node analyzes its
operands also, this can mean that when we pop a node
off the list of nodes to be analyzed, it may already
have been analyzed.

llvm-svn: 63632
 2009-02-03 10:23:33 +00:00
Bill Wendling
e496361cf5 Explicitly pass in debug location information to BuildMI. 
llvm-svn: 63599
 2009-02-03 02:29:34 +00:00
Bill Wendling
14bc9010d5 Pass in something sensible for the debug location information when creating the 
initial PHI nodes of the machine function.

llvm-svn: 63598
 2009-02-03 02:20:52 +00:00
Dale Johannesen
43479713ac Fill in some missing DL propagation in getNode()s. 
llvm-svn: 63595
 2009-02-03 01:55:44 +00:00
Bill Wendling
014973fd5d Use SDL->getCurDebugLoc() instead of unknown loc for landing pads. 
llvm-svn: 63594
 2009-02-03 01:55:42 +00:00
Bill Wendling
78decbdb9d Explicitly pass in the "unknown" debug location. This is probably not 
correct. We need more infrastructure before we can get the DebugLoc info for
these instructions.

llvm-svn: 63593
 2009-02-03 01:33:28 +00:00
Bill Wendling
a228b0ccc0 Alphabetize includes. 
llvm-svn: 63591
 2009-02-03 01:32:22 +00:00
Bill Wendling
29833dbc9f Propagate debug loc info during SDNode -> machine instr creation. 
llvm-svn: 63585
 2009-02-03 01:02:39 +00:00
Bill Wendling
5b177df8e9 Create DebugLoc information in FastISel. Several temporary methods were 
created. Specifically, those BuildMIs which use
"DebugLoc::getUnknownLoc()". I'll remove them soon.

llvm-svn: 63584
 2009-02-03 00:55:04 +00:00
Dale Johannesen
84498c427e Propagation in TargetLowering. Includes passing a DL 
into SimplifySetCC which gets called elsewhere.

llvm-svn: 63583
 2009-02-03 00:47:48 +00:00
Dan Gohman
0103631cce Use the SubclassData field to hold ExtType, isTrunc, and MemIndexedMode 
information. This eliminates the need for the Flags field in MemSDNode,
so this makes LoadSDNode and StoreSDNode smaller. Also, it makes
FoldingSetNodeIDs for loads and stores two AddIntegers smaller.

llvm-svn: 63577
 2009-02-03 00:08:45 +00:00
Dale Johannesen
0c89de8f82 Last DebugLoc propagation for this file. 
llvm-svn: 63574
 2009-02-02 23:46:53 +00:00
Dale Johannesen
d92b94df04 More DebugLoc propagation. This should be everything 
except LegalizeOp itself.

llvm-svn: 63560
 2009-02-02 22:49:46 +00:00
Owen Anderson
9d2293f7ad MergeValueInto is too smart: it might choose to do the merge the opposite direction. 
Live interval reconstruction needs to account for this, and scour its maps to
prevent dangling references.

llvm-svn: 63558
 2009-02-02 22:42:01 +00:00
Dale Johannesen
c7295f2a49 DebugLoc propagation. ExpandOp and PromoteOp, 
among others.

llvm-svn: 63555
 2009-02-02 22:12:50 +00:00
Dale Johannesen
5b1a213918 Commit missing files. 
llvm-svn: 63545
 2009-02-02 20:47:48 +00:00
Dale Johannesen
8883285060 More DebugLoc propagation. 
llvm-svn: 63543
 2009-02-02 20:41:04 +00:00
Duncan Sands
0ecadc3e36 Remove trailing spaces. 
llvm-svn: 63540
 2009-02-02 19:46:41 +00:00
Dale Johannesen
d0e894212e DebugLoc propagation for int<->fp conversions. 
llvm-svn: 63537
 2009-02-02 19:03:57 +00:00
Evan Cheng
95c4b28646 Refactor PerformPHIConstruction, no functionality changes. 
llvm-svn: 63536
 2009-02-02 18:33:18 +00:00