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2627 Commits

Author SHA1 Message Date
Chris Lattner
8affee249a Fix an assert-on-inline-inline-asm bug. 
llvm-svn: 28727
 2006-06-08 18:00:47 +00:00
Reid Spencer
81abe5c7f9 For PR798: 
Provide GraphViz support for MingW32. Patch provided by Anton Korobeynikov

llvm-svn: 28688
 2006-06-05 16:26:06 +00:00
Reid Spencer
d9e9ae6b64 For PR798: 
Add support for Graphviz. Patch contributed by Anton Korobeynikov.

llvm-svn: 28684
 2006-06-05 15:44:46 +00:00
Reid Spencer
490c23de9b Prevent the -pedantic option from causing Mac OS/X build problems: 
LiveIntervalAnalysis.cpp:218: error: floating constant exceeds range of 'double'

llvm-svn: 28620
 2006-06-01 06:12:21 +00:00
Reid Spencer
94a443bb29 Use archive libraries instead of object files for VMCore, BCReader, 
BCWriter, and bzip2 libraries. Adjust the various makefiles to accommodate
these changes. This was done to speed up link times.

llvm-svn: 28610
 2006-06-01 01:30:27 +00:00
Evan Cheng
5b6029f577 commuteInstruction() does not always create a new MI! 
llvm-svn: 28592
 2006-05-31 18:03:39 +00:00
Evan Cheng
6a09baaff4 Eliminate a memory leak. 
llvm-svn: 28585
 2006-05-31 07:13:03 +00:00
Evan Cheng
bbc183c90e visitVBinOp: Can't fold divide by zero! 
llvm-svn: 28584
 2006-05-31 06:08:35 +00:00
Evan Cheng
ae1c91ec10 Make sure the register pressure reduction schedulers work for non-uniform 
latency targets, e.g. PPC32.

llvm-svn: 28561
 2006-05-30 18:05:39 +00:00
Evan Cheng
7e0c2d106e When a priority_queue is empty, the behavior of top() operator is 
non-deterministic. Returns NULL when it's empty!

llvm-svn: 28560
 2006-05-30 18:04:34 +00:00
Chris Lattner
d8bd52bfd2 Fix a nasty dag combiner bug that caused nondeterminstic crashes (MY FAVORITE!): 
SimplifySelectOps would eliminate a Select, delete it, then return true.

The clients would see that it did something and return null.

The top level would see a null return, and decide that nothing happened,
proceeding to process the node in other ways: boom.

The fix is simple: clients of SimplifySelectOps should return the select
node itself.

In order to catch really obnoxious boogs like this in the future, add an
assert that nodes are not deleted.  We do this by checking for a sentry node
type that the SDNode dtor sets when a node is destroyed.

llvm-svn: 28514
 2006-05-27 00:43:02 +00:00
Evan Cheng
58bfb4e600 Make CALL node consistent with RET node. Signness of value has type MVT::i32 
instead of MVT::i1. Either is fine except MVT::i32 is probably a legal type
for most (if not all) platforms while MVT::i1 is not.

llvm-svn: 28511
 2006-05-26 23:13:20 +00:00
Evan Cheng
f53c4cc192 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2

llvm-svn: 28509
 2006-05-26 23:09:09 +00:00
Evan Cheng
328b47bc28 Remove a bogus cast. 
llvm-svn: 28492
 2006-05-26 08:00:14 +00:00
Evan Cheng
6fdd4960aa Turn on -sched-commute-nodes by default. 
llvm-svn: 28465
 2006-05-25 08:37:31 +00:00
Evan Cheng
920d9c86f1 CALL node change: now including signness of every argument. 
llvm-svn: 28461
 2006-05-25 00:55:32 +00:00
Chris Lattner
f604017e47 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.

llvm-svn: 28447
 2006-05-24 17:04:05 +00:00
Evan Cheng
6909147763 -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
llvm-svn: 28437
 2006-05-23 18:18:46 +00:00
Vladimir Prus
125917432a Fix missing include 
llvm-svn: 28435
 2006-05-23 13:43:15 +00:00
Evan Cheng
19e9e63dcd Incorrect SETCC CondCode used for FP comparisons. 
llvm-svn: 28433
 2006-05-23 06:40:47 +00:00
Evan Cheng
00c1318055 lib/Target/Target.td 
llvm-svn: 28386
 2006-05-18 20:42:07 +00:00
Chris Lattner
b2ecc1b1e7 Fix the result of the call to use a correct vbitconvert. There is no need to 
use getPackedTypeBreakdown at all here.

llvm-svn: 28365
 2006-05-17 20:49:36 +00:00
Chris Lattner
924f3fed13 Correct a previous patch which broke CodeGen/PowerPC/vec_call.ll 
llvm-svn: 28364
 2006-05-17 20:43:21 +00:00
Evan Cheng
00f391f87b Fixed a LowerCallTo and LowerArguments bug. They were introducing illegal 
VBIT_VECTOR nodes. There were some confusion about the semantics of
getPackedTypeBreakdown(). e.g. for <4 x f32> it returns 1 and v4f32, not 4,
and f32.

llvm-svn: 28352
 2006-05-17 18:16:39 +00:00
Chris Lattner
4252704561 When we legalize target nodes, do not use getNode to create a new node, 
use UpdateNodeOperands to just update the operands!  This is important because
getNode will allocate a new node if the node returns a flag and this breaks
assumptions in the legalizer that you can legalize some things multiple times
and get exactly the same results.

This latent bug was exposed by my ppc patch last night, and this fixes
gsm/toast.

llvm-svn: 28348
 2006-05-17 18:00:08 +00:00
Chris Lattner
d3ff015877 Add an assertion, avoid some unneeded work for each call. No functionality 
change.

llvm-svn: 28347
 2006-05-17 17:55:45 +00:00
Chris Lattner
30f61c8bb1 Add support for calls that pass and return legal vectors. 
llvm-svn: 28340
 2006-05-16 23:39:44 +00:00
Chris Lattner
01f4f28837 Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo 
produce it.

llvm-svn: 28338
 2006-05-16 22:53:20 +00:00
Andrew Lenharth
14504c85ed Move this code to a common place 
llvm-svn: 28329
 2006-05-16 17:42:15 +00:00
Chris Lattner
ba1dfc1da7 Add a chain to FORMAL_ARGUMENTS. This is a minimal port of the X86 backend, 
it doesn't currently use/maintain the chain properly.  Also, make the
X86ISelLowering.cpp file 80-col clean.

llvm-svn: 28320
 2006-05-16 06:45:34 +00:00
Chris Lattner
fdd62b9073 Move function-live-in-handling code from the sdisel code to the scheduler. 
This code should be emitted after legalize, so it can't be in sdisel.

Note that the EmitFunctionEntryCode hook should be updated to operate on the
DAG.  The X86 backend is the only one currently using this hook.

llvm-svn: 28315
 2006-05-16 06:10:58 +00:00
Chris Lattner
fa068a16e1 Print the vreg that livein physregs are live in 
llvm-svn: 28314
 2006-05-16 05:55:30 +00:00
Chris Lattner
b79e3f7155 Legalize FORMAL_ARGUMENTS nodes correctly, we don't want to legalize them once 
for each argument.

llvm-svn: 28313
 2006-05-16 05:49:56 +00:00
Evan Cheng
489f9bd68f Fixing 2006-05-01-SchedCausingSpills.ll; some clean up 
llvm-svn: 28279
 2006-05-13 08:22:24 +00:00
Evan Cheng
7bb257e178 Revert an un-intended change 
llvm-svn: 28278
 2006-05-13 05:53:47 +00:00
Chris Lattner
c439f96b2c Merge identical code. 
llvm-svn: 28274
 2006-05-13 02:11:14 +00:00
Evan Cheng
772647518f If the register allocator cannot find a register to spill, try the aliases. If 
that still fails (because all the register spill weights are inf), just grab
one.

llvm-svn: 28262
 2006-05-12 19:07:46 +00:00
Chris Lattner
9e29384a4b Remove dead vars 
llvm-svn: 28255
 2006-05-12 18:06:45 +00:00
Chris Lattner
9a24639afc remove dead vars 
llvm-svn: 28254
 2006-05-12 18:04:28 +00:00
Chris Lattner
11064741d3 Remove dead variable 
llvm-svn: 28253
 2006-05-12 18:02:04 +00:00
Chris Lattner
474e1b7ef3 Comment out dead variables 
llvm-svn: 28252
 2006-05-12 17:57:54 +00:00
Chris Lattner
90527550c1 Remove dead var 
llvm-svn: 28250
 2006-05-12 17:50:35 +00:00
Chris Lattner
db5b91f6a8 Compile: 
%tmp152 = setgt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %tmp159 = setlt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %bothcond2 = or bool %tmp152, %tmp159           ; <bool> [#uses=1]

To setne, not setune, which causes an assertion fault.

llvm-svn: 28244
 2006-05-12 17:03:46 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00
Evan Cheng
f3d7bb7a9e Backing out fix for PR770. Need to re-apply it after live range splitting is possible 
llvm-svn: 28236
 2006-05-12 06:06:34 +00:00
Evan Cheng
c24d0f281c Duh. That could take a long time. 
llvm-svn: 28235
 2006-05-12 06:05:18 +00:00
Chris Lattner
a500852895 Two simplifications for token factor nodes: simplify tf(x,x) -> x. 
simplify tf(x,y,y,z) -> tf(x,y,z).

llvm-svn: 28233
 2006-05-12 05:01:37 +00:00
Evan Cheng
0b8e4bca80 Add capability to scheduler to commute nodes for profit. 
If a two-address code whose first operand has uses below, it should be commuted
when possible.

llvm-svn: 28230
 2006-05-12 01:58:24 +00:00
Evan Cheng
cb2a0f392c Refactor scheduler code. Move register-reduction list scheduler to a 
separate file. Added an initial implementation of top-down register pressure
reduction list scheduler.

llvm-svn: 28226
 2006-05-11 23:55:42 +00:00
Evan Cheng
7028ff2e25 Set weight of zero length intervals to infinite to prevent them from being 
spilled.

llvm-svn: 28220
 2006-05-11 07:29:24 +00:00