Dan Gohman
f7119393a9
Instead of adding dependence edges between terminator instructions
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and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.
Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 22:10:20 +00:00
Dan Gohman
49bb50e0b6
If an anti-dependence uses a non-allocatable register, set AntiDepReg
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to 0, to ensure that the subsequent code doesn't try to break the
dependence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62365 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 21:57:43 +00:00
Dan Gohman
b6a6164832
Use the getNode() accessor instead of accessing the Node
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member directly, which is private as of r55504.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 21:47:21 +00:00
Dan Gohman
8554449e31
Fix the check for an empty basic block to check for an empty SUnits
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array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 21:37:14 +00:00
Chris Lattner
df874eed56
new nodes should be added to the worklist, not old nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 21:15:56 +00:00
Devang Patel
07354e532b
Fix comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62358 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 21:07:53 +00:00
Evan Cheng
e57187cbe3
CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 20:57:18 +00:00
Chris Lattner
9029cb8363
don't assert and die on out of range (undefined) shifts. This fixes
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PR3334.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 20:17:02 +00:00
Chris Lattner
71759c491c
Fix PR3335 by not turning a store to one address space into a store to another.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 20:12:52 +00:00
Chris Lattner
1b8eaf5109
reduce indentation by using early exits, no functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62350 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 20:08:59 +00:00
Devang Patel
99ec3538b8
Use lightweight DebugInfo objects directly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62341 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 19:28:14 +00:00
Bill Wendling
64e87326d9
Add support for non-zero __builtin_return_address values on X86.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 19:25:27 +00:00
Evan Cheng
4d544a2c80
Change isGVCompilationDisabled() semantics again. It should abort on any GV that's not constant whether it's "internal" or not. In a server / client environment, GV is returned in the same block of memory as code. However, the memory might not be writable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 19:14:49 +00:00
Gabor Greif
75a46eb800
use specialized accessor instead of plain getOperand(0)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62330 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 18:40:27 +00:00
Devang Patel
7103c6a993
Align source code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62328 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 18:01:58 +00:00
Dan Gohman
79ce4cea47
Fix a "comparison between signed and unsigned integer expressions"
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warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 17:55:08 +00:00
Nick Lewycky
d1f5fabd15
Reinstate r60509 from Dale:
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Make the debugging dump be a full line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62325 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 17:07:22 +00:00
Mikhail Glushenkov
2388a588bd
Registry.h should not depend on CommandLine.h.
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Split Support/Registry.h into two files so that we have less to
recompile every time CommandLine.h is changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62312 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 07:02:28 +00:00
Mikhail Glushenkov
5c1799b293
Delete trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 06:53:46 +00:00
Evan Cheng
bdfc582edf
ARMCompilationCallback should not save / restore vfp registers if vfp is not available.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62299 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 02:16:37 +00:00
Devang Patel
5be935536f
Validate debug info values only if DwarfDebug is initialized.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62298 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 02:15:14 +00:00
Evan Cheng
4e56ab2cf4
Clean up previous cast optimization a bit. Also make zext elimination a bit more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62297 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 02:11:43 +00:00
Devang Patel
61c6bf37ef
Any debug info symbol is only valid if atleast one compile unit is seen.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62294 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 01:49:46 +00:00
Dan Gohman
2836c283bb
Initial hazard recognizer support in post-pass scheduling. This includes
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a new toy hazard recognizier heuristic which attempts to direct the
scheduler to avoid clumping large groups of loads or stores too densely.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 01:33:36 +00:00
Devang Patel
153745cc1f
Do not stumble over forward declared struct member.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62288 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-16 00:50:53 +00:00
Devang Patel
cf3a4487c0
Validate dbg_* intrinsics before lowering them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 23:41:32 +00:00
Mon P Wang
fa9c5eac33
Added missing support to widen an operand from a bit convert.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 22:43:38 +00:00
Dan Gohman
fc54c55296
Generalize the HazardRecognizer interface so that it can be used
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to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 22:18:12 +00:00
Dan Gohman
c475c3608a
Simplify the MachineLICM pass by having it only traverse outer
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loops, hoisting instructions all the way out in one step rather
than hoisting them one nest level at a time. Also, make a few
other code simplifications. This speeds up MachineLICM
by several fold.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62283 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 22:01:38 +00:00
Rafael Espindola
19caec79f2
Fix Alpha test and support for private linkage.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 21:51:46 +00:00
Mon P Wang
f0fcdd8e26
Expand insert/extract of a <4 x i32> with a variable index.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 21:10:20 +00:00
Rafael Espindola
bb46f52027
Add the private linkage.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 20:18:42 +00:00
Devang Patel
f193ff0590
Use lightweight DebugInfo objects directly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 19:26:23 +00:00
Dan Gohman
79ce276083
Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph
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and into the ScheduleDAGInstrs class, so that they don't get
destructed and re-constructed for each block. This fixes a
compile-time hot spot in the post-pass scheduler.
To help facilitate this, tidy and do some minor reorganization
in the scheduler constructor functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62275 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 19:20:50 +00:00
Nuno Lopes
6ad2b2a3d2
add comment to explain my previous commit, as asked by Chris
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62272 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 18:40:57 +00:00
Gabor Greif
c478e52bf4
avoid using iterators when they get invalidated potentially
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this fixes PR3332
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 18:40:09 +00:00
Devang Patel
0e5200f3fd
Use variable's context to identify respective DbgScope.
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Use light weight DebugInfo object directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62269 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 18:25:17 +00:00
Dan Gohman
41b762a75e
Add load-folding table entries for BT*ri8 instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62267 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 17:57:09 +00:00
Dan Gohman
65b7f27bb7
Make getWidenVectorType const; this file was missed in the
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previous commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 17:39:39 +00:00
Dan Gohman
c13cf130c4
Make getWidenVectorType const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62265 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 17:34:08 +00:00
Evan Cheng
661d9c35b0
Eliminate a redundant check.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62264 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 17:09:07 +00:00
Evan Cheng
f35fd547ac
- Teach CanEvaluateInDifferentType of this xform: sext (zext ty1), ty2 -> zext ty2
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- Looking at the number of sign bits of the a sext instruction to determine whether new trunc + sext pair should be added when its source is being evaluated in a different type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 17:01:23 +00:00
Dan Gohman
e9530ecae4
More consts on TargetLowering references.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62262 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 16:58:17 +00:00
Dan Gohman
0d137d7f35
Use const with TargetLowering references in a few more places.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 16:43:02 +00:00
Dan Gohman
73e0914848
Const-qualify getPreIndexedAddressParts and friends.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 16:29:45 +00:00
Richard Osborne
cfb1ae87c6
Don't fold address calculations which use negative offsets into
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the ADDRspii addressing mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 11:32:30 +00:00
Richard Osborne
62db116933
Update the operands used when building LDAWSP instructions to match the .td
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changes in the last commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 11:18:53 +00:00
Gabor Greif
b67e6b3b65
minor refactoring: use a more specific API
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62256 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 11:10:44 +00:00
Scott Michel
94bd57e154
- Convert remaining i64 custom lowering into custom instruction emission
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sequences in SPUDAGToDAGISel.cpp and SPU64InstrInfo.td, killing custom
DAG node types as needed.
- i64 mul is now a legal instruction, but emits an instruction sequence
that stretches tblgen and the imagination, as well as violating laws of
several small countries and most southern US states (just kidding, but
looking at a function with 80+ parameters is really weird and just plain
wrong.)
- Update tests as needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-15 04:41:47 +00:00
Chris Lattner
d9d46241ec
Fix PR3325, a miscompilation of invokes by IPSCCP. Patch by Jay Foad!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62244 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-14 21:01:16 +00:00