dd920bf3f0
Don't forget the newline in debug output.
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llvm-svn: 56613
2008-09-25 17:17:27 +00:00
32a733e2c7
FastISel support for debug info.
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llvm-svn: 56610
2008-09-25 17:05:24 +00:00
4b35e64504
bug 2812: Segmentation fault on a big emdiam processor.
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llvm-svn: 56609
2008-09-25 16:15:10 +00:00
3663f156f7
Fix a recent fast-isel coverage regression - don't bail out before
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giving the target a chance to materialize constants.
llvm-svn: 56605
2008-09-25 01:28:51 +00:00
b8e69f1755
Enable DeadMachineInstructionElim when Fast-ISel is enabled.
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llvm-svn: 56604
2008-09-25 01:14:49 +00:00
b873aa632c
Add debug output to this pass.
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llvm-svn: 56602
2008-09-25 01:06:50 +00:00
acb0554842
Refactor the code that adds standard LLVM codegen passes into
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a separate function, eliminating duplication between the
add-passes-for-file and add-passes-for-machine-code code.
llvm-svn: 56599
2008-09-25 00:37:07 +00:00
2e7450716a
<rdar://problem/6234798> Assertion failed: (!OpInfo.AssignedRegs.Regs.empty() && "Couldn't allocate input reg!")
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llvm-svn: 56597
2008-09-25 00:14:04 +00:00
382e2ec6b7
Give LowerSubregs.cpp a top-level description.
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llvm-svn: 56596
2008-09-24 23:44:12 +00:00
86d421df23
Remove SelectionDag early allocation of registers
...
for earlyclobbers. Teach Local RA about earlyclobber,
and add some tests for it.
llvm-svn: 56592
2008-09-24 23:13:09 +00:00
fd7faecfc2
Use helper
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llvm-svn: 56584
2008-09-24 22:21:04 +00:00
d19e91e5a8
SmallPtrSet will be better
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llvm-svn: 56583
2008-09-24 22:20:46 +00:00
123afb88c4
Use generic section-handling stuff to emit constant pool entries
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llvm-svn: 56579
2008-09-24 22:17:59 +00:00
7497762606
Get rid of duplicate char*/Section* DataSection
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llvm-svn: 56575
2008-09-24 22:16:16 +00:00
f8dc8aac3c
Get rid of duplicate char*/Section* TextSection
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llvm-svn: 56574
2008-09-24 22:15:21 +00:00
076e905b94
Move actual section printing stuff to AsmPrinter from TAI reducing heap traffic.
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llvm-svn: 56573
2008-09-24 22:14:23 +00:00
69ff51baa0
Drop obsolete hook and change all usage to new interface
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llvm-svn: 56572
2008-09-24 22:13:07 +00:00
7d002fa77b
Provide direct function to switch to Section
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llvm-svn: 56571
2008-09-24 22:12:10 +00:00
4ef4b1a7c1
Fix off-by-one error when updating live intervals.
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llvm-svn: 56567
2008-09-24 21:30:38 +00:00
dea91308ae
Reapplying r56550
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llvm-svn: 56553
2008-09-24 10:25:02 +00:00
162c26dee3
Forgot this part with my last patch. Sorry about the breakage.
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llvm-svn: 56552
2008-09-24 10:16:24 +00:00
4e26a81371
Temporarily revert r56550 until missing commit can be added.
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llvm-svn: 56551
2008-09-24 08:30:44 +00:00
7c31464a0b
Refactor the constant folding code into it's own function. And call it from both
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the SelectionDAG and DAGCombiner code. The only functionality change is that now
the DAG combiner is performing the constant folding for these operations instead
of being a no-op.
This is *not* in response to a bug, so there isn't a testcase.
llvm-svn: 56550
2008-09-24 07:11:26 +00:00
c36660d756
Next round of earlyclobber handling. Approach the
...
RA problem by expanding the live interval of an
earlyclobber def back one slot. Remove
overlap-earlyclobber throughout. Remove
earlyclobber bits and their handling from
live internals.
llvm-svn: 56539
2008-09-24 01:07:17 +00:00
6b33aa4d96
Refactor the logic for testing if an instruction is dead into a
...
separate method.
llvm-svn: 56531
2008-09-24 00:27:38 +00:00
1e2b282be3
Set SetStore to false, to allow this pass to delete
...
dead loads.
llvm-svn: 56529
2008-09-24 00:07:08 +00:00
7c59ed6ff8
Add a method to MachineInstr for testing whether it makes
...
any volatile memory references.
llvm-svn: 56528
2008-09-24 00:06:15 +00:00
e0add20c1b
Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc.
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llvm-svn: 56526
2008-09-24 00:05:32 +00:00
ba3fa6c6e1
s/ParameterAttributes/Attributes/g
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llvm-svn: 56513
2008-09-23 23:03:40 +00:00
676145f02d
Now that DeadMachineInstructionElim is basically working
...
correctly, it's not necessary to explicitly remove registers
from their use-def lists.
llvm-svn: 56509
2008-09-23 22:04:18 +00:00
918fe08a56
Arrange for FastISel code to have access to the MachineModuleInfo
...
object. This will be needed to support debug info.
llvm-svn: 56508
2008-09-23 21:53:34 +00:00
269999cb03
Track local physical register liveness. This is not the most
...
efficient implementation possible, but it's pretty simple and
good enough for the time being.
llvm-svn: 56504
2008-09-23 21:40:44 +00:00
c07f686665
Replace the LiveRegs SmallSet with a simple counter that keeps
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track of the number of live registers, which is all the set was
being used for.
llvm-svn: 56498
2008-09-23 18:50:48 +00:00
4cdc18ad80
Add initial support for inserting last minute copies.
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llvm-svn: 56485
2008-09-23 04:37:10 +00:00
e2947e1e07
Fix the alignment of loads from constant pool entries when the
...
load address has an offset from the base of the constant pool
entry.
llvm-svn: 56479
2008-09-22 22:40:08 +00:00
bab5988017
Livestacks really does preserve everything.
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llvm-svn: 56476
2008-09-22 22:26:15 +00:00
962c2cf17a
Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators.
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llvm-svn: 56475
2008-09-22 22:21:38 +00:00
97364655dc
Significant improvements to the logic for merging live intervals. This code can't
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just use LI::MergeValueAsValue, as its behavior in the presence of overlapping ranges
isn't what StrongPHIElimination wants.
llvm-svn: 56472
2008-09-22 21:58:58 +00:00
7a74e71489
Make log, log2, log10, exp, exp2 use Expand by
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default.
llvm-svn: 56471
2008-09-22 21:57:32 +00:00
168f8f3916
Mark several codegen passes as preserving all analysis.
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llvm-svn: 56469
2008-09-22 20:58:04 +00:00
f1acc4d610
More refactoring. Yawn.
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llvm-svn: 56468
2008-09-22 20:51:30 +00:00
7beddb8680
Refactor FP intrinisic setup. Per review feedback.
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llvm-svn: 56456
2008-09-22 19:51:58 +00:00
13beeeb128
Per review feedback: Only perform
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(srl x, (trunc (and y, c))) -> (srl x, (and (trunc y), c))
etc. when both "trunc" and "and" have single uses.
llvm-svn: 56452
2008-09-22 18:19:24 +00:00
a229b3c9a7
Initial support for the CMake build system.
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llvm-svn: 56419
2008-09-22 01:08:49 +00:00
91ef8fcd29
Add helper function to get a 32-bit floating point constant. No functionality change.
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llvm-svn: 56418
2008-09-22 00:44:35 +00:00
ae9d9f4d3f
Factor out code into HandleVirtRegDef, for consistency with
...
Handle{Virt,Phys}Reg{Def,Use}. Remove a redundant check
for register zero, and redundant checks for isPhysicalRegister.
llvm-svn: 56412
2008-09-21 21:11:41 +00:00
df8f1cb995
Fetch the starting index of the block when assigning intervals. This gets live-in indices
...
correct in the presence of things like EH labels.
llvm-svn: 56410
2008-09-21 20:43:24 +00:00
43f5449c48
don't print GlobalAddressSDNode's with an offset of zero as "foo0".
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llvm-svn: 56399
2008-09-21 18:38:31 +00:00
9af7b3daec
Teach coalescer about earlyclobber bits.
...
Check bits for preferred register.
llvm-svn: 56384
2008-09-20 02:03:04 +00:00
c042000649
Fix PR2808. When regalloc runs out of register, it spill a physical register around the live interval being allocated. Do not continue to try to spill another register, just grab the physical register and move on.
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llvm-svn: 56381
2008-09-20 01:28:05 +00:00
Dan Gohman