Evan Cheng
3466f13f38
Tail duplication should zap a copy it inserted for SSA update if the copy is the only use of its source.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91390 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 01:44:10 +00:00
Evan Cheng
ad9c0a3d8b
Use sbb x, x to materialize carry bit in a GPR. The result is all one's or all zero's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91381 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:53:42 +00:00
Evan Cheng
8acb3100de
Fold (zext (and x, cst)) -> (and (zext x), cst).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91380 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:52:11 +00:00
Daniel Dunbar
9682043ab5
NNT: Make sure stderr for build commands goes to log file, as intended but misdirected.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:41:47 +00:00
Evan Cheng
99b653c36f
Propagate zest through logical shift.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:41:36 +00:00
Eric Christopher
0c479d3c6b
Formatting.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:40:55 +00:00
Bill Wendling
43cf6c3939
Revert these. They may have been causing 483_xalancbmk to fail:
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$ svn merge -c -91161 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91161 into '.':
U lib/CodeGen/BranchFolding.cpp
U lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91113 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91113 into '.':
G lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91101 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91101 into '.':
U include/llvm/CodeGen/MachineBasicBlock.h
G lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91092 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91092 into '.':
G include/llvm/CodeGen/MachineBasicBlock.h
G lib/CodeGen/MachineBasicBlock.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91376 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:39:24 +00:00
Jim Grosbach
c67b556b5b
nand atomic requires opposite operand ordering
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91371 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15 00:12:35 +00:00
Dan Gohman
2e141d744e
Fix integer cast code to handle vector types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:40:38 +00:00
Dan Gohman
e3040e4ae5
Move Flag and isVoid after the vector types, since bit arithmetic with
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those enum values is less common.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91361 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:36:03 +00:00
Dan Gohman
83644f6b6d
Fix these asserts to check the invariant that the code actually
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depends on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91360 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:34:36 +00:00
Dan Gohman
80d8930d28
Update this comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:13:31 +00:00
Dan Gohman
688fb80334
Fix this to properly clear the FastISel debug location. Thanks to
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Bill for spotting this!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 23:08:09 +00:00
Bob Wilson
d934b63ed1
Rearrange rules to add missing dependency and allow parallel makes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 22:44:22 +00:00
Johnny Chen
ec689151f2
Add encoding bits "let Inst{11-4} = 0b00000000;" to BR_JTr to disambiguate
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between BR_JTr and STREXD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91339 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:51:34 +00:00
Bill Wendling
f8084fb1e1
The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
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but we need it to actually be 4-bytes in the FDE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91337 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:49:44 +00:00
Jim Grosbach
80dd125e17
v6 sync insn copy/paste error
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:33:32 +00:00
Jim Grosbach
7c03dbd8ed
Add ARMv6 memory and sync barrier instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91329 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:24:16 +00:00
Johnny Chen
c474796438
Fixed encoding bits typo of ldrexd/strexd.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 21:01:46 +00:00
Jim Grosbach
a36c8f2c2e
Thumb2 atomic operations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 20:14:59 +00:00
Dan Gohman
63de4c1901
Add svn:ignore entries for the Disassembler files.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91320 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:55:22 +00:00
Dan Gohman
eda23faedb
Move several function bodies which are rarely inlined out of line.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:43:09 +00:00
Chris Lattner
cdfb302876
fix an obvious bug found by clang++ and collapse a redundant if.
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Here's the diagnostic from clang:
/Volumes/Data/dgregor/Projects/llvm/lib/Target/CppBackend/CPPBackend.cpp:989:23: warning: 'gv' is always NULL in this context
printConstant(gv);
^
1 diagnostic generated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:34:32 +00:00
Dan Gohman
a4f8ecd85d
Micro-optimize these functions in the case where they are not inlined.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91316 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:32:31 +00:00
Jim Grosbach
a623f5a58d
correct selection requirements for thumb2 vs. arm versions of the barrier intrinsics
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91313 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:24:11 +00:00
Eric Christopher
38e1074c53
Add radar fixed in comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91312 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 19:07:25 +00:00
Jim Grosbach
c219e4dd59
add Thumb2 atomic and memory barrier instruction definitions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91310 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 18:56:47 +00:00
Jim Grosbach
015d3b5704
whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 18:36:32 +00:00
Jim Grosbach
f6b2862e81
ARM memory barrier instructions are not predicable
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 18:31:20 +00:00
Daniel Dunbar
252a0dfa6a
NNT: Use [e]grep -a when scanning logs, its possibly they will have non-text
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characters in them, in which case the grep will just return 'Binary file
matches' and the whole thing falls over.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91302 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:58:33 +00:00
Daniel Dunbar
1b54d423aa
NNT: Always create the -sentdata.txt file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91301 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:58:27 +00:00
Dan Gohman
e2f65ee4b1
Clear the Processed set when it is no longer used, and clear the
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IVUses list in releaseMemory().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91296 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:35:17 +00:00
Dan Gohman
30844c3950
Fix a thinko; isNotAlreadyContainedIn had a built-in negative, so the
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condition was inverted when the code was converted to contains().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91295 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:31:01 +00:00
Dan Gohman
c71c0e958c
Remove unnecessary #includes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:19:06 +00:00
Dan Gohman
35d913e6f3
Make the IVUses member private.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:14:32 +00:00
Dan Gohman
d3222b4224
Instead of having a ScalarEvolution pointer member in BasedUser, just pass
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the ScalarEvolution pointer into the functions which need it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:12:51 +00:00
Dan Gohman
a77d588c75
Don't bother cleaning up if there's nothing to clean up.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91288 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:10:44 +00:00
Dan Gohman
6dc1ef3923
Delete an unused variable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91287 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:08:09 +00:00
Dan Gohman
440b40d865
Drop Loop::isNotAlreadyContainedIn in favor of Loop::contains. The
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former was just exposing a LoopInfoBase implementation detail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:06:50 +00:00
Jim Grosbach
d7d72d66b7
add ldrexd/strexd instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:02:55 +00:00
Dan Gohman
1ed8bb3556
LSR itself doesn't need LoopInfo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91283 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 17:02:34 +00:00
Dan Gohman
c398365349
LSR itself doesn't need DominatorTree.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 16:57:08 +00:00
Dan Gohman
67b94fb73d
Remove the code in LSR that manually hoists expansions out of loops;
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SCEVExpander does this automatically.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 16:52:55 +00:00
Dan Gohman
b058ceda56
Minor code cleanups.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91280 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 16:37:29 +00:00
Devang Patel
ffe966c15b
Use DW_AT_specification to point to DIE describing function declaration.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91278 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 16:18:45 +00:00
Shantonu Sen
bc1c99c4fb
Remove empty file completely
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91277 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 14:15:15 +00:00
Torok Edwin
546d8d0e3e
Add "generic" fallback.
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gcc warned that the function may not have a return value, indeed
for non-intel and non-amd X86 CPUs it is right (VIA, etc.).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 12:38:18 +00:00
Lang Hames
94a4a5eec6
Added CalcSpillWeights to CMakeLists.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91275 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 07:43:25 +00:00
Bill Wendling
85de1e5bad
Whitespace changes, comment clarification. No functional changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 06:51:19 +00:00
Lang Hames
a937f220e1
Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14 06:49:42 +00:00