Jeff Cohen
8030c25882
Eliminate use of sed in Visual Studio builds.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24003 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-26 14:48:53 +00:00
Chris Lattner
753c8f20e4
Add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23989 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-25 21:02:21 +00:00
Chris Lattner
70cfe13f19
Remove some dead argument names which irritates GCC at certain warning levels.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23979 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-25 17:59:28 +00:00
Chris Lattner
304a564c1f
Add a missing Module::setTargetTriple method.
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Remove Function::aiterator and Module::giterator typedefs (and const versions)
as they should have been removed when abegin/gbegin were removed. Thanks to
alkis for bringing this to my attn.
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2005-10-25 17:58:00 +00:00
Jim Laskey
34bd5d5d87
Preparation of supporting scheduling info. Need to find info based on selected
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CPU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23974 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-25 15:15:28 +00:00
Chris Lattner
a542b4c133
Move the END_WITH_NULL marker. Vladimir suggests that this works better with
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GCC 4.1. I tried it with 4.0 and 3.3 and it seems fine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23957 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 05:03:46 +00:00
Chris Lattner
41e087c7e6
Remove a prototype
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23951 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 04:13:21 +00:00
Chris Lattner
f753ea7a15
This pass is very old and quite useless, remove it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23946 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:35:24 +00:00
Chris Lattner
71478a09b5
Don't link these three passes in anymore
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23941 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 02:30:25 +00:00
Chris Lattner
d5bc0e5f9c
add a proto
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23923 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 01:00:32 +00:00
Chris Lattner
efec5e1599
new header
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23921 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 00:59:49 +00:00
Chris Lattner
cd04092fe4
add some prototypes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23919 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 00:38:25 +00:00
Chris Lattner
581ba9073e
Don't invade the system namespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23917 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-24 00:16:03 +00:00
Chris Lattner
9b2b56ef75
There is no need for this to be VC++ only
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2005-10-24 00:08:51 +00:00
Jeff Cohen
cc94b5178f
Work around GCC's dislike of attributes on function definitions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23896 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 15:22:50 +00:00
Chris Lattner
3e8d596ded
Move static functions to .cpp file, reduce #includes, pass strings by
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const&.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23890 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 05:25:19 +00:00
Jeff Cohen
66c5fd6c53
When a function takes a variable number of pointer arguments, with a zero
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pointer marking the end of the list, the zero *must* be cast to the pointer
type. An un-cast zero is a 32-bit int, and at least on x86_64, gcc will
not extend the zero to 64 bits, thus allowing the upper 32 bits to be
random junk.
The new END_WITH_NULL macro may be used to annotate a such a function
so that GCC (version 4 or newer) will detect the use of un-casted zero
at compile time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23888 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 04:37:20 +00:00
Andrew Lenharth
2a2de66db2
add TargetExternalSymbol
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2005-10-23 03:40:17 +00:00
Chris Lattner
09d3b75af6
add missing prototype
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23867 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 15:49:28 +00:00
Nate Begeman
405e3ecb56
Invert the TargetLowering flag that controls divide by consant expansion.
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Add a new flag to TargetLowering indicating if the target has really cheap
signed division by powers of two, make ppc use it. This will probably go
away in the future.
Implement some more ISD::SDIV folds in the dag combiner
Remove now dead code in the x86 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23853 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 00:02:42 +00:00
Chris Lattner
0692bbd991
add a new method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23840 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-20 07:37:59 +00:00
Nate Begeman
d32d4a93f6
Enable targets to say that integer divide is expensive, which will trigger
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an upcoming optimization in the DAG Combiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23834 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-20 02:14:14 +00:00
Chris Lattner
e214979f79
Make this work with the internalize change
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23812 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 01:41:47 +00:00
Nate Begeman
4a95945fa5
Add the ability to lower return instructions to TargetLowering. This
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allows us to lower legal return types to something else, to meet ABI
requirements (such as that i64 be returned in two i32 regs on Darwin/ppc).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23802 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-18 23:23:37 +00:00
Chris Lattner
f9c6105a78
add an option to the internalize pass
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23782 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-18 06:28:16 +00:00
Chris Lattner
40f44f1f58
Fix errors when compiling with -pedantic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23719 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 00:33:05 +00:00
Nate Begeman
ced9d5dcd3
SimplifySelectCC is dead
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2005-10-13 03:10:46 +00:00
Chris Lattner
b995c5e118
remove a comma to compile with pedantic gcc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23667 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-08 01:24:19 +00:00
Jeff Cohen
cadee65f54
Remove prolific source of VC++ truncation warnings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23657 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-07 05:29:25 +00:00
Chris Lattner
d623e953fc
add a helper class
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23633 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-05 06:34:34 +00:00
Chris Lattner
40cdedecf5
Change the signature of replaceUsesOfWithOnConstant to take a Use* and not
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take the bool. The bool is always true dynamically.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23625 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-04 18:12:13 +00:00
Chris Lattner
a385bf7b6d
Fix case of path
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23605 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03 03:32:39 +00:00
Chris Lattner
9390368970
This member can be const too
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23600 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-03 00:21:25 +00:00
Chris Lattner
4c225baa3e
Expose the actual valuetype of each register class
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23583 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02 06:23:19 +00:00
Chris Lattner
f85a55b096
Annotate nodes with their addresses if a graph requests it.
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This is Jim's feature implemented so that graphs could 'opt-in' and get
this behavior. This is currently used by selection dags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23576 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01 00:19:21 +00:00
Chris Lattner
37345fe3cd
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23575 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-01 00:17:07 +00:00
Jim Laskey
b78ea801cd
Reverting change moving to selection dag graph.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23568 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 19:33:41 +00:00
Jim Laskey
453d21e66c
Added allnodes_size for scheduling support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23567 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 19:27:01 +00:00
Jim Laskey
e6e34bc07c
Add the node name (thus the address) to node label.
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2005-09-30 19:11:53 +00:00
Chris Lattner
0f21fd5204
Rename MRegisterDesc -> TargetRegisterDesc for consistency
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2005-09-30 17:49:27 +00:00
Chris Lattner
2f02ed9a1f
trim down the target info structs now that we have a preferred spill register class for each callee save register
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23560 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 17:35:22 +00:00
Chris Lattner
2f9dbe8ee6
expose a new virtual method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23555 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 07:06:37 +00:00
Chris Lattner
294f41d5fc
Change these methods to take RC's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23535 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 01:28:14 +00:00
Chris Lattner
615c2d0920
Add FP versions of the binary operators, keeping the int and fp worlds seperate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23506 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 22:29:58 +00:00
Chris Lattner
5e93fbe68c
Add a new flag for targets where setjmp/longjmp saves/restores the signal mask,
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and _setjmp/_longjmp should be used instead (for llvm.setjmp/llvm.longjmp).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23479 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-27 22:13:36 +00:00
Chris Lattner
cc0f703f42
allow demotion to volatile values
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23472 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-27 19:38:43 +00:00
Chris Lattner
09f00b1295
Make this slightly more efficient by pushing actual type information down
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into the evaluator. This shrinks a release build of instcombine's text
section from 216363 to 215975 bytes (on PPC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23468 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-27 06:38:05 +00:00
Chris Lattner
225e8dd2f5
Split SimpleConstantVal up into its components, so each Constant subclass gets
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a different enum value. This allows 'classof' for these to be really simple,
not needing to call getType() anymore.
This speeds up isa/dyncast/etc for constants, and also makes them smaller.
For example, the text section of a release build of InstCombine.cpp shrinks
from 230037 bytes to 216363 bytes, a 6% reduction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23466 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-27 06:08:32 +00:00
Chris Lattner
c5406b55d5
add a new function
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2005-09-26 05:26:32 +00:00
Chris Lattner
a58ef7b652
Add long-overdue helpers for getting constants with known upper bits
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2005-09-24 22:57:28 +00:00
Chris Lattner
8baaa4f0b6
change proto slightly
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2005-09-24 08:23:53 +00:00
Chris Lattner
779a6513fe
move the live interval headers out of lib/CodeGen/
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2005-09-21 04:18:25 +00:00
Chris Lattner
7d3041e060
add a new callback
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23373 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-17 01:02:45 +00:00
Chris Lattner
331a1833e1
new method
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2005-09-12 17:03:16 +00:00
Chris Lattner
fde3f3061d
Add a new argument to ReplaceAllUsesWith to keep track of nodes deleted by
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this method
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2005-09-07 05:36:18 +00:00
Chris Lattner
ab2eb66f07
add a map for nullary ops
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23223 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-02 19:35:42 +00:00
Jim Laskey
839615a510
Add help support for -mcpu and -mattr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23222 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-02 19:27:43 +00:00
Chris Lattner
0271077eba
Move a bunch of non-deprecated methods above the "deprecated line"
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2005-09-02 18:16:20 +00:00
Jeff Cohen
7cd57f4c45
Fix VC++ build errors
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2005-09-02 02:51:42 +00:00
Chris Lattner
5ab6f5fe66
Teach live intervals to not crash on dead livein regs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23206 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-02 00:20:32 +00:00
Chris Lattner
7e122db776
Add a new ANY_EXTEND node, which operates like an extension but has undefined
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top bits.
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2005-09-02 00:14:40 +00:00
Jim Laskey
b1e1180ca0
1. Use SubtargetFeatures in llc/lli.
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2. Propagate feature "string" to all targets.
3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.
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2005-09-01 21:38:21 +00:00
Jim Laskey
b3302db18a
This new class provides support for platform specific "features". The intent
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is to manage processor specific attributes from the command line. See examples
of use in llc/lli and PowerPCTargetSubtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23191 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 21:36:18 +00:00
Nate Begeman
1d4d414111
First pass at the DAG Combiner. It isn't used anywhere yet, but it should
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be mostly functional. It currently has all folds from SelectionDAG.cpp
that do not involve a condition code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23184 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 00:19:25 +00:00
Chris Lattner
67d2562be7
remove an inappropriate comment
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23182 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 22:49:51 +00:00
Nate Begeman
16d6ea5264
Add support for count trailing zeroes, and population count. These are
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needed for folding constants in the upcoming dag combiner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23163 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 00:25:01 +00:00
Chris Lattner
d6a80778e5
Allow physregs to occur in the dag with multiple types. Though I don't like
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this, it is a requirement on PPC, which can have an f32 value in r3 at one
point in a function and a f64 value in r3 at another point. :(
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2005-08-30 22:38:05 +00:00
Nate Begeman
f7f3d32191
Add AssertSext, AssertZext nodes for targets that pass arguments in
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registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23146 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 02:39:32 +00:00
Chris Lattner
e3f1026683
add some method variants
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2005-08-30 01:56:13 +00:00
Chris Lattner
74fe063e90
improve comment
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2005-08-29 22:48:32 +00:00
Chris Lattner
ba8a0e0d7f
Add a new API for nate
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2005-08-29 22:00:00 +00:00
Reid Spencer
0f9beca707
Change the names of member variables per Chris' instructions, and document
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them more clearly.
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2005-08-27 19:09:02 +00:00
Reid Spencer
8c4bde36a3
Fix a typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23117 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-27 19:06:05 +00:00
Chris Lattner
050967c4d1
add some forward defs
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2005-08-26 21:06:40 +00:00
Chris Lattner
8fae46675d
spell this right!
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2005-08-26 20:53:44 +00:00
Chris Lattner
a8fbee6f09
Add a hook
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23096 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 20:53:09 +00:00
Chris Lattner
09321dcf5a
Add a new instruction flag
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23093 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 20:31:24 +00:00
Chris Lattner
26005b1b67
Add a new version of ReplaceAllUsesWith, make the comments more useful.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23086 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 18:35:58 +00:00
Chris Lattner
5839bf2b3b
Change ConstantPoolSDNode to actually hold the Constant itself instead of
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putting it into the constant pool. This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23081 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 17:15:30 +00:00
Chris Lattner
2bb06cdf27
Fix a huge annoyance: SelectNodeTo took types before the opcode unlike
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every other SD API. Fix it to take the opcode before the types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23079 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 16:36:26 +00:00
Jim Laskey
a2860651e8
Change unsigned lng to unsigned.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23077 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 09:24:46 +00:00
Jim Laskey
eb0c36d173
Added cl::bits option type (bit vectors). See "Collecting options as a set
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of flags" in the Command Line doc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23067 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 23:31:45 +00:00
Chris Lattner
3cd82619a8
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23049 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 17:24:09 +00:00
Chris Lattner
a64d4cddf5
add an enum value
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23048 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 17:07:09 +00:00
Jim Laskey
6600fa2d17
Recommended to use std::algorithms instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23046 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 16:21:56 +00:00
Jim Laskey
ab6c0a923f
Added support for generic linear/binary search.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23044 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 13:32:25 +00:00
Chris Lattner
4e27d3a10c
Fix a problem Duraid noticed, where we weren't removing values from the kills
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list when doing two-address and phi node lowering during register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23043 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 05:45:31 +00:00
Chris Lattner
aaaaf79d4a
Add support for TargetConstantPool node
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23040 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 05:02:41 +00:00
Chris Lattner
afb2dd43de
add a new TargetFrameIndex node
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23035 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 00:43:01 +00:00
Chris Lattner
7651fa4a7e
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23027 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 23:00:29 +00:00
Chris Lattner
420089c47c
add two new methods
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23024 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 22:43:53 +00:00
Chris Lattner
de6a4bc058
rename hasNativeSupportFor* -> is(Operation|Type)Legal.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23011 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 16:34:59 +00:00
Misha Brukman
9e7a601eaf
Wrap long lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23009 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 14:03:07 +00:00
Reid Spencer
ca09bd0732
Remove some tabs.
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Wrap a line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23008 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 10:57:30 +00:00
Reid Spencer
0a262ba7c3
For PR616:
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These patches make threading optional in LLVM. The configuration scripts are now
modified to accept a --disable-threads switch. If this is used, the Mutex class
will be implemented with all functions as no-op. Furthermore, linking against
libpthread will not be done. Finally, the ParallelJIT example needs libpthread
so its makefile was changed to always add -lpthread to the link line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23003 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 10:07:20 +00:00
Chris Lattner
c44fff472c
Keep the killed/dead sets sorted, so that "KillsRegister" can do a quick
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binary search to test for membership. This speeds up LLC a bit more on KC++,
e.g. on itanium from 16.6974s to 14.8272s, PPC from 11.4926s to 10.7089s and
X86 from 10.8128s to 9.7943s, with no difference in generated code (like all
of the RA patches).
With these changes, isel is the slowest pass for PPC/X86, but linscan+live
intervals is still > 50% of the compile time for itanium. More work could
be done, but this is the last for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22993 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 00:09:02 +00:00
Chris Lattner
e0cbf970ac
Change live variables from using multimaps to using maps of vectors and
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rearrange some of the accessors to be more efficient.
This makes it much more efficient to iterate over all of the things with the
same value. This speeds up liveintervals analysis from 8.63s to 3.79s with
a release build of llc on kc++ with -march=ia64. This also speeds up live
var from 1.66s -> 0.87s as well, reducing total llc time from 20.1s->15.2s.
This also speeds up other targets slightly, e.g. llc time on X86 from 16.84
-> 16.45s, and PPC from 17.64->17.03s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22990 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 23:40:41 +00:00
Chris Lattner
20647a55bf
Add RegisterDefIsDead to correspond to KillsRegister, mark both const
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22987 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 22:43:24 +00:00
Chris Lattner
ef35ba4f64
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22985 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 21:45:31 +00:00
Chris Lattner
4fbde4d871
add a method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22958 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-21 22:30:42 +00:00