Owen Anderson
8dd01ccdd8
Add a RetVT parameter to emitted FastISel methods, so that we will be able to pass the desired return
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type down. This is not currently used.
llvm-svn: 55345
2008-08-25 23:58:18 +00:00
Evan Cheng
2c067325d6
Unbreak build.
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llvm-svn: 55342
2008-08-25 22:20:39 +00:00
Owen Anderson
126afc5cb9
Expand bitcast support in fast isel to support bitcasts of non-constant values by emitting reg-reg copies.
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llvm-svn: 55340
2008-08-25 21:32:34 +00:00
Owen Anderson
32635dbfb2
Add support for fast isel of (integer) immediate materialization pattens, and use them to support
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bitcast of constants in fast isel.
llvm-svn: 55325
2008-08-25 20:20:32 +00:00
Dan Gohman
48a3623591
Make MBBMap a DenseMap instead of a std::map.
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llvm-svn: 55220
2008-08-23 02:44:46 +00:00
Dan Gohman
2db3f8a095
Reapply r55191 and r55192.
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llvm-svn: 55205
2008-08-22 21:28:19 +00:00
Bill Wendling
fc4f64eed0
Reverting r55190, r55191, and r55192. They broke the build with this error message:
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{standard input}:17:bad register name `%sil'
make[4]: *** [libgcc/./_addvsi3.o] Error 1
make[4]: *** Waiting for unfinished jobs....
{standard input}:23:bad register name `%dil'
{standard input}:28:bad register name `%dil'
make[4]: *** [libgcc/./_addvdi3.o] Error 1
{standard input}:18:bad register name `%sil'
make[4]: *** [libgcc/./_subvsi3.o] Error 1
llvm-svn: 55200
2008-08-22 20:51:05 +00:00
Dan Gohman
04968da460
Fix the InsertBranch call.
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llvm-svn: 55192
2008-08-22 19:26:10 +00:00
Dan Gohman
87ff7058e7
Support non-fallthrough unconditional branches in FastISel.
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llvm-svn: 55191
2008-08-22 19:21:41 +00:00
Dan Gohman
a2292c0d34
Add FastISel support for PHINodes. Machine PHI nodes
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are not yet updated properly, but that's a separate
task.
llvm-svn: 55187
2008-08-22 17:37:48 +00:00
Dan Gohman
49e19e906f
Factor out the predicate check code from DAGISelEmitter.cpp
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and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.
llvm-svn: 55156
2008-08-22 00:20:26 +00:00
Dan Gohman
6a7461ad9b
Have FastISel skip the multiply by 1 for getelementptr on i8*.
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llvm-svn: 55129
2008-08-21 17:37:05 +00:00
Dan Gohman
efb7d2d03d
MVT::getMVT uses iPTR for pointer types, while we need the actual
...
intptr_t type in this case. FastISel can now select simple
getelementptr instructions.
llvm-svn: 55125
2008-08-21 17:25:26 +00:00
Dan Gohman
fe9056584b
Basic fast-isel support for instructions with constant int operands.
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llvm-svn: 55099
2008-08-21 01:41:07 +00:00
Evan Cheng
4b5c038cd0
Type of first GEP operand is always the same as the target pointer type.
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llvm-svn: 55097
2008-08-21 01:19:11 +00:00
Dan Gohman
6a0780cdd7
Fix unused variable warnings.
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llvm-svn: 55089
2008-08-20 23:53:10 +00:00
Evan Cheng
864fcc198d
First cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst.
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llvm-svn: 55085
2008-08-20 22:45:34 +00:00
Dan Gohman
a4305cec93
Simplify the BuildMI calls even more.
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llvm-svn: 55077
2008-08-20 21:10:53 +00:00
Dan Gohman
02c84b8910
Simplify FastISel's constructor argument list, make the FastISel
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class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.
llvm-svn: 55076
2008-08-20 21:05:57 +00:00
Dan Gohman
07a34a5f69
Make more use of the BuildMI API.
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llvm-svn: 55072
2008-08-20 18:16:32 +00:00
Dan Gohman
24e8f0cfe6
Minor code reorganization.
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llvm-svn: 55071
2008-08-20 18:10:48 +00:00
Dan Gohman
2471f6ce0f
Minor whitespace cleanup.
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llvm-svn: 55070
2008-08-20 18:09:38 +00:00
Dan Gohman
39a5ffb03f
Fix 80 column violation.
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llvm-svn: 55069
2008-08-20 18:09:02 +00:00
Dan Gohman
e8f9a00424
Fix FastISel to recognize that the last block in the function does
...
not have a fall-through successor.
llvm-svn: 55033
2008-08-20 01:17:01 +00:00
Dan Gohman
f6884373c2
Fix FastISel to recognize unhandled operands, such as constants
...
that aren't available as virtual registers (for now).
llvm-svn: 55026
2008-08-20 00:35:17 +00:00
Dan Gohman
b16a7783c5
Add FastISel support for floating-point operations.
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llvm-svn: 55021
2008-08-20 00:23:20 +00:00
Dan Gohman
a3e4d5a5e1
Add FastISel support for several more binary operators.
...
llvm-svn: 55020
2008-08-20 00:11:48 +00:00
Dan Gohman
214343fbbe
Support unconditional fall-through branches in FastISel.
...
llvm-svn: 55014
2008-08-19 22:31:46 +00:00
Dan Gohman
547ce65467
Use the BuildMI overload that sets up a destination register
...
instead of the one that doesn't and then adding it manually.
llvm-svn: 55006
2008-08-19 20:46:54 +00:00
Dan Gohman
c55fdcc935
Handle the case where target-specific fastisel code doesn't have
...
a desired opcode.
llvm-svn: 55005
2008-08-19 20:43:22 +00:00
Dan Gohman
c44423853a
Make FastISel's constructor protected, and give it a destructor.
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llvm-svn: 54793
2008-08-14 21:51:29 +00:00
Dan Gohman
b2226e21c3
Initial checkin of the new "fast" instruction selection support. See
...
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.
llvm-svn: 54751
2008-08-13 20:19:35 +00:00