Chris Lattner
28b9be300c
now that fsel is formed during legalization, this code is dead
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23084 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 17:40:39 +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
95e0682a42
Fix some warnings in an optimized build
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23080 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 16:38:51 +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
Nate Begeman
bb22df31d9
SUBFIC produces two results, not one.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23073 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 00:34:06 +00:00
Nate Begeman
6660cd65cf
Implement SHL_PARTS and SRL_PARTS
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23072 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 00:28:00 +00:00
Chris Lattner
b20c318df0
Emit the lo/hi parts in the right order :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23068 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 23:36:49 +00:00
Chris Lattner
a9317ed361
implement support for 64-bit add/sub, fix a broken assertion for 64-bit
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return. Allow the udiv breaker-upper to work with any non-zero constant
operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23066 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 23:21:06 +00:00
Chris Lattner
047b952e29
Finish implementing SDIV/UDIV by copying over the majik constant code from
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ISelPattern
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23062 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 22:04:30 +00:00
Chris Lattner
957fcfbd89
Implement setcc correctly for G5 and non-G5 systems
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23060 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 21:39:42 +00:00
Chris Lattner
64906a06b3
implement setcc on the G5. We're still missing the non-g5 specific bits, but
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they will come later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23059 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 20:08:18 +00:00
Chris Lattner
8784a23075
Add support for sdiv by 2^k and -2^k. Producing code like:
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_test:
srawi r2, r3, 2
addze r3, r2
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23052 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 17:50:06 +00:00
Chris Lattner
34e17052a7
Implement support for taking the address of constant pool indices, which
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is used by the int -> FP code among other things. This gets
2005-05-12-Int64ToFP past that failure, to dying on lack of support for add_parts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23042 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 05:04:11 +00:00
Chris Lattner
2fe76e58eb
Add support for FP constants, fixing UnitTests/2004-02-02-NegativeZero
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23038 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 04:47:18 +00:00
Chris Lattner
e28e40a273
Fully implement frame index, so that we can pass the address of alloca's
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around to functions and stuff
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23036 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 00:45:43 +00:00
Chris Lattner
89532c7db0
implement unconditional branches, fixing UnitTests/2003-05-02-DependentPHI.c
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23034 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 00:29:58 +00:00
Chris Lattner
ed7956bfe4
Fix a broken assertion
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23032 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 00:19:12 +00:00
Chris Lattner
2b54400f08
Split IMPLICIT_DEF into IMPLICIT_DEF_GPR and IMPLICIT_DEF_FP, so that the
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instructions take a consistent reg class. Implement ISD::UNDEF in the dag->dag
selector to generate this, fixing UnitTests/2003-07-06-IntOverflow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23028 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 23:08:16 +00:00
Chris Lattner
fb0c964364
implement support for calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23026 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 22:45:17 +00:00
Nate Begeman
c6b0717a6c
Remove unused statistic
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Prefer 'neg X' to 'subfic 0, X' since neg does not set XER[CA]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23001 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 05:03:20 +00:00
Chris Lattner
a2590c5b3e
Add callseq_begin/end support
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Call stil not supported yet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22998 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-24 00:47:15 +00:00
Chris Lattner
f7f2255505
Implement stores.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22963 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-22 01:27:59 +00:00
Chris Lattner
ddf3e7dfd7
Fix compilation of:
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float %test2(float* %P) {
%Q = load float* %P
%R = add float %Q, %Q
ret float %R
}
By returning the right result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22961 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-22 00:59:14 +00:00
Chris Lattner
9944b76cfe
Implement most of load support. There is still a bug though.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22959 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-21 22:31:09 +00:00
Chris Lattner
2fbb4579d6
Implement selection for branches.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22951 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-21 18:50:37 +00:00
Chris Lattner
4416f1a0a5
add support for global address, including PIC support.
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This REALLY should be lowered by the legalizer!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22941 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-19 22:38:53 +00:00
Chris Lattner
7e65997c43
Fix a typeo, no wonder all tokenfactor edges were the same!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22935 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-19 21:33:02 +00:00
Nate Begeman
02b88a4586
ISD::OR, and it's accompanying SelectBitfieldInsert
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22889 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-19 00:38:14 +00:00
Nate Begeman
c15ed447f4
Add shifts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22884 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 23:38:00 +00:00
Chris Lattner
0bc04231c0
Move this to the emitter
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22877 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 20:08:53 +00:00
Chris Lattner
d607c12e8e
After selecting the instructions for a basic block, emit the instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22869 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 18:46:06 +00:00
Chris Lattner
f5fac3b4a6
remove some unused stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 18:34:00 +00:00
Nate Begeman
a694047813
Improve ISD::Constant codegen.
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Now for int foo() { return -1; } we generate:
_foo:
li r3, -1
blr
instead of
_foo:
lis r2, -1
ori r3, r2, 65535
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22864 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 18:01:39 +00:00
Nate Begeman
cffc32b6e2
Add support for ISD::AND, and its various optimized forms.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22857 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 07:30:46 +00:00
Nate Begeman
131a880520
Maintain consistency in negating things
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22855 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 05:44:50 +00:00
Nate Begeman
0f3257a330
Implement XOR, remove a broken sign_extend_inreg case
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22854 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 05:00:13 +00:00
Nate Begeman
305a1c75cf
Add a bunch more simple nodes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22851 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 03:04:18 +00:00
Nate Begeman
6a7d61179c
Add a couple more nodes that are easy to handle
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22850 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 00:53:47 +00:00
Nate Begeman
b5a0668d43
Be fruitful and multiply!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22849 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-18 00:21:41 +00:00
Nate Begeman
26653500bb
Teach the DAG->DAG ISel about FNEG, and how it can be used to invert
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several of the PowerPC opcodes that come in both negated and non-negated
forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22845 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-17 23:46:35 +00:00
Chris Lattner
a5a91b1026
initial hack at a dag->dag instruction selector. This is obviously woefully
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incomplete, but it is a start. It handles basic argument/retval stuff, immediates,
add and sub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22836 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-17 19:33:03 +00:00