Chris Lattner
50ff55c2c7
Do not select the operands being passed into SelectCC. IT does this itself
...
and selecting early prevents folding immediates into the cmpw* instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23188 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 19:20:44 +00:00
Chris Lattner
f76053269e
Move FCTIWZ handling out of the instruction selectors and into legalization,
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getting them out of the business of making stack slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23180 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 21:09:52 +00:00
Chris Lattner
8346bb6c29
Remove dead code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23179 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 20:25:15 +00:00
Chris Lattner
99296ffd36
add assert zext/sext to the dag isel
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23171 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 18:08:46 +00:00
Chris Lattner
7a49fdcd11
Fix 'ret long' to return the high and lo parts in the right registers. This
...
fixes crafty and probably others.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23167 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-31 01:34:29 +00:00
Chris Lattner
eb80fe8ff6
now that physregs can exist in the same dag with multiple types, remove some
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ugly hacks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23162 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 22:59:48 +00:00
Chris Lattner
2ea0c66ae5
Fix type mismatches when passing f32 values to calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23159 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 21:28:19 +00:00
Chris Lattner
1368721d53
Fix some indentation (first hunks).
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Remove code (last hunk) that miscompiled immediate and's, such as
and uint %tmp.30, 4294958079
into
andi. r8, r8, 56319
andis. r8, r8, 65535
instead of:
li r9, -9217
and r8, r8, r9
The first always generates zero.
This fixes espresso.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23155 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 18:37:48 +00:00
Chris Lattner
b551ba7661
Fix a problem Nate found where we swapped the operands of SHL/SHR_PARTS. This
...
fixes fourinarow
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23153 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 17:42:59 +00:00
Chris Lattner
14b86c72a2
codegen ADD_PARTS correctly: put the results in the right registers! This
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fixes fhourstones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23152 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 17:40:13 +00:00
Chris Lattner
2501d5e29c
add operands in the right order, fixing McCat/18-imp with the dag isel
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23150 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 17:13:58 +00:00
Chris Lattner
31ce12f4f5
Make sure the selector emits register register copies with flag operands
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linking them to calls when appropriate, this prevents the scheduler from
pulling these copies away from the call.
This fixes Ptrdist/yacr2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23143 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 01:57:02 +00:00
Chris Lattner
15055733f8
The first operand to AND does not always have more than two operands. This
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fixes MediaBench/toast with the dag selector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23141 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 00:59:16 +00:00
Chris Lattner
8f838720ad
emit FMR instructions to convert f64<->f32 instructions, so things like
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STOREs, know the right type to store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23139 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-30 00:30:43 +00:00
Chris Lattner
8bbcc20a9d
fix a crash in cfrac
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23137 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 23:49:25 +00:00
Chris Lattner
9c2dece8e2
Implement DYNAMIC_STACKALLOC, wrap some long lines
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23136 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 23:30:11 +00:00
Chris Lattner
7107c10501
Fix a dumb bug of mine where we were mishandling the PPC ABI (undef handling).
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This fixes voronoi and bh in Olden, allowing all of olden to pass!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23133 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 22:22:57 +00:00
Chris Lattner
efa6abcb95
Fix a bug the last patch exposed in treeadd among others
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23127 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 01:07:02 +00:00
Chris Lattner
2fef809b5b
A hack to fix a problem folding immedaites. This fixes Olden/power.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23126 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 01:01:01 +00:00
Chris Lattner
2a06a5ef36
Fix order of operands for copytoreg node when emitting calls. This fixes
...
Olden/msFix order of operands for copytoreg node when emitting calls. This fixes
Olden/mstt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23125 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 00:26:57 +00:00
Chris Lattner
b9efd14568
add operands in the correct order
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23123 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-29 00:02:01 +00:00
Chris Lattner
c8a89a1fcb
Fix a bug in FP_EXTEND, implement FP_TO_SINT
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23121 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-28 23:59:09 +00:00
Chris Lattner
528f58e813
fix an assertion failure in treeadd
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23120 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-28 23:39:22 +00:00
Chris Lattner
8a2d3ca7df
implement SELECT_CC fully for the DAG->DAG isel!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23101 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 21:23:58 +00:00
Chris Lattner
0bbea95433
Make fsel emission work with both the pattern and dag-dag selectors, by
...
giving it a non-instruction opcode. The dag->dag selector used to not
select the operands of the fsel, because it thought that whole tree was
already selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23091 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 20:25:03 +00:00
Chris Lattner
13794f5d01
implement the fold for:
...
bool %test(int %X, int %Y) {
%C = setne int %X, 0
ret bool %C
}
to:
_test:
addic r2, r3, -1
subfe r3, r2, r3
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23089 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 18:46:49 +00:00
Chris Lattner
52987f4f65
Changes to adjust to new ReplaceAllUsesWith syntax. Change FP_EXTEND to
...
just return its input, instead of emitting an explicit copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23088 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 18:37:23 +00:00
Chris Lattner
28b9be300c
now that fsel is formed during legalization, this code is dead
...
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
...
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
...
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
...
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.
...
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
...
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 :)
...
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
...
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
...
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
...
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
...
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:
...
_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
...
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
...
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
...
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
...
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
...
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
...
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.
...
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:
...
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.
...
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.
...
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.
...
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!
...
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
...
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.
...
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
...
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
...
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
...
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.
...
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.
...
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
...
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
...
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.
...
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
...
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!
...
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
...
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
...
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