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Author SHA1 Message Date
Chris Lattner
7ef330478f Implement CopyFromReg, TokenFactor, and fix a bug in CopyToReg. This allows 
us to compile stuff like this:

double %test(double %A, double %B, double %C, double %E) {
        %F = mul double %A, %A
        %G = add double %F, %B
        %H = sub double -0.0, %G
        %I = mul double %H, %C
        %J = add double %I, %E
        ret double %J
}

to:

_test:
        fnmadd f0, f1, f1, f2
        fmadd f1, f0, f3, f4
        blr

woot!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22937 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 21:43:53 +00:00
Chris Lattner
fa164b61d1 Fix a bug in previous commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22936 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 21:34:13 +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
Chris Lattner
7228aa7868 Print physreg register nodes with target names (e.g. F1) instead of numbers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22934 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 21:21:16 +00:00
Chris Lattner
0189197608 Before implementing copyfromreg, we'll implement copytoreg correctly. 
This gets us this for the previous testcase:

_test:
        lis r2, 0
        ori r3, r2, 65535
        blr

Note that we actually write to r3 (the return reg) correctly now :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22933 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:50:53 +00:00
Chris Lattner
4ccd406317 Now that we have operand info for machine instructions, use it to create 
temporary registers for things that define a register.  This allows dag->dag
isel to compile this:

int %test() { ret int 65535 }

into:

_test:
        lis r2, 0
        ori r2, r2, 65535
        blr

Next up, getting CopyFromReg to work, allowing arguments and cross-bb values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22932 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:45:43 +00:00
Chris Lattner
8d30c23d26 Emit this: 
static const TargetOperandInfo OperandInfo6[] = { { &PPC32::CRRCRegClass }, { 0 }, };

instead of this:

static const TargetOperandInfo OperandInfo6[] = { { PPC32::CRRCRegisterClass }, { 0 }, };

For operand information, which does not require dynamic (startup-time)
initialization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22931 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:29:14 +00:00
Chris Lattner
60200e5d32 Expose the derived register classes to the public header, allowing them 
to be accessed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22930 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 20:23:42 +00:00
Chris Lattner
ecbce617ca Split RegisterClass 'Methods' into MethodProtos and MethodBodies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22929 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 19:13:20 +00:00
Chris Lattner
ac46893e24 Split register class "Methods" into MethodProtos and MethodBodies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22928 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 19:12:51 +00:00
Chris Lattner
f0c5f67dbc put reg classes into namespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:53:43 +00:00
Chris Lattner
fabc8ffacb Put reg classes into namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22926 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:52:55 +00:00
Chris Lattner
03ba7b9f25 Put register classes into namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22925 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:51:57 +00:00
Chris Lattner
cbec3b00bd Put register classes in namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22924 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:50:46 +00:00
Chris Lattner
e7af178ccf Fix code that assumes the register info will be dumped into a target 
namespace instead of the reg class namespace.  Update getRegClassForType()
to use modified names due to tblgen change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22923 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:50:11 +00:00
Chris Lattner
28e728d75a put reg classes in namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22922 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:49:22 +00:00
Chris Lattner
1ff9540c17 Require that targets specify a namespace for their register classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22921 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:48:48 +00:00
Chris Lattner
42de581b2f Refactor to use Target.getRegisterClasses consistently, which provides 
anonymous regclass definition renaming.

Change the generated code to emit register classes as properly namespace
qualified entities like everything else.

expose the actual class definition as an object, though this isn't quite
usable yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22920 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:47:59 +00:00
Chris Lattner
d5aa3e26bb Emit real operand info for instructions. This currently works but is bad 
in one way: the generated tables require dynamic initialization for the
register classes.  This will be fixed in a future patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22919 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:46:26 +00:00
Chris Lattner
c67c18fd23 Read the namespace field from register classes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22918 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:45:20 +00:00
Chris Lattner
6096f0d4c6 The skeleton target has never had an isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22917 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:35:41 +00:00
Chris Lattner
8212203ab9 This code has always been dead on itanium 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22916 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:34:37 +00:00
Chris Lattner
5499742c06 This code has always been dead for alpha 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22915 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:33:26 +00:00
Chris Lattner
2505d6b727 The simple isel being gone makes this dead! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22914 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:32:03 +00:00
Chris Lattner
0b1e641b82 Now that the simple isels are dead, so is this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22913 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 18:30:39 +00:00
Chris Lattner
22c6202bb3 add a setName method to record 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22912 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 17:58:49 +00:00
Chris Lattner
936dd9274a Add a setName method to Record. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22911 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 17:58:11 +00:00
Chris Lattner
0e384b66a7 For now, just emit empty operand info structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22910 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 16:57:28 +00:00
Chris Lattner
c19d5621ae Sparcv9 gets no operand info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22909 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 16:56:56 +00:00
Chris Lattner
ae72f4a642 Add a new field to TargetInstrDescriptor for tracking information about 
operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22908 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 16:56:26 +00:00
Jeff Cohen
23c73a1823 Fix VC++ constant truncation warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22907 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 16:19:21 +00:00
Jeff Cohen
78beab014b Update Visual Studio projects for removed file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22905 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 13:51:22 +00:00
Duraid Madina
a91103430b a bugfix (up top) and a quick repair job: disable generation of dep.z 
(which died about a week ago) so we're back to load-(2^n-1)-then-AND
sequences. slow, but things should now be Almost Completely Working,
modulo those pesky alignment/ABI issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22904 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 13:25:50 +00:00
Chris Lattner
bfd4f55202 Fix a problem jeffc noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22903 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 06:16:04 +00:00
Jeff Cohen
a92b7c36e9 Fix VC++ precedence warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22902 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 04:39:48 +00:00
Nate Begeman
27d53ba6dd Fix a bug where we were passing the wrong number of arguments to an 
instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22901 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 03:42:28 +00:00
Chris Lattner
957e574b30 remove dead args 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22900 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:17:18 +00:00
Chris Lattner
d8fba827ec remove dead options 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22899 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:16:18 +00:00
Chris Lattner
2b5d3cf6a0 remove dead flags 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22898 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:14:40 +00:00
Chris Lattner
fcd60a010b The code emitter generator only supports targets with 32-bit instruction 
words.  There is no way for one of these targets to have a > 32-bit immediate!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22897 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:04:33 +00:00
Chris Lattner
ca6aa2f70c Fix computation of # operands, add a temporary hack for CopyToReg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22896 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 01:01:34 +00:00
Chris Lattner
d98958f4bd now that all of the targets are clean w.r.t. the number of operands for each 
instruction defined, actually emit this to the InstrInfoDescriptor, which
allows an assert in the machineinstrbuilder to do some checking for us,
and is required by the dag->dag emitter


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22895 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:59:49 +00:00
Nate Begeman
5ce0d308e6 Add support for target nodes with more than 3 operands, required by ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22894 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:56:28 +00:00
Chris Lattner
80132a4b48 mark variable arity instructions as such. Alpha wins the battle for 
cleanest backend in this metric :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22893 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:51:37 +00:00
Chris Lattner
efc58be8ca Mark some instructions as variable_ops, and PSEUDO_ALLOC as taking a GPR. 
I'm not convinced this is all of them,  but I can't do much testing, because
IA64 LLC crashes on big programs :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22892 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:47:42 +00:00
Chris Lattner
9d9dc816d0 add a few missing cases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22891 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:41:29 +00:00
Chris Lattner
b822abade7 Give ADJCALLSTACKDOWN/UP the correct operands. 
Give a whole bunch of other stuff variable operands, particularly FP.  The
FP stackifier is playing fast and loose with operands here, so we have to
mark them all as variable.  This will have to be fixed before we can dag->dag
the X86 backend.  The solution is for the pre-stackifier and post-stackifier
instructions to all be disjoint.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22890 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:38:22 +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
Chris Lattner
679c408768 The variable SAR's only take one operand too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22888 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:31:37 +00:00
Chris Lattner
fd444b2a69 Stop adding bogus operands to variable shifts on X86. These instructions 
only take one operand.  The other comes implicitly in through CL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22887 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:16:17 +00:00