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1001 Commits

Author SHA1 Message Date
Jim Laskey
897ad8ddb7 Add unique id to debug location for debug label use (work in progress.) 
llvm-svn: 25096
 2006-01-04 15:04:11 +00:00
Jim Laskey
1b0399e8f0 Change how MachineDebugInfo is fetched. 
llvm-svn: 25089
 2006-01-04 13:42:59 +00:00
Andrew Lenharth
a639cb7176 allow custom lowering to return null for legal results 
llvm-svn: 25007
 2005-12-25 01:07:37 +00:00
Andrew Lenharth
5cf1fcb844 Support Custom lowering of a few more operations. 
Alpha needs to custom lower *DIV and *REM

llvm-svn: 25006
 2005-12-24 23:42:32 +00:00
Chris Lattner
c97655052a unbreak the build :-/ 
llvm-svn: 24992
 2005-12-23 16:12:20 +00:00
Evan Cheng
bcfef42cd4 Allow custom lowering of LOAD, EXTLOAD, ZEXTLOAD, STORE, and TRUNCSTORE. Not 
currently used.

llvm-svn: 24988
 2005-12-23 07:29:34 +00:00
Chris Lattner
4bcbe2d378 Fix a pasto 
llvm-svn: 24973
 2005-12-23 00:52:30 +00:00
Chris Lattner
4a929edf04 fix a thinko in the bit_convert handling code 
llvm-svn: 24972
 2005-12-23 00:50:25 +00:00
Chris Lattner
a59cc5ebbb add very simple support for the BIT_CONVERT node 
llvm-svn: 24970
 2005-12-23 00:16:34 +00:00
Chris Lattner
73f38507d9 remove dead code 
llvm-svn: 24965
 2005-12-22 21:16:08 +00:00
Chris Lattner
6f708e886f The 81st column doesn't like code in it. 
llvm-svn: 24943
 2005-12-22 05:23:45 +00:00
Jim Laskey
d82881490c Disengage DEBUG_LOC from non-PPC targets. 
llvm-svn: 24919
 2005-12-21 20:51:37 +00:00
Evan Cheng
6f15189a77 * Added support for X86 RET with an additional operand to specify number of 
bytes to pop off stack.
* Added support for X86 SETCC.

llvm-svn: 24917
 2005-12-21 20:21:51 +00:00
Chris Lattner
6364b03742 make sure to relegalize all cases 
llvm-svn: 24911
 2005-12-21 19:40:42 +00:00
Chris Lattner
15bf8f26f2 fix a bug I introduced that broke recursive expansion of nodes (e.g. scalarizing vectors) 
llvm-svn: 24905
 2005-12-21 18:02:52 +00:00
Chris Lattner
088b3ccdcc Fix a nasty latent bug in the legalizer that was triggered by my patch 
last night, breaking crafty and twolf.  Make sure that the newly found
legal nodes are themselves not re-legalized until the next iteration.

Also, since this functionality exists now, we can reduce number of legalizer
iterations by depending on this behavior instead of having to misuse 'do
another iteration' to get the same effect.

llvm-svn: 24875
 2005-12-20 00:53:54 +00:00
Evan Cheng
bb34a50cb0 X86 conditional branch support. 
llvm-svn: 24870
 2005-12-19 23:12:38 +00:00
Chris Lattner
aeeb98a7dd Make sure to relegalize new nodes 
llvm-svn: 24843
 2005-12-18 23:54:29 +00:00
Chris Lattner
deb7eb58be More corrections for flagged copyto/from reg 
llvm-svn: 24828
 2005-12-18 15:36:21 +00:00
Chris Lattner
daa904e19a legalize copytoreg and copyfromreg nodes that have flag operands correctly. 
llvm-svn: 24826
 2005-12-18 15:27:43 +00:00
Chris Lattner
bdb696294e allow custom expansion of BR_CC 
llvm-svn: 24804
 2005-12-17 23:46:46 +00:00
Evan Cheng
d51da93a03 X86 lowers SELECT to a cmp / test followed by a conditional move. 
llvm-svn: 24754
 2005-12-17 01:21:05 +00:00
Jim Laskey
37957b1ad3 Added source file/line correspondence for dwarf (PowerPC only at this point.) 
llvm-svn: 24748
 2005-12-16 22:45:29 +00:00
Nate Begeman
3d420d73e2 Lowering constant pool entries on ppc exposed a bug in the recently added 
ConstantVec legalizing code, which would return constantpool nodes that
were not of the target's pointer type.

llvm-svn: 24691
 2005-12-13 03:03:23 +00:00
Chris Lattner
ea3d25b64a Fix CodeGen/Generic/2005-12-12-ExpandSextInreg.ll 
llvm-svn: 24677
 2005-12-12 22:27:43 +00:00
Nate Begeman
a0e26b25f4 Add support for TargetConstantPool nodes to the dag isel emitter, and use 
them in the PPC backend, to simplify some logic out of Select and
SelectAddr.

llvm-svn: 24657
 2005-12-10 02:36:00 +00:00
Chris Lattner
8f28525f54 Teach legalize how to promote sext_inreg to fix a problem Andrew pointed 
out to me.

llvm-svn: 24644
 2005-12-09 17:32:47 +00:00
Nate Begeman
589dff9a20 Fix a crash where ConstantVec nodes were being generated with the wrong 
type when the target did not support them.  Also teach Legalize how to
expand ConstantVecs.

This allows us to generate

_test:
        lwz r2, 12(r3)
        lwz r4, 8(r3)
        lwz r5, 4(r3)
        lwz r6, 0(r3)
        addi r2, r2, 4
        addi r4, r4, 3
        addi r5, r5, 2
        addi r6, r6, 1
        stw r2, 12(r3)
        stw r4, 8(r3)
        stw r5, 4(r3)
        stw r6, 0(r3)
        blr

For:

void %test(%v4i *%P) {
        %T = load %v4i* %P
        %S = add %v4i %T, <int 1, int 2, int 3, int 4>
        store %v4i %S, %v4i * %P
        ret void
}

On PowerPC.

llvm-svn: 24633
 2005-12-07 19:48:11 +00:00
Nate Begeman
6c1b8712c5 Teach the SelectionDAG ISel how to turn ConstantPacked values into 
constant nodes with vector types.  Also teach the asm printer how to print
ConstantPacked constant pool entries.  This allows us to generate altivec
code such as the following, which adds a vector constantto a packed float.

LCPI1_0:  <4 x float> < float 0.0e+0, float 0.0e+0, float 0.0e+0, float 1.0e+0 >
        .space  4
        .space  4
        .space  4
        .long   1065353216      ; float 1
        .text
        .align  4
        .globl  _foo
_foo:
        lis r2, ha16(LCPI1_0)
        la r2, lo16(LCPI1_0)(r2)
        li r4, 0
        lvx v0, r4, r2
        lvx v1, r4, r3
        vaddfp v0, v1, v0
        stvx v0, r4, r3
        blr

For the llvm code:

void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = add <4 x float> %tmp1, < float 0.0, float 0.0, float 0.0, float 1.0 >
  store <4 x float> %tmp2, <4 x float> *%a
  ret void
}

llvm-svn: 24616
 2005-12-06 06:18:55 +00:00
Andrew Lenharth
a38ab7b996 bah, must generate all results 
llvm-svn: 24574
 2005-12-02 06:08:08 +00:00
Andrew Lenharth
9662af8cdc cycle counter fix 
llvm-svn: 24573
 2005-12-02 04:56:24 +00:00
Chris Lattner
29f6c8928b Promote line and column number information for our friendly 64-bit targets. 
llvm-svn: 24568
 2005-12-01 18:21:35 +00:00
Andrew Lenharth
3836ea30ac At long last, you can say that f32 isn't supported for setcc 
llvm-svn: 24537
 2005-11-30 17:12:26 +00:00
Andrew Lenharth
e14b9bfddf add support for custom lowering SINT_TO_FP 
llvm-svn: 24531
 2005-11-30 06:43:03 +00:00
Chris Lattner
22327b9d12 Add support for a new STRING and LOCATION node for line number support, patch 
contributed by Daniel Berlin, with a few cleanups here and there by me.

llvm-svn: 24515
 2005-11-29 06:21:05 +00:00
Nate Begeman
a1c2df2471 Add the majority of the vector machien value types we expect to support, 
and make a few changes to the legalization machinery to support more than
16 types.

llvm-svn: 24511
 2005-11-29 05:45:29 +00:00
Nate Begeman
a90bb6d9b1 Check in code to scalarize arbitrarily wide packed types for some simple 
vector operations (load, add, sub, mul).

This allows us to codegen:
void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = add <4 x float> %tmp1, %tmp1
  store <4 x float> %tmp2, <4 x float> *%a
  ret void
}

on ppc as:
_foo:
        lfs f0, 12(r3)
        lfs f1, 8(r3)
        lfs f2, 4(r3)
        lfs f3, 0(r3)
        fadds f0, f0, f0
        fadds f1, f1, f1
        fadds f2, f2, f2
        fadds f3, f3, f3
        stfs f0, 12(r3)
        stfs f1, 8(r3)
        stfs f2, 4(r3)
        stfs f3, 0(r3)
        blr

llvm-svn: 24484
 2005-11-22 18:16:00 +00:00
Nate Begeman
d2f6fcf327 Rather than attempting to legalize 1 x float, make sure the SD ISel never 
generates it.  Make MVT::Vector expand-only, and remove the code in
Legalize that attempts to legalize it.

The plan for supporting N x Type is to continually epxand it in ExpandOp
until it gets down to 2 x Type, where it will be scalarized into a pair of
scalars.

llvm-svn: 24482
 2005-11-22 01:29:36 +00:00
Chris Lattner
bc0a6be68a Legalize MERGE_VALUES, expand READCYCLECOUNTER correctly, so it doesn't 
break control dependence.

llvm-svn: 24437
 2005-11-20 22:56:56 +00:00
Andrew Lenharth
b44263313a The first patch of X86 support for read cycle counter 
llvm-svn: 24429
 2005-11-20 21:32:07 +00:00
Chris Lattner
3a1a1557e1 Silence a bogus warning 
llvm-svn: 24420
 2005-11-19 05:51:46 +00:00
Nate Begeman
7d513f65ae Teach LLVM how to scalarize packed types. Currently, this only works on 
packed types with an element count of 1, although more generic support is
coming.  This allows LLVM to turn the following code:

void %foo(<1 x float> * %a) {
entry:
  %tmp1 = load <1 x float> * %a;
  %tmp2 = add <1 x float> %tmp1, %tmp1
  store <1 x float> %tmp2, <1 x float> *%a
  ret void
}

Into:

_foo:
        lfs f0, 0(r3)
        fadds f0, f0, f0
        stfs f0, 0(r3)
        blr

llvm-svn: 24416
 2005-11-19 00:36:38 +00:00
Chris Lattner
0b177075c2 Allow targets to custom legalize leaf nodes like GlobalAddress. 
llvm-svn: 24387
 2005-11-17 06:41:44 +00:00
Chris Lattner
48668daec3 Teach legalize about targetglobaladdress 
llvm-svn: 24385
 2005-11-17 05:52:24 +00:00
Andrew Lenharth
dca2f13e76 continued readcyclecounter support 
llvm-svn: 24300
 2005-11-11 16:47:30 +00:00
Chris Lattner
29585fd8c8 Switch the allnodes list from a vector of pointers to an ilist of nodes.This eliminates the vector, allows constant time removal of a node froma graph, and makes iteration over the all nodes list stable when adding 
nodes to the graph.

llvm-svn: 24263
 2005-11-09 23:47:37 +00:00
Chris Lattner
8052f32866 Handle the trivial (but common) two-op case more efficiently 
llvm-svn: 24259
 2005-11-09 18:48:57 +00:00
Chris Lattner
90eff65d1c Allocate the right amount of memory for this vector up front. 
llvm-svn: 24252
 2005-11-08 23:32:44 +00:00
Nate Begeman
98c5495992 Allow custom lowered FP_TO_SINT ops in the check for whether a larger 
FP_TO_SINT is preferred to a larger FP_TO_UINT.  This seems to be begging
for a TLI.isOperationCustom() helper function.

llvm-svn: 23992
 2005-10-25 23:47:25 +00:00
Nate Begeman
957648f18b Teach Legalize how to do something with EXTRACT_ELEMENT when the type of 
the pair of elements is a legal type.

llvm-svn: 23804
 2005-10-19 00:06:56 +00:00