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1041 Commits

Author SHA1 Message Date
Evan Cheng
e720cfd690 New DAG node properties SNDPInFlag, SNDPOutFlag, and SNDPOptInFlag to replace 
hasInFlag, hasOutFlag.

llvm-svn: 25155
 2006-01-09 18:28:21 +00:00
Chris Lattner
00d77e22d4 Fix the PPC JIT failures last night, which were due to mishandling of linkonce globals 
llvm-svn: 25141
 2006-01-07 06:22:16 +00:00
Chris Lattner
d583872b9e linkonce symbols have an extra indirection, just like weak ones do. This fixes 
Prolangs-C++/family and Prolangs-C++/primes.

llvm-svn: 25119
 2006-01-06 01:04:03 +00:00
Chris Lattner
5488b43338 Fix a compile crash building MultiSource/Applications/d with the new front-end. 
The PPC backend was generating random shift counts in this case, due to an
uninitialized variable.

llvm-svn: 25114
 2006-01-05 18:32:49 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00
Jim Laskey
5eddaee9f3 Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00
Jim Laskey
61138e28ff Applied some recommend changes from sabre. The dominate one beginning "let the 
pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.

llvm-svn: 25100
 2006-01-04 22:28:25 +00:00
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
62b29812a6 Tie dwarf generation to darwin assembler. 
llvm-svn: 25093
 2006-01-04 13:52:30 +00:00
Nate Begeman
ec7c28a28c Add support for generating v4i32 altivec code 
llvm-svn: 25046
 2005-12-30 00:12:56 +00:00
Nate Begeman
e1fdcf5a20 Remove a fixme 
llvm-svn: 25045
 2005-12-30 00:11:07 +00:00
Evan Cheng
231b11ba87 Added field noResults to Instruction. 
Currently tblgen cannot tell which operands in the operand list are results so
it assumes the first one is a result. This is bad. Ideally we would fix this
by separating results from inputs, e.g. (res R32:$dst),
(ops R32:$src1, R32:$src2). But that's a more distruptive change. Adding
'let noResults = 1' is the workaround to tell tblgen that the instruction does
not produces a result. It works for now since tblgen does not support
instructions which produce multiple results.

llvm-svn: 25017
 2005-12-26 09:11:45 +00:00
Nate Begeman
96c7e22231 Fix one of the things in the todo file, and get a bit closer to folding 
constant offsets from statics into the address arithmetic.

llvm-svn: 24999
 2005-12-24 01:00:15 +00:00
Evan Cheng
d87688fe72 * Removed the use of FLAG. Now use hasFlagIn and hasFlagOut instead. 
* Added a pseudo instruction (for each target) that represent "return void".
  This is a workaround for lack of optional flag operand (return void is not
  lowered so it does not have a flag operand.)

llvm-svn: 24997
 2005-12-23 22:14:32 +00:00
Chris Lattner
8b2bd265f4 make sure bit_converts are expanded 
llvm-svn: 24978
 2005-12-23 05:13:35 +00:00
Chris Lattner
3c4a3dd86e Simplify some code by using BIT_CONVERT 
llvm-svn: 24974
 2005-12-23 00:59:59 +00:00
Chris Lattner
73f38507d9 remove dead code 
llvm-svn: 24965
 2005-12-22 21:16:08 +00:00
Chris Lattner
8c2622a14e fix handling of weak linkage 
llvm-svn: 24964
 2005-12-22 21:15:17 +00:00
Chris Lattner
f7ed832fcf move some random notes out of my email into someplace useful 
llvm-svn: 24956
 2005-12-22 17:19:28 +00:00
Evan Cheng
e458553c73 Bye bye HACKTROCITY. 
llvm-svn: 24935
 2005-12-22 02:26:21 +00:00
Evan Cheng
05ad906ccf Flip the meaning of FPContractions to reflect Requires<[]> change. 
llvm-svn: 24884
 2005-12-20 20:08:53 +00:00
Nate Begeman
a114534620 Pattern-match return. Includes gross hack! 
llvm-svn: 24874
 2005-12-20 00:26:01 +00:00
Nate Begeman
d4562971b3 Fix a couple of the FIXMEs, thanks to suggestion from Chris. This allows 
us to load and store vectors directly at a pointer (offset of zero) by
using r0 as the base register.  This also requires some asm printer work
to satisfy the darwin assembler.

For
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
}

We now produce:
_foo:
        lvx v0, 0, r3
        vaddfp v0, v0, v0
        stvx v0, 0, r3
        blr

Instead of:
_foo:
        li r2, 0
        lvx v0, r2, r3
        vaddfp v0, v0, v0
        stvx v0, r2, r3
        blr

llvm-svn: 24872
 2005-12-19 23:40:42 +00:00
Nate Begeman
9c7dce88b5 Convert load/store over to being pattern matched 
llvm-svn: 24871
 2005-12-19 23:25:09 +00:00
Chris Lattner
0124442495 This is handled by the autogen'd code 
llvm-svn: 24834
 2005-12-18 21:06:11 +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
Chris Lattner
ba98d302be Weak and linkonce global vars should still have a .globl emitted for them 
llvm-svn: 24747
 2005-12-16 21:46:14 +00:00
Nate Begeman
69da94a1b9 Add a second vector type to the VRRC register class, and fix some patterns 
so that tablegen can infer all types.

llvm-svn: 24746
 2005-12-16 09:19:13 +00:00
Chris Lattner
890fd4e66c Update the darwin handling of linkonce & weak functions and GV stubs. This 
should work in all permutations.

llvm-svn: 24728
 2005-12-16 00:22:14 +00:00
Nate Begeman
f5ac708070 Remove a now unused statistic. 
llvm-svn: 24720
 2005-12-14 22:56:16 +00:00
Nate Begeman
fe7a3f28e3 Use the new predicate support that Evan Cheng added to remove some code 
from the DAGToDAG cpp file.  This adds pattern support for vector and
scalar fma, which passes test/Regression/CodeGen/PowerPC/fma.ll, and
does the right thing in the presence of -disable-excess-fp-precision.

Allows us to match:
void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = mul <4 x float> %tmp1, %tmp1
  %tmp3 = add <4 x float> %tmp2, %tmp1
  store <4 x float> %tmp3, <4 x float> *%a
  ret void
}

As:

_foo:
        li r2, 0
        lvx v0, r2, r3
        vmaddfp v0, v0, v0, v0
        stvx v0, r2, r3
        blr

Or, with llc -disable-excess-fp-precision,

_foo:
        li r2, 0
        lvx v0, r2, r3
        vxor v1, v1, v1
        vmaddfp v1, v0, v0, v1
        vaddfp v0, v1, v0
        stvx v0, r2, r3
        blr

llvm-svn: 24719
 2005-12-14 22:54:33 +00:00
Evan Cheng
fbc29bb3dd Added predicate !NoExcessFPPrecision to FMADD, FMADDS, FMSUB, and FMSUBS. 
llvm-svn: 24716
 2005-12-14 22:07:12 +00:00
Nate Begeman
09855eafd1 Add support for fmul node of type v4f32. 
void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = mul <4 x float> %tmp1, %tmp1
  store <4 x float> %tmp2, <4 x float> *%a
  ret void
}

Is selected to:

_foo:
        li r2, 0
        lvx v0, r2, r3
        vxor v1, v1, v1
        vmaddfp v0, v0, v0, v1
        stvx v0, r2, r3
        blr

llvm-svn: 24701
 2005-12-14 00:34:09 +00:00
Nate Begeman
1700fe3f71 Prepare support for AltiVec multiply, divide, and sqrt. 
llvm-svn: 24700
 2005-12-13 22:55:22 +00:00
Chris Lattner
95555853ad Use the shared asmprinter code for printing special llvm globals 
llvm-svn: 24695
 2005-12-13 06:32:50 +00:00
Chris Lattner
1468c52811 reindent a loop, unswitch a loop. No functionality changes 
llvm-svn: 24692
 2005-12-13 04:33:58 +00:00
Chris Lattner
6d4db7c732 Remove type casts that are no longer needed 
llvm-svn: 24661
 2005-12-11 07:45:47 +00:00
Chris Lattner
d27c96f723 Fix the JIT failures from last night. 
llvm-svn: 24659
 2005-12-11 07:37:41 +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
Nate Begeman
5c6a84b5fc Add support patterns to many load and store instructions which will 
hopefully use patterns in the near future.

llvm-svn: 24651
 2005-12-09 23:54:18 +00:00
Chris Lattner
cdeeb94947 Teach the PPC backend about the ctor and dtor list when not using __main and 
linking the entire program into one bc file.

llvm-svn: 24645
 2005-12-09 18:24:29 +00:00
Chris Lattner
9d9313e3c1 Add another important case we miss 
llvm-svn: 24639
 2005-12-08 07:13:28 +00:00
Chris Lattner
46ca9774fc Silence another annoying GCC warning 
llvm-svn: 24627
 2005-12-06 20:56:18 +00:00
Chris Lattner
68a0fed879 Use new PPC-specific nodes to represent shifts which require the 6-bit 
amount handling that PPC provides.  These are generated by the lowering code
and prevents the dag combiner from assuming (rightfully) that the shifts
don't only look at 5 bits.  This fixes a miscompilation of crafty with
the new front-end.

llvm-svn: 24615
 2005-12-06 02:10:38 +00:00
Chris Lattner
b2d4850394 Add some explicit type casts so that tblgen knows the type of the shift 
amount, which is not necessarily the same as the type being shifted.

llvm-svn: 24594
 2005-12-05 02:34:05 +00:00
Chris Lattner
e6daa0e5bc The basic fneg cases are already autogen'd 
llvm-svn: 24592
 2005-12-04 19:04:38 +00:00
Chris Lattner
f38170bbd2 Autogen matching code for ADJCALLSTACK[UP|DOWN], thanks to Evan's tblgen 
improvements.

llvm-svn: 24591
 2005-12-04 19:01:59 +00:00
Chris Lattner
a8af34937b Finish moving uncond br over to .td file, remove from .cpp file. 
llvm-svn: 24590
 2005-12-04 18:48:01 +00:00
Chris Lattner
b62b05bde6 Define BR in the .td file now that Evan made tblgen smarter. 
llvm-svn: 24589
 2005-12-04 18:42:54 +00:00
Chris Lattner
046761f312 Make sure these get added into the codegenmap when appropriate 
llvm-svn: 24566
 2005-12-01 18:09:22 +00:00