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Author SHA1 Message Date
Reid Spencer
3ccf5596ee Generate the correct cast opcode for constant expressions. 
llvm-svn: 32461
 2006-12-12 01:31:37 +00:00
Reid Spencer
5bc563a190 Change inferred cast creation calls to more specific cast creations. 
llvm-svn: 32460
 2006-12-12 01:17:41 +00:00
Rafael Espindola
d29cb12dfc use MVN to handle small negative constants 
llvm-svn: 32459
 2006-12-12 01:03:11 +00:00
Reid Spencer
496ce1c8c7 Don't bother upgrading this. 
llvm-svn: 32458
 2006-12-12 00:53:31 +00:00
Reid Spencer
3fbfed6e2c Implement getIntegerCast and getFPCast for ConstantExpr. These are similar 
to the createIntegerCast and createFPCast for CastInst instructions.

llvm-svn: 32457
 2006-12-12 00:51:07 +00:00
Reid Spencer
a82b285a69 Implement createIntegerCast and createFPCast factory methods for handling 
integer and floating point cast creation. createIntegerCast generates
ZExt/SExt, BitCast or Trunc. createFPCast generates FPExt, Bitcast, or
FPTrunc.

llvm-svn: 32456
 2006-12-12 00:49:44 +00:00
Reid Spencer
5b4bc02c1f Fix PR1040: 
Don't rebuild llvm-config if none of the library dependencies changed.

llvm-svn: 32455
 2006-12-12 00:43:38 +00:00
Rafael Espindola
b8163fd828 add mvn 
llvm-svn: 32454
 2006-12-12 00:37:38 +00:00
Reid Spencer
d2390e3b0a Fix the BitCastUnion type for 32-bit targets. 
llvm-svn: 32453
 2006-12-12 00:11:08 +00:00
Rafael Espindola
e3aafd29a9 add note 
llvm-svn: 32452
 2006-12-11 23:56:10 +00:00
Chris Lattner
fb4898fdd8 Another step forward in PPC64 JIT support: we now no-longer need stubs 
emitted for external globals in PPC64-JIT-PIC mode (which is good because
we didn't handle them before!).

This also fixes a bug handling the picbase delta, which we would get wrong
in some cases.

llvm-svn: 32451
 2006-12-11 23:22:45 +00:00
Reid Spencer
0ed6e66cf3 Create the cast constant expression that was read instead of attempting 
to infer the cast from its operand and type. This fixes:
test/Regression/Bytecode/2006-12-11-Cast-ConstExpr.ll

llvm-svn: 32450
 2006-12-11 23:20:20 +00:00
Reid Spencer
ae700cd02a Test case for ensuring correct reading back of cast constant expressions. 
llvm-svn: 32449
 2006-12-11 23:19:53 +00:00
Chris Lattner
7f60301c69 getInstrItineraryData shouldn't copy the itineraries 
llvm-svn: 32448
 2006-12-11 21:42:55 +00:00
Reid Spencer
f48e2567ae Fix constant folding of FP->int due to cut & paste error in last commit. 
llvm-svn: 32447
 2006-12-11 21:27:28 +00:00
Reid Spencer
3991c4af05 Add a test for constant folding of bitcast to/from floating point. 
llvm-svn: 32446
 2006-12-11 21:25:10 +00:00
Reid Spencer
6567a0ac08 Provide a test for int<->float and long<->double bitcasts. 
llvm-svn: 32445
 2006-12-11 20:40:28 +00:00
Reid Spencer
0549f720b2 Implement correct bitcast of int<->float and long<->double by using a 
union to perform the bitcast.

llvm-svn: 32444
 2006-12-11 20:39:15 +00:00
Evan Cheng
e182862c91 Re-apply changes that were backed out and fix a naughty typo. 
llvm-svn: 32442
 2006-12-11 19:27:14 +00:00
John Criswell
d5817b08f5 It seems the llvm::OStream class does not handle stream manipulators. 
For now, just grab the stream and perform the output on it directly.

llvm-svn: 32441
 2006-12-11 19:15:36 +00:00
Chris Lattner
7124b0d561 Revert changes that broke oggenc on ppc 
llvm-svn: 32440
 2006-12-11 18:53:38 +00:00
Jim Laskey
e2a261ad36 Missing opcode. 
llvm-svn: 32439
 2006-12-11 18:45:56 +00:00
Chris Lattner
f512c0d8e5 Implement correct constant folding of bitcast. This implements 
Transforms/ConstProp/bitcast.ll and fixes
SingleSource/Regression/C/2003-10-12-GlobalVarInitializers

llvm-svn: 32438
 2006-12-11 18:30:27 +00:00
Chris Lattner
e1ea74ac70 constant folding of bitcast is broken. 
llvm-svn: 32437
 2006-12-11 18:29:07 +00:00
Jim Laskey
911ae665d0 Layout proper frame for ppc64. 
llvm-svn: 32436
 2006-12-11 18:10:54 +00:00
Reid Spencer
d5ba7eadcc Provide a script that can track down which optimization pass causes 
different code to be produced between two llvm builds that differe slightly.
This is useful in tracking down mis-optimization bugs.

llvm-svn: 32435
 2006-12-11 17:42:12 +00:00
Evan Cheng
93c75d4cfb Don't convert store double C, Ptr to store long C, Ptr if i64 is not a legal type. 
llvm-svn: 32434
 2006-12-11 17:25:19 +00:00
Evan Cheng
4eebfee858 f32 / f64 node is expanded to one i32 / i64 node. 
llvm-svn: 32433
 2006-12-11 06:50:04 +00:00
Evan Cheng
44f9ec68ab Clean up some bad code. 
llvm-svn: 32432
 2006-12-11 06:25:26 +00:00
Nate Begeman
2566f75e7a Move something that should be in the dag combiner from the legalizer to the 
dag combiner.

llvm-svn: 32431
 2006-12-11 02:23:46 +00:00
Nate Begeman
b1b1aaa4e5 Properly mangles symbol table names 
Supports constant pools
Supports relocations to jump tables
Supports relocations within the data segment (global = address of global)
Allocates memory in a non-hacky for all non-code objects.

llvm-svn: 32430
 2006-12-11 02:20:45 +00:00
Nate Begeman
3d2e738f0c Add a default relocation type, and allow clients to set the ConstantVal 
field after creation.

llvm-svn: 32429
 2006-12-11 02:19:29 +00:00
Chris Lattner
6ea5a77a93 fix typo 
llvm-svn: 32428
 2006-12-11 02:16:58 +00:00
Chris Lattner
8f2a26ac12 Update note, with the SROA change, we now produce: 
_pairtest:
        movl 8(%esp), %eax
        movl 4(%esp), %ecx
        movd %eax, %xmm0
        movd %ecx, %xmm1
        addss %xmm0, %xmm1
        movl 12(%esp), %eax
        movss %xmm1, (%eax)
        ret

instead of:

_pairtest:
        subl $12, %esp
        movl 20(%esp), %eax
        movl %eax, 4(%esp)
        movl 16(%esp), %eax
        movl %eax, (%esp)
        movss (%esp), %xmm0
        addss 4(%esp), %xmm0
        movl 24(%esp), %eax
        movss %xmm0, (%eax)
        addl $12, %esp
        ret

llvm-svn: 32427
 2006-12-11 01:20:25 +00:00
Chris Lattner
28e7eaf6b8 trunc to integer, not to FP. 
llvm-svn: 32426
 2006-12-11 01:17:00 +00:00
Chris Lattner
fe54dfef65 the xform is done by scalarrepl not the code generator. 
llvm-svn: 32425
 2006-12-11 01:03:32 +00:00
Chris Lattner
a6428b2ce4 this is done 
llvm-svn: 32424
 2006-12-11 01:01:03 +00:00
Chris Lattner
48e3989461 Evan implemented the machineinstr improvements. 
The rot example works if the type is cast to ubyte.

Move sroa examples together and upgrade them to HEAD syntax.

llvm-svn: 32423
 2006-12-11 00:44:03 +00:00
Chris Lattner
a8eec08185 implement promotion of unions containing two packed types of the same width. 
This implements Transforms/ScalarRepl/union-packed.ll

llvm-svn: 32422
 2006-12-11 00:35:08 +00:00
Chris Lattner
15956c6316 new testcase 
llvm-svn: 32421
 2006-12-11 00:34:27 +00:00
Chris Lattner
e31f99af99 clarify some comments, simplify some checks, fix: 
Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll

llvm-svn: 32420
 2006-12-11 00:12:31 +00:00
Chris Lattner
04231146c0 testcase for a regression introduced by the recent cast patch 
llvm-svn: 32419
 2006-12-11 00:12:07 +00:00
Chris Lattner
098fb42690 * Eliminate calls to CastInst::createInferredCast. 
* Add support for promoting unions with fp values in them.  This produces
   our new int<->fp bitcast instructions, implementing
   Transforms/ScalarRepl/union-fp-int.ll

As an example, this allows us to compile this:

union intfloat { int i; float f; };
float invsqrt(const float arg_x) {
    union intfloat x = { .f = arg_x };
    const float xhalf = arg_x * 0.5f;
    x.i = 0x5f3759df - (x.i >> 1);
    return x.f * (1.5f - xhalf * x.f * x.f);
}

into:

_invsqrt:
        movss 4(%esp), %xmm0
        movd %xmm0, %eax
        sarl %eax
        movl $1597463007, %ecx
        subl %eax, %ecx
        movd %ecx, %xmm1
        mulss LCPI1_0, %xmm0
        mulss %xmm1, %xmm0
        movss LCPI1_1, %xmm2
        mulss %xmm1, %xmm0
        subss %xmm0, %xmm2
        movl 8(%esp), %eax
        mulss %xmm2, %xmm1
        movss %xmm1, (%eax)
        ret

instead of:

_invsqrt:
        subl $4, %esp
        movss 8(%esp), %xmm0
        movss %xmm0, (%esp)
        movl (%esp), %eax
        movl $1597463007, %ecx
        sarl %eax
        subl %eax, %ecx
        movl %ecx, (%esp)
        mulss LCPI1_0, %xmm0
        movss (%esp), %xmm1
        mulss %xmm1, %xmm0
        mulss %xmm1, %xmm0
        movss LCPI1_1, %xmm2
        subss %xmm0, %xmm2
        mulss %xmm2, %xmm1
        movl 12(%esp), %eax
        movss %xmm1, (%eax)
        addl $4, %esp
        ret

llvm-svn: 32418
 2006-12-10 23:56:50 +00:00
Chris Lattner
a1bb8bb3cc new testcase 
llvm-svn: 32417
 2006-12-10 23:52:28 +00:00
Reid Spencer
fe7dfe16ee Regenerate. 
llvm-svn: 32416
 2006-12-10 23:29:19 +00:00
Anton Korobeynikov
e76b69846d Cleaned setjmp/longjmp lowering interfaces. Now we're producing right 
code (both asm & cbe) for Mingw32 target.
Removed autoconf checks for underscored versions of setjmp/longjmp.

llvm-svn: 32415
 2006-12-10 23:12:42 +00:00
Chris Lattner
7a39524d63 make statistics and timing info print even if the JIT'd program calls exit 
instead of returning from main.

llvm-svn: 32414
 2006-12-10 19:01:52 +00:00
Jim Laskey
3fa703d088 Reverting until finding the cause of secondary bugs. 
llvm-svn: 32413
 2006-12-10 13:09:42 +00:00
Jim Laskey
a8f4c1d137 __PPC64CompilationCallback code was allowing registers to be clobbered by stub. 
llvm-svn: 32412
 2006-12-10 12:13:31 +00:00
Chris Lattner
6df6fa3694 fix PR1039 by making timing info be destroyed by llvm_shutdown, not by 
static dtors.

llvm-svn: 32411
 2006-12-10 07:40:46 +00:00