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Author SHA1 Message Date
Owen Anderson
bd82277cbb Major think-o. Iterate over all live out-of-loop values, and perform the 
other calculations on each individually, rather than trying to delay it and do
them all at the end.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28527 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-28 19:33:28 +00:00
Owen Anderson
2f21e07915 Make LCSSA insert proper Phi nodes throughout the rest of the CFG by computing 
the iterated Dominance Frontier of the loop-closure Phi's.  This is the
second phase of the LCSSA pass.  The third phase (coming soon) will be to
update all uses of loop variables to use the loop-closure Phi's instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28524 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 18:47:11 +00:00
Chris Lattner
8d8d6530b1 Fix some regression from the inliner patch I committed last night. This fixes 
ldecod, lencod, and SPASS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28523 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 17:28:13 +00:00
Chris Lattner
5b5bc3032f Switch the inliner over to using CloneAndPruneFunctionInto. This effectively 
makes it so that it constant folds instructions on the fly.  This is good
for several reasons:

0. Many instructions are constant foldable after inlining, particularly if
   inlining a call with constant arguments.
1. Without this, the inliner has to allocate memory for all of the instructions
   that can be constant folded, then a subsequent pass has to delete them.  This
   gets the job done without this extra work.
2. This makes the inliner *pass* a bit more aggressive: in particular, it
   partially solves a phase order issue where the inliner would inline lots
   of code that folds away to nothing, but think that the resultant function
   is big because of this code that will be gone.  Now the code never exists.

This is the first part of a 2-step process.  The second part will be smart
enough to see when this implicit constant folding propagates a constant into
a branch or switch instruction, making CFG edges dead.

This implements Transforms/Inline/inline_constprop.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28521 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:28:04 +00:00
Chris Lattner
a5135ba0c9 Ignore generated files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28520 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:23:30 +00:00
Chris Lattner
83f03bfc3f Implement a new method, CloneAndPruneFunctionInto, as documented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28519 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:22:24 +00:00
Chris Lattner
4b30fcb5f5 Refactor some code to expose an interface to constant fold and instruction given it's opcode, typeand operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 01:18:04 +00:00
Chris Lattner
729c6d1da8 Fix a nasty dag combiner bug that caused nondeterminstic crashes (MY FAVORITE!): 
SimplifySelectOps would eliminate a Select, delete it, then return true.

The clients would see that it did something and return null.

The top level would see a null return, and decide that nothing happened,
proceeding to process the node in other ways: boom.

The fix is simple: clients of SimplifySelectOps should return the select
node itself.

In order to catch really obnoxious boogs like this in the future, add an
assert that nodes are not deleted.  We do this by checking for a sentry node
type that the SDNode dtor sets when a node is destroyed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28514 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 00:43:02 +00:00
Owen Anderson
a90b2c7240 A few small clean-ups, and the addition of an LCSSA statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28512 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-27 00:31:37 +00:00
Evan Cheng
d61c4820c9 Make CALL node consistent with RET node. Signness of value has type MVT::i32 
instead of MVT::i1. Either is fine except MVT::i32 is probably a legal type
for most (if not all) platforms while MVT::i1 is not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28511 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:13:20 +00:00
Evan Cheng
6848be1a27 Change RET node to include signness information of the return values. i.e. 
RET chain, value1, sign1, value2, sign2, ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28510 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:10:12 +00:00
Evan Cheng
8e7d056bc5 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28509 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:09:09 +00:00
Owen Anderson
fc3a3bc64b Fix a copy-and-paste-o that would break some compilers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28507 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:19:17 +00:00
Owen Anderson
2480737211 Clean up and refactor LCSSA a bunch. It should also run faster now, though 
there's still a lot of work to be done on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28506 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 21:11:53 +00:00
Evan Cheng
3fddf241d8 Vector argument must be passed in memory location aligned on 16-byte boundary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28505 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 20:37:47 +00:00
Evan Cheng
1d6a9b3b6c Mac OS X ABI document lied. The first four XMM registers are used to pass 
vector arguments, not three.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28504 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:22:06 +00:00
Chris Lattner
b4db97ffa7 Implement Transforms/InstCombine/store.ll:test2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28503 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:19:20 +00:00
Chris Lattner
a65371ea25 Fix a bug in the bc reader/writer: we were not correctly encoding varargs 
nonccc calls (we were dropping the CC and tail flag).  This broke several
FORTRAN programs.

Testcase here: Regression/Assembler/2006-05-26-VarargsCallEncode.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28501 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:42:34 +00:00
Evan Cheng
052fb5110f Minor update to make the code more clear 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28499 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:39:59 +00:00
Evan Cheng
f9d62dc6e5 Update more comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28498 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:37:16 +00:00
Evan Cheng
f9ff7c54be Fix some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28497 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:25:43 +00:00
Evan Cheng
6f707999a1 No need to handle illegal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28496 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:22:49 +00:00
Owen Anderson
11f510b577 Skeletal LCSSA pass. This is currently non-functional. Expect functionality 
and documentation updates soo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28495 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 13:58:26 +00:00
Rafael Espindola
a1334cdfb2 On ARM, alignment is in bits 
Add lr as a hard coded operand of bx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28494 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 10:56:17 +00:00
Evan Cheng
138a24e4d4 Remove a couple of bogus casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28493 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 08:04:31 +00:00
Evan Cheng
00aff7d977 Remove a bogus cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28492 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 08:00:14 +00:00
Evan Cheng
57c0788e02 Minor bug caught by Ashwin Chandra 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28491 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 06:22:34 +00:00
Chris Lattner
7b2e2792d6 Transform things like (splat(splat)) -> splat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28490 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 00:29:06 +00:00
Chris Lattner
863bcff183 Introduce a helper function that simplifies interpretation of shuffle masks. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28489 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:48:38 +00:00
Evan Cheng
cc1fc220a0 Consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28488 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:31:23 +00:00
Chris Lattner
01575b7315 Turn (cast (shuffle (cast)) -> shuffle (cast) if it reduces the # casts in 
the program.  This exposes more opportunities for the instcombiner, and implements
vec_shuffle.ll:test6


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28487 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:24:33 +00:00
Chris Lattner
73fa49d697 extract element from a shuffle vector can be trivially turned into an 
extractelement from the SV's source.  This implement vec_shuffle.ll:test[45]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28485 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:53:38 +00:00
Evan Cheng
25e71d10a0 Some clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28483 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:38:31 +00:00
Chris Lattner
8b5fbc5cd4 Add support for the missing FP condition codes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28482 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:26:02 +00:00
Evan Cheng
a9bb445db0 Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28481 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:25:52 +00:00
Evan Cheng
932ad51fea X86 / Cygwin asm / alignment fixes. 
Patch contributed by Anton Korobeynikov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28480 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:59:08 +00:00
Chris Lattner
99f2af2dee Revert a patch that is unsafe, due to out of range array accesses in inner 
array scopes possibly accessing valid memory in outer subscripts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28478 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 21:25:12 +00:00
Evan Cheng
6b5783d0b1 Build breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28475 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 18:56:34 +00:00
Chris Lattner
8e2a04e21d Fix build failure of povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28473 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 18:06:16 +00:00
Chris Lattner
5d634ce466 Fix Benchmarks/MallocBench/cfrac 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28471 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 16:54:16 +00:00
Rafael Espindola
2f99b6bd96 implement initial version of ARMAsmPrinter::printOperand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28470 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 12:57:06 +00:00
Rafael Espindola
c3c1a86aa0 port the ARM backend to use ISD::CALL instead of LowerCallTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28469 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 11:00:18 +00:00
Evan Cheng
3b78823868 Turn on -sched-commute-nodes by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28465 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 08:37:31 +00:00
Evan Cheng
32fe1035a7 Switch X86 over to a call-selection model where the lowering code creates 
the copyto/fromregs instead of making the X86ISD::CALL selection code create
them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:59:30 +00:00
Evan Cheng
4360bdcf1f CALL node change (arg / sign pairs instead of just arguments). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:57:32 +00:00
Evan Cheng
f6d62c2e2a CALL node change: now including signness of every argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28461 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:55:32 +00:00
Evan Cheng
6a3d5a62f0 Assert if InflightSet is not cleared after instruction selecting a BB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28459 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:24:28 +00:00
Evan Cheng
afe358e7d4 Clear HandleMap and ReplaceMap after instruction selection. Or it may cause 
non-deterministic behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28454 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 20:46:25 +00:00
Reid Spencer
19b7e0e0ca For PR786: 
Minor tweaks in public headers and a few .cpp files so that LLVM can build
successfully with -pedantic and projects using LLVM with -pedantic don't
get warnings from LLVM. There's still more -pedantic warnings to fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28453 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 19:21:13 +00:00
Reid Spencer
077b387207 For PR786: 
Remove a spurious ;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28452 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 19:05:21 +00:00
Chris Lattner
a04c0c417b Patch for a new instcombine xform, patch contributed by Nick Lewycky! 
This implements Transforms/InstCombine/2006-05-10-InvalidIndexUndef.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:34:30 +00:00
Chris Lattner
d74ea2bbd8 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28447 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:04:05 +00:00
Chris Lattner
2ef5e89dc9 Fix CodeGen/Generic/vector.ll:test_div with altivec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28445 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:15:25 +00:00
Chris Lattner
5734012375 Handle SETO* like we handle SET*, restoring behavior after Evan's setcc 
change.  This fixes PowerPC/fnegsel.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28443 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:06:44 +00:00
Chris Lattner
0c54d8964d Print struct return functions and calls as actually returning the hidden 
argument struct pointer, enabling ABI compatibility for the CBE with
platforms with strange struct-return ABIs.  This fixes 252.eon and
CoyoteBench/fftbench on Darwin/X86 among other things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28442 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 23:39:48 +00:00
Chris Lattner
c6d0567324 Fix file header comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 23:20:42 +00:00
Evan Cheng
4db3af3511 Better way to check for vararg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:08:24 +00:00
Evan Cheng
25caf63cd2 Remove PreprocessCCCArguments and PreprocessFastCCArguments now that 
FORMAL_ARGUMENTS nodes include a token operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:06:34 +00:00
Chris Lattner
2d2970905c Implement an annoying part of the Darwin/X86 abi: the callee of a struct 
return argument pops the hidden struct pointer if present, not the caller.

For example, in this testcase:

struct X { int D, E, F, G; };
struct X bar() {
  struct X a;
  a.D = 0;
  a.E = 1;
  a.F = 2;
  a.G = 3;
  return a;
}
void foo(struct X *P) {
  *P = bar();
}

We used to emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
        addl $28, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
        ret

This is correct on Linux/X86 but not Darwin/X86.  With this patch, we now
emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
***     addl $24, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
***     ret $4

For the record, GCC emits (which is functionally equivalent to our new code):

_bar:
        movl    4(%esp), %eax
        movl    $3, 12(%eax)
        movl    $2, 8(%eax)
        movl    $1, 4(%eax)
        movl    $0, (%eax)
        ret     $4
_foo:
        pushl   %esi
        subl    $40, %esp
        movl    48(%esp), %esi
        leal    16(%esp), %eax
        movl    %eax, (%esp)
        call    _bar
        subl    $4, %esp
        movl    16(%esp), %eax
        movl    %eax, (%esi)
        movl    20(%esp), %eax
        movl    %eax, 4(%esi)
        movl    24(%esp), %eax
        movl    %eax, 8(%esi)
        movl    28(%esp), %eax
        movl    %eax, 12(%esi)
        addl    $40, %esp
        popl    %esi
        ret

This fixes SingleSource/Benchmarks/CoyoteBench/fftbench with LLC and the
JIT, and fixes the X86-backend portion of PR729.  The CBE still needs to
be updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:50:38 +00:00
Evan Cheng
80235d508e -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:18:46 +00:00
Vladimir Prus
124729155d Fix missing include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28435 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 13:43:15 +00:00
Evan Cheng
f6f9581983 Incorrect SETCC CondCode used for FP comparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28433 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:40:47 +00:00
Evan Cheng
95942d76f4 Added option -enable-finite-only-fp-math. When on, the codegen can assume that 
FP arithmetic arguments and results are never NaNs or +=Infs. This includes
ignoring parity flag (PF) when checking for FP equality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:39:12 +00:00
Rafael Espindola
4b442b528a implement minimal versions of 
ARMAsmPrinter::runOnMachineFunction
LowerFORMAL_ARGUMENTS
ARMInstrInfo::isMoveInstr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 02:48:20 +00:00
Evan Cheng
435bcd7f5f A isel deficiency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28427 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-22 05:54:49 +00:00
Evan Cheng
3c380e71e1 Back out indirect branch load folding hack. It broke some tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28425 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 06:28:50 +00:00
Chris Lattner
e8263e6437 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28424 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 03:57:07 +00:00
Owen Anderson
bcd8a8264e Make TargetData strings less redundant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28423 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 23:28:54 +00:00
Chris Lattner
01859e8853 Silence a bogus gcc warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28422 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 23:14:03 +00:00
Chris Lattner
f489fb24f2 Fix a parsing bug that caused 7 llvm-test regressions on PPC last night. 
I'm suprised it didn't cause more!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28421 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 21:16:59 +00:00
Evan Cheng
4f7f71de43 - Use of load's chain result should be redirected to load's chain operand. 
If it reads the chain result of the call, then the use, callseq_start,
  and call would form a cycle!
- Don't forget handle node replacement!
- There could also be a TokenFactor between the load and the callseq_start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28420 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 09:21:39 +00:00
Evan Cheng
0d23bc4666 A new entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28419 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 07:44:53 +00:00
Evan Cheng
6b2e254437 Missing break statements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28418 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 07:44:28 +00:00
Evan Cheng
fb914c43ba Remove unused patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28417 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 01:40:16 +00:00
Evan Cheng
b245d92328 Handle indirect call which folds a load manually. This never matches by 
the TableGen generated code since the load's chain result is read by
the callseq_start node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28416 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 01:36:52 +00:00
Owen Anderson
8f7f4cc1ae Sparc is big-endian. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28415 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 00:49:30 +00:00
Owen Anderson
d988b32aba Make all of the TargetMachine subclasses use the new string TargetData methods. 
This is part of the on-going work on PR 761.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28414 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 00:24:56 +00:00
Chris Lattner
0deaab89fe Print csretcc calls like this: 
call csretcc void %structret( { sbyte }* %P )

instead of this:

        callcsretcc  void %structret( { sbyte }* %P )


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28412 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:58:52 +00:00
Chris Lattner
ebf8e6cd92 Fix misencoding of calling conventions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28411 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:57:37 +00:00
Chris Lattner
7dd29aadf9 pretty print csretcc for calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28410 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:54:03 +00:00
Chris Lattner
cdbaeb52ae CSRet allows varargs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28409 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:34:04 +00:00
Chris Lattner
25f88aa7ad Asmprint csret nicely 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28408 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:29:57 +00:00
Chris Lattner
7546619743 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28407 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:28:53 +00:00
Chris Lattner
515906d106 Add support for parsing csret 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28406 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:28:34 +00:00
Chris Lattner
80105ddf51 csret functions can be varargs (as can target cc's). Verify restrictions on 
csret functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28405 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:25:17 +00:00
Chris Lattner
f00f68ad0d Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:01:38 +00:00
Chris Lattner
778ae71f37 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28401 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 20:55:31 +00:00
Chris Lattner
c11ab17a8e Split the SSE readme items out into their own README. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28400 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 20:51:43 +00:00
Chris Lattner
2420d81247 Split FP-stack notes out of the main readme. Next up: splitting out SSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 20:45:52 +00:00
Chris Lattner
870cf1b715 Move a target-independent note out of the X86 readme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28398 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 20:45:08 +00:00
Chris Lattner
de050a7509 Particularly ugly code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28397 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 19:41:33 +00:00
Reid Spencer
bc2eba1ca2 Fix a doxygen problem and break lines at 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28395 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 19:09:46 +00:00
Evan Cheng
6de0163201 These can be transformed into lea as well. Not that we use this feature 
currently...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28393 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 18:43:41 +00:00
Evan Cheng
09e3c80984 - Use exact-width integer types, e.g. int32_t, to avoid confusion. 
- Fix a couple of minor bugs in i16immSExt8 and i16immZExt8.
- Added loadiPTR fragment used for indirect jumps and calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28392 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 18:40:54 +00:00
Evan Cheng
fc8feb184e Explicitly specify MOV32mi can only be used store 32-bit GV, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28390 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 07:30:36 +00:00
Rafael Espindola
dc124a234a implement movri 
add a stub LowerFORMAL_ARGUMENTS


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28388 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 21:45:49 +00:00
Evan Cheng
ffd4364bb0 Added a Flags field to TargetOperandInfo. Currently the only flag is 
M_LOOK_UP_PTR_REG_CLASS which allows the register class of the operand to be
resolved via a callback at runtime.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28387 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 20:44:26 +00:00
Evan Cheng
21d03f2de0 lib/Target/Target.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28386 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 20:42:07 +00:00
Chris Lattner
16abfdfc22 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28384 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 18:26:13 +00:00
Chris Lattner
3f705e660a add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28383 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 17:38:16 +00:00