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34363 Commits

Author SHA1 Message Date
Dale Johannesen 146a0ea071 Fix PR 1688. See comments there. 
llvm-svn: 42181
 2007-09-20 23:47:58 +00:00
Devang Patel 83cc3f8f51 Update aux. info associated with an instruction before erasing instruction. 
llvm-svn: 42180
 2007-09-20 23:45:50 +00:00
Devang Patel d29f938335 Do not override user specified section. 
llvm-svn: 42179
 2007-09-20 23:07:37 +00:00
Devang Patel 6117a3b696 Don't increment invalid iterator. 
llvm-svn: 42178
 2007-09-20 23:01:50 +00:00
Duncan Sands 416b9f0410 Testcase for PR1678. 
llvm-svn: 42171
 2007-09-20 18:56:24 +00:00
Evan Cheng 723dab1005 Disable if-conversion for this test. 
llvm-svn: 42170
 2007-09-20 18:06:22 +00:00
Evan Cheng 77d4771405 -enable-arm-if-conversion is gone. 
llvm-svn: 42169
 2007-09-20 18:03:23 +00:00
Dale Johannesen cc7c475705 Fix dumb regression in constant folding (Regression/C/casts) 
llvm-svn: 42165
 2007-09-20 16:50:21 +00:00
Gordon Henriksen d1e1645a4e Regenerate. 
llvm-svn: 42164
 2007-09-20 16:48:18 +00:00
Gordon Henriksen 1f982339e7 Incorporating review feedback for GC verifier patch. 
llvm-svn: 42163
 2007-09-20 16:47:41 +00:00
Dan Gohman 4dbc582a36 Fix several more entries in the x86 reload/remat folding tables. 
llvm-svn: 42162
 2007-09-20 14:17:21 +00:00
Gabor Greif 4a46052d30 use typenames equivalent to 
(u)intval, because latter are not
present in older caml/mlvalues.h
(e.g. 2004/07/07, 1.48.6.1)

Using this as a workaround for now,
until --without-ocaml works
or we settle on a better solution

llvm-svn: 42160
 2007-09-20 10:20:34 +00:00
Dale Johannesen 95be037d67 another long double buglet 
llvm-svn: 42159
 2007-09-20 01:27:54 +00:00
Nick Lewycky e7be16a053 Excuse me. 
llvm-svn: 42158
 2007-09-20 00:57:00 +00:00
Nick Lewycky eae7e7d00b Fix optimization. %x = sub %x, %y does not imply that %y is zero. 
llvm-svn: 42157
 2007-09-20 00:48:36 +00:00
Evan Cheng 8010320365 Enable if-conversion for ARM by default. 
llvm-svn: 42156
 2007-09-20 00:48:22 +00:00
Dale Johannesen 7d67e547b5 More long double fixes. x86_64 should build now. 
llvm-svn: 42155
 2007-09-19 23:55:34 +00:00
Evan Cheng d0e360e16e Avoid referencing deleted instruction. 
llvm-svn: 42153
 2007-09-19 21:48:07 +00:00
Ted Kremenek ebc5500e50 Previously GraphWriter assumed operator*() for node_iterator always 
returned a reference type.  This patch allows operator*() to return a
non-reference type while still maintaining the old behavior when it
does return a reference type.

This patch was motivated when I tried to use "df_iterator" (see
llvm/ADT/DepthFirstIterator.h) as a "node_iterator", as df_iterator
does not return a reference type and thus we would get a compilation
error when trying to take the address of a temporary.

llvm-svn: 42151
 2007-09-19 21:26:49 +00:00
Devang Patel 464276f831 Avoid unsafe promotion. 
llvm-svn: 42149
 2007-09-19 20:18:51 +00:00
Evan Cheng 513874cf3c PSHUFDmi, etc. are actually folding a load, not a store. 
llvm-svn: 42147
 2007-09-19 19:02:47 +00:00
Dale Johannesen b59d25fe54 Fix longdouble -> uint conversion. 
llvm-svn: 42143
 2007-09-19 17:53:26 +00:00
Chris Lattner d79f3d51b1 reject things like "declare internal @foo" 
llvm-svn: 42140
 2007-09-19 17:14:45 +00:00
Owen Anderson c201cbc802 Add a flag to mark a dirty cache entry. This is not yet used, but will eventually 
help non-local memdep caching.

llvm-svn: 42137
 2007-09-19 16:13:57 +00:00
Dale Johannesen f4bad97ea0 Fix some long double issues. 
llvm-svn: 42133
 2007-09-19 14:22:58 +00:00
Duncan Sands d31649bc59 Improve comment. 
llvm-svn: 42132
 2007-09-19 10:25:38 +00:00
Duncan Sands a38e527523 Partial fix for PR1678: correct some parts of constant 
fold that were missed in the fix for PR1646.  Probably
this null/not-null logic should be factorized somewhere.

llvm-svn: 42131
 2007-09-19 10:16:17 +00:00
Duncan Sands 56df7dec2b A global variable with external weak linkage can be null, while 
an alias could alias such a global variable.

llvm-svn: 42130
 2007-09-19 10:10:31 +00:00
Gabor Greif ef858c9ff6 include alloca.h if available. this helps Solaris, but intnat and uintnat types are still undefined, causing errors 
llvm-svn: 42129
 2007-09-19 09:29:58 +00:00
Duncan Sands 4e426623f5 Testcase for PR1678. 
llvm-svn: 42128
 2007-09-19 07:43:17 +00:00
Evan Cheng 0effc3a6b8 Use struct SDep instead of std::pair for SUnit pred and succ lists. First step 
in tracking physical register output dependencies.

llvm-svn: 42125
 2007-09-19 01:38:40 +00:00
Evan Cheng 17f589f76e Set CCR (EFLAGS) copy cost to -1, i.e. extremely expensive to copy. 
llvm-svn: 42124
 2007-09-19 01:36:39 +00:00
Evan Cheng f73fb6261b Add CopyCost to TargetRegisterClass. This specifies the cost of copying a value 
between two registers in the specific class.

llvm-svn: 42123
 2007-09-19 01:35:01 +00:00
Devang Patel 69a55a38ed Relax loop ExitCondition predicate restriction. 
llvm-svn: 42122
 2007-09-19 00:28:47 +00:00
Devang Patel 455a53b7db Filter loops where split condition's false branch is not empty. For example 
for (int i = 0; i < N; ++i) {
  if (i == somevalue)
    dosomething();
   else
    dosomethingelse();
}

llvm-svn: 42121
 2007-09-19 00:15:16 +00:00
Devang Patel 4c238c451f Bail out early, before modifying anything. 
llvm-svn: 42120
 2007-09-19 00:11:01 +00:00
Devang Patel 31f2c8592c Work is incomplete. Loop is not modified at all right now. 
llvm-svn: 42119
 2007-09-19 00:08:13 +00:00
Devang Patel ee35011d01 ooops... 
llvm-svn: 42118
 2007-09-18 23:58:14 +00:00
Evan Cheng e7ff9da64b Clean up. 
llvm-svn: 42112
 2007-09-18 22:56:31 +00:00
Evan Cheng e2e8f2d96b Fix a bogus splat xform: 
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>

llvm-svn: 42111
 2007-09-18 21:54:37 +00:00
Gabor Greif 49122edc98 rename test, it is obviously misspelled 
llvm-svn: 42108
 2007-09-18 21:42:39 +00:00
Dale Johannesen af12b57405 Prevent crash on long double. 
llvm-svn: 42103
 2007-09-18 18:36:59 +00:00
Gordon Henriksen dc88c06732 Tests of the ocaml (and thus C) bindings for constants. 
llvm-svn: 42101
 2007-09-18 18:07:51 +00:00
Dan Gohman 8cca8469de Move the entries for 64-bit CMP, IMUL, and a few others into the correct 
tables so that they are eligible for reload/remat folding. And add
entries for JMP and CALL.

llvm-svn: 42094
 2007-09-18 14:59:14 +00:00
Gordon Henriksen 37582f74cd Adding ocaml language bindings for the vmcore and bitwriter libraries. These are 
built atop the C language bindings, and user programs can link with them as 
such:

  # Bytecode
  ocamlc -cc g++ llvm.cma llvmbitwriter.cma -o example example.ml
  # Native
  ocamlopt -cc g++ llvm.cmxa llvmbitwriter.cmxa -o example.opt example.ml

The vmcore.ml test exercises most/all of the APIs thus far bound. Unfortunately,
they're not yet numerous enough to write hello world. But:

  $ cat example.ml
  (* example.ml *)
  
  open Llvm
  open Llvm_bitwriter
  
  let _ =
    let filename = Sys.argv.(1) in
    let m = create_module filename in
    
    let v = make_int_constant i32_type 42 false in
    let g = define_global "hello_world" v m in
    
    if not (write_bitcode_file m filename) then exit 1;
    
    dispose_module m;

  $ ocamlc -cc g++ llvm.cma llvm_bitwriter.cma -o example example.ml
  File "example.ml", line 11, characters 6-7:
  Warning Y: unused variable g.
  $ ./example example.bc
  $ llvm-dis < example.bc
  ; ModuleID = '<stdin>'
  @hello_world = global i32 42            ; <i32*> [#uses=0]

The ocaml test cases provide effective tests for the C interfaces.

llvm-svn: 42093
 2007-09-18 12:49:39 +00:00
Gordon Henriksen 4c7ca7d61e Regenerate. 
llvm-svn: 42092
 2007-09-18 12:27:13 +00:00
Gordon Henriksen c0f56013e1 (no commit message) 
llvm-svn: 42091
 2007-09-18 12:26:59 +00:00
Gordon Henriksen 5c4d7b8052 (no commit message) 
llvm-svn: 42090
 2007-09-18 12:26:17 +00:00
Gordon Henriksen be6bd16418 Incorporating review feedback for GC verifier patch. 
llvm-svn: 42087
 2007-09-18 10:14:30 +00:00
Bill Wendling e8c885f261 Don't pass back a reference to a temporary. 
llvm-svn: 42086
 2007-09-18 09:10:16 +00:00