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4277 Commits

Author SHA1 Message Date
Dan Gohman
eb622df2ef Fix several more entries in the x86 reload/remat folding tables. 
llvm-svn: 42162
 2007-09-20 14:17:21 +00:00
Nick Lewycky
9edfec9b3c Excuse me. 
llvm-svn: 42158
 2007-09-20 00:57:00 +00:00
Nick Lewycky
3baa4cde1c Fix optimization. %x = sub %x, %y does not imply that %y is zero. 
llvm-svn: 42157
 2007-09-20 00:48:36 +00:00
Devang Patel
648d7a1074 Avoid unsafe promotion. 
llvm-svn: 42149
 2007-09-19 20:18:51 +00:00
Duncan Sands
159524a84f Testcase for PR1678. 
llvm-svn: 42128
 2007-09-19 07:43:17 +00:00
Evan Cheng
28a7839505 Clean up. 
llvm-svn: 42112
 2007-09-18 22:56:31 +00:00
Evan Cheng
2716b97b13 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
fd6f1faeeb rename test, it is obviously misspelled 
llvm-svn: 42108
 2007-09-18 21:42:39 +00:00
Gordon Henriksen
9deea8ed1a Tests of the ocaml (and thus C) bindings for constants. 
llvm-svn: 42101
 2007-09-18 18:07:51 +00:00
Gordon Henriksen
29fe360b5a 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
a8db66a37a (no commit message) 
llvm-svn: 42090
 2007-09-18 12:26:17 +00:00
Devang Patel
4014965efb Fix PR1657 
llvm-svn: 42075
 2007-09-18 01:54:42 +00:00
Bill Wendling
803e0d9970 Objective-C was generating EH frame info like this: 
"_-[NSString(local) isNullOrNil]".eh = 0
        .no_dead_strip  "_-[NSString(local) isNullOrNil]".eh

The ".eh" should be inside the quotes.

llvm-svn: 42074
 2007-09-18 01:47:22 +00:00
Gordon Henriksen
fa3a5915b1 Fix for PR1633: Verifier doesn't fully verify GC intrinsics 
LLVM now enforces the following prototypes for the write barriers:

<ty>* @llvm.gcread(<ty2>*, <ty>**)
void @llvm.gcwrite(<ty>*, <ty2>*, <ty>**)

And for @llvm.gcroot, the first stack slot is verified to be an alloca or a 
bitcast of an alloca.

Fixes test/CodeGen/Generic/GC/lower_gcroot.ll, which violated these.

llvm-svn: 42051
 2007-09-17 20:30:04 +00:00
Dan Gohman
2de5779a99 Instcombine x-((x/y)*y) into a remainder operator. 
llvm-svn: 42035
 2007-09-17 17:31:57 +00:00
Dan Gohman
1aeaeec570 Emit integer x<1 as x<=0, as comparisons with zero (now includeing 
64-bit) can use test instead of cmp with an immediate.

llvm-svn: 42026
 2007-09-17 14:49:27 +00:00
Dan Gohman
b9449c9118 Use "test reg,reg" in place of "cmp reg,0" for 64-bit operands. This was 
previously only done for 32-bit and smaller operands.

llvm-svn: 42024
 2007-09-17 14:35:24 +00:00
Chris Lattner
890c3898e0 remove obsolete tests. 
llvm-svn: 41984
 2007-09-15 17:38:04 +00:00
Chris Lattner
489e7aa85f New testcase for PR1662. GCC trees are horrible :( 
llvm-svn: 41979
 2007-09-15 05:46:41 +00:00
Dan Gohman
27ab14af9b Add explicit triples to avoid default behavior that varies by host. 
llvm-svn: 41959
 2007-09-14 20:37:18 +00:00
Rafael Espindola
5d8b225881 Add support for functions with byval arguments on x86 
llvm-svn: 41953
 2007-09-14 15:48:13 +00:00
Evan Cheng
0d738fff6d Fixed a typo that's causing a missing kill marker. 
llvm-svn: 41893
 2007-09-12 23:02:04 +00:00
Evan Cheng
b9a6798216 Sometimes a MI can define a register as well as defining a super-register at the 
same time. Do not mark the "smaller" def as dead.

llvm-svn: 41871
 2007-09-11 22:34:47 +00:00
Anton Korobeynikov
ed40962dc3 Fix date :) 
llvm-svn: 41870
 2007-09-11 22:20:27 +00:00
Anton Korobeynikov
c8ca85bf8f Testcase for recent pragma pack stuff 
llvm-svn: 41869
 2007-09-11 22:12:26 +00:00
Duncan Sands
c99bc3e76f Test that a call to a trampoline is turned into a call to 
the underlying nested function.

llvm-svn: 41846
 2007-09-11 15:07:50 +00:00
Chris Lattner
93ddf1dd70 Testcase for PR1634 
llvm-svn: 41824
 2007-09-11 00:39:43 +00:00
Chris Lattner
fe8bd8b113 remove obsolete testcase 
llvm-svn: 41820
 2007-09-10 23:51:41 +00:00
Chris Lattner
f08a077fa9 Fix a buggy constant folding transformation when handling aliases. 
llvm-svn: 41818
 2007-09-10 23:42:42 +00:00
Chris Lattner
c94e3e9361 Fix PR1645 by resolving forward alias references. 
llvm-svn: 41815
 2007-09-10 23:23:53 +00:00
Dale Johannesen
e017870ae6 Add missing llvm-dis. 
llvm-svn: 41813
 2007-09-10 22:47:59 +00:00
Chris Lattner
5fd9bec89d this is not infinite recursion. 
llvm-svn: 41806
 2007-09-10 21:16:23 +00:00
Chris Lattner
ab8aa7d61a Prevent tailcallelim from breaking "recursive" calls to builtins. 
llvm-svn: 41804
 2007-09-10 20:58:55 +00:00
Devang Patel
76790c1b28 Filter exit conditions which are not yet handled. 
llvm-svn: 41800
 2007-09-10 18:33:42 +00:00
Devang Patel
952baa25c2 New test. 
llvm-svn: 41799
 2007-09-10 18:12:52 +00:00
Dale Johannesen
9dfdc452d9 Implement misaligned FP loads and stores. 
llvm-svn: 41786
 2007-09-08 19:29:23 +00:00
Bill Wendling
04a6163921 Add missing index versions of instructions to the map. 
llvm-svn: 41776
 2007-09-07 22:01:02 +00:00
Dan Gohman
3bc1bc2590 Avoid storing and reloading zeros and other constants from stack slots 
by flagging the associated instructions as being trivially rematerializable.

llvm-svn: 41775
 2007-09-07 21:32:51 +00:00
Rafael Espindola
8c57e70f93 Add support for having different alignment for objects on call frames. 
The x86-64 ABI states that objects passed on the stack have
8 byte alignment. Implement that.

llvm-svn: 41768
 2007-09-07 14:52:14 +00:00
Anton Korobeynikov
899c0c9c8d Split eh.select / eh.typeid.for intrinsics into i32/i64 versions. This is needed, because they just "mark" register 
liveins and we let frontend solve type issue, not lowering code :)

llvm-svn: 41763
 2007-09-07 11:39:35 +00:00
Bill Wendling
538f8f9d7f Test for PR1641. 
llvm-svn: 41762
 2007-09-07 08:30:09 +00:00
Chris Lattner
8e6c39d961 Don't zap back to back volatile load/stores 
llvm-svn: 41759
 2007-09-07 05:33:03 +00:00
Anton Korobeynikov
0e3789f07a Proper handle case, when aliasee is external weak symbol referenced only by alias itself. 
Also, fix a case, when target doesn't have weak symbols supported.

llvm-svn: 41746
 2007-09-06 17:21:48 +00:00
Nick Lewycky
2f66503c0a When the two operands of an icmp are equal, there are five possible predicates 
that would make the icmp true. Fixes PR1637.

llvm-svn: 41740
 2007-09-06 01:10:22 +00:00
Evan Cheng
896c1ed385 Fix a bug in X86InstrInfo::convertToThreeAddress that caused it to codegen: 
leal    (,%rcx,8), %rcx
It should be
leal    (,%rcx,8), %ecx

llvm-svn: 41735
 2007-09-06 00:14:41 +00:00
Dale Johannesen
f9ca7b6094 Change all floating constants that are not exactly 
representable to use hex format.

llvm-svn: 41722
 2007-09-05 17:50:36 +00:00
Duncan Sands
2e32997f97 Testcases for PR1628. 
llvm-svn: 41719
 2007-09-05 11:53:04 +00:00
Bill Wendling
13549db795 Add the 64-bit versions of the DS* Altivec instructions. 
llvm-svn: 41717
 2007-09-05 04:05:20 +00:00
Evan Cheng
bb21883dd3 Fix for PR1632. EHSELECTION always produces a i32 value. 
llvm-svn: 41712
 2007-09-04 20:39:26 +00:00
Evan Cheng
02c6081f2d Fix for PR1613: added 64-bit rotate left PPC instructions and patterns. 
llvm-svn: 41711
 2007-09-04 20:20:29 +00:00