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20183 Commits

Author SHA1 Message Date
Dale Johannesen
f1fc3a8fa6 Fix PR 1681. When X86 target uses +sse -sse2, 
keep f32 in SSE registers and f64 in x87.  This
is effectively a new codegen mode.
Change addLegalFPImmediate to permit float and
double variants to do different things.
Adjust callers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 14:52:20 +00:00
Chris Lattner
96b207c380 Fix PR1679, by printing GEP indices as signed values instead of unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-22 20:16:48 +00:00
Chris Lattner
b690a005c1 initialize isstore/isload fields in ctor, fixing PR1695 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42222 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-22 07:02:12 +00:00
Neil Booth
c8db43ddaf Handle storage complications of float->float conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-22 02:56:19 +00:00
Dale Johannesen
910993e8dc Change APFloat::convertFromInteger to take the incoming 
bit width instead of number of words allocated, which
makes it actually work for int->APF conversions.
Adjust callers.  Add const to one of the APInt constructors
to prevent surprising match when called with const
argument.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42210 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 22:09:37 +00:00
Devang Patel
3f65f02d25 Fix PR1692 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42209 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 21:18:19 +00:00
Chris Lattner
27725bf13f #ifdef out unsafe tracing code, which fixes PR1689 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42205 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 18:30:39 +00:00
Chris Lattner
c369bd7c50 don't read Block after it is freed. This fixes PR1684 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42204 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 18:25:53 +00:00
Chris Lattner
dfe8934258 initialize SetCCResultContents, fixing PR1693 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42193 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 17:06:39 +00:00
Rafael Espindola
a37ac9ff53 Don't add a default STACK_ALIGN (use the generic ABI alignment) 
Implement calls to functions with byval arguments on X86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42192 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 15:50:22 +00:00
Rafael Espindola
1242d28093 small cleanup: use LowerMemArgument in LowerFastCCArguments also 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42189 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 14:55:38 +00:00
Owen Anderson
ce4d88aa64 Add partial caching of non-local memory dependence queries. This provides a modest 
speedup for GVN.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42185 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 03:53:52 +00:00
Evan Cheng
76a4023096 Honor user-defined section specification of a global, ignores whether its initializer is null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42182 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 00:41:19 +00:00
Dale Johannesen
a72a5a095d Fix PR 1688. See comments there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42181 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 23:47:58 +00:00
Devang Patel
9ee49c541b Update aux. info associated with an instruction before erasing instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42180 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 23:45:50 +00:00
Devang Patel
0f0daea654 Do not override user specified section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42179 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 23:07:37 +00:00
Devang Patel
d15dd8c525 Don't increment invalid iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42178 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 23:01:50 +00:00
Dale Johannesen
4bf6ac5f40 Fix dumb regression in constant folding (Regression/C/casts) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42165 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 16:50:21 +00:00
Dan Gohman
a4ddacf60b Fix several more entries in the x86 reload/remat folding tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42162 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 14:17:21 +00:00
Dale Johannesen
41de436ca3 another long double buglet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42159 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 01:27:54 +00:00
Nick Lewycky
e29578afd5 Fix optimization. %x = sub %x, %y does not imply that %y is zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42157 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 00:48:36 +00:00
Evan Cheng
17207ddf38 Enable if-conversion for ARM by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42156 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 00:48:22 +00:00
Dale Johannesen
73328d14ac More long double fixes. x86_64 should build now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42155 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 23:55:34 +00:00
Evan Cheng
e71bff7405 Avoid referencing deleted instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42153 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 21:48:07 +00:00
Devang Patel
f2038b1d93 Avoid unsafe promotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42149 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 20:18:51 +00:00
Evan Cheng
fab7eff0fa PSHUFDmi, etc. are actually folding a load, not a store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42147 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 19:02:47 +00:00
Dale Johannesen
f4d4832724 Fix longdouble -> uint conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42143 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 17:53:26 +00:00
Chris Lattner
6693da003b reject things like "declare internal @foo" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42140 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 17:14:45 +00:00
Owen Anderson
742f9b6682 Add a flag to mark a dirty cache entry. This is not yet used, but will eventually 
help non-local memdep caching.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42137 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 16:13:57 +00:00
Dale Johannesen
ac1220551f Fix some long double issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42133 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 14:22:58 +00:00
Duncan Sands
46318cdfd0 Improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42132 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 10:25:38 +00:00
Duncan Sands
7801644332 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42131 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 10:16:17 +00:00
Duncan Sands
892c7e4a23 A global variable with external weak linkage can be null, while 
an alias could alias such a global variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42130 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 10:10:31 +00:00
Evan Cheng
713a98dee8 Use struct SDep instead of std::pair for SUnit pred and succ lists. First step 
in tracking physical register output dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42125 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 01:38:40 +00:00
Evan Cheng
dcfa73fe3c Set CCR (EFLAGS) copy cost to -1, i.e. extremely expensive to copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42124 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 01:36:39 +00:00
Evan Cheng
a3ca3149f2 Add CopyCost to TargetRegisterClass. This specifies the cost of copying a value 
between two registers in the specific class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42123 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 01:35:01 +00:00
Devang Patel
babbe27007 Relax loop ExitCondition predicate restriction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42122 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 00:28:47 +00:00
Devang Patel
968eee2aa7 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();
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42121 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 00:15:16 +00:00
Devang Patel
84ef08bfee Bail out early, before modifying anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42120 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 00:11:01 +00:00
Devang Patel
4e062e520a Work is incomplete. Loop is not modified at all right now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42119 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 00:08:13 +00:00
Devang Patel
0f2fb60a18 ooops... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42118 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 23:58:14 +00:00
Evan Cheng
e0480d2ec2 Fix a bogus splat xform: 
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42111 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 21:54:37 +00:00
Dale Johannesen
c7b21d520a Prevent crash on long double. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42103 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 18:36:59 +00:00
Gordon Henriksen
344be5fbec Tests of the ocaml (and thus C) bindings for constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42101 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 18:07:51 +00:00
Dan Gohman
869b2b2c23 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42094 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 14:59:14 +00:00
Gordon Henriksen
b5085212b0 Incorporating review feedback for GC verifier patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42087 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 10:14:30 +00:00
Bill Wendling
ce613280f9 Don't pass back a reference to a temporary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42086 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 09:10:16 +00:00
Bill Wendling
5f19cf5df8 The exception handling function info should be reset for each new 
function. The information isn't used heavily -- it's only used at the end
of exception handling emission -- so there's no need to cache it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42078 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 05:03:44 +00:00
Gordon Henriksen
8b94a14a78 C bindings for libLLVMCore.a and libLLVMBitWriter.a. 
- The naming prefix is LLVM.
- All types are represented using opaque references.
- Functions are not named LLVM{Type}{Method}; the names became
  unreadable goop. Instead, they are named LLVM{ImperativeSentence}.
- Where an attribute only appears once in the class hierarchy (e.g.,
  linkage only applies to values; parameter types only apply to
  function types), the class is omitted from identifiers for
  brevity. Tastes like methods.
- Strings are C strings or string/length tuples on a case-by-case
  basis.
- APIs which give the caller ownership of an object are not mapped
  (removeFromParent, certain constructor overloads). This keeps
  keep memory management as simple as possible.

For each library with bindings:

  llvm-c/<LIB>.h       - Declares the bindings.
  lib/<LIB>/<LIB>.cpp  - Implements the bindings.

So just link with the library of your choice and use the C header
instead of the C++ one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42077 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 03:18:57 +00:00
Devang Patel
e3bfb88898 Fix PR1657 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42075 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 01:54:42 +00:00