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Author SHA1 Message Date
Bill Wendling
07f3cdb8ba I cast, therefore I think I know what I'm doing. 
llvm-svn: 70151
 2009-04-26 20:12:38 +00:00
Bill Wendling
d0a7587da5 Use uint64_t instead of unsigned. 
llvm-svn: 70148
 2009-04-26 19:46:41 +00:00
Chris Lattner
4685a9682f revert an incorrect patch. This causes crashes all over the place on a 
64-bit build.

llvm-svn: 70147
 2009-04-26 19:44:20 +00:00
Bill Wendling
2233793a0f Suppress warnings about conversion shortening 64-bit to 32-bit. 
llvm-svn: 70138
 2009-04-26 18:10:20 +00:00
Sanjiv Gupta
0877e1eabe Any size of integral indices are allowed in gep for indexing into sequential types. Also adding a test case to check the indices type allowed into struct. 
llvm-svn: 70134
 2009-04-26 17:14:35 +00:00
Chris Lattner
d31285fdb7 improve documentation on build configurations, patch by 
Josef Eisl!

llvm-svn: 70087
 2009-04-25 22:24:49 +00:00
Chris Lattner
92716db3bb add testcase for strange types of gep indices 
llvm-svn: 70085
 2009-04-25 22:20:49 +00:00
Chris Lattner
46c25c1285 Add a new TypeBuilder helper class, which eases making LLVM IR types. 
Patch by Jeffrey Yasskin!

llvm-svn: 70084
 2009-04-25 22:14:04 +00:00
Chris Lattner
f1cc8abdda improve documentation around memory lifetimes, 
patch by Jeffrey Yasskin!

llvm-svn: 70083
 2009-04-25 22:10:06 +00:00
Chris Lattner
6d2e830ad8 aDd support for building a subset of the llvm tools, patch by Jeffrey Yasskin! 
llvm-svn: 70082
 2009-04-25 22:08:52 +00:00
Chris Lattner
f795b63fb2 testcase and asmparser fix for PR4066 
llvm-svn: 70080
 2009-04-25 21:26:00 +00:00
Chris Lattner
034358326a Allow aliasee to be a GEP or bitcast instead of just a bitcast. 
The real fix for this whole mess is to require the operand of the
alias to be a *GlobalValue* (not a general constant, including 
constant exprs) but allow the operand and the alias type to be
unrelated.

This fixes PR4066

llvm-svn: 70079
 2009-04-25 21:23:19 +00:00
Chris Lattner
c23e28732d Update docs to not mention gcse/loadvn and mention memdep and 
new stuff.  PR3924.

llvm-svn: 70077
 2009-04-25 21:11:37 +00:00
Bill Wendling
bbd2110a60 Use intptr_t. 
llvm-svn: 70076
 2009-04-25 21:06:53 +00:00
Mon P Wang
e001e33842 size() should return a size_t; avoids a warning for 64 bit machines. 
llvm-svn: 70072
 2009-04-25 20:46:59 +00:00
Evan Cheng
cd5a58a3e4 Reuse unused val#'s to avoid running out of memory in extreme cases. 
llvm-svn: 70069
 2009-04-25 20:20:15 +00:00
Chris Lattner
aad8bd245f DenseMap.h needs <new> because it explicitly calls operator new/delete. 
Patch by John McCall!

llvm-svn: 70068
 2009-04-25 19:50:14 +00:00
Chris Lattner
d68b203337 Fix PR4040: APInt's string constructor is too strict 
patch by Jeff Yasskin!

llvm-svn: 70058
 2009-04-25 18:34:04 +00:00
Chris Lattner
b47e34ac59 add support for detecting process features on win64, patch by 
Nicolas Capens!

llvm-svn: 70057
 2009-04-25 18:27:23 +00:00
Dan Gohman
1031d09a38 Refactor the code to grab the low and high parts of a value 
using EXTRACT_ELEMENT into a utility function.

llvm-svn: 70056
 2009-04-25 17:55:53 +00:00
Dan Gohman
d13f1a3b59 Return null instead of false, as appropriate. 
llvm-svn: 70054
 2009-04-25 17:28:45 +00:00
Dan Gohman
a7fae1f865 Add several more icmp simplifications. Transform signed comparisons 
into unsigned ones when the operands are known to have the same
sign bit value.

llvm-svn: 70053
 2009-04-25 17:12:48 +00:00
Dan Gohman
60349bb21e Add a top-level comment about DAGCombiner's role in the compiler. 
llvm-svn: 70052
 2009-04-25 17:09:45 +00:00
Dan Gohman
9eb5ba6eb7 Handle ands with 0 and shifts by 0 correctly. These aren't 
common, but indvars shouldn't crash on them. This fixes PR4054.

llvm-svn: 70051
 2009-04-25 17:05:40 +00:00
Torok Edwin
285a5fb1d5 Fix g++-4.4.0 warning, it was causing llvm-nm to fail on wrapped BC files: 
Path.cpp:59: warning: case label value exceeds maximum value for type
magic[0] is a (signed) char, but some case values are unsigned (e.g. 0xde).
When magic[0] was 0xde, the switch has taken the default branch instead of case
0xde branch.
Apparently this was the behaviour with older versions of gcc too, but not with g++.
Now g++-4.4 behaves as gcc, and ignores unsigned case values out of range signed
range.

llvm-svn: 70038
 2009-04-25 10:25:12 +00:00
Evan Cheng
696a04eba2 Do not share a single unknown val# for all the live ranges merged into a physical sub-register live interval. When coalescer is merging in clobbered virtaul register live interval into a physical register live interval, give each virtual register val# a separate val# in the physical register live interval. Otherwise, the coalescer would have lost track of the definitions information it needs to make correct coalescing decisions. 
llvm-svn: 70026
 2009-04-25 09:25:19 +00:00
Sanjiv Gupta
9093a67350 Fixed the gep example for i16 type indices. 
llvm-svn: 70019
 2009-04-25 07:27:44 +00:00
Bob Wilson
162870a4b3 Change LowerCallResult method so that CCValAssign::BCvt can be used with 
f64 types.  This is not used for anything yet.

llvm-svn: 70006
 2009-04-25 00:33:20 +00:00
Dale Johannesen
493c3bcdc0 Fix PR 4057, a crash doing float->char const folding. 
This particular one is undefined behavior (although this
isn't related to the crash), so it will no longer do it
at compile time, which seems better.

llvm-svn: 69990
 2009-04-24 21:34:13 +00:00
Bob Wilson
0ac8a0cf95 Adjust a comment to reflect what the code does. Splitting a 64-bit argument 
between registers and the stack may be required with the APCS ABI, but it
isn't tied to using a particular version of the ARM architecture.

llvm-svn: 69978
 2009-04-24 17:05:01 +00:00
Bob Wilson
2a47f01759 Fix up some problems with getCopyToReg and getCopyFromReg nodes being 
chained and "flagged" together.  I also made a few changes to handle the
chain and flag values more consistently.  I found these problems by
inspection so I'm not aware of anything that breaks because of them
(thus no testcase).

llvm-svn: 69977
 2009-04-24 17:00:36 +00:00
Gabor Greif
228f28e1ac Use a bigger hammer to coerce subversion into english. 
Patch by Benjamin Kramer!

llvm-svn: 69976
 2009-04-24 17:00:03 +00:00
David Greene
a28b42f818 Fix multiclass inheritance to limit value resolution to new defs added 
by base multiclasses.  Do not attempt to alter defs from previous base
multiclasses.  This fixes multiple multiclass inheritance.

llvm-svn: 69974
 2009-04-24 16:55:41 +00:00
Bob Wilson
1067abd956 Remove unnecessary references to f32 types. After specifying that f32 
should be bit-converted to i32, it is sufficient to list only i32 in
subsequent definitions.

llvm-svn: 69973
 2009-04-24 16:55:25 +00:00
Rafael Espindola
b01a03d6d5 Add LTO_SYMBOL_DEFINITION_WEAKUNDEF, use that on the gold plugin. 
llvm-svn: 69972
 2009-04-24 16:55:21 +00:00
Sanjiv Gupta
14c405828e Fixed spaces and the getelementpointer example with i16 type indices. 
llvm-svn: 69971
 2009-04-24 16:38:13 +00:00
Rafael Espindola
4e7a0bf1f1 Fix PR 4004 by including the call to __tls_get_addr in X86tlsaddr. This is not 
very elegant, but neither is the tls specification :-(

llvm-svn: 69968
 2009-04-24 12:59:40 +00:00
Rafael Espindola
0b1037ad26 Revert 69952. Causes testsuite failures on linux x86-64. 
llvm-svn: 69967
 2009-04-24 12:40:33 +00:00
Chris Lattner
961e0a34e0 fix a typo noticed by duncan 
llvm-svn: 69962
 2009-04-24 06:37:12 +00:00
Chris Lattner
e90528cac5 "I got annoyed at the compiler warnings from ConstantInt::get(Ty, -1, 
true), and casts make me nervous and are verbose anyway, so here's a
ConstantInt::getSigned(Ty, int64_t) method. Just overloading
ConstantInt::get() to take an int64_t too would cause ambiguous
overload errors."

Patch by Jeffrey Yasskin!

llvm-svn: 69958
 2009-04-24 05:30:14 +00:00
Nate Begeman
c1a09c7dfa PR2957 
ISD::VECTOR_SHUFFLE now stores an array of integers representing the shuffle
mask internal to the node, rather than taking a BUILD_VECTOR of ConstantSDNodes
as the shuffle mask.  A value of -1 represents UNDEF.

In addition to eliminating the creation of illegal BUILD_VECTORS just to 
represent shuffle masks, we are better about canonicalizing the shuffle mask,
resulting in substantially better code for some classes of shuffles.

A clean up of x86 shuffle code, and some canonicalizing in DAGCombiner is next.

llvm-svn: 69952
 2009-04-24 03:42:54 +00:00
Dan Gohman
63dab69b36 Instead of requiring TLI.LowerCallTo to return an ISD::BUILD_PAIR, 
use ISD::EXTRACT_ELEMENT. SelectionDAG has a special fast-path for
the cast of an EXTRACT_ELEMENT with a BUILD_PAIR operand, for the
common case.

llvm-svn: 69948
 2009-04-24 02:40:23 +00:00
Sanjiv Gupta
f1177e1be7 Allow i16 type indices to gep. 
llvm-svn: 69946
 2009-04-24 02:37:54 +00:00
Dan Gohman
9d13b714f5 Factor out a bit of code that appears in several places into a 
utility function.

llvm-svn: 69937
 2009-04-23 23:13:24 +00:00
Dan Gohman
313018c1d3 Handle Void types in ComputeValueVTs. This doesn't currently occur, 
but this change makes the code more general and easier to adapt for
new purposes.

llvm-svn: 69935
 2009-04-23 22:50:03 +00:00
Dan Gohman
46ab8008a8 Fix spurious indentation in a comment. 
llvm-svn: 69934
 2009-04-23 22:41:05 +00:00
David Greene
ddac45edb9 Fix a documentation bug. 
llvm-svn: 69923
 2009-04-23 21:27:58 +00:00
David Greene
a92a50c7c2 Make BinOps typed and require a type specifier for !nameconcat. This 
allows binops to be used in typed contexts such as when passing
arguments to classes.

llvm-svn: 69921
 2009-04-23 21:25:15 +00:00
Evan Cheng
ff776c8193 Update comments. 
llvm-svn: 69919
 2009-04-23 20:39:31 +00:00
Evan Cheng
f20fb20367 Fix an obvious type. 
llvm-svn: 69918
 2009-04-23 20:18:13 +00:00