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Author SHA1 Message Date
Chris Lattner
504c367af9 trip count computation deficiency 
llvm-svn: 51222
 2008-05-17 15:37:38 +00:00
Bill Wendling
568cd9c076 On Darwin, the string header file isn't 64-bit clean. The use of 
"-Wshorten-64-to-32 -Werror" will cause a failure when compiling this complex
program:

#include <string>

class Path {
  mutable std::string path;
public:
  bool operator == (const Path &that) {
    return path == that.path;
  }
};

Using strcmp gets us past this annoying error.

llvm-svn: 51218
 2008-05-17 09:10:40 +00:00
Nick Lewycky
baa90d4eef Unbreak the build. 
llvm-svn: 51217
 2008-05-17 09:05:22 +00:00
Nick Lewycky
1df40102a9 Constant fold inttoptr and ptrtoint. 
llvm-svn: 51216
 2008-05-17 09:03:26 +00:00
Nick Lewycky
6f3744c685 Move isTrueWhenEqual to ICmpInst. 
llvm-svn: 51215
 2008-05-17 07:33:39 +00:00
Dale Johannesen
415dc434d6 Less conservative verison of previous patch, 
suggested by Duncan.

llvm-svn: 51211
 2008-05-16 23:18:52 +00:00
Dale Johannesen
12b968dd1e Add CommonLinkage, in a way that preserves the 
behavior on old .bc files.

llvm-svn: 51210
 2008-05-16 22:46:40 +00:00
Dale Johannesen
5da4b3ee8b Add CommonLinkage to lto (treated same as weak AFAICT) 
and llvm-nm (prints as C).

llvm-svn: 51209
 2008-05-16 22:44:18 +00:00
Dale Johannesen
002f76dcec Add CommonLinkage. 
llvm-svn: 51208
 2008-05-16 22:42:11 +00:00
Dale Johannesen
b2411740b7 Weak functions not declared non-throwing might be 
replaced at linktime with a body that throws, even
if the body in this file does not.  Make PruneEH
be more conservative in this case.
g++.dg/eh/weak1.C

llvm-svn: 51207
 2008-05-16 21:31:48 +00:00
Eric Christopher
11359e9b1c Add functions to enable adding a single attribute to a function and 
its associated call site.

llvm-svn: 51204
 2008-05-16 20:39:43 +00:00
Dale Johannesen
16fa5c08cb Record weak external linkage in a case where we were 
missing it. gcc.dg/darwin-weakimport-2.c.
Handle common and weak differently for darwin ppc32.

llvm-svn: 51201
 2008-05-16 20:09:25 +00:00
Gabor Greif
d61f20217a API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 
llvm-svn: 51200
 2008-05-16 19:29:10 +00:00
Evan Cheng
538403664e If the result of a BIT_CONVERT is a v1* vector, it doesn't mean its source is a v1* vector. 
llvm-svn: 51192
 2008-05-16 17:19:05 +00:00
Evan Cheng
76aaaf62e8 Fix test. 
llvm-svn: 51191
 2008-05-16 17:08:51 +00:00
Duncan Sands
e77eede842 Bill pointed out that system headers should be 
included after local headers.

llvm-svn: 51187
 2008-05-16 09:30:00 +00:00
Duncan Sands
a018f1f47e Silence the compiler warning differently. The 
original method caused gcc-4.2 to complain.

llvm-svn: 51186
 2008-05-16 09:19:16 +00:00
Evan Cheng
2ad66b343d Re-enable tail duplication pass (now with default threshold down to 1 instruction). 
llvm-svn: 51184
 2008-05-16 07:57:10 +00:00
Evan Cheng
ffbaf56075 Do not dup malloc, vector instructions, etc. Throttle the default theshold way down. 
llvm-svn: 51183
 2008-05-16 07:55:50 +00:00
Owen Anderson
6fbcec4778 Remove ADCE's ability to delete loops. This ability is now implemented in a 
safer manner by loop deletion.

llvm-svn: 51182
 2008-05-16 04:34:51 +00:00
Owen Anderson
55b78bc887 Move this test from ADCE to loop deletion, where it is more appropriate. 
llvm-svn: 51181
 2008-05-16 04:34:19 +00:00
Owen Anderson
79a25ff8ec Use loop deletion instead of ADCE in these tests. 
llvm-svn: 51180
 2008-05-16 04:33:37 +00:00
Owen Anderson
791223eac7 Clean ups for loop deletion based on Chris' feedback. 
Also, use SCEV to determine the trip count of the loop, which is more powerful
and accurate that Loop::getTripCount.

llvm-svn: 51179
 2008-05-16 04:32:45 +00:00
Owen Anderson
d282184d18 Use loop deletion instead of ADCE for removing loops. 
llvm-svn: 51178
 2008-05-16 04:27:38 +00:00
Owen Anderson
3e607df2f8 Fix this test. It was testing broken behavior in that it required ADCE to eliminate 
a potentially infinite loop, which is undesirable.  Instead, test the LICM behavior
that we're really interested in.

llvm-svn: 51177
 2008-05-16 04:25:09 +00:00
Chris Lattner
00e8e1e258 implement PR2328. 
llvm-svn: 51176
 2008-05-16 02:59:42 +00:00
Dale Johannesen
4e46c5601d Use common where we mean common, not weak. 
llvm-svn: 51173
 2008-05-16 00:52:30 +00:00
Dale Johannesen
ebc511c6aa Treat common as distinct from weak global on Darwin x86. 
llvm-svn: 51172
 2008-05-16 00:52:06 +00:00
Dan Gohman
fe7f6bc9ce Revert the change from r51157 in 
test/Verifier/2002-11-05-GetelementptrPointers.ll, which was incorrect.
Instead, fix getIndexedType to not follow pointer types, as
PointerType is a subclass of CompositeType.

llvm-svn: 51171
 2008-05-16 00:16:32 +00:00
Dan Gohman
1760a08221 Update comments based on Duncan's feedback. 
llvm-svn: 51170
 2008-05-15 23:35:32 +00:00
Dan Gohman
2da4145cd8 Fix a bug in LoopStrengthReduce that caused it to emit IR with 
use-before-def. The problem comes up in code with multiple PHIs where
one PHI is being rewritten in terms of the other, but the other needs
to be casted first. LLVM rules requre the cast instruction to be
inserted after any PHI instructions, but when instructions were
inserted to replace the second PHI value with a function of the first,
they were ended up going before the cast instruction. Avoid this
problem by remembering the location of the cast instruction, when one
is needed, and inserting the expansion of the new value after it.

This fixes a bug that surfaced in 255.vortex on x86-64 when
instcombine was removed from the middle of the loop optimization
passes. 

llvm-svn: 51169
 2008-05-15 23:26:57 +00:00
Dale Johannesen
247e20c532 Remove the S92 code, which really has nothing to do 
with what the test is testing; makes it pass again on ppc32.

llvm-svn: 51167
 2008-05-15 22:23:54 +00:00
Dale Johannesen
f464bece2d Evan has implemented this on ppc, so run the test there. 
llvm-svn: 51166
 2008-05-15 22:22:37 +00:00
Evan Cheng
73dadf21ce Fix typos and comments. 
llvm-svn: 51165
 2008-05-15 22:13:02 +00:00
Dale Johannesen
8e66b309b4 Allow an extra bit for CommonLinkage. 
This changes the .bc file format, but if I understand
how it works correctly, old .bc files continue to
be readable.

llvm-svn: 51161
 2008-05-15 20:49:28 +00:00
Nate Begeman
b38ee2e03b Actually scalarize the operand to BIT_CONVERT instead of asking someone to do 
something with a v1 type.

llvm-svn: 51160
 2008-05-15 20:40:58 +00:00
Steve Naroff
1a31342bae Reverting r51100...I need to use VC++ 2005. 
llvm-svn: 51159
 2008-05-15 20:09:48 +00:00
Dan Gohman
821bf58428 IR support for extractvalue and insertvalue instructions. Also, begin 
moving toward making structs and arrays first-class types.

llvm-svn: 51157
 2008-05-15 19:50:34 +00:00
Dan Gohman
48ac9aec33 Use static and anonymous namespaces consistently with other passes. 
llvm-svn: 51156
 2008-05-15 19:43:55 +00:00
Devang Patel
58e01a3a2e Revert 51067 check-in for now. 
llvm-svn: 51155
 2008-05-15 18:46:28 +00:00
Devang Patel
66480d1c07 Remove useless check. 
Patch by Matthijs Kooijman.

llvm-svn: 51154
 2008-05-15 18:04:29 +00:00
Evan Cheng
d86d86bbdf Disable JIT symbol table for now. 
llvm-svn: 51152
 2008-05-15 17:31:35 +00:00
Duncan Sands
130254e1ff Use of UINT_MAX requires climits, at least when 
compiling with gcc 4.3.

llvm-svn: 51145
 2008-05-15 11:22:50 +00:00
Gabor Greif
48ffb6c7dc Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 
llvm-svn: 51143
 2008-05-15 10:04:30 +00:00
Evan Cheng
778a5e27b0 Make use of vector load and store operations to implement memcpy, memmove, and memset. Currently only X86 target is taking advantage of these. 
llvm-svn: 51140
 2008-05-15 08:39:06 +00:00
Evan Cheng
0a854f3b63 Remove tail duplication pass. 
llvm-svn: 51139
 2008-05-15 07:43:15 +00:00
Nate Begeman
253fc69ff3 Move the operator new and operator delete out of line. This fixes an issue with 
operator new() referring to the static initTags function, which has to be in the 
same linkage unit as any file including User.h.

llvm-svn: 51136
 2008-05-15 01:23:11 +00:00
Dale Johannesen
809ad5df81 Don't assume underlying APInt type is limited 
to 64 bits.

llvm-svn: 51135
 2008-05-14 22:53:25 +00:00
Bill Wendling
c1d9f9604b Situations can arise when you have a function called that returns a 'void', but 
is bitcast to return a floating point value. The result of the instruction may
not be used by the program afterwards, and LLVM will happily remove all
instructions except the call. But, on some platforms, if a value is returned as
a floating point, it may need to be removed from the stack (like x87). Thus, we
can't get rid of the bitcast even if there isn't a use of the value.

llvm-svn: 51134
 2008-05-14 22:45:20 +00:00
Dale Johannesen
b9d2bc9303 Remove undefined behavior in hex string->APFloat 
conversion.  Try 0x1.0000a4p+0f.  Neil, please review.

llvm-svn: 51132
 2008-05-14 22:05:31 +00:00