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Commit Graph

25 Commits

Author SHA1 Message Date
Nick Lewycky
9178be6059 Update the list of function annotations for nocapture. All of these came up
when I was looking at functions used by python.

Highlights include, better largefile support (64-bit file sizes on 32-bit
systems), fputs string is nocapture, popen/pclose added (popen being noalias
return), modf and frexp and friends. Also added some missing 'break' statements
and combined identical sections.

llvm-svn: 64615
2009-02-15 22:47:25 +00:00
Nick Lewycky
0a8e13fd8b Mark strto* as readonly when the endptr is null.
llvm-svn: 64460
2009-02-13 17:08:33 +00:00
Nick Lewycky
7ec551cfad On strtod and friends, mark 'endptr' nocapture in the function prototype, and
mark the first argument nocapture if endptr=NULL for each particular call.

llvm-svn: 64453
2009-02-13 15:31:46 +00:00
Nick Lewycky
1a40fb2473 Don't mark all args to strtod and friends as nocapture.
llvm-svn: 64352
2009-02-12 03:18:34 +00:00
Nick Lewycky
39fcb513ca Fix copy and pasted typos that prevented strtok_r, realloc, getenv, ungetc,
putc, puts, perror, vscanf and vsscanf from getting annotations.

Add annotations for eight printf functions, memalign, pread and pwrite.

On Linux, llvm-gcc sometimes renames strdup, getc, putc, strtok_r, scanf and
sscanf. Match the alternate function names.

Fix a crash annotating opendir.

Don't mark fsetpos's second parameter as nocapture. It's supposed to be
captured.

Do mark fopen's path and mode strings as nocapture. Mark ferror as readonly,
but not fileno which may set errno.

llvm-svn: 62456
2009-01-18 04:34:36 +00:00
Nick Lewycky
5616407df7 Move the libcall annotating part from doFinalization to doInitialization.
Finalization occurs after all the FunctionPasses in the group have run, which
is clearly not what we want.

This also means that we have to make sure that we apply the right param 
attributes when creating a new function.

Also, add a missed optimization: strdup and strndup. NoCapture and 
NoAlias return!

llvm-svn: 61658
2009-01-05 00:07:50 +00:00
Nick Lewycky
6685977938 Run a post-pass that marks known function declarations by name.
llvm-svn: 61632
2009-01-04 20:27:34 +00:00
Nick Lewycky
8fd2389593 Turn strcmp into memcmp, such as strcmp(P, "x") --> memcmp(P, "x", 2).
llvm-svn: 61297
2008-12-21 00:19:21 +00:00
Eli Friedman
2bc3921ce2 Optimize memmove and memset into the LLVM builtins. Note that these
only show up in code from front-ends besides llvm-gcc, like clang.

llvm-svn: 60287
2008-11-30 08:32:11 +00:00
Chris Lattner
08bdf9dfab reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an
arbitrary integer width for the count.

llvm-svn: 59823
2008-11-21 16:42:48 +00:00
Bill Wendling
4c5afef830 Revert r59802. It was breaking the build of llvm-gcc:
g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic'
make[3]: *** [llvm-convert.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2

llvm-svn: 59809
2008-11-21 09:09:41 +00:00
Sanjiv Gupta
89a7e67578 Make mem[cpy,move,set] intrinsics overloaded.
llvm-svn: 59802
2008-11-21 07:49:09 +00:00
Dale Johannesen
bbd799c544 Add intrinsic forms of pow and exp2. The non-intrinsic
forms remain to handle older IR files, but will go away soon.

llvm-svn: 55781
2008-09-04 18:30:46 +00:00
Dan Gohman
e1f9be27bc Tidy up several unbeseeming casts from pointer to intptr_t.
llvm-svn: 55779
2008-09-04 17:05:41 +00:00
Eric Christopher
dcd4752642 Have IRBuilder take a template argument on whether or not to preserve
names. This can save a lot of allocations if you aren't going to be
looking at the output.

llvm-svn: 54546
2008-08-08 19:39:37 +00:00
Evan Cheng
2005804de6 - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.
- Correctly handle memcpy from constant string which is zero-initialized.

llvm-svn: 52891
2008-06-30 07:31:25 +00:00
Anton Korobeynikov
6f260767ec Revert (52748 and friends):
Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

llvm-svn: 52884
2008-06-29 17:57:03 +00:00
Eric Christopher
155c3679f6 Remove unused function.
llvm-svn: 52749
2008-06-26 01:19:35 +00:00
Chris Lattner
ac4fe3f51c Fix the crash on SimplifyLibCalls/2005-05-20-sprintf-crash.ll
llvm-svn: 52295
2008-06-16 04:10:21 +00:00
Chris Lattner
806f0a8411 lower calls to abs to inline code, PR2337
llvm-svn: 52138
2008-06-09 08:26:51 +00:00
Duncan Sands
7b84c36791 Fix PR2341 - when the length is 4 use an i32 not
an i16!  Cleaned up trailing whitespace while there.

llvm-svn: 51240
2008-05-19 09:27:24 +00:00
Bill Wendling
5234187c50 Fix: Some classes were derived from a class in an anonymous namespace, but they
themselves weren't in the anonymous namespace.

llvm-svn: 50673
2008-05-05 21:37:59 +00:00
Chris Lattner
96467cc665 strength reduce exp2 into ldexp, rdar://5852514
llvm-svn: 50586
2008-05-02 18:43:35 +00:00
Chris Lattner
ab0c73a95c 1) add '-debug' output
2) Return NULL instead of false in several places for tidiness.
3) fix a bug optimizing  sprintf(p, "%c", x)

llvm-svn: 50521
2008-05-01 06:39:12 +00:00
Chris Lattner
be2bafbe92 Delete the IPO simplify-libcalls and completely reimplement it as
a FunctionPass.  This makes it simpler, fixes dozens of bugs, adds
a couple of minor features, and shrinks is considerably: from
2214 to 1437 lines.

llvm-svn: 50520
2008-05-01 06:25:24 +00:00