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25 Commits

Author SHA1 Message Date
Benjamin Kramer
8e0d1c03ca Make MemoryBuiltins aware of TargetLibraryInfo. 
This disables malloc-specific optimization when -fno-builtin (or -ffreestanding)
is specified. This has been a problem for a long time but became more severe
with the recent memory builtin improvements.

Since the memory builtin functions are used everywhere, this required passing
TLI in many places. This means that functions that now have an optional TLI
argument, like RecursivelyDeleteTriviallyDeadFunctions, won't remove dead
mallocs anymore if the TLI argument is missing. I've updated most passes to do
the right thing.

Fixes PR13694 and probably others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162841 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-29 15:32:21 +00:00
Chad Rosier
6871d1eceb Add a few functions to TargetLibraryInfo as part of PR13574. 
Patch by Weiming Zhao <weimingz@codeaurora.org>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162329 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-21 23:28:56 +00:00
Bob Wilson
d1e672e023 Add new getLibFunc method to TargetLibraryInfo. 
This just provides a way to look up a LibFunc::Func enum value for a
function name.  Alphabetize the enums and function names so we can use a
binary search.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161231 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-03 04:06:22 +00:00
Nuno Lopes
51004dff92 make all Emit*() functions consult the TargetLibraryInfo information before creating a call to a library function. 
Update all clients to pass the TLI information around.
Previous draft reviewed by Eli.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160733 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-25 16:46:31 +00:00
Nuno Lopes
8d32463a9f add a few more functions to TargetLibraryInfo: 
fputc, memchr, memcmp, putchar, puts, strchr, strncmp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160690 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-24 21:00:36 +00:00
Nuno Lopes
0841e63ede TargetLibraryInfo: add strn?cat, strn?cpy, and strn?len 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160678 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-24 17:25:06 +00:00
Joe Groff
d5bda5ec66 fix pr12559: mark unavailable win32 math libcalls 
also fix SimplifyLibCalls to use TLI rather than compile-time conditionals to enable optimizations on floor, ceil, round, rint, and nearbyint

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154960 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-17 23:05:54 +00:00
Nick Lewycky
6a7df9aae6 Remove redundant getAnalysis<> calls in GlobalOpt. Add a few Itanium ABI calls 
to TargetLibraryInfo and use one of them in GlobalOpt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150323 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-12 02:15:20 +00:00
David Blaikie
2d24e2a396 Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-20 02:50:00 +00:00
Owen Anderson
243eb9ecbb Enhance both TargetLibraryInfo and SelectionDAGBuilder so that the latter can use the former to prevent the formation of libm SDNode's when -fno-builtin is passed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146193 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-08 22:15:21 +00:00
Chad Rosier
fbd828d8e1 Add missing functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145608 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-01 18:26:19 +00:00
Chad Rosier
32b6c59ad0 Add a few more functions to TargetLibraryInfo. More of rdar://10500969. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145596 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-01 17:54:37 +00:00
Chad Rosier
8ff4115ef0 Add a few functions to TargetLibraryInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145508 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-30 19:19:00 +00:00
Chad Rosier
683e47b1dd Alphabetize TargetLibraryInfo enum and fix doxygen comments. No functional 
change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-30 01:51:49 +00:00
Chad Rosier
3d925d24e8 Add support for sqrt, sqrtl, and sqrtf in TargetLibraryInfo. Disable 
(fptrunc (sqrt (fpext x))) -> (sqrtf x) transformation if -fno-builtin is 
specified.
rdar://10466410

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145460 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 23:57:10 +00:00
Eli Friedman
9d434dbff3 Add support for custom names for library functions in TargetLibraryInfo. Add a custom name for fwrite and fputs on x86-32 OSX. Make SimplifyLibCalls honor the custom 
names for fwrite and fputs.

Fixes <rdar://problem/9815881>.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144876 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-17 01:27:36 +00:00
Duncan Sands
9fe88973be Enable printf() to iprintf() optimization for the TCE target. 
Patch by Pekka Jaaskelainen. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132774 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-09 11:11:45 +00:00
Chris Lattner
40f5fbcc5c add a copy ctor to TargetLibraryInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131806 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-21 20:09:13 +00:00
Daniel Dunbar
558692fd0a ADT/Triple: Renambe isOSX... methods to isMacOSX for consistency with the OS 
triple component.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129838 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-20 00:14:25 +00:00
Daniel Dunbar
13fb3b5706 Target: Eliminate a use of getDarwinMajorNumber(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129803 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-19 20:44:08 +00:00
Richard Osborne
022708f221 Optimize fprintf -> iprintf if there are no floating point arguments 
and siprintf is available on the target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126940 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:20:22 +00:00
Richard Osborne
419454ad37 Optimize sprintf -> siprintf if there are no floating point arguments 
and siprintf is available on the target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:09:28 +00:00
Richard Osborne
3649824bec Optimize printf -> iprintf if there are no floating point arguments 
and iprintf is available on the target. Currently iprintf is only
marked as being available on the XCore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126935 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 13:17:51 +00:00
Chris Lattner
188a7e00e7 add a way to disable all builtins, wire it up to opt's -disable-simplifylibcalls flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 22:34:03 +00:00
Chris Lattner
ce99120084 introduce a new TargetLibraryInfo pass, which transformations can use to 
query about available library functions.  For now this just has 
memset_pattern16, which exists on darwin, but it can be extended for a 
bunch of other things in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125965 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 21:50:34 +00:00