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40944 Commits

Author SHA1 Message Date
Owen Anderson 6110128ed5 Make the definition of the noalias attribute clearer. 
llvm-svn: 47255
 2008-02-18 04:09:01 +00:00
Owen Anderson c66655e14c Duncan pointed out that we can fast fail here, because the sret parameter of 
a function must be the first parameter.

llvm-svn: 47254
 2008-02-18 04:06:26 +00:00
Owen Anderson 57a98b7f4b Fix a comment, and a bug where we weren't applying the tail call logic in cases that failed the first test. 
llvm-svn: 47253
 2008-02-18 03:52:21 +00:00
Owen Anderson fa2ba5352f Fix bugs that Chris noticed in my last patch. 
llvm-svn: 47252
 2008-02-18 02:31:23 +00:00
Chris Lattner 0e7fd2f1a8 simplify some code, BreakUpSubtract always returns nonnull now. 
llvm-svn: 47251
 2008-02-18 02:18:25 +00:00
Chris Lattner 8432cc662f bitcasts of pointers are always pointers. 
If we see a memcpy of a pointer, make sure to check later
uses of the pointer as well.

llvm-svn: 47250
 2008-02-18 02:11:28 +00:00
Owen Anderson e41efc7a6d Add support for setting parameters to CallSite. 
llvm-svn: 47249
 2008-02-18 00:10:55 +00:00
Owen Anderson c64dfb4317 Add a predicate to Argument to check for the StructRet attribute. 
llvm-svn: 47248
 2008-02-17 23:22:28 +00:00
Owen Anderson 2e3edf193a Teach getModRefInfo that memcpy, memmove, and memset don't "capture" memory addresses. 
Also, noalias arguments are be considered "like" stack allocated ones for this purpose, because
the only way they can be modref'ed is if they escape somewhere in the current function.

llvm-svn: 47247
 2008-02-17 21:29:08 +00:00
Nate Begeman d8c4156172 Turn handling of parameter attributes back on, fixing the ObjC breakage 
llvm-svn: 47246
 2008-02-17 21:20:31 +00:00
Nate Begeman d811e74786 Revert this temporarily, it's breaking objc :/ 
llvm-svn: 47245
 2008-02-17 21:04:23 +00:00
Chris Lattner cc22601bc3 Fold (-x + -y) -> -(x+y) which promotes better association, fixing 
the second half of PR2047

llvm-svn: 47244
 2008-02-17 21:03:36 +00:00
Nate Begeman f0e4a52211 Handle parameter attributes 
llvm-svn: 47243
 2008-02-17 21:02:04 +00:00
Chris Lattner 5f08ec854f fix pasto 
llvm-svn: 47242
 2008-02-17 20:54:40 +00:00
Chris Lattner a70d138457 Split up subtracts into add+negate if they have a reassociable use or operand 
that is also a subtract.  This implements PR2047 and Transforms/Reassociate/subtest2.ll 

llvm-svn: 47241
 2008-02-17 20:51:26 +00:00
Chris Lattner 2de8c2d41f upgrade and simplify this test. 
llvm-svn: 47240
 2008-02-17 20:48:43 +00:00
Chris Lattner 902537cd8d make the logic for breaking up subtracts more explicit, no 
functionality change.

llvm-svn: 47239
 2008-02-17 20:44:51 +00:00
Tanya Lattner f697c03883 Remove llvm-upgrade. 
llvm-svn: 47238
 2008-02-17 20:02:20 +00:00
Chris Lattner 1f6520842c move PR2053 to here. 
llvm-svn: 47237
 2008-02-17 19:43:57 +00:00
Chris Lattner b080ed504e Fix PR2042. One remaining issue: we don't currently diagnose 
int foobar(int);
 int foobar() {}

which requires ifdef'ing out a testcase in predefined-function.c.

llvm-svn: 47236
 2008-02-17 19:31:09 +00:00
Anders Carlsson ffd0992247 Change alignment for doubles to 32 bits which is what X86 has. 
llvm-svn: 47234
 2008-02-17 03:40:02 +00:00
Eli Friedman f7e92acaba Implemnt isVariablyModifiedType correctly. 
llvm-svn: 47233
 2008-02-17 00:59:11 +00:00
Chris Lattner aec0914c80 fix this test. 
llvm-svn: 47232
 2008-02-17 00:15:25 +00:00
Tanya Lattner 087ed9fcad Remove llvm-upgrade 
llvm-svn: 47231
 2008-02-17 00:15:09 +00:00
Tanya Lattner c36fefedf5 Remove llvm-upgrade. 
llvm-svn: 47230
 2008-02-17 00:13:09 +00:00
Chris Lattner 8a67d349fe this test isn't useful since we added @ notation for globals. 
llvm-svn: 47229
 2008-02-17 00:12:03 +00:00
Chris Lattner 0d43732cd0 this line was commented out. 
llvm-svn: 47228
 2008-02-17 00:09:08 +00:00
Tanya Lattner 47f0a20f8f Remove llvm-upgrade and update tests. 
llvm-svn: 47227
 2008-02-16 23:55:46 +00:00
Chris Lattner df53e20f2d implement codegen support for aggregates casted to void. 
llvm-svn: 47226
 2008-02-16 23:55:16 +00:00
Tanya Lattner 231fe4746b Removing llvm upgrade, so remove tests specific to llvm-upgrade and update the tests that used it. 
llvm-svn: 47225
 2008-02-16 23:27:24 +00:00
Eli Friedman 1d88371663 A couple of msvc compile fixes from the ml; I haven't tested with msvc, 
but the fixes are reasonable.

llvm-svn: 47224
 2008-02-16 23:17:23 +00:00
Lauro Ramos Venancio bada8d4b5b Implement extern block var. 
llvm-svn: 47223
 2008-02-16 22:30:38 +00:00
Duncan Sands 573b3f89e4 Remove any 'nest' parameter attributes if the function 
is not passed as an argument to a trampoline intrinsic.

llvm-svn: 47220
 2008-02-16 20:56:04 +00:00
Duncan Sands 2efbc7f9e8 Some micro-optimizations. 
llvm-svn: 47219
 2008-02-16 20:53:06 +00:00
Anders Carlsson f13b1efa75 Add more tests 
llvm-svn: 47217
 2008-02-16 19:51:36 +00:00
Anders Carlsson 6e3ace5205 Better handling of the aligned attribute. 
llvm-svn: 47216
 2008-02-16 19:51:27 +00:00
Andrew Lenharth fedcf477b5 I cannot find a libgcc function for this builtin. Therefor expanding it to a noop (which is how it use to be treated). If someone who knows the x86 backend better than me could tell me how to get a lock prefix on an instruction, that would be nice to complete x86 support. 
llvm-svn: 47213
 2008-02-16 14:46:26 +00:00
Duncan Sands b289516a71 Teach LegalizeTypes how to expand the operands of 
br_cc.  This fixes 5 "make check" failures.

llvm-svn: 47212
 2008-02-16 10:29:26 +00:00
Duncan Sands 648e5d682b Try to clarify which compilers can be used for the 
build.

llvm-svn: 47211
 2008-02-16 09:47:41 +00:00
Anders Carlsson acea415ec5 More comments from Chris. 
llvm-svn: 47210
 2008-02-16 03:37:41 +00:00
Evan Cheng 652e4618e2 Refactor some code; check if commuteInstruction is able to commute the instruction. 
llvm-svn: 47208
 2008-02-16 02:32:17 +00:00
Andrew Lenharth 9b254eed32 llvm.memory.barrier, and impl for x86 and alpha 
llvm-svn: 47204
 2008-02-16 01:24:58 +00:00
Chris Lattner 27055194b7 Fix CheckEndOfDirective to diagnose lines that contain macros that expand to 
zero tokens.  This fixes PR2045, thanks to Neil for finding another 
incredibly subtle corner case :)

llvm-svn: 47203
 2008-02-16 01:20:36 +00:00
Anders Carlsson 3ea23a45d9 Make sizeof and __alignof work correctly with packed structs. 
llvm-svn: 47202
 2008-02-16 01:20:23 +00:00
Ted Kremenek 074965c5cb Further cleanup. Moved definitions for SymbolManager and ValueManager into 
their own [.cpp;.h] files.

llvm-svn: 47201
 2008-02-16 01:12:31 +00:00
Bill Wendling f861fbaae8 Fix typos. 
llvm-svn: 47200
 2008-02-16 01:09:25 +00:00
Anders Carlsson 4b93979008 Fix typo 
llvm-svn: 47199
 2008-02-16 00:39:40 +00:00
Dan Gohman 27ae573900 Rename CountMemOperands to ComputeMemOperandsEnd to reflect what 
it actually does. Simplify CountOperands a little by reusing
ComputeMemOperandsEnd. And reword some comments for both.

llvm-svn: 47198
 2008-02-16 00:36:48 +00:00
Anders Carlsson 28e7108142 Handle packed attribute correctly 
llvm-svn: 47197
 2008-02-16 00:29:18 +00:00
Dan Gohman 856c01204b Revert 47177, which was incorrect. 
llvm-svn: 47196
 2008-02-16 00:25:40 +00:00