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38193 Commits

Author SHA1 Message Date
Chris Lattner bc26e1bb8a Implement PR2206. 
llvm-svn: 49967
 2008-04-19 22:17:26 +00:00
Chris Lattner 334d33cad1 refactor handling of symbolic constant folding, picking up 
a few new cases( see Integer/a1.ll), but not anything that
would happen in practice.

llvm-svn: 49965
 2008-04-19 21:58:19 +00:00
Chris Lattner 6072ead8e2 indentation fix. 
llvm-svn: 49964
 2008-04-19 21:13:00 +00:00
Chris Lattner fe8519c818 Some clarifications suggested by Jon Sargeant 
llvm-svn: 49963
 2008-04-19 21:01:16 +00:00
Chris Lattner eb6bb803a7 Allow argpromote to promote struct arguments with a specified number 
of elements.  Patch by Matthijs Kooijman!

llvm-svn: 49962
 2008-04-19 19:50:01 +00:00
Evan Cheng 5102bd9359 64-bit atomic operations. 
llvm-svn: 49949
 2008-04-19 02:30:38 +00:00
Evan Cheng 5e7ee0a002 Also LXCHG64 -> XCHG64rm. 
llvm-svn: 49948
 2008-04-19 02:05:42 +00:00
Evan Cheng 51096affb5 PPC32 atomic operations. 
llvm-svn: 49947
 2008-04-19 01:30:48 +00:00
Evan Cheng 7f4240a47c xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed. 
llvm-svn: 49946
 2008-04-19 01:20:30 +00:00
Dan Gohman 41eb949aaf Teach llvm-as to accept function types with multiple return types. 
llvm-svn: 49945
 2008-04-19 00:24:39 +00:00
Dale Johannesen ce9dc86994 Fix a scalar evolution bug. Reversing everything 
does not work because of 0; 2>0 but -2U is also >0.

llvm-svn: 49928
 2008-04-18 21:38:31 +00:00
Nicolas Geoffray 85a9f1911e Enable jitting with a known memory size. 
llvm-svn: 49924
 2008-04-18 20:59:31 +00:00
Duncan Sands 1ec193e90b Implement a bit more softfloat support in 
LegalizeTypes.  Correct the load logic so
that it actually works, and also teach it
to handle floating point extending loads.

llvm-svn: 49923
 2008-04-18 20:56:03 +00:00
Dan Gohman ad4071a9e1 Fix the handling of va_copy on x86-64. As of llvm-gcc r49920 
llvm-gcc is now lowering va_copy on x86-64, so this completes
the fix for PR2230.

llvm-svn: 49922
 2008-04-18 20:55:41 +00:00
Evan Cheng 00bd8d904a - Fix atomic operation JIT encoding. 
- Remove unused instructions.

llvm-svn: 49921
 2008-04-18 20:55:36 +00:00
Duncan Sands a8a61562af Add some more FIXME's for indexed loads and stores. 
llvm-svn: 49916
 2008-04-18 20:27:12 +00:00
Duncan Sands b4e0b24e0a Provide an explicit list of operands to MakeLibcall, 
rather than having it suck them out of a node.  Add
a bunch of new libcalls, and remove dead softfloat
code (dead, because FloatToInt is used not Expand
in this case).  Note that indexed stores probably
aren't handled properly, likewise for loads.

llvm-svn: 49915
 2008-04-18 20:25:14 +00:00
Evan Cheng d556115e7e Correct comment. 
llvm-svn: 49913
 2008-04-18 19:25:26 +00:00
Evan Cheng 495a516390 Not safe to "kill" a register if its live range extends pass the end of block branch. 
llvm-svn: 49911
 2008-04-18 19:22:23 +00:00
Evan Cheng 5879213597 Also support Intel asm syntax. 
llvm-svn: 49878
 2008-04-17 23:35:10 +00:00
Dan Gohman 75c895dbc4 Remove the implicit conversion from SDOperandPtr to SDOperand*; this 
may fix a build error on Visual Studio.

llvm-svn: 49876
 2008-04-17 23:02:12 +00:00
Evan Cheng 4704baa555 Fix assembly code for atomic operations. 
llvm-svn: 49869
 2008-04-17 21:26:35 +00:00
Argyrios Kyrtzidis 3da1d68662 Bring in uint32_t, uint64_t, and int64_t types for MSVC. 
llvm-svn: 49854
 2008-04-17 13:56:31 +00:00
Duncan Sands 9ed1242efc Run SimplifyLibCalls near the beginning, not at 
the end.  It is now run at the same moment as in
llvm-gcc.  Also, run StripDeadPrototypes at the
end, just before running DeadTypeElimination.
This may be useful when doing LTO.  Note that
llvm-gcc runs StripDeadPrototypes but not
DeadTypeElimination.

llvm-svn: 49848
 2008-04-17 12:03:38 +00:00
Roman Levenstein a01df2d087 Minor clean-up based on Dan's comments. 
llvm-svn: 49844
 2008-04-17 09:29:48 +00:00
Evan Cheng 7e4a55bc58 Be more careful with insert_subreg and extract_subreg where either source or destination operand has already been coalesced with another register that's defined by a insert_subreg or extract_subreg. 
llvm-svn: 49843
 2008-04-17 07:58:04 +00:00
Owen Anderson f9ae76d89c Make GVN able to remove unnecessary calls to read-only functions again. 
llvm-svn: 49842
 2008-04-17 05:36:50 +00:00
Bill Wendling 288ef83b8a Use correct name for method in comment. 
llvm-svn: 49841
 2008-04-17 05:20:39 +00:00
Dan Gohman 9752a8f3b4 Correct the SrcValue information in the Expand code for va_copy. 
llvm-svn: 49839
 2008-04-17 02:09:26 +00:00
Scott Michel 376acf4aaa Remove unused variable 
llvm-svn: 49838
 2008-04-17 01:30:44 +00:00
Evan Cheng c8c3a899c0 Fix a sub-register indice propagation bug. 
llvm-svn: 49832
 2008-04-17 00:06:42 +00:00
Scott Michel f66cb3696a Workaround for PR2207, in which pred_iterator assert gets triggered due to a 
wee problem in Xcode 2.[45]/gcc 4.0.1.

llvm-svn: 49831
 2008-04-16 23:46:39 +00:00
Evan Cheng 147cb764b5 Don't forget about sub-register indices when rematting instructions. 
llvm-svn: 49830
 2008-04-16 23:44:44 +00:00
Dale Johannesen c1279f5e4b Unbreak build on x86-64. 
llvm-svn: 49822
 2008-04-16 22:24:33 +00:00
Dan Gohman 5afb42a41d Fix a copy+paste error in a comment. 
llvm-svn: 49820
 2008-04-16 21:57:29 +00:00
Nicolas Geoffray a7557dfe71 Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.

llvm-svn: 49814
 2008-04-16 20:46:05 +00:00
Eric Christopher b7066c7539 Fix comment. 
llvm-svn: 49813
 2008-04-16 20:45:31 +00:00
Evan Cheng 59aa126e48 After reading memory that's already freed. 
llvm-svn: 49810
 2008-04-16 20:24:25 +00:00
Nicolas Geoffray ae84bbdbed Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented 
llvm-svn: 49809
 2008-04-16 20:10:13 +00:00
Evan Cheng a15cee1036 Initialize X863DNowLevel. 
llvm-svn: 49808
 2008-04-16 19:03:02 +00:00
Evan Cheng 23f12757ed Fix PR2226. Avoid using uninitialized variables. 
llvm-svn: 49807
 2008-04-16 18:48:43 +00:00
Bill Wendling ac375522e4 Add "empty()" method to sys::Path and remove unnecessary whitespace. 
Patch by Mikhail Glushenkov!

llvm-svn: 49803
 2008-04-16 18:27:02 +00:00
Evan Cheng 7b989d853e Really test what's intended. 
llvm-svn: 49802
 2008-04-16 18:21:55 +00:00
Evan Cheng 8dc8a8d8af Empty basic block should have an empty range. 
llvm-svn: 49800
 2008-04-16 18:01:08 +00:00
Dale Johannesen 4675c4e7e7 Don't read off end of the input array. 
llvm-svn: 49799
 2008-04-16 17:31:41 +00:00
Roman Levenstein a3ee1a38a3 Ongoing work on improving the instruction selection infrastructure: 
Rename SDOperandImpl back to SDOperand.
Introduce the SDUse class that represents a use of the SDNode referred by
an SDOperand. Now it is more similar to Use/Value classes.

Patch is approved by Dan Gohman.

llvm-svn: 49795
 2008-04-16 16:15:27 +00:00
Dan Gohman bd2613d382 Fix a memory leak in llc. 
llvm-svn: 49793
 2008-04-16 15:56:26 +00:00
Gabor Greif 522dc99164 merge of r49785 (from branches/ggreif/use-diet): pass V to dyn_cast by const reference, this avoids copy-constructing and destructing all the time. especially important if these constructors are not accessible 
llvm-svn: 49787
 2008-04-16 11:43:47 +00:00
Evan Cheng e45b8f89c5 Rewrite LiveVariable liveness computation. The new implementation is much simplified. It eliminated the nasty recursive routines and removed the partial def / use bookkeeping. There is also potential for performance improvement by replacing the conservative handling of partial physical register definitions. The code is currently disabled until live interval analysis is taught of the name scheme. 
This patch also fixed a couple of nasty corner cases.

llvm-svn: 49784
 2008-04-16 09:46:40 +00:00
Evan Cheng 6c17773ccc Code clean up. 
llvm-svn: 49783
 2008-04-16 09:41:59 +00:00