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Commit Graph

38364 Commits

Author SHA1 Message Date
Chris Lattner
c714a8cee8 we can only thread blocks when there is a pred we can determine the succ of.
llvm-svn: 50003
2008-04-20 21:18:09 +00:00
Chris Lattner
4fcfb808fb improve comments, infrastructure, and add some validity checks for threading.
Add a cost function.

llvm-svn: 50002
2008-04-20 21:13:06 +00:00
Chris Lattner
c8c74f39db Add a new Jump Threading pass, which will handle cases
such as those in PR2235.  Right now the pass is not very
effective. :)

llvm-svn: 50000
2008-04-20 20:35:01 +00:00
Chris Lattner
75df16a5b0 hopefully resolve PR2240
llvm-svn: 49999
2008-04-20 19:59:12 +00:00
Chris Lattner
2bed045e5e rearrange some code, simplify handling of shifts.
llvm-svn: 49995
2008-04-20 18:24:14 +00:00
Dale Johannesen
15969b664d Check we aren't trying to convert PPC long double.
This fixes the testsuite failure on ppcf128-4.ll.

llvm-svn: 49994
2008-04-20 18:23:46 +00:00
Nicolas Geoffray
c80229e1c7 Cosmetic changes, as suggested by Evan. No functionality changes.
llvm-svn: 49993
2008-04-20 17:44:19 +00:00
Dale Johannesen
3453a89a31 (re)fix handling of UGT. Pointed out by Nick Lewycky.
llvm-svn: 49991
2008-04-20 16:58:57 +00:00
Torok Edwin
e038c595c1 g++-4.3 build-fix: CHAR_BIT requires <climits>.
llvm-svn: 49989
2008-04-20 08:33:11 +00:00
Nicolas Geoffray
5fdce98ebd Do not hold the JIT lock when materializing a function and verify if the
function has already been codegen'd. This is required by the Java class loading
mechanism which executes Java code when materializing a function.

llvm-svn: 49988
2008-04-20 08:33:02 +00:00
Chris Lattner
2c5b96fbee A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2.
llvm-svn: 49986
2008-04-20 05:52:46 +00:00
Chris Lattner
8503e2d236 Not all x86-64 machines have sse3 apparently.
llvm-svn: 49985
2008-04-20 05:47:56 +00:00
Dale Johannesen
675fca3ee1 Check that APFloat::convert is not trying to target
ppc long double, which doesn't work.

This may break some stuff temporarily, but I want to
avoid the propagation of code that assumes this works.

llvm-svn: 49983
2008-04-20 01:34:03 +00:00
Chris Lattner
33e206ef89 regenerate
llvm-svn: 49978
2008-04-20 00:41:19 +00:00
Chris Lattner
f390d62b7f Switch to using Simplified ConstantFP::get API.
llvm-svn: 49977
2008-04-20 00:41:09 +00:00
Chris Lattner
0cda383725 Use simplified ConstantFP::get method, fix a bug handling frem x, 0 with long doubles.
llvm-svn: 49976
2008-04-20 00:26:06 +00:00
Chris Lattner
5b6f941e70 free(null) -> noop
llvm-svn: 49972
2008-04-19 22:41:32 +00:00
Chris Lattner
a9d8d647ca rename *.llx -> *.ll, last batch.
llvm-svn: 49971
2008-04-19 22:32:52 +00:00
Chris Lattner
c310b1f1f3 rename *.llx -> *.ll
llvm-svn: 49970
2008-04-19 22:29:10 +00:00
Chris Lattner
63bd1df323 rename *.llx -> *.ll
llvm-svn: 49969
2008-04-19 22:26:29 +00:00
Gabor Greif
441be4d65b merge of 49966 from branches/ggreif/use-diet to trunk. these are already active API changes
llvm-svn: 49968
2008-04-19 22:25:09 +00:00
Chris Lattner
8cde1e71f0 Implement PR2206.
llvm-svn: 49967
2008-04-19 22:17:26 +00:00
Chris Lattner
1303e72c66 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
57bd4076b5 indentation fix.
llvm-svn: 49964
2008-04-19 21:13:00 +00:00
Chris Lattner
2f237756c5 Some clarifications suggested by Jon Sargeant
llvm-svn: 49963
2008-04-19 21:01:16 +00:00
Chris Lattner
d299f7b8cf 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
f583b3feb6 64-bit atomic operations.
llvm-svn: 49949
2008-04-19 02:30:38 +00:00
Evan Cheng
1c54ebbe2f Also LXCHG64 -> XCHG64rm.
llvm-svn: 49948
2008-04-19 02:05:42 +00:00
Evan Cheng
09e77f6b83 PPC32 atomic operations.
llvm-svn: 49947
2008-04-19 01:30:48 +00:00
Evan Cheng
b1d240f973 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
ac2fac937c Teach llvm-as to accept function types with multiple return types.
llvm-svn: 49945
2008-04-19 00:24:39 +00:00
Dale Johannesen
c1b7e0b477 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
f005e6fa3b Enable jitting with a known memory size.
llvm-svn: 49924
2008-04-18 20:59:31 +00:00
Duncan Sands
26b54dda58 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
98ca33cb59 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
a626e13995 - Fix atomic operation JIT encoding.
- Remove unused instructions.

llvm-svn: 49921
2008-04-18 20:55:36 +00:00
Duncan Sands
c21336d6b8 Add some more FIXME's for indexed loads and stores.
llvm-svn: 49916
2008-04-18 20:27:12 +00:00
Duncan Sands
88d2a8459b 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
c215f9f091 Correct comment.
llvm-svn: 49913
2008-04-18 19:25:26 +00:00
Evan Cheng
b23895db40 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
2b03674feb Also support Intel asm syntax.
llvm-svn: 49878
2008-04-17 23:35:10 +00:00
Dan Gohman
cfdb39da9c 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
0b36ca5023 Fix assembly code for atomic operations.
llvm-svn: 49869
2008-04-17 21:26:35 +00:00
Argyrios Kyrtzidis
2f4e52ee48 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
55efcf86e9 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
2a2a386127 Minor clean-up based on Dan's comments.
llvm-svn: 49844
2008-04-17 09:29:48 +00:00
Evan Cheng
073659986f 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
cd1b9c4b43 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
98aab12b63 Use correct name for method in comment.
llvm-svn: 49841
2008-04-17 05:20:39 +00:00
Dan Gohman
c4bea57bb4 Correct the SrcValue information in the Expand code for va_copy.
llvm-svn: 49839
2008-04-17 02:09:26 +00:00