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14615 Commits

Author SHA1 Message Date
Nadav Rotem
a7934dd8e4 Fix 10892 - When lowering SIGN_EXTEND_INREG do not lower v2i64 because the 
instruction set has no 64-bit SRA support.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141570 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 19:31:45 +00:00
Devang Patel
9ac743a4ee Add dominance check for the instruction being hoisted. 
For example, MachineLICM should not hoist a load that is not guaranteed to be executed.
Radar 10254254.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141569 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 19:09:20 +00:00
Benjamin Kramer
a86a58695d X86: Add patterns for the movbe instruction (mov + bswap, only available on atom) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 18:34:56 +00:00
Jakob Stoklund Olesen
a0ed0c0fcd Insert dummy ED table entries for pseudo-instructions. 
The table is indexed by opcode, so simply removing pseudo-instructions
creates a wrong mapping from opcode to table entry.

Add a test case for xorps which has a very high opcode that exposes this
problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141562 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 18:30:16 +00:00
Bill Wendling
eba564ceac Revert r141365. It was causing MultiSource/Benchmarks/MiBench/consumer-lame to 
hang, and possibly SPEC/CINT2006/464_h264ref.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141560 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 18:27:30 +00:00
Benjamin Kramer
5d53ff54c0 XFAIL tblgen tests on leak checkers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141533 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 13:09:59 +00:00
Bill Wendling
8129d21396 When getting the number of bits necessary for addressing mode 
ARMII::AddrModeT1_s, we need to take into account that if the frame register is
ARM::SP, then the number of bits is 8. If it's not ARM::SP, then the number of
bits is 5.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141529 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-10 07:24:23 +00:00
Craig Topper
da394041c4 Add Ivy Bridge 16-bit floating point conversion instructions for the X86 disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141505 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-09 07:31:39 +00:00
Jakob Stoklund Olesen
ed74482704 Add TEST8ri_NOREX pseudo to constrain sub_8bit_hi copies. 
In 64-bit mode, sub_8bit_hi sub-registers can only be used by NOREX
instructions. The COPY created from the EXTRACT_SUBREG DAG node cannot
target all GR8 registers, only those in GR8_NOREX.

TO enforce this, we ensure that all instructions using the
EXTRACT_SUBREG are GR8_NOREX constrained.

This fixes PR11088.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141499 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 18:28:28 +00:00
Jakob Stoklund Olesen
a55f6575ae Add missing test case for r141410. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141498 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 18:06:54 +00:00
Andrew Trick
861a410cb6 Unit test for LSR phi reuse in r141442. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 02:34:51 +00:00
Michael J. Spencer
27781b78e1 llvm-objdump: Add relocation and archive support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141451 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-08 00:18:30 +00:00
Jim Grosbach
051fee0312 Enable ARM mode VDUP(scalar) tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141447 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 23:57:03 +00:00
Jim Grosbach
460a90540b ARM NEON assembly parsing and encoding for VDUP(scalar). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141446 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 23:56:00 +00:00
David Greene
a1b1b79be1 Remove Multidefs 
Multidefs are a bit unwieldy and incomplete.  Remove them in favor of
another mechanism, probably for loops.

Revert "Make Test More Thorough"
Revert "Fix a typo."
Revert "Vim Support for Multidefs"
Revert "Emacs Support for Multidefs"
Revert "Document Multidefs"
Revert "Add a Multidef Test"
Revert "Update Test for Multidefs"
Revert "Process Multidefs"
Revert "Parser Multidef Support"
Revert "Lexer Support for Multidefs"
Revert "Add Multidef Data Structures"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 18:25:05 +00:00
Evan Cheng
7c1780c5fe High bits of movmskp{s|d} and pmovmskb are known zero. rdar://10247336 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141371 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 17:21:44 +00:00
Bob Wilson
6d2f9cec71 Reenable tail calls for iOS 5.0 and later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141370 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 17:17:49 +00:00
Bob Wilson
2fef4573df Reenable use of divmod compiler_rt functions for iOS 5.0 and later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141368 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 16:59:21 +00:00
Anton Korobeynikov
244455e6d6 Peephole optimization for ABS on ARM. 
Patch by Ana Pazos!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141365 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 16:15:08 +00:00
Duncan Sands
3f329cb781 Teach GVN to also propagate switch cases. For example, in this code 
switch (n) {
    case 27:
      do_something(x);
    ...
  }
the call do_something(x) will be replaced with do_something(27).  In
gcc-as-one-big-file this results in the removal of about 500 lines of
bitcode (about 0.02%), so has about 1/10 of the effect of propagating
branch conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 08:29:06 +00:00
Craig Topper
75fe5f3bab Add X86 disassembler support for RDFSBASE, RDGSBASE, WRFSBASE, and WRGSBASE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141358 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 07:02:24 +00:00
Craig Topper
1b526a98e3 Add X86 disassembler support for XSAVE, XRSTOR, and XSAVEOPT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141354 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 05:53:50 +00:00
Craig Topper
25f6dfd108 Revert part of r141274. Only need to change encoding for xchg %eax, %eax in 64-bit mode. This is because in 64-bit mode xchg %eax, %eax implies zeroing the upper 32-bits of RAX which makes it not a NOP. In 32-bit mode using NOP encoding is fine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 05:35:38 +00:00
Jim Grosbach
bee5d2fac8 Tidy up tests. Un-XFAIL file and mark individual tests as FIXME instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141321 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 22:04:05 +00:00
Jim Grosbach
7abb795635 Fix and clean up tests. Un-XFAIL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 21:32:50 +00:00
Jim Grosbach
d6f85098e1 Fix and clean up tests. Un-XFAIL. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141316 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 21:28:30 +00:00
David Greene
2f0722c105 Make Test More Thorough 
Check that all ADD patters are processed.

Add a SUB test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141314 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 21:20:44 +00:00
Peter Collingbourne
5d5c0624d0 s/tblgen/llvm-tblgen/g in a few missed places, including the tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141294 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 13:39:59 +00:00
Torok Edwin
624c5edcd4 ocaml bindings: add llvm_ipo based on IPO.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141284 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:12:27 +00:00
Torok Edwin
0e68e90175 add more tests for the OCaml bindings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141283 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 12:12:12 +00:00
Craig Topper
7ea16b01fa Fix assembling of xchg %eax, %eax to not use the NOP encoding of 0x90. This was done by creating a new register group that excludes AX registers. Fixes PR10345. Also added aliases for flipping the order of the operands of xchg <reg>, %eax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-06 06:44:41 +00:00
Cameron Zwarich
d78ebe1e12 Remove a check from ARM shifted operand isel helper methods, which were blocking 
merging an lsl #2 that has multiple uses on A9. This shift is free, so there is
no problem merging it in multiple places. Other unprofitable shifts will not be
merged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141247 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 23:38:50 +00:00
David Greene
fd56d75396 Update Test for Multidefs 
Update the MultiPat.td test to create some defs via multidefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141235 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 22:42:48 +00:00
David Greene
e5d5cdf2e9 Add a Multidef Test 
Add a simple test for multidefs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141234 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 22:42:47 +00:00
Eli Friedman
792860883e PR11061: Make simplifylibcalls fold strcmp("", x) correctly. 
While I'm here, fix the related issue with strncmp, add some actual tests for strcmp and strncmp, and start using StringRef::compare for constant folding instead of using strcmp/strncmp so that the optimized IR isn't dependent on the host's implementation of strcmp.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141227 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 22:27:16 +00:00
Jim Grosbach
e2999b4899 Revert 141203. InstCombine is looping on unit tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141209 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 20:44:29 +00:00
Rafael Espindola
11f1a8335e Check for the returns_twice attribute in callsFunctionThatReturnsTwice. This 
fixes PR11038, but there are still some cleanups to be done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141204 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 20:05:13 +00:00
Jim Grosbach
30c1ff234d Update InstCombine worklist after instruction transform is complete. 
When updating the worklist for InstCombine, the Add/AddUsersToWorklist
functions may access the instruction(s) being added, for debug output for
example. If the instructions aren't yet added to the basic block, this
can result in a crash. Finish the instruction transformation before
adjusting the worklist instead.

rdar://10238555


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 20:05:00 +00:00
Dan Gohman
da5836572d Make this test less sensitive to codegen optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141195 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 18:13:08 +00:00
Owen Anderson
2dbb46a0a0 Support a valid, but not very useful, encoding of CPSIE where none of the AIF bits are set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 17:16:40 +00:00
Duncan Sands
02b5e72ac6 GVN does simple propagation of conditions: when it sees a conditional 
branch "br i1 %x, label %if_true, label %if_false" then it replaces
"%x" with "true" in places only reachable via the %if_true arm, and
with "false" in places only reachable via the %if_false arm.  Except
that actually it doesn't: if value numbering shows that %y is equal
to %x then, yes, %y will be turned into true/false in this way, but
any occurrences of %x itself are not transformed.  Fix this.  What's
more, it's often the case that %x is an equality comparison such as
"%x = icmp eq %A, 0", in which case every occurrence of %A that is
only reachable via the %if_true arm can be replaced with 0.  Implement
this and a few other variations on this theme.  This reduces the number
of lines of LLVM IR in "GCC as one big file" by 0.2%.  It has a bigger
impact on Ada code, typically reducing the number of lines of bitcode
by around 0.4% by removing repeated compiler generated checks.  Passes
the LLVM nightly testsuite and the Ada ACATS testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 14:28:49 +00:00
Duncan Sands
452c58f4c4 Generalize GVN's conditional propagation logic slightly: 
it's OK for the false/true destination to have multiple
predecessors as long as the extra ones are dominated by
the branch destination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 14:17:01 +00:00
Andrew Trick
0c388583fb Missing test case for r141164. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141166 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-05 06:23:32 +00:00
Owen Anderson
2fec6c5ff1 Teach the MC to output code/data region marker labels in MachO and ELF modes. These are used by disassemblers to provide better disassembly, particularly on targets like ARM Thumb that like to intermingle data in the TEXT segment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 23:26:17 +00:00
Jim Grosbach
0ebefdf834 Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141123 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 21:43:51 +00:00
Jim Grosbach
fdf6bb41a4 Un-XFAIL file. Comment out individual failing instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141117 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 21:16:42 +00:00
Jim Grosbach
20f8eb2fc1 Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:52:57 +00:00
Jim Grosbach
e5c933848a Un-XFAIL file. Fix incorrect CHECK lines. General format cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141114 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:50:05 +00:00
Jim Grosbach
dc6c93531d Un-XFAIL file. Fix incorrect CHECK line. General format cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141113 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:46:49 +00:00
Jim Grosbach
100902c6da Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141111 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:42:35 +00:00
Jim Grosbach
0c0cf47ed5 Un-XFAIL file. Fix incorrect CHECK line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141110 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:42:09 +00:00
Jim Grosbach
62ea269b9a Un-XFAIL the file. Disable only the individual tests that aren't working yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 20:34:11 +00:00
David Greene
764b29e1c8 Test Operand Arguments 
Add a test to do list manipulation and pass the result as arguments.
This tests the new list element operator resolve code and provides an
example of using list manipulation to do instruction pattern
substitution.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141102 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 18:55:40 +00:00
Jim Grosbach
a02dfe7a6b Un-XFAIL the file. Disable only the individual tests that aren't working yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 18:43:15 +00:00
Jim Grosbach
36db6fbe57 Tidy up. Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141096 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 17:49:45 +00:00
David Dean
8a567f1fb9 Fix PR9833/PR11054 (patch provided by Patrik Hägglund) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141092 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 16:26:41 +00:00
Craig Topper
6744a17dcf Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 06:30:42 +00:00
Andrew Trick
f143b79b78 LSR should avoid redundant edge splitting. 
This handles the case in which LSR rewrites an IV user that is a phi and
splits critical edges originating from a switch.
Fixes <rdar://problem/6453893> LSR is not splitting edges "nicely"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141059 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 03:50:44 +00:00
Andrew Trick
d974ea22a5 Unit test for r140919, loop unroll heuristics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141049 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 00:07:02 +00:00
Jim Grosbach
3207e6c6b7 Tidy up. These tests are covered in the .s file tests now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 23:40:13 +00:00
Jim Grosbach
9d39036f62 ARM assembly parsing and encoding for VMOV immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141046 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 23:38:36 +00:00
Jim Grosbach
68259145d9 ARM parsing/encoding for VCMP/VCMPE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141038 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 22:30:24 +00:00
Akira Hatanaka
bbb47b320d Move CHECK after entry label. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141030 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 21:24:30 +00:00
Akira Hatanaka
43e43f7d8b Add support for 64-bit logical NOR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141029 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 21:23:18 +00:00
Akira Hatanaka
2d57088ff0 Add support for 64-bit count leading ones and zeros instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 21:16:50 +00:00
Jim Grosbach
5cd5ac6ad4 ARM assembly parsing and encoding for VMRS/FMSTAT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141025 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 21:12:43 +00:00
Akira Hatanaka
dda4a07cd8 Add support for 64-bit divide instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 21:06:13 +00:00
Jim Grosbach
f8bf43ec99 Update test for 141010. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 20:58:08 +00:00
Akira Hatanaka
04d3762ff1 Add support for 64-bit integer multiply instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 20:01:11 +00:00
Jim Grosbach
c82c101147 Tidy up a bit. Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 17:59:31 +00:00
Craig Topper
581fe82c84 Add support for MOVBE and RDRAND instructions for the assembler and disassembler. Includes feature flag checking, but no instrinsic support. Fixes PR10832, PR11026 and PR11027. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141007 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 17:28:23 +00:00
Rafael Espindola
25456ef74c Add the returns_twice attribute to LLVM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 14:45:37 +00:00
Craig Topper
04c5be9f12 Treat VEX.vvvv as a 3-bit field outside of 64-bit mode. Prevents access to registers xmm8-xmm15 outside 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140997 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 08:14:29 +00:00
Craig Topper
04b0b34b3a Test updates that were supposed to go with r140993. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140994 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 07:53:59 +00:00
Nick Lewycky
1cbae18cf6 Reapply r140979 with fix! We never did get a testcase, but careful review of the 
logic by David Meyer revealed this bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 07:10:45 +00:00
Torok Edwin
48488a64fa attempt to fix ocaml bindings: landing pads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 06:41:46 +00:00
Nick Lewycky
4fcc80a486 Revert r140979 due to reports of bootstrap failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140980 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 05:14:59 +00:00
Nick Lewycky
8fde4f5842 Add one more case we compute a max trip count. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140979 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-03 01:03:57 +00:00
Craig Topper
82f131a017 Fix some Intel syntax disassembly issues with instructions that implicitly use AL/AX/EAX/RAX such as ADD/SUB/ADC/SUBB/XOR/OR/AND/CMP/MOV/TEST. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-02 21:08:12 +00:00
Craig Topper
146c6d77f0 Special case disassembler handling of REX.B prefix on NOP instruction to decode as XCHG R8D, EAX instead. Fixes PR10344. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140971 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-02 16:56:09 +00:00
Nick Lewycky
11357d4f40 Add a new icmp+select optz'n. Also shows off the load(cst) folding added in 
r140966.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-02 10:37:37 +00:00
Craig Topper
846a2dcada Fix disassembling of INVEPT and INVVPID to take operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140955 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-01 21:20:14 +00:00
Craig Topper
e1b4a1a07e Fix disassembler handling of CRC32 which is an odd instruction that uses 0xf2 as an opcode extension and allows the opsize prefix. This necessitated adding IC_XD_OPSIZE and IC_64BIT_XD_OPSIZE contexts. Unfortunately, this increases the size of the disassembler tables. Fixes PR10702. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-01 19:54:56 +00:00
Bill Wendling
0676d2a04c Filecheck-ize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140904 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 23:40:29 +00:00
Bill Wendling
127f410c3a Add new line at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140903 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 23:21:11 +00:00
Bill Wendling
e09b2a0d49 When inferring the pointer alignment, if the global doesn't have an initializer 
and the alignment is 0 (i.e., it's defined globally in one file and declared in
another file) it could get an alignment which is larger than the ABI allows for
that type, resulting in aligned moves being used for unaligned loads.

For instance, in file A.c:

   struct S s;

In file B.c:
   struct {
     // something long
   };
   extern S s;

   void foo() {
     struct S p = s;
     // ...
   }

this copy is a 'memcpy' which is turned into a series of 'movaps' instructions
on X86. But this is wrong, because 'struct S' has alignment of 4, not 16.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140902 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 23:19:55 +00:00
David Greene
90b6e346ee Test More Complicated Lists 
Test of indexing lists of lists of lists works.  This also exercises
some operators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140884 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 20:59:52 +00:00
David Greene
f6c8cbba4e Test VarListElementInit:: resolveListElementReference 
Add a TableGen test to check if indexing lists of lists works.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140883 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 20:59:51 +00:00
Akira Hatanaka
5773fd52ef Remove unnecessary checking of register operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140872 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 19:18:24 +00:00
Akira Hatanaka
c7bafe9241 Add definitions of Mips64 rotate instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 18:51:46 +00:00
Jim Grosbach
cbf676b3ba float comparison to double 'zero' constant can just be a float 'zero.' 
InstCombine was incorrectly considering the conversion of the constant
zero to be unsafe.

We want to transform:
define float @bar(float %x) nounwind readnone optsize ssp {
  %conv = fpext float %x to double
  %cmp = fcmp olt double %conv, 0.000000e+00
  %conv1 = zext i1 %cmp to i32
  %conv2 = sitofp i32 %conv1 to float
  ret float %conv2
}

Into:
define float @bar(float %x) nounwind readnone optsize ssp {
  %cmp = fcmp olt float %x, 0.000000e+00   ; <---- This
  %conv1 = zext i1 %cmp to i32
  %conv2 = sitofp i32 %conv1 to float
  ret float %conv2
}


rdar://10215914


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 18:45:50 +00:00
Jim Grosbach
6f09fcf5da ARM Darwin default relocation model is PIC. 
This matches clang, so default options in llc and friends are now closer to
clang's defaults.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140863 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 17:41:35 +00:00
Akira Hatanaka
d80c13bfed Check values of immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140860 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 17:19:21 +00:00
Duncan Sands
5bc93e782e Add forgotten tests that the cleanup flag is cleared if there 
is a catch-all landingpad clause.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140858 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 17:00:34 +00:00
Duncan Sands
0ad7b6e773 Inlining often produces landingpad instructions with repeated 
catch or repeated filter clauses.  Teach instcombine a bunch
of tricks for simplifying landingpad clauses.  Currently the
code only recognizes the GNU C++ and Ada personality functions,
but that doesn't stop it doing a bunch of "generic" transforms
which are hopefully fine for any real-world personality function.
If these "generic" transforms turn out not to be generic, they
can always be conditioned on the personality function.  Probably
someone should add the ObjC++ personality function.  I didn't as
I don't know anything about it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140852 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 13:12:16 +00:00
Akira Hatanaka
25a7d94e81 Mips64 shift instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140841 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 03:18:46 +00:00
Akira Hatanaka
f549ab7853 Mips64 arithmetic and logical instructions with one source register and 
immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140839 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 02:08:54 +00:00
Akira Hatanaka
a3defb07a0 Fill delay slot with useful instructions. Modified from Sparc's version of delay 
slot filler.

Patch by Reed Kotler at Mips Technologies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-29 23:52:13 +00:00
Dan Gohman
27e0666725 When eliminating unnecessary retain+autorelease on return values, 
handle the case where the retain is in a different basic block.
rdar://10210274.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140815 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-29 22:27:34 +00:00
Dan Gohman
597fece886 Don't eliminate objc_retainBlock calls on stack objects if the 
objc_retainBlock call is potentially responsible for copying
the block to the heap to extend its lifetime. rdar://10209613.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140814 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-29 22:25:23 +00:00