Commit Graph

98444 Commits

Author SHA1 Message Date
NAKAMURA Takumi
1f2868899a Add JIT to LINK_COMPONENTS in MCJITTests/Makefile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196907 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 11:12:35 +00:00
Richard Sandiford
aedb288d86 Add TargetLowering::prepareVolatileOrAtomicLoad
One unusual feature of the z architecture is that the result of a
previous load can be reused indefinitely for subsequent loads, even if
a cache-coherent store to that location is performed by another CPU.
A special serializing instruction must be used if you want to force
a load to be reattempted.

Since volatile loads are not supposed to be omitted in this way,
we should insert a serializing instruction before each such load.
The same goes for atomic loads.

The patch implements this at the IR->DAG boundary, in a similar way
to atomic fences.  It is a no-op for targets other than SystemZ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 10:49:34 +00:00
Richard Sandiford
086791eca2 Add TargetLowering::prepareVolatileOrAtomicLoad
One unusual feature of the z architecture is that the result of a
previous load can be reused indefinitely for subsequent loads, even if
a cache-coherent store to that location is performed by another CPU.
A special serializing instruction must be used if you want to force
a load to be reattempted.

Since volatile loads are not supposed to be omitted in this way,
we should insert a serializing instruction before each such load.
The same goes for atomic loads.

The patch implements this at the IR->DAG boundary, in a similar way
to atomic fences.  It is a no-op for targets other than SystemZ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196905 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 10:36:34 +00:00
NAKAMURA Takumi
faeef98cbc [CMake] lli/CMakeLists.txt: Move add_subdirectory(ChildTarget) to the front. It depends on nothing described in LLVM_LINK_COMPONENTS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 10:30:08 +00:00
Kevin Qin
cbb73d1b91 [AArch64 NEON] Replace fpimm with fpz32 for floating compare with zero.
This is a small change to be strict. Just want get pattern safer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 06:51:07 +00:00
Kevin Qin
3171b8df48 [AArch64 NEON] Support poly128_t and implement relevant intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196887 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 06:48:35 +00:00
NAKAMURA Takumi
2b14080035 GCOV.cpp: Use PRIu64 instead of %lu.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196882 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 05:39:40 +00:00
NAKAMURA Takumi
e1d55bb5d5 Add proper dependencies to LLVMBuild.txt in llvm/lib.
I'll prune redundant deps in LLVMBuild.txt, later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196881 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 05:39:34 +00:00
NAKAMURA Takumi
e0c0c4bdf6 Whitespaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196880 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 05:39:12 +00:00
Reid Kleckner
cc8d39acf5 Revert "Fix miscompile of MS inline assembly with stack realignment"
This reverts commit r196876.  Its tests failed on the bots, so I'll
figure it out tomorrow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196879 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 05:31:27 +00:00
Reid Kleckner
ec4d326aad Fix miscompile of MS inline assembly with stack realignment
For stack frames requiring realignment, three pointers may be needed:
- ebp to address incoming arguments
- esi (could be any callee-saved register) to address locals
- esp to address outgoing arguments

We would use esi unconditionally without verifying that it did not
conflict with inline assembly.

This change doesn't do the verification, it simply emits a fatal error
on functions that use stack realignment, dynamic SP adjustments, and
inline assembly.

Because stack realignment is common on Windows, we also no longer assume
that MS inline assembly clobbers esp.  Instead, we analyze the inline
instructions for implicit definitions and check if esp is there.  If so,
we require the use of a base pointer and consider it in the condition
above.

Mostly fixes PR16830, but we could try harder to find a non-conflicting
base pointer.

Reviewers: sunfish

Differential Revision: http://llvm-reviews.chandlerc.com/D1317

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196876 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 05:12:23 +00:00
Andrew Trick
e15c1079cb Fix a crash that occurs when PWD is invalid.
MCJIT needs to be able to run in hostile environments, even when PWD
is invalid. There's no need to crash MCJIT in this case.

The obvious fix is to simply leave MCContext's CompilationDir empty
when PWD can't be determined. This way, MCJIT clients,
and other clients that link with LLVM don’t need a valid working directory.

If we do want to guarantee valid CompilationDir, that should be done
only for clients of getCompilationDir(). This is as simple as checking
for an empty string.

The only current use of getCompilationDir is EmitGenDwarfInfo, which
won’t conceivably run with an invalid working dir. However, in the
purely hypothetically and untestable case that this happens, the
AT_comp_dir will be omitted from the compilation_unit DIE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196874 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 04:39:09 +00:00
Andrew Trick
7a70a1bdaa whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196873 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 04:39:05 +00:00
Nadav Rotem
6806e11612 Fix PR18162 - Incorrect assertion assumed that the SDValue resno is zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196858 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 01:13:59 +00:00
Eric Christopher
d5cf7abce6 Update testcase for previous commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196857 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 01:12:16 +00:00
Yuchen Wu
30d5ef51e4 llvm-cov: Added -a option for block data.
Similar to gcov, llvm-cov will now print out the block count at the end
of each block. Multiple blocks can end on the same line.

One computational difference is by using -a, llvm-cov will no longer
simply add the block counts together to form a line count. Instead, it
will take the maximum of the block counts on that line. This has a
similar effect to what gcov does, but generates more correct counts in
certain scenarios.

Also updated tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196856 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 01:02:07 +00:00
Eric Christopher
06e68434a5 Disable emitting DW_AT_GNU_ranges_base until we actually use it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196851 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:40:03 +00:00
Rafael Espindola
b6c1f7e9f0 Add comments documenting the ARM datalayout string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196850 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:37:37 +00:00
Eric Christopher
8c087da028 We never emit info into the macro info section, stop emitting an
empty one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196849 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:26:10 +00:00
Eric Christopher
3dd4e46746 80-col.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196848 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:26:06 +00:00
Rafael Espindola
eaa38c1689 Simplify further.
Thanks to Jim Grosbach for noticing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196846 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:15:35 +00:00
Justin Bogner
31eaed9c6d Transforms: Don't create bad branch weights when folding a switch
This avoids creating branch weight metadata of length one when we fold
cases into the default of a switch instruction, which was triggering
an assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-10 00:13:41 +00:00
Eric Christopher
4a644cc525 Rename CompileUnit->DwarfCompileUnit and TypeUnit->DwarfTypeUnit for
clarity. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196844 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 23:57:44 +00:00
Rafael Espindola
757fb9069c Refactor the construction of the DataLayout string on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196843 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 23:56:41 +00:00
Eric Christopher
59e818d8c4 Rename Unit->DwarfUnit to match the file name and make it a bit less
ambiguous. Reformat to match.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196838 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 23:32:48 +00:00
Chad Rosier
e02fa056d9 [AArch64] Refactor the NEON scalar reduce pairwise intrinsics, so that they use
float/double rather than the vector equivalents when appropriate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196833 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 22:47:38 +00:00
Chad Rosier
97eda18693 [AArch64] Refactor NEON scalar reduce pairwise front-end codegen to remove
unnecessary patterns in tablegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 22:47:34 +00:00
Chad Rosier
6c6344e6a9 [AArch64] Remove q and non-q intrinsic definitions in the NEON scalar reduce
pairwise implementation, using an overloaded definition instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196831 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 22:47:31 +00:00
Reed Kotler
89d8470356 get rid of superfluous comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196829 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 22:08:32 +00:00
Reed Kotler
9670b33cbd Delete some old code used for testing that is not needed anymore.
This is part of the mips16 epilogue/prologue cleanup.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196824 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 21:19:51 +00:00
Rafael Espindola
5201d61654 Don't add suffixes for stdcall/fastcall on 64 coff.
This matches the behavior of both msvc and mingw.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196814 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 20:44:48 +00:00
Rafael Espindola
470041bd61 Use a more direct check for finding out the file type.
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 20:26:40 +00:00
Rafael Espindola
6bd88a58bb Don't set a variable to its default value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196807 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 19:36:11 +00:00
Ana Pazos
ddf4eb3d03 Fix pattern match for movi with 0D result
Patch by Jiangning Liu.

With some test case changes:
- intrinsic test added to the existing /test/CodeGen/AArch64/neon-aba-abd.ll.
- New test cases to cover movi 1D scenario without using the intrinsic in
test/CodeGen/AArch64/neon-mov.ll.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 19:29:14 +00:00
David Blaikie
c3b96bacc8 DwarfDebug/Unit: Remove another case of label recreation by storing the gnu_ranges label in the unit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196793 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 17:51:30 +00:00
Sylvestre Ledru
1a803295d0 Improve the detection of the path
Summary:
When clang is used under GNU/Linux in a chroot without /proc mount, it falls
back on the BSD method. However, since the buf variable is used twice
and fails with snprintf to produce the correct path.

When called as relatived (ie ./clang), it was failing with:
 "" -cc1 [...] -x c++ x.cc
error: unable to execute command: Executable "" doesn't exist!


I also took the opportunity to simply the code (the first arg of test_dir
was useless).

Reviewers: rafael

Reviewed By: rafael

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2361

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196791 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 16:27:00 +00:00
Daniel Sanders
68138dc9a8 [mips][msa] Fix invalid generated code when lowering FrameIndex involving unaligned offsets.
Summary:
The MSA ld.[bhwd] and st.[bhwd] instructions scale the immediate by the
element size before use as an offset. The offset must therefore be a
multiple of the element size to be valid in these instructions. However,
an unaligned base address is valid in MSA.

This commit causes the compiler to emit valid code when the calculated
offset is not a multiple of the element size by accounting for the offset
using addiu and using a zero offset in the load/store.

Depends on D2338

Reviewers: matheusalmeida

Reviewed By: matheusalmeida

Differential Revision: http://llvm-reviews.chandlerc.com/D2339

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196777 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 12:47:12 +00:00
Daniel Sanders
897268d931 [mips][msa] Fix suboptimal FrameIndex lowering for ld.[hwd] and st.[hwd]
Summary:
The immediate in these instructions is scaled before use as an offset.
They therefore have a wider reach than ld.b/st.b.

Reviewers: matheusalmeida

Reviewed By: matheusalmeida

Differential Revision: http://llvm-reviews.chandlerc.com/D2338

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196775 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 11:50:16 +00:00
Vladimir Medic
84744f6916 Method parseSetAssignment treats every operand with '$' sign as register and the parsing is directed to set alias for register. This will result in errors reported when expressions containing label references are parsed(for example long jumps)
As we can't make a complete solution now it has been decided to enable .set directive to handle long jump expressions. This will cause parser to report errors when parsing integer based register assignments, for example:
   .set r3, will be reported as error. Still, the need for expressions is higher priority as the integer based register assignments are Mips specific and can be avoided using register names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196773 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 11:03:25 +00:00
David Majnemer
4062ed8762 ADT: Implement MutableArrayRef::reverse_iterator
This adds rbegin/rend methods to MutableArrayRef, they will be used by a
follow-on commit in clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 09:04:00 +00:00
Venkatraman Govindaraju
847b5d976d [SPARCV9]: Adjust the resultant pointer of DYNAMIC_STACKALLOC with the stack BIAS on sparcV9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 05:13:25 +00:00
Venkatraman Govindaraju
dc50e9af4b [Sparc]: Implement getSetCCResultType() in SparcTargetLowering so that umulo/smulo can be lowered on sparcv9 without an assertion error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196751 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 04:02:15 +00:00
Hao Liu
a339740cb8 [AArch64]Add missing pair intrinsics such as:
int32_t vminv_s32(int32x2_t a)
which should be compiled into SMINP Vd.2S,Vn.2S,Vm.2S


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196749 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 03:51:42 +00:00
Hao Liu
2f3f02f6f5 [AArch64]Pattern match failures for truncate store and extend load
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196748 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-09 03:34:08 +00:00
Venkatraman Govindaraju
e0dc442801 [SparcV9]: Expand MULHU/MULHS:i64 and UMUL_LOHI/SMUL_LOHI:i64 on sparcv9.
This fixes PR18150.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196735 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 22:06:07 +00:00
Manman Ren
8186046028 Revert 196544 due to internal bot failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196732 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 20:28:33 +00:00
Reed Kotler
9bdfe3644f Make sure we mark these registers as defined. Previously was done
in the td file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196731 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 19:21:47 +00:00
Reed Kotler
c9ea75ee5b Cleaning up of prologue/epilogue code for Mips16. First step
here is to make save/restore into variable number of argument instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 16:51:52 +00:00
Tim Northover
7c4342e90b ARM: fix folding of stack-adjustment (yet again).
When trying to eliminate an "sub sp, sp, #N" instruction by folding
it into an existing push/pop using dummy registers, we need to account
for the fact that this might affect precisely how "fp" gets set in the
prologue.

We were attempting this, but assuming that *whenever* we performed a
fold it would make a difference. This is false, for example, in:
    push {r4, r7, lr}
    add fp, sp, #4
    vpush {d8}
    sub sp, sp, #8

we can fold the "sub" into the "vpush", forming "vpush {d7, d8}".
However, in that case the "add fp" instruction mustn't change, which
we were getting wrong before.

Should fix PR18160.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 15:56:50 +00:00
Michael Kuperstein
d34102e551 Fixed CRLF
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196719 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-08 12:16:20 +00:00