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granicus.if.org Git - llvm/log
Bill Wendling [Sun, 15 Dec 2013 20:58:02 +0000 (20:58 +0000)]
Merging r195710:
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Bill Wendling [Sun, 15 Dec 2013 20:55:09 +0000 (20:55 +0000)]
Merging r197216:
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r197216 | chandlerc | 2013-12-13 00:00:01 -0800 (Fri, 13 Dec 2013) | 9 lines
[inliner] Fix PR18206 by preventing inlining functions that call setjmp
through an invoke instruction.
The original patch for this was written by Mark Seaborn, but I've
reworked his test case into the existing returns_twice test case and
implemented the fix by the prior refactoring to actually run the cost
analysis over invoke instructions, and then here fixing our detection of
the returns_twice attribute to work for both calls and invokes. We never
noticed because we never saw an invoke. =[
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Bill Wendling [Sun, 15 Dec 2013 20:54:53 +0000 (20:54 +0000)]
Merging r197215:
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r197215 | chandlerc | 2013-12-12 23:59:56 -0800 (Thu, 12 Dec 2013) | 24 lines
[inliner] Completely change (and fix) how the inline cost analysis
handles terminator instructions.
The inline cost analysis inheritted some pretty rough handling of
terminator insts from the original cost analysis, and then made it much,
much worse by factoring all of the important analyses into a separate
instruction visitor. That instruction visitor never visited the
terminator.
This works fine for things like conditional branches, but for many other
things we simply computed The Wrong Value. First example are
unconditional branches, which should be free but were counted as full
cost. This is most significant for conditional branches where the
condition simplifies and folds during inlining. We paid a 1 instruction
tax on every branch in a straight line specialized path. =[
Oh, we also claimed that the unreachable instruction had cost.
But it gets worse. Let's consider invoke. We never applied the call
penalty. We never accounted for the cost of the arguments. Nope. Worse
still, we didn't handle the *correctness* constraints of not inlining
recursive invokes, or exception throwing returns_twice functions. Oops.
See PR18206. Sadly, PR18206 requires yet another fix, but this
refactoring is at least a huge step in that direction.
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Hal Finkel [Sat, 14 Dec 2013 14:41:55 +0000 (14:41 +0000)]
Add release notes for the PowerPC backend
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197325
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Bill Wendling [Sat, 14 Dec 2013 08:04:09 +0000 (08:04 +0000)]
Merging r197178:
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r197178 | hfinkel | 2013-12-12 12:45:24 -0800 (Thu, 12 Dec 2013) | 9 lines
Fix a use-after-free error in GlobalOpt CleanupConstantGlobalUsers
GlobalOpt's CleanupConstantGlobalUsers function uses a worklist array to manage
constant users to be visited. The pointers in this array need to be weak
handles because when we delete a constant array, we may also be holding a
pointer to one of its elements (or an element of one of its elements if we're
dealing with an array of arrays) in the worklist.
Fixes PR17347.
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Bill Wendling [Sat, 14 Dec 2013 08:01:30 +0000 (08:01 +0000)]
Merging r197228:
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r197228 | d0k | 2013-12-13 05:40:24 -0800 (Fri, 13 Dec 2013) | 8 lines
X86: When lowering shl_parts, don't emit shift amounts larger than the bit width.
While it's safe for the X86-specific shift nodes, dag combining will
kill generic nodes. Insert an AND to make it safe, isel will nuke it
as x86's shift instructions have an implicit AND.
Fixes PR16108, which contains a contraption to hit this case in between
constant folders.
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Bill Wendling [Fri, 13 Dec 2013 04:19:05 +0000 (04:19 +0000)]
Fix URL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197203
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Bill Wendling [Thu, 12 Dec 2013 06:44:57 +0000 (06:44 +0000)]
Merging r-197100:
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r197100 | hfinkel | 2013-12-11 16:23:29 -0800 (Wed, 11 Dec 2013) | 1 line
Remove unused multiclass from PPCInstrInfo.td
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Bill Wendling [Thu, 12 Dec 2013 06:42:41 +0000 (06:42 +0000)]
Merging r197100:
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r197100 | hfinkel | 2013-12-11 16:23:29 -0800 (Wed, 11 Dec 2013) | 1 line
Remove unused multiclass from PPCInstrInfo.td
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Bill Wendling [Thu, 12 Dec 2013 04:28:52 +0000 (04:28 +0000)]
Merging r197089:
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r197089 | hfinkel | 2013-12-11 15:12:25 -0800 (Wed, 11 Dec 2013) | 6 lines
Fix the PPC subsumes-predicate check
For one predicate to subsume another, they must both check the same condition
register. Failure to check this prerequisite was causing miscompiles.
Fixes PR18003.
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Bill Wendling [Wed, 11 Dec 2013 04:18:46 +0000 (04:18 +0000)]
Add LibBeauty blurb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@197004
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Bill Wendling [Tue, 10 Dec 2013 18:46:12 +0000 (18:46 +0000)]
Merging r196768:
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r196768 | majnemer | 2013-12-09 01:04:00 -0800 (Mon, 09 Dec 2013) | 5 lines
ADT: Implement MutableArrayRef::reverse_iterator
This adds rbegin/rend methods to MutableArrayRef, they will be used by a
follow-on commit in clang.
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Bill Wendling [Tue, 10 Dec 2013 06:42:24 +0000 (06:42 +0000)]
Merging r196858:
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r196858 | nadav | 2013-12-09 17:13:59 -0800 (Mon, 09 Dec 2013) | 1 line
Fix PR18162 - Incorrect assertion assumed that the SDValue resno is zero.
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Bill Wendling [Tue, 10 Dec 2013 04:31:42 +0000 (04:31 +0000)]
Merging r196806:
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r196806 | apazos | 2013-12-09 11:29:14 -0800 (Mon, 09 Dec 2013) | 11 lines
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.
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Bill Wendling [Tue, 10 Dec 2013 04:29:40 +0000 (04:29 +0000)]
Merging r196612:
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Manman Ren [Mon, 9 Dec 2013 21:07:27 +0000 (21:07 +0000)]
Merging r196172:
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r196172 | mren | 2013-12-02 16:12:14 -0800 (Mon, 02 Dec 2013) | 4 lines
Debug Info: rename getDebugInfoVersionFromModule to getDebugMetadataVersionFromModule.
Suggested by Eric.
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Manman Ren [Mon, 9 Dec 2013 21:06:30 +0000 (21:06 +0000)]
Merging r196158:
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r196158 | mren | 2013-12-02 13:29:56 -0800 (Mon, 02 Dec 2013) | 12 lines
Debug Info: drop debug info via upgrading path if version number does not match.
Add a helper function getDebugInfoVersionFromModule to return the debug info
version number for a module.
"Verifier/module-flags-1.ll" checks for verification errors.
It will seg fault when calling getDebugInfoVersionFromModule because of the
incorrect format for module flags in the testing case. We make
getModuleFlagsMetadata more robust by checking for error conditions.
PR17982
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Manman Ren [Mon, 9 Dec 2013 21:05:36 +0000 (21:05 +0000)]
Merging r196156:
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r196156 | mren | 2013-12-02 13:25:56 -0800 (Mon, 02 Dec 2013) | 2 lines
Update Ocaml/vmcore.ml to emit a "Debug Info Version" module flag.
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Manman Ren [Mon, 9 Dec 2013 21:03:35 +0000 (21:03 +0000)]
Merging r196144:
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r196144 | mren | 2013-12-02 12:09:52 -0800 (Mon, 02 Dec 2013) | 4 lines
Debug Info: Move the constant for Debug Info Version from Dwarf.h to Metadata.h.
Suggested by Eric.
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Manman Ren [Mon, 9 Dec 2013 21:01:06 +0000 (21:01 +0000)]
Merging r195535:
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r195535 | mren | 2013-11-22 17:16:29 -0800 (Fri, 22 Nov 2013) | 8 lines
Debug Info: update testing cases to specify the debug info version number.
We are going to drop debug info without a version number or with a different
version number, to make sure we don't crash when we see bitcode files with
different debug info metadata format.
Make tests more robust by removing hard-coded metadata numbers in CHECK lines.
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Manman Ren [Mon, 9 Dec 2013 21:00:02 +0000 (21:00 +0000)]
Merging r195505:
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r195505 | mren | 2013-11-22 14:06:31 -0800 (Fri, 22 Nov 2013) | 8 lines
Debug Info: move StripDebugInfo from StripSymbols.cpp to DebugInfo.cpp.
We can share the implementation between StripSymbols and dropping debug info
for metadata versions that do not match.
Also update the comments to match the implementation. A follow-on patch will
drop the "Debug Info Version" module flag in StripDebugInfo.
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Manman Ren [Mon, 9 Dec 2013 20:58:24 +0000 (20:58 +0000)]
Merging r195504:
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r195504 | mren | 2013-11-22 13:49:45 -0800 (Fri, 22 Nov 2013) | 6 lines
Debug Info: update testing cases to specify the debug info version number.
We are going to drop debug info without a version number or with a different
version number, to make sure we don't crash when we see bitcode files with
different debug info metadata format.
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Tim Northover [Mon, 9 Dec 2013 10:48:32 +0000 (10:48 +0000)]
Merge rest of r196210. Some bits strayed into r196701, turning 3.4 red. This
should fix the issue.
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r196210 | haoliu | 2013-12-03 06:06:55 +0000 (Tue, 03 Dec 2013) | 3 lines
[AArch64]Add missing floating point convert, round and misc intrinsics.
E.g. int64x1_t vcvt_s64_f64(float64x1_t a) -> FCVTZS Dd, Dn
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Tim Northover [Mon, 9 Dec 2013 09:05:30 +0000 (09:05 +0000)]
Merge r196725 (conflicts on same API as before):
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r196725 | tnorthover | 2013-12-08 15:56:50 +0000 (Sun, 08 Dec 2013) |
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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.
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Bill Wendling [Mon, 9 Dec 2013 08:56:18 +0000 (08:56 +0000)]
Merging r196751:
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r196751 | venkatra | 2013-12-08 20:02:15 -0800 (Sun, 08 Dec 2013) | 3 lines
[Sparc]: Implement getSetCCResultType() in SparcTargetLowering so that umulo/smulo can be lowered on sparcv9 without an assertion error.
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Bill Wendling [Mon, 9 Dec 2013 08:55:55 +0000 (08:55 +0000)]
Merging r196755:
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r196755 | venkatra | 2013-12-08 21:13:25 -0800 (Sun, 08 Dec 2013) | 2 lines
[SPARCV9]: Adjust the resultant pointer of DYNAMIC_STACKALLOC with the stack BIAS on sparcV9.
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Bill Wendling [Mon, 9 Dec 2013 08:36:26 +0000 (08:36 +0000)]
Merging r195495:
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Bill Wendling [Mon, 9 Dec 2013 08:35:51 +0000 (08:35 +0000)]
Merging r195494:
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r195494 | mren | 2013-11-22 11:41:59 -0800 (Fri, 22 Nov 2013) | 4 lines
Debug Info: add a constant for debug info version number.
This will be used to output the debug info version number as a module flag.
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Bill Wendling [Mon, 9 Dec 2013 01:54:36 +0000 (01:54 +0000)]
Merging r196735:
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r196735 | venkatra | 2013-12-08 14:06:07 -0800 (Sun, 08 Dec 2013) | 3 lines
[SparcV9]: Expand MULHU/MULHS:i64 and UMUL_LOHI/SMUL_LOHI:i64 on sparcv9.
This fixes PR18150.
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Tim Northover [Sun, 8 Dec 2013 08:12:20 +0000 (08:12 +0000)]
Merging r196493. Simple conflict due to change API of updated
function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196717
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Bill Wendling [Sun, 8 Dec 2013 00:25:40 +0000 (00:25 +0000)]
Merging r196638:
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r196638 | arsenm | 2013-12-06 18:58:45 -0800 (Fri, 06 Dec 2013) | 1 line
Fix assert with copy from global through addrspacecast
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Bill Wendling [Sun, 8 Dec 2013 00:25:14 +0000 (00:25 +0000)]
Merging r196668:
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Bill Wendling [Sun, 8 Dec 2013 00:23:35 +0000 (00:23 +0000)]
Merging r196637:
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r196637 | arsenm | 2013-12-06 18:58:41 -0800 (Fri, 06 Dec 2013) | 1 line
Add getBitCastOrAddrSpaceCast
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Bill Wendling [Sun, 8 Dec 2013 00:19:49 +0000 (00:19 +0000)]
--- Reverse-merging r196668 into '.':
U lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
U test/Transforms/InstCombine/addrspacecast.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196705
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Bill Wendling [Sun, 8 Dec 2013 00:17:29 +0000 (00:17 +0000)]
Merging r196588:
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r196588 | weimingz | 2013-12-06 09:56:48 -0800 (Fri, 06 Dec 2013) | 7 lines
Bug 18149: [AArch32] VSel instructions has no ARMCC field
The current peephole optimizing for compare inst assumes an instr that
uses CPSR has an MO for ARM Cond code.However, for VSEL instructions
(vseqeq, vselgt, vselgt, vselvs), there is no such operand nor do
they support the modification of Cond Code.
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Bill Wendling [Sun, 8 Dec 2013 00:08:32 +0000 (00:08 +0000)]
Merging r196535:
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Bill Wendling [Sun, 8 Dec 2013 00:08:20 +0000 (00:08 +0000)]
Merging r196533:
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r196533 | apazos | 2013-12-05 13:07:49 -0800 (Thu, 05 Dec 2013) | 3 lines
Implemented vget/vset_lane_f16 intrinsics
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Bill Wendling [Sun, 8 Dec 2013 00:07:48 +0000 (00:07 +0000)]
Merging r196456:
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r196456 | jiangning | 2013-12-04 18:12:01 -0800 (Wed, 04 Dec 2013) | 2 lines
For AArch64, add missing register cost calculation for big value types like v4i64 and v8i64.
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Bill Wendling [Sun, 8 Dec 2013 00:07:30 +0000 (00:07 +0000)]
Merging r196362:
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r196362 | kevinqin | 2013-12-04 00:02:34 -0800 (Wed, 04 Dec 2013) | 1 line
[AArch64 Neon] Add ACLE intrinsic vceqz_f64.
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Bill Wendling [Sun, 8 Dec 2013 00:07:14 +0000 (00:07 +0000)]
Merging r196361:
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Bill Wendling [Sun, 8 Dec 2013 00:07:01 +0000 (00:07 +0000)]
Merging r196360:
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r196360 | kevinqin | 2013-12-03 23:53:28 -0800 (Tue, 03 Dec 2013) | 1 line
[AArch64 NEON] Add missing compare intrinsics.
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Bill Wendling [Sun, 8 Dec 2013 00:06:43 +0000 (00:06 +0000)]
Merging r196359:
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Bill Wendling [Sun, 8 Dec 2013 00:06:30 +0000 (00:06 +0000)]
Merging r196211:
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Bill Wendling [Sun, 8 Dec 2013 00:06:17 +0000 (00:06 +0000)]
Merging r196209:
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Bill Wendling [Sun, 8 Dec 2013 00:06:05 +0000 (00:06 +0000)]
Merging r196208:
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r196208 | haoliu | 2013-12-02 21:58:30 -0800 (Mon, 02 Dec 2013) | 3 lines
AArch64: add missing ACLE intrinsics mapping to general arithmetic operation from VFP instructions.
E.g. float64x1_t vadd_f64(float64x1_t a, float64x1_t b) -> FADD Dd, Dn, Dm.
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Bill Wendling [Sun, 8 Dec 2013 00:05:49 +0000 (00:05 +0000)]
Merging r196199:
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Bill Wendling [Sun, 8 Dec 2013 00:05:35 +0000 (00:05 +0000)]
Merging r196198:
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r196198 | haoliu | 2013-12-02 19:39:47 -0800 (Mon, 02 Dec 2013) | 3 lines
AArch64: Add missing scalar pair intrinsics.
E.g. "float32_t vaddv_f32(float32x2_t a)" to be matched into "faddp s0, v1.2s".
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Bill Wendling [Sun, 8 Dec 2013 00:05:18 +0000 (00:05 +0000)]
Merging r196192:
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r196192 | jiangning | 2013-12-02 17:33:52 -0800 (Mon, 02 Dec 2013) | 2 lines
Add some missing pattern matches for AArch64 Neon intrinsics like vuqadd_s64 and friends.
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Bill Wendling [Sun, 8 Dec 2013 00:05:00 +0000 (00:05 +0000)]
Merging r196191:
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Bill Wendling [Sun, 8 Dec 2013 00:04:47 +0000 (00:04 +0000)]
Merging r196190:
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r196190 | jiangning | 2013-12-02 17:29:32 -0800 (Mon, 02 Dec 2013) | 2 lines
Add some missing pattern matches for AArch64 Neon intrinsics like vmull_high_n_s16 and friends.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196688
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Bill Wendling [Sun, 8 Dec 2013 00:04:29 +0000 (00:04 +0000)]
Merging r196189:
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196687
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Bill Wendling [Sat, 7 Dec 2013 21:24:29 +0000 (21:24 +0000)]
Merging r196638:
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r196638 | arsenm | 2013-12-06 18:58:45 -0800 (Fri, 06 Dec 2013) | 1 line
Fix assert with copy from global through addrspacecast
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196668
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Bill Wendling [Sat, 7 Dec 2013 21:18:41 +0000 (21:18 +0000)]
Merging r196658:
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196665
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Bill Wendling [Sat, 7 Dec 2013 09:39:53 +0000 (09:39 +0000)]
Merging r196391:
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r196391 | hliao | 2013-12-04 09:44:22 -0800 (Wed, 04 Dec 2013) | 5 lines
[X86] Check YMM31/ZMM31 as well
- No test case as there's no calling convention preserve YMM31/ZMM31 only
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196653
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Bill Wendling [Sat, 7 Dec 2013 09:39:35 +0000 (09:39 +0000)]
Merging r196261:
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r196261 | hliao | 2013-12-03 01:17:32 -0800 (Tue, 03 Dec 2013) | 13 lines
Enhance the fix of PR17631
- The fix to PR17631 fixes part of the cases where 'vzeroupper' should
not be issued before 'call' insn. There're other cases where helper
calls will be inserted not limited to epilog. These helper calls do
not follow the standard calling convention and won't clobber any YMM
registers. (So far, all call conventions will clobber any or part of
YMM registers.)
This patch enhances the previous fix to cover more cases 'vzerosupper' should
not be inserted by checking if that function call won't clobber any YMM
registers and skipping it if so.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196652
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Bill Wendling [Sat, 7 Dec 2013 09:36:35 +0000 (09:36 +0000)]
Merging r196269:
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r196269 | jamesm | 2013-12-03 03:23:11 -0800 (Tue, 03 Dec 2013) | 5 lines
Addrspacecasts are no-ops on ARM.
Testcase added.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196651
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Bill Wendling [Sat, 7 Dec 2013 09:35:00 +0000 (09:35 +0000)]
Merging r196369:
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r196369 | void | 2013-12-04 01:42:49 -0800 (Wed, 04 Dec 2013) | 1 line
Update email address.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196650
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Bill Wendling [Sat, 7 Dec 2013 09:31:26 +0000 (09:31 +0000)]
Merging r196294:
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r196294 | arnolds | 2013-12-03 08:33:06 -0800 (Tue, 03 Dec 2013) | 7 lines
opt: Mirror vectorization presets of clang
clang enables vectorization at optimization levels > 1 and size level < 2. opt
should behave similarily.
Loop vectorization and SLP vectorization can be disabled with the flags
-disable-(loop/slp)-vectorization.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196649
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Bill Wendling [Fri, 6 Dec 2013 22:12:13 +0000 (22:12 +0000)]
Merging r196611:
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r196611 | dexonsmith | 2013-12-06 13:48:36 -0800 (Fri, 06 Dec 2013) | 5 lines
Don't use isNullValue to evaluate ConstantExpr
ConstantExpr can evaluate to false even when isNullValue gives false.
Fixes PR18143.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196614
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Roman Divacky [Fri, 6 Dec 2013 20:04:30 +0000 (20:04 +0000)]
Mention sparc backend improvements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196603
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Bill Wendling [Fri, 6 Dec 2013 19:12:09 +0000 (19:12 +0000)]
Merging r196538:
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Bill Wendling [Fri, 6 Dec 2013 19:11:51 +0000 (19:11 +0000)]
Merging r196532:
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196594
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Bill Wendling [Fri, 6 Dec 2013 09:10:19 +0000 (09:10 +0000)]
Merging r196508:
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r196508 | arnolds | 2013-12-05 07:14:40 -0800 (Thu, 05 Dec 2013) | 12 lines
SLPVectorizer: An in-tree vectorized entry cannot also be a scalar external use
We were creating external uses for scalar values in MustGather entries that also
had a ScalarToTreeEntry (they also are present in a vectorized tuple). This
meant we would keep a value 'alive' as a scalar and vectorized causing havoc.
This is not necessary because when we create a MustGather vector we explicitly
create external uses entries for the insertelement instructions of the
MustGather vector elements.
Fixes PR18129.
radar://
15582184
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196571
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Bill Wendling [Thu, 5 Dec 2013 18:29:11 +0000 (18:29 +0000)]
Revert r191049 and r191059. They were causing failures. See PR17975.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196521
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Richard Sandiford [Tue, 3 Dec 2013 11:05:09 +0000 (11:05 +0000)]
Merging r196267:
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r196267 | rsandifo | 2013-12-03 11:01:54 +0000 (Tue, 03 Dec 2013) | 12 lines
[SystemZ] Fix choice of known-zero mask in insertion optimization
The backend converts 64-bit ORs into subreg moves if the upper 32 bits
of one operand and the low 32 bits of the other are known to be zero.
It then tries to peel away redundant ANDs from the upper 32 bits.
Since AND masks are canonicalized to exclude known-zero bits,
the test ORs the mask and the known-zero bits together before
checking for redundancy. The problem was that it was using the
wrong node when checking for known-zero bits, so could drop ANDs
that were still needed.
------------------------------------------------------------------------
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Bill Wendling [Tue, 3 Dec 2013 07:38:45 +0000 (07:38 +0000)]
Merging r196153:
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Bill Wendling [Tue, 3 Dec 2013 07:38:30 +0000 (07:38 +0000)]
Merging r196151:
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r196151 | mcrosier | 2013-12-02 13:05:16 -0800 (Mon, 02 Dec 2013) | 2 lines
[AArch64] Implemented vcopy_lane patterns using scalar DUP instruction.
Patch by Ana Pazos!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196230
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Bill Wendling [Mon, 2 Dec 2013 19:24:08 +0000 (19:24 +0000)]
Merging r196104:
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r196104 | rafael | 2013-12-02 06:59:34 -0800 (Mon, 02 Dec 2013) | 1 line
Output .eh_frames on COFF too now that the integrated as is used on mingw.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196137
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Bill Wendling [Mon, 2 Dec 2013 19:21:10 +0000 (19:21 +0000)]
Merging r196069:
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r196069 | alp | 2013-12-01 23:15:33 -0800 (Sun, 01 Dec 2013) | 6 lines
Update the LTO GoldPlugin documentation
* Update build instructions to reflect the current source tree layout.
* Don't inflict CVS on readers; there's a perfectly good git mirror.
* configure with --disable-werror making it possible to build using clang.
* ar and nm-new now support the -plugin option.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196136
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Bill Wendling [Mon, 2 Dec 2013 19:20:45 +0000 (19:20 +0000)]
Merging r196100:
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r196100 | alp | 2013-12-02 06:17:47 -0800 (Mon, 02 Dec 2013) | 4 lines
Cut the gold plugin README down to size
This file hasn't been updated in years. Remove old information and point to
the current documentation at GoldPlugin.rst.
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196135
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Bill Wendling [Mon, 2 Dec 2013 19:18:50 +0000 (19:18 +0000)]
Merging r195912:
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r195912 | whitequark | 2013-11-28 01:03:28 -0800 (Thu, 28 Nov 2013) | 1 line
[OCaml] Add a slash accidentally omitted from Makefile
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196133
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Bill Wendling [Mon, 2 Dec 2013 19:14:12 +0000 (19:14 +0000)]
Merging r196129:
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r196129 | kkhoo | 2013-12-02 10:43:59 -0800 (Mon, 02 Dec 2013) | 1 line
Conservative fix for PR17827 - don't optimize a shift + and + compare sequence where the shift is logical unless the comparison is unsigned
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196132
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Bill Wendling [Mon, 2 Dec 2013 07:38:06 +0000 (07:38 +0000)]
Merging r196046:
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r196046 | tnorthover | 2013-12-01 06:16:24 -0800 (Sun, 01 Dec 2013) | 8 lines
ARM: fix bug in -Oz stack adjustment folding
Previously, we clobbered callee-saved registers when folding an "add
sp, #N" into a "pop {rD, ...}" instruction. This change checks whether
a register we're going to add to the "pop" could actually be live
outside the function before doing so and should fix the issue.
This should fix PR18081.
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Bill Wendling [Mon, 2 Dec 2013 07:37:46 +0000 (07:37 +0000)]
Merging r195401:
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r195401 | lhames | 2013-11-21 16:46:32 -0800 (Thu, 21 Nov 2013) | 8 lines
Fix a typo where we were creating <def,kill> operands instead of
<def,dead> ones.
Add an assertion to make sure we catch this in the future.
Fixes <rdar://problem/
15464559 >.
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Bill Wendling [Mon, 2 Dec 2013 07:35:19 +0000 (07:35 +0000)]
Merging r196045:
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Bill Wendling [Mon, 2 Dec 2013 07:35:04 +0000 (07:35 +0000)]
Merging r196044:
------------------------------------------------------------------------
r196044 | d0k | 2013-12-01 03:47:42 -0800 (Sun, 01 Dec 2013) | 6 lines
Revamp error checking in the ms inline asm parser.
- Actually abort when an error occurred.
- Check that the frontend lookup worked when parsing length/size/type operators.
Tested by a clang test. PR18096.
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Daniel Sanders [Sun, 1 Dec 2013 15:54:07 +0000 (15:54 +0000)]
Merged r195973:
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r195973 | dsanders | 2013-11-30 13:47:57 +0000 (Sat, 30 Nov 2013) | 5 lines
[mips][msa] MSA loads and stores have a 10-bit offset. Account for this when lowering FrameIndex.
This prevents the compiler from emitting invalid ld.[bhwd]'s and st.[bhwd]'s
when the stack frame is between 512 and 32,768 bytes in size.
------------------------------------------------------------------------
Review of this commit by Matheus Almeida revealed that it is still possible to
emit invalid code (when the offset is not a multiple of the element size).
However, we agreed that this commit still represents an improvement since it
fixes many cases that previously emitted invalid code, and does not cause any
cases that previously emitted valid code to emit invalid code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196049
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Daniel Sanders [Sun, 1 Dec 2013 15:09:25 +0000 (15:09 +0000)]
Merged r195972:
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r195972 | dsanders | 2013-11-30 13:15:21 +0000 (Sat, 30 Nov 2013) | 5 lines
[mips][msa] A small refactor to reduce patch noise in my next commit
No functional change. An if-statement has been split into two nested if-statements.
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Daniel Sanders [Sun, 1 Dec 2013 10:45:26 +0000 (10:45 +0000)]
Merged from r195975 and r195976.
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r195975 | zjovanovic | 2013-11-30 19:12:28 +0000 (Sat, 30 Nov 2013) | 1 line
Fixed issue with microMIPS long branch.
------------------------------------------------------------------------
r195976 | zjovanovic | 2013-11-30 19:13:15 +0000 (Sat, 30 Nov 2013) | 1 line
Test case for issue with microMIPS long branch.
------------------------------------------------------------------------
To expand on those commit messages:
The immediate in a MIPS branch is multiplied by the instruction size before use
as an offset. For many MIPS ISA's this is 4 bytes, but for microMIPS it is 2
bytes. This commit corrects the scale factor used for microMIPS so that attempts
to use large offsets result in a valid sequence of instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196043
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Bill Wendling [Sun, 1 Dec 2013 04:40:32 +0000 (04:40 +0000)]
--- Reverse-merging r195823 into '.':
U lib/MC/MCSectionCOFF.cpp
U lib/CodeGen/TargetLoweringObjectFileImpl.cpp
U test/MC/COFF/weak-symbol.ll
U test/MC/COFF/tricky-names.ll
G .
--- Recording mergeinfo for reverse merge of r195823 into '.':
G .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196036
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Bill Wendling [Sun, 1 Dec 2013 04:39:02 +0000 (04:39 +0000)]
Merging r195943:
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Bill Wendling [Sun, 1 Dec 2013 04:38:49 +0000 (04:38 +0000)]
Merging r195942:
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Bill Wendling [Sun, 1 Dec 2013 04:38:36 +0000 (04:38 +0000)]
Merging r195941:
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r195941 | haoliu | 2013-11-28 18:11:22 -0800 (Thu, 28 Nov 2013) | 4 lines
AArch64: The pattern match should check the range of the immediate value.
Or we can generate some illegal instructions.
E.g. shrn2 v0.4s, v1.2d, #35. The legal range should be in [1, 16].
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Bill Wendling [Sun, 1 Dec 2013 04:38:19 +0000 (04:38 +0000)]
Merging r195940:
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Bill Wendling [Sun, 1 Dec 2013 04:38:07 +0000 (04:38 +0000)]
Merging r195939:
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r195939 | jiangning | 2013-11-28 17:38:08 -0800 (Thu, 28 Nov 2013) | 2 lines
Add missing test case for bsl_f64 support of AArch64 NEON.
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Bill Wendling [Sun, 1 Dec 2013 04:37:52 +0000 (04:37 +0000)]
Merging r195938:
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r195938 | jiangning | 2013-11-28 17:37:15 -0800 (Thu, 28 Nov 2013) | 3 lines
Add missing pattern for supporting intrinsic function vbsl_f64 with
argument double floating point.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196030
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Bill Wendling [Sun, 1 Dec 2013 04:37:38 +0000 (04:37 +0000)]
Merging r195937:
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Bill Wendling [Sun, 1 Dec 2013 04:37:25 +0000 (04:37 +0000)]
Merging r195936:
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r195936 | kevinqin | 2013-11-28 17:29:16 -0800 (Thu, 28 Nov 2013) | 1 line
[AArch64 NEON]Fix a assertion failure when disassemble SHLL instruction.
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Bill Wendling [Sun, 1 Dec 2013 04:37:07 +0000 (04:37 +0000)]
Merging r195932:
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r195932 | d0k | 2013-11-28 11:58:56 -0800 (Thu, 28 Nov 2013) | 3 lines
Silence sign-compare warning and reduce nesting.
No functionality change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196027
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Bill Wendling [Sun, 1 Dec 2013 04:36:53 +0000 (04:36 +0000)]
Merging r195905:
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r195905 | jiangning | 2013-11-27 17:34:55 -0800 (Wed, 27 Nov 2013) | 3 lines
Remove the variable only used by assert to avoid the build failure
caused by build options [-Werror,-Wunused-variable].
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Bill Wendling [Sun, 1 Dec 2013 04:36:39 +0000 (04:36 +0000)]
Merging r195903:
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r195903 | haoliu | 2013-11-27 17:07:45 -0800 (Wed, 27 Nov 2013) | 2 lines
AArch64: Fix a bug about disassembling post-index load single element to 4 vectors
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Bill Wendling [Sun, 1 Dec 2013 04:36:22 +0000 (04:36 +0000)]
Merging r195844:
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Bill Wendling [Sun, 1 Dec 2013 03:36:55 +0000 (03:36 +0000)]
Merging r196004:
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r196004 | void | 2013-11-30 19:36:07 -0800 (Sat, 30 Nov 2013) | 3 lines
Use 'unsigned char' to get this past gcc error message:
error: invalid conversion from 'unsigned char' to '{anonymous}::Sequence'
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Bill Wendling [Sun, 1 Dec 2013 03:30:51 +0000 (03:30 +0000)]
Merging r195590:
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r195590 | chapuni | 2013-11-24 16:52:46 -0800 (Sun, 24 Nov 2013) | 1 line
SparcFrameLowering.cpp: Prune 'DL' [-Wunused-variable]
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196003
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Bill Wendling [Sun, 1 Dec 2013 03:20:44 +0000 (03:20 +0000)]
Merging r195915:
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r195915 | dsanders | 2013-11-28 01:36:44 -0800 (Thu, 28 Nov 2013) | 2 lines
As myself as code-owner of the MIPS backend (lib/Target/Mips/*)
------------------------------------------------------------------------
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Bill Wendling [Sun, 1 Dec 2013 03:19:10 +0000 (03:19 +0000)]
Merging r195677:
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r195677 | dpeixott | 2013-11-25 11:11:13 -0800 (Mon, 25 Nov 2013) | 41 lines
ARM integrated assembler generates incorrect nop opcode
This patch fixes a bug in the assembler that was causing bad code to
be emitted. When switching modes in an assembly file (e.g. arm to
thumb mode) we would always emit the opcode from the original mode.
Consider this small example:
$ cat align.s
.code 16
foo:
add r0, r0
.align 3
add r0, r0
$ llvm-mc -triple armv7-none-linux align.s -filetype=obj -o t.o
$ llvm-objdump -triple thumbv7 -d t.o
Disassembly of section .text:
foo:
0: 00 44 add r0, r0
2: 00 f0 20 e3 blx #
4195904
6: 00 00 movs r0, r0
8: 00 44 add r0, r0
This shows that we have actually emitted an arm nop (
e320f000 )
instead of a thumb nop. Unfortunately, this encodes to a thumb
branch which causes bad things to happen when compiling assembly
code with align directives.
The fix is to notify the ARMAsmBackend when we switch mode. The
MCMachOStreamer was already doing this correctly. This patch makes
the same change for the MCElfStreamer.
There is still a bug in the way nops are emitted for alignment
because the MCAlignment fragment does not store the correct mode.
The ARMAsmBackend will emit nops for the last mode it knew about. In
the example above, we still generate an arm nop if we add a `.code
32` to the end of the file.
PR18019
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Bill Wendling [Sun, 1 Dec 2013 03:15:22 +0000 (03:15 +0000)]
Merging r195881:
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r195881 | tstellar | 2013-11-27 13:23:39 -0800 (Wed, 27 Nov 2013) | 3 lines
R600: Expand vector FABS
NOTE: This is a candidate for the 3.4 branch.
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Bill Wendling [Sun, 1 Dec 2013 03:14:50 +0000 (03:14 +0000)]
Merging r195879:
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r195879 | tstellar | 2013-11-27 13:23:29 -0800 (Wed, 27 Nov 2013) | 6 lines
R600/SI: Use SGPR_32 register class for 32-bit SMRD outputs
Writing to the M0 register from an SMRD instruction hangs the GPU, so
we need to use the SGPR_32 register class, which does not include M0.
NOTE: This is a candidate for the 3.4 branch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195999
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Bill Wendling [Sun, 1 Dec 2013 03:13:21 +0000 (03:13 +0000)]
Merging r195878:
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r195878 | tstellar | 2013-11-27 13:23:20 -0800 (Wed, 27 Nov 2013) | 3 lines
R600: Add support for ISD::FROUND
NOTE: This is a candidate for the 3.4 branch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195998
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Bill Wendling [Sun, 1 Dec 2013 03:11:03 +0000 (03:11 +0000)]
Merging r195843:
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r195843 | jiangning | 2013-11-27 06:02:25 -0800 (Wed, 27 Nov 2013) | 2 lines
Fix the AArch64 NEON bug exposed by checking constant integer argument range of ACLE intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@195997
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