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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142332 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142321 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142303 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142299 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142297 91177308-0d34-0410-b5e6-96231b3b80d8
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Use the custom inserter for the ARM setjmp intrinsics. Instead of creating the
SjLj dispatch table in IR, where it frequently violates serveral assumptions --
in particular assumptions made by the landingpad instruction about what can
branch to a landing pad and what cannot. Performing this in the back-end allows
us to violate these assumptions without the IR getting angry at us.
It also allows us to perform a small optimization. We can shove the address of
the dispatch's basic block into the function context and not have to add code
around the setjmp to check for the return value and jump to the dispatch.
Neat, huh?
<rdar://problem/10116753>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142294 91177308-0d34-0410-b5e6-96231b3b80d8
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NEON immediates are "interesting". Start of the work to handle parsing them
in an 'as' compatible manner. Getting the matcher to play nicely with
these and the floating point immediates from VFP is an extra fun wrinkle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142293 91177308-0d34-0410-b5e6-96231b3b80d8
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pass renumbers the blocks again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142258 91177308-0d34-0410-b5e6-96231b3b80d8
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lowered to. This fixes a lot of verifier failures on the test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142254 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142248 91177308-0d34-0410-b5e6-96231b3b80d8
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Once the intrinsics are marked as having a custom inserter, it will call this
method to emit the dispatch table into the machine function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142245 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Joe Abbey <jabbey@arxan.com>.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142204 91177308-0d34-0410-b5e6-96231b3b80d8
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There is no reason to have simple IR level pass in lib/Target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142200 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142176 91177308-0d34-0410-b5e6-96231b3b80d8
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These missing flags show up as errors when running -verify-coalescing on
test-suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142111 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142110 91177308-0d34-0410-b5e6-96231b3b80d8
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promoting elements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142080 91177308-0d34-0410-b5e6-96231b3b80d8
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It really doesn't, but when r141929 removed the hasSideEffects flag from
this instruction, it caused miscompilations. I am guessing that it got
moved across a stack pointer update.
Also clear isRematerializable after checking that this instruction is
in fact never rematerialized in the nightly test suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142030 91177308-0d34-0410-b5e6-96231b3b80d8
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rdar://10288916 is tracking this fix.
In the past, instcombine and other passes were promoting alloca alignment past
the natural alignment, resulting in dynamic stack realignment. Lang's work now
prevents this from happening (LLVM commit r141599). Now that this really
shouldn't happen report a fatal error rather than silently generate bad code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142028 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142027 91177308-0d34-0410-b5e6-96231b3b80d8
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Fixes PR11129.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142022 91177308-0d34-0410-b5e6-96231b3b80d8
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machine op.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142021 91177308-0d34-0410-b5e6-96231b3b80d8
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registers.
The callee-saved registers cannot be live across an invoke call because the
control flow may continue along the exceptional edge. When this happens, all of
the callee-saved registers are no longer valid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142018 91177308-0d34-0410-b5e6-96231b3b80d8
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assert("bad SymbolicOp.VariantKind");
To:
assert(0 && "bad SymbolicOp.VariantKind");
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142000 91177308-0d34-0410-b5e6-96231b3b80d8
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TableGen infers unmodeled side effects on instructions without a
pattern. Fix some instruction definitions where that was overlooked.
Also raise an error if a rematerializable instruction has unmodeled side
effects. That doen't make any sense.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141914 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141903 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141874 91177308-0d34-0410-b5e6-96231b3b80d8
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The disassembler needs to use the AM5 factory methods instead of just
building up the immediate directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141819 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141811 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141794 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141786 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141781 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141780 91177308-0d34-0410-b5e6-96231b3b80d8
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When widening a copy, we are reading a larger register that may not be
live. Use an <undef> flag to tell the register scavenger and machine
code verifier that we know the value isn't defined.
We now widen:
%S6<def> = COPY %S4<kill>, %D3<imp-def>
into:
%D3<def> = VMOVD %D2<undef>, pred:14, pred:%noreg, %S4<imp-use,kill>
This also keeps the <kill> flag on %S4 so we don't inadvertently kill a
live value in %S5.
Finally, ensure that ARMBaseInstrInfo::setExecutionDomain() preserves
the <undef> flag when converting VMOVD to VORR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141746 91177308-0d34-0410-b5e6-96231b3b80d8
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Fill out the rest of the encoding information, update to properly mark
the LDC/STC instructions as predicable while the LDC2/STC2 instructions are
not, and adjust the parser accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141721 91177308-0d34-0410-b5e6-96231b3b80d8
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and ReedSolomon. Boo...
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We parse at least some forms of the instructions now. Encoding is
pretty screwed up, still, though.
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The VMOVS widening needs to look at the implicit COPY operands. Trying
to dig out the COPY instruction from an iterator in copyPhysReg() is the
wrong approach.
The expandPostRAPseudo() hook gets to look at COPY instructions before
they are converted to copyPhysReg() calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141619 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141602 91177308-0d34-0410-b5e6-96231b3b80d8
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promoting allocas to preferred alignments that exceed the natural
alignment. This avoids some potentially expensive dynamic stack realignments.
The natural stack alignment is set in target data strings via the "S<size>"
option. Size is in bits and must be a multiple of 8. The natural stack alignment
defaults to "unspecified" (represented by a zero value), and the "unspecified"
value does not prevent any alignment promotions. Target maintainers that care
about avoiding promotions should explicitly add the "S<size>" option to their
target data strings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141592 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141591 91177308-0d34-0410-b5e6-96231b3b80d8
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block. E.g., if we have:
movs r1, r1
rsb r1, 0
movs r2, r2
rsb r2, 0
we don't want this to be converted to:
movs r1, r1
movs r2, r2
itt mi
rsb r1, 0
rsb r2, 0
PR11107 & <rdar://problem/10259534>
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hang, and possibly SPEC/CINT2006/464_h264ref.
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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.
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