The SReg_(32|64) register classes contain special registers in addition
to the numbered SGPRs. This can lead to machine verifier errors when
these register classes are used as sub-registers for SReg_128, since
SReg_128 only uses the numbered SGPRs.
Replacing SReg_(32|64) with SGPR_(32|64) fixes this problem, since
the SGPR_(32|64) register classes contain only numbered SGPRs.
Tests cases for this are comming in a later commit.
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It isn't actually used now, and probably never will be, plus it makes
tests less annoying. I also think SC prints GDS instructions as a
separate instruction name.
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The type of the immediates should not matter as long as the encoding is
equivalent to the encoding of one of the legal inline constants.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
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This instructions writes to an 32-bit SGPR. This change required adding
the 32-bit VCC_LO and VCC_HI registers, because the full VCC register
is 64 bits.
This fixes verifier errors on several of the indirect addressing piglit
tests.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
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Added checks for number of operands and operand register classes.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
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operator* on the by-operand iterators to return a MachineOperand& rather than
a MachineInstr&. At this point they almost behave like normal iterators!
Again, this requires making some existing loops more verbose, but should pave
the way for the big range-based for-loop cleanups in the future.
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LDS instructions are pseudo instructions which model
the OQAP defs and uses within a single instruction.
This fixes a hang in the opencv MedianFilter tests.
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the stack of the analysis group because they are all immutable passes.
This is made clear by Craig's recent work to use override
systematically -- we weren't overriding anything for 'finalizePass'
because there is no such thing.
This is kind of a lame restriction on the API -- we can no longer push
and pop things, we just set up the stack and run. However, I'm not
invested in building some better solution on top of the existing
(terrifying) immutable pass and legacy pass manager.
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These are sometimes created by the shrink to boolean optimization in the
globalopt pass.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
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directly care about the Value class (it is templated so that the key can
be any arbitrary Value subclass), it is in fact concretely tied to the
Value class through the ValueHandle's CallbackVH interface which relies
on the key type being some Value subclass to establish the value handle
chain.
Ironically, the unittest is already in the right library.
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Make a call to R600's implementation of verifyInstruction() to
check that instructions are only using legal operands.
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If the SI_KILL operand is constant, we can either clear the exec mask if
the operand is negative, or do nothing otherwise.
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
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