that says "unconditional loads from this argument are safe", we now keep track
of the safety per set of indices from which loads happen. This prevents
ArgPromotion from promoting loads that aren't really valid. As an added effect,
this will now disregard the the type of the indices passed to a GEP, so
"load GEP %A, i32 1" and "load GEP %A, i64 1" will result in a single argument,
not two.
This fixes PR2598, for which a testcase has been added as well.
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just it's name, which is often empty. Also remove a newline from the output
that wasn't really needed.
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which is represented in codegen as an 'and' operation. This matches them
with movz instructions, instead of leaving them to be matched by and
instructions with an immediate field.
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a new ilist_node class, and remove them. Unlike alist_node,
ilist_node doesn't attempt to manage storage itself, so it avoids
the associated problems, including being opaque in gdb.
Adjust the Recycler class so that it doesn't depend on alist_node.
Also, change it to use explicit Size and Align parameters, allowing
it to work when the largest-sized node doesn't have the greatest
alignment requirement.
Change MachineInstr's MachineMemOperand list from a pool-backed
alist to a std::list for now.
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because opt exited while llvm-as was still
writing to the pipe, causing it to get a
SIGPIPE. It seems best to change things to
avoid the race altogether.
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circumstances we could end up remapping a dependee to the same instruction
that we're trying to remove. Handle this properly by just falling back to
a conservative solution.
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parallel its analogue, Value::value_use_iterator. The operator* method
now returns the user, rather than the use.
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is to have StrongPHIElimination use its knowledge of the PHIs before they're erased to update the intervals appropriate. This is
both simpler and more accurate than the alternative, which was having LIA figure it out when it renumbered things, plus it's just
the right thing to do!
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by the PHI needs to be extended to the beginning of its basic block, and the intervals that were inputs need to be trimmed to the end
of their basic blocks.
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multiple-valued return values, so that the name CreateRet is just for
creating plain ret statements.
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This is tricky business, and will probably take a few more iterations to get
the last kinks out of it.
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mmx needs its own fancy shuffle logic based on unpack; for now we get correct but awful code.
Also commit Mon Ping's VSETCC patch
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regressions, such as PR2595. Also, there is a significant code-quality
issue in SPEC 464.h264ref and a few others.
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