needed for this test, but otherwise, there's nothing ARM-specific about
it and no need to specify the calling convention.
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line. Turns out edit_distance can be slow if the string we are scanning for
happens to be quite large.
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This bug was exposed by my inliner cost changes in r94615, and caused failures
of lencod on most architectures when building with LTO.
This patch fixes lencod and 464.h264ref on x86-64 (and likely others).
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- This test case is auto generated, and has been verified to round-trip
correctly through llvm-mc by checking the assembled .o file before and after
piping through llvm-mc. It will be extended over time as the matcher grows
support for more instructions.
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bit (Inst{22}) and the M bit (Inst{5}) should be left unspecified. For binary
format instructions, Inst{6} and Inst{4} need to specified for proper decodings.
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create a testcase where this matters. The select+load transformation only
occurs when isSafeToLoadUnconditionally is true, and in those situations,
instcombine also changes the underlying objects to be aligned. This seems
like a good idea regardless, and I've verified that it doesn't pessimize
the subsequent realignment.
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Before:
<stdin>:94:1: note: possible intended match here
movsd 4096(%rsi), %xmm0
^
After:
<stdin>:94:2: note: possible intended match here
movsd 4096(%rsi), %xmm0
^
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that loads its contents lazily from bitcode. I think these are the
only remaining mis-named functions.
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(via APInt &RHSKnownZero = KnownZero, etc) seems dangerous and confusing to me: it
is easy not to notice this, and then wonder why KnownZero/RHSKnownZero changed
underneath you when you modified RHSKnownZero/KnownZero etc. So get rid of this.
No intended functionality change (tested with "make check" + llvm-gcc bootstrap).
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library as a static and a shared library. Added dependencies
so the target-specific enhanced disassembly info tables are
built before the library.
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"visit*" method is called, take the newly created nodes, walk them in a DFS
fashion, and if they don't have an ordering set, then give it one.
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getelementptr (i8* inttoptr (i64 1 to i8*), i32 -1)
to
inttoptr (i64 0 to i8*)
from the VMCore constant folder. It didn't handle sign-extension properly
in the case where the source integer is smaller than a pointer size. And,
it relied on an assumption about sizeof(i8).
The Analysis constant folder still folds these kinds of things; it has
access to TargetData, so it can do them right.
Add a testcase which tests that the VMCore constant folder doesn't
miscompile this, and that the Analysis folder does fold it.
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when it should have been and'd with LowBits. Fix that and while there beef
up the logic in the case of a negative LHS.
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