Mips16 will try and create a stub for it and this will
result in a link error because that function does not exist in libc.
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Sadly this loses the checking from AssertingVH, but apparently storing the
end() of a BasicBlock into an AssertingVH has bad consequences as it's not
really an instruction.
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Patch by Vladimir Voskresensky. The erros were:
Path.inc:274:3: error: ‘Dl_info’ was not declared in this scope
...
and
usr/include/spawn.h:52:14: error: expected ‘,’ or ‘...’ before ‘argv’
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This patch fixes an old FIXME by creating a MCTargetStreamer interface
and moving the target specific functions for ARM, Mips and PPC to it.
The ARM streamer is still declared in a common place because it is
used from lib/CodeGen/ARMException.cpp, but the Mips and PPC are
completely hidden in the corresponding Target directories.
I will send an email to llvmdev with instructions on how to use this.
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No new testcases. However, this patch makes all supported JIT testcases in
test/ExecutionEngine pass on Sparc.
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Otherwise, we don't perform operations that would have been performed on
the scalar version.
Fixes PR17498.
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from struct byval to registers.
We used to pass 0 which means the alignment of PtrVT. Even when the alignment
of the struct is smaller than 4, the LOADs would have alignment of 4, and
further optimizations could combine the LOADs into a ldm, which would
cause crash.
The fix is to pass the alignment of the struct byval.
rdar://problem/15144402
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accumulator instead of its sub-registers, $hi and $lo.
We need this change to prevent a mflo following a mtlo from reading an
unpredictable/undefined value, as shown in the following example:
mult $6, $7 // result of $6 * $7 is written to $lo and $hi.
mflo $2 // read lower 32-bit result from $lo.
mtlo $4 // write to $lo. the content of $hi becomes unpredictable.
mfhi $3 // read higher 32-bit from $hi, which has an unpredictable value.
I don't have a test case for this change that reliably reproduces the problem.
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Bitcasting everything to i8* won't work. Autoupgrade the old
intrinsic declarations to use the new mangling.
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r191088 is "llvm/tools/Makefile: Suppress building llvm-lto on cygming, for now, probably due to LTO.dll."
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Support for exception handling in the legacy JIT was removed in r181354 and
this code was dead since then.
Thanks to Yaron Keren for noticing it.
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The hint instructions ("nop", "yield", etc) are mostly Thumb2-only, but have
been ported across to the v6M architecture. Fortunately, v6M seems to sit
nicely between v6 (thumb-1 only) and v6T2, so we can add a feature for it
fairly easily.
rdar://problem/15144406
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