Use const references instead of pointers to references that are
never modified. No functional change.

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typo.

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Formatting.

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80-column and tab character fixes.

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Remove all non-linker oriented compile options from the linker
command line. Change the darwin universal binary options to
be TargetCommonOpts so that they'll be passed to the linker since
-arch at least is still needed.

Someone on darwin with a buildit based build should probably verify
that this doesn't break anything there.

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As far as I know no linker needs or wants the -g flag.

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Cleanup in unique_file when we only want the name.

This is really ugly, but it is no worse than what we have in clang right now and
it is better to get it working first and clean/optimize it afterwards.

Will be tested from clang in the next patch.

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Create a replacement for sys::Path::PathSeparator.

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Add an autoconf option for turning on -gsplit-dwarf by default
when building llvm. This saves quite a bit of time and space when
linking. Please report any problems via bugzilla.

Caveats:

a) This will only work on linux
b) This requires a fairly new binutils
c) This requires a fairly new gdb

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PPCAsmParser.cpp: Quote "@l/@ha" in comments. [-Wdocumentation]

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R600: Fix typo in R600Schedule.td

This should only make a difference in programs that use a lot of the
vector ALU instructions like BFI_INT and BIT_ALIGN.  There is a slight
improvement in the phatk bitcoin mining kernel with this patch on
Evergreen (vector size == 1):

Before:
1173 Instruction Groups / 9520 dwords

After:
1167 Instruction Groups / 9510 dwords

Reviewed-by: Reviewed-by: Vincent Lejeune<vljn at ovi.com>

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R600/SI: Add support for v4i32 and v4f32 kernel args

Tested-By: Aaron Watry <awatry@gmail.com>

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R600: Add support for i32 loads from the constant address space on Cayman

Tested-By: Aaron Watry <awatry@gmail.com>

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R600/SI: Report unaligned memory accesses as legal for > 32-bit types

In reality, some unaligned memory accesses are legal for 32-bit types and
smaller too, but it all depends on the address space.  Allowing
unaligned loads/stores for > 32-bit types is mainly to prevent the
legalizer from splitting one load into multiple loads of smaller types.

https://bugs.freedesktop.org/show_bug.cgi?id=65873

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Revert "Temporarily enable MI-Sched on X86."

This reverts commit 98a9b72e8c56dc13a2617de84503a3d78352789c.

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