[llvm] r321655 - [AArch64][GlobalISel] Enable GlobalISel at -O0 by default

[Hans Wennborg via llvm-commits]

Do you want to write something about this for the 6.0.0 release notes?

On Tue, Jan 2, 2018 at 5:30 PM, Amara Emerson via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: aemerson
> Date: Tue Jan  2 08:30:47 2018
> New Revision: 321655
>
> URL: http://llvm.org/viewvc/llvm-project?rev=321655&view=rev
> Log:
> [AArch64][GlobalISel] Enable GlobalISel at -O0 by default
>
> Tests updated to explicitly use fast-isel at -O0 instead of implicitly.
>
> This change also allows an explicit -fast-isel option to override an
> implicitly enabled global-isel. Otherwise -fast-isel would have no effect at -O0.
>
> Differential Revision: https://reviews.llvm.org/D41362
>
> Modified:
>     llvm/trunk/include/llvm/CodeGen/TargetPassConfig.h
>     llvm/trunk/lib/CodeGen/TargetPassConfig.cpp
>     llvm/trunk/lib/Target/AArch64/AArch64TargetMachine.cpp
>     llvm/trunk/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll
>     llvm/trunk/test/CodeGen/AArch64/GlobalISel/gisel-commandline-option.ll
>     llvm/trunk/test/CodeGen/AArch64/aarch64_f16_be.ll
>     llvm/trunk/test/CodeGen/AArch64/and-mask-removal.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-EXT-undef-mask.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-abi.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-abi_align.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-elf-constpool.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-elf-globals.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-alloca.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-br.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-call.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-conversion-fallback.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-conversion.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-fcmp.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-gv.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-icmp.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-intrinsic.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-materialize.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-noconvert.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-rem.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel-ret.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-fast-isel.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-simd-scalar-to-vector.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-tls-dynamic-together.ll
>     llvm/trunk/test/CodeGen/AArch64/arm64-vcvt_f.ll
>     llvm/trunk/test/CodeGen/AArch64/br-cond-not-merge.ll
>     llvm/trunk/test/CodeGen/AArch64/cmpxchg-O0.ll
>     llvm/trunk/test/CodeGen/AArch64/cxx-tlscc.ll
>     llvm/trunk/test/CodeGen/AArch64/fast-isel-atomic.ll
>     llvm/trunk/test/CodeGen/AArch64/fast-isel-sp-adjust.ll
>     llvm/trunk/test/CodeGen/AArch64/i128-fast-isel-fallback.ll
>     llvm/trunk/test/CodeGen/AArch64/preferred-alignment.ll
>     llvm/trunk/test/CodeGen/AArch64/swift-return.ll
>     llvm/trunk/test/CodeGen/AArch64/swifterror.ll
>     llvm/trunk/test/CodeGen/AArch64/swiftself.ll
>     llvm/trunk/test/CodeGen/AArch64/tailcall-fastisel.ll
>     llvm/trunk/test/DebugInfo/AArch64/asan-stack-vars.ll
>     llvm/trunk/test/DebugInfo/AArch64/frameindices.ll
>     llvm/trunk/test/DebugInfo/AArch64/line-header.ll
>     llvm/trunk/test/DebugInfo/AArch64/prologue_end.ll