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| author | Quentin Colombet <quentin.colombet@gmail.com> | 2019-10-17 00:34:32 +0000 |
|---|---|---|
| committer | Quentin Colombet <quentin.colombet@gmail.com> | 2019-10-17 00:34:32 +0000 |
| commit | c319afc903d89ba94a8cb526d3ce91515c920991 (patch) | |
| tree | 1176c6b19dbe0fab0d88d3b3d7579331f1d51ef0 /llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp | |
| parent | f35cebe71df7967461df697ef976f2bd1ceaa82b (diff) | |
| download | bcm5719-llvm-c319afc903d89ba94a8cb526d3ce91515c920991.tar.gz bcm5719-llvm-c319afc903d89ba94a8cb526d3ce91515c920991.zip | |
[GISel][CombinerHelper] Add concat_vectors(build_vector, build_vector) => build_vector
Teach the combiner helper how to flatten concat_vectors of build_vectors
into a build_vector.
Add this combine as part of AArch64 pre-legalizer combiner.
Differential Revision: https://reviews.llvm.org/D69071
llvm-svn: 375066
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp b/llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp index cf0fc90b105..e76db5c12f6 100644 --- a/llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp +++ b/llvm/lib/Target/AArch64/AArch64PreLegalizerCombiner.cpp @@ -58,6 +58,8 @@ bool AArch64PreLegalizerCombinerInfo::combine(GISelChangeObserver &Observer, CombinerHelper Helper(Observer, B, KB, MDT); switch (MI.getOpcode()) { + case TargetOpcode::G_CONCAT_VECTORS: + return Helper.tryCombineConcatVectors(MI); case TargetOpcode::G_LOAD: case TargetOpcode::G_SEXTLOAD: case TargetOpcode::G_ZEXTLOAD: { |
