Files
clang-p2996/llvm/test/CodeGen/AArch64
Amara Emerson 45a9dca015 [AArch64][GlobalISel] Form G_DUPLANE32 for <2 x s32> shufflevectors in lowering.
For <2 x s32>, we can use G_DUPLANE32, but with a <4 x s32> source. To make it
work, we can just widen the original source with a concat_vectors.

Doing this allows <2 x float> indexed fmul instruction selection patterns to
fire, which gives a nice 0.3% code size saving on Bullet with -Os.

Differential Revision: https://reviews.llvm.org/D98059
2021-03-09 11:36:26 -08:00
..
2020-12-08 11:54:39 +00:00
2021-02-15 14:27:12 +08:00
2021-01-13 10:57:49 +00:00
2020-12-08 10:28:26 +00:00

++ SVE CodeGen Warnings ++

When the WARN check lines fail in the SVE codegen tests it most likely means you
have introduced a warning due to:
1. Adding an invalid call to VectorType::getNumElements() or EVT::getVectorNumElements()
   when the type is a scalable vector.
2. Relying upon an implicit cast conversion from TypeSize to uint64_t.

For generic code, please modify your code to work with ElementCount and TypeSize directly.
For target-specific code that only deals with fixed-width vectors, use the fixed-size interfaces.
Please refer to the code where those functions live for more details.