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[RISCV] Add basic code modeling for llvm.experimental.stepvector intrinsic
authorLiaoChunyu <chunyu@iscas.ac.cn>
Thu, 31 Mar 2022 06:16:24 +0000 (14:16 +0800)
committerLiaoChunyu <chunyu@iscas.ac.cn>
Mon, 11 Apr 2022 02:19:23 +0000 (10:19 +0800)
commit505fce5a9e5fdc2e6cb3a410fe88960c9678ca6e
treee503a5aae0ec7da8c2e24ea716bbc487c0478796tree | snapshot
parent4ea1d435099f992cc16127619b0feb64e070630dcommit | diff
[RISCV] Add basic code modeling for llvm.experimental.stepvector intrinsic

Scalable vectors llvm.experimental.stepvector intrinsic
will crash due to an invalid cost when run the code through the loopunroll.

Reviewed By: kito-cheng

Differential Revision: https://reviews.llvm.org/D122782
llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp diff | blob | history
llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h diff | blob | history
llvm/test/Analysis/CostModel/RISCV/stepvector.ll [new file with mode: 0644] blob
Domain: System / Toolchain;