35 lines
1.4 KiB
LLVM
35 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs -riscv-v-vector-bits-min=256 < %s | FileCheck %s --check-prefix=VLEN256
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; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs -riscv-v-vector-bits-min=512 < %s | FileCheck %s --check-prefix=VLEN512
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; RUN: llc -mtriple=riscv64 -mattr=+experimental-v -verify-machineinstrs -riscv-v-vector-bits-min=1024 < %s | FileCheck %s --check-prefix=VLEN1024
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define <512 x i8> @bitcast_1024B(<256 x i16> %a, <512 x i8> %b) {
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; VLEN256-LABEL: bitcast_1024B:
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; VLEN256: # %bb.0:
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; VLEN256-NEXT: addi a1, a0, 256
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; VLEN256-NEXT: addi a2, zero, 256
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; VLEN256-NEXT: vsetvli zero, a2, e8, m8, ta, mu
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; VLEN256-NEXT: vle8.v v24, (a0)
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; VLEN256-NEXT: vle8.v v0, (a1)
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; VLEN256-NEXT: vadd.vv v8, v24, v8
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; VLEN256-NEXT: vadd.vv v16, v0, v16
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; VLEN256-NEXT: ret
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;
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; VLEN512-LABEL: bitcast_1024B:
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; VLEN512: # %bb.0:
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; VLEN512-NEXT: addi a0, zero, 512
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; VLEN512-NEXT: vsetvli zero, a0, e8, m8, ta, mu
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; VLEN512-NEXT: vadd.vv v8, v16, v8
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; VLEN512-NEXT: ret
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;
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; VLEN1024-LABEL: bitcast_1024B:
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; VLEN1024: # %bb.0:
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; VLEN1024-NEXT: addi a0, zero, 512
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; VLEN1024-NEXT: vsetvli zero, a0, e8, m4, ta, mu
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; VLEN1024-NEXT: vadd.vv v8, v12, v8
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; VLEN1024-NEXT: ret
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%c = bitcast <256 x i16> %a to <512 x i8>
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%v = add <512 x i8> %b, %c
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ret <512 x i8> %v
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}
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