95d2d1cba0
This patch is moving out stepvector intrinsic from the experimental namespace. This intrinsic exists in LLVM for several years now, and is widely used.
26 lines
918 B
LLVM
26 lines
918 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple riscv64 -mattr +v -filetype asm -o - %s | FileCheck %s
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declare i8 @llvm.vscale.i8()
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declare <vscale x 8 x i8> @llvm.stepvector.nxv8i8()
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define <vscale x 8 x i8> @f() #0 {
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; CHECK-LABEL: f:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: csrr a0, vlenb
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; CHECK-NEXT: vsetvli a1, zero, e8, m1, ta, ma
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; CHECK-NEXT: vid.v v8
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; CHECK-NEXT: vadd.vx v8, v8, a0
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; CHECK-NEXT: ret
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entry:
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%0 = tail call i8 @llvm.vscale.i8()
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%1 = shl i8 %0, 3
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%.splat.insert = insertelement <vscale x 8 x i8> poison, i8 %1, i64 0
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%.splat = shufflevector <vscale x 8 x i8> %.splat.insert, <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer
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%2 = tail call <vscale x 8 x i8> @llvm.stepvector.nxv8i8()
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%3 = add <vscale x 8 x i8> %2, %.splat
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ret <vscale x 8 x i8> %3
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}
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attributes #0 = { vscale_range(2,1024) }
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