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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/sve2p3-dots-partial-reduction.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

53 lines
2.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve2p3 < %s | FileCheck %s
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sme2p3 -force-streaming < %s | FileCheck %s
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s --check-prefix=CHECK-NOSVE2P3
define <vscale x 8 x i16> @udot_btoh_scalable(<vscale x 8 x i16> %acc, <vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: udot_btoh_scalable:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: udot z0.h, z1.b, z2.b
; CHECK-NEXT: ret
;
; CHECK-NOSVE2P3-LABEL: udot_btoh_scalable:
; CHECK-NOSVE2P3: // %bb.0: // %entry
; CHECK-NOSVE2P3-NEXT: uunpklo z3.h, z1.b
; CHECK-NOSVE2P3-NEXT: uunpklo z4.h, z2.b
; CHECK-NOSVE2P3-NEXT: ptrue p0.h
; CHECK-NOSVE2P3-NEXT: uunpkhi z1.h, z1.b
; CHECK-NOSVE2P3-NEXT: uunpkhi z2.h, z2.b
; CHECK-NOSVE2P3-NEXT: mla z0.h, p0/m, z3.h, z4.h
; CHECK-NOSVE2P3-NEXT: mla z0.h, p0/m, z1.h, z2.h
; CHECK-NOSVE2P3-NEXT: ret
entry:
%a.wide = zext <vscale x 16 x i8> %a to <vscale x 16 x i16>
%b.wide = zext <vscale x 16 x i8> %b to <vscale x 16 x i16>
%mult = mul nuw nsw <vscale x 16 x i16> %a.wide, %b.wide
%partial.reduce = tail call <vscale x 8 x i16> @llvm.vector.partial.reduce.add(<vscale x 8 x i16> %acc, <vscale x 16 x i16> %mult)
ret <vscale x 8 x i16> %partial.reduce
}
define <vscale x 8 x i16> @sdot_btoh_scalable(<vscale x 8 x i16> %acc, <vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: sdot_btoh_scalable:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: sdot z0.h, z1.b, z2.b
; CHECK-NEXT: ret
;
; CHECK-NOSVE2P3-LABEL: sdot_btoh_scalable:
; CHECK-NOSVE2P3: // %bb.0: // %entry
; CHECK-NOSVE2P3-NEXT: sunpklo z3.h, z1.b
; CHECK-NOSVE2P3-NEXT: sunpklo z4.h, z2.b
; CHECK-NOSVE2P3-NEXT: ptrue p0.h
; CHECK-NOSVE2P3-NEXT: sunpkhi z1.h, z1.b
; CHECK-NOSVE2P3-NEXT: sunpkhi z2.h, z2.b
; CHECK-NOSVE2P3-NEXT: mla z0.h, p0/m, z3.h, z4.h
; CHECK-NOSVE2P3-NEXT: mla z0.h, p0/m, z1.h, z2.h
; CHECK-NOSVE2P3-NEXT: ret
entry:
%a.wide = sext <vscale x 16 x i8> %a to <vscale x 16 x i16>
%b.wide = sext <vscale x 16 x i8> %b to <vscale x 16 x i16>
%mult = mul nuw nsw <vscale x 16 x i16> %a.wide, %b.wide
%partial.reduce = tail call <vscale x 8 x i16> @llvm.vector.partial.reduce.add(<vscale x 8 x i16> %acc, <vscale x 16 x i16> %mult)
ret <vscale x 8 x i16> %partial.reduce
}