overeager_mla_fusing.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc %s --mtriple aarch64 -verify-machineinstrs -o - | FileCheck %s
define dso_local void @jsimd_idct_ifast_neon_intrinsic(i8* nocapture readonly %dct_table, i16* nocapture readonly %coef_block, i8** nocapture readonly %output_buf, i32 %output_col) local_unnamed_addr #0 {
; CHECK-LABEL: jsimd_idct_ifast_neon_intrinsic:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr q0, [x1, #32]
; CHECK-NEXT: ldr q1, [x1, #96]
; CHECK-NEXT: ldr q2, [x0, #32]
; CHECK-NEXT: ldr q3, [x0, #96]
; CHECK-NEXT: ldr x8, [x2, #48]
; CHECK-NEXT: mov w9, w3
; CHECK-NEXT: mul v0.8h, v2.8h, v0.8h
; CHECK-NEXT: mul v1.8h, v3.8h, v1.8h
; CHECK-NEXT: add v2.8h, v0.8h, v1.8h
; CHECK-NEXT: str q2, [x8, x9]
; CHECK-NEXT: ldr x8, [x2, #56]
; CHECK-NEXT: sub v0.8h, v0.8h, v1.8h
; CHECK-NEXT: str q0, [x8, x9]
; CHECK-NEXT: ret
entry:
%add.ptr5 = getelementptr inbounds i16, i16* %coef_block, i64 16
%0 = bitcast i16* %add.ptr5 to <8 x i16>*
%1 = load <8 x i16>, <8 x i16>* %0, align 16
%add.ptr17 = getelementptr inbounds i16, i16* %coef_block, i64 48
%2 = bitcast i16* %add.ptr17 to <8 x i16>*
%3 = load <8 x i16>, <8 x i16>* %2, align 16
%add.ptr29 = getelementptr inbounds i8, i8* %dct_table, i64 32
%4 = bitcast i8* %add.ptr29 to <8 x i16>*
%5 = load <8 x i16>, <8 x i16>* %4, align 16
%add.ptr41 = getelementptr inbounds i8, i8* %dct_table, i64 96
%6 = bitcast i8* %add.ptr41 to <8 x i16>*
%7 = load <8 x i16>, <8 x i16>* %6, align 16
%mul.i966 = mul <8 x i16> %5, %1
%mul.i964 = mul <8 x i16> %7, %3
%add.i961 = add <8 x i16> %mul.i966, %mul.i964
%sub.i960 = sub <8 x i16> %mul.i966, %mul.i964
%idx.ext = zext i32 %output_col to i64
%arrayidx404 = getelementptr inbounds i8*, i8** %output_buf, i64 6
%8 = load i8*, i8** %arrayidx404, align 8
%add.ptr406 = getelementptr inbounds i8, i8* %8, i64 %idx.ext
%9 = bitcast i8* %add.ptr406 to <8 x i16>*
store <8 x i16> %add.i961, <8 x i16>* %9, align 8
%arrayidx408 = getelementptr inbounds i8*, i8** %output_buf, i64 7
%10 = load i8*, i8** %arrayidx408, align 8
%add.ptr410 = getelementptr inbounds i8, i8* %10, i64 %idx.ext
%11 = bitcast i8* %add.ptr410 to <8 x i16>*
store <8 x i16> %sub.i960, <8 x i16>* %11, align 8
ret void
}