1 ; RUN: llc -march=hexagon -mcpu=hexagonv60 -enable-pipeliner < %s | FileCheck %s 2 3 ; From coremark. Test that we pipeline the matrix multiplication bitextract 4 ; function. The pipelined code should have two packets. 5 6 ; CHECK: loop0(.LBB0_[[LOOP:.]], 7 ; CHECK: .LBB0_[[LOOP]]: 8 ; CHECK: [[REG0:(r[0-9]+)]] = mpyi([[REG1:(r[0-9]+)]],[[REG2:(r[0-9]+)]]) 9 ; CHECK: += mpyi 10 ; CHECK: [[REG1:(r[0-9]+)]] = memh 11 ; CHECK: = extractu([[REG0:(r[0-9]+)]], 12 ; CHECK: = extractu([[REG0]], 13 ; CHECK: [[REG2:(r[0-9]+)]] = memh 14 ; CHECK: endloop0 15 16 %union_h2_sem_t = type { i32 } 17 18 @sem_i = common global [0 x %union_h2_sem_t] zeroinitializer, align 4 19 20 define void @matrix_mul_matrix_bitextract(i32 %N, i32* %C, i16* %A, i16* %B) { 21 entry: 22 %cmp53 = icmp eq i32 %N, 0 23 br i1 %cmp53, label %for_end27, label %for_body3_lr_ph_us 24 25 for_body3_lr_ph_us: 26 %i_054_us = phi i32 [ %inc26_us, %for_cond1_for_inc25_crit_edge_us ], [ 0, %entry ] 27 %0 = mul i32 %i_054_us, %N 28 %arrayidx9_us_us_gep = getelementptr i16, i16* %A, i32 %0 29 br label %for_body3_us_us 30 31 for_cond1_for_inc25_crit_edge_us: 32 %inc26_us = add i32 %i_054_us, 1 33 %exitcond89 = icmp eq i32 %inc26_us, %N 34 br i1 %exitcond89, label %for_end27, label %for_body3_lr_ph_us 35 36 for_body3_us_us: 37 %j_052_us_us = phi i32 [ %inc23_us_us, %for_cond4_for_inc22_crit_edge_us_us ], [ 0, %for_body3_lr_ph_us ] 38 %add_us_us = add i32 %j_052_us_us, %0 39 %arrayidx_us_us = getelementptr inbounds i32, i32* %C, i32 %add_us_us 40 store i32 0, i32* %arrayidx_us_us, align 4 41 br label %for_body6_us_us 42 43 for_cond4_for_inc22_crit_edge_us_us: 44 store i32 %add21_us_us, i32* %arrayidx_us_us, align 4 45 %inc23_us_us = add i32 %j_052_us_us, 1 46 %exitcond88 = icmp eq i32 %inc23_us_us, %N 47 br i1 %exitcond88, label %for_cond1_for_inc25_crit_edge_us, label %for_body3_us_us 48 49 for_body6_us_us: 50 %1 = phi i32 [ 0, %for_body3_us_us ], [ %add21_us_us, %for_body6_us_us ] 51 %arrayidx9_us_us_phi = phi i16* [ %arrayidx9_us_us_gep, %for_body3_us_us ], [ %arrayidx9_us_us_inc, %for_body6_us_us ] 52 %k_050_us_us = phi i32 [ 0, %for_body3_us_us ], [ %inc_us_us, %for_body6_us_us ] 53 %2 = load i16, i16* %arrayidx9_us_us_phi, align 2 54 %conv_us_us = sext i16 %2 to i32 55 %mul10_us_us = mul i32 %k_050_us_us, %N 56 %add11_us_us = add i32 %mul10_us_us, %j_052_us_us 57 %arrayidx12_us_us = getelementptr inbounds i16, i16* %B, i32 %add11_us_us 58 %3 = load i16, i16* %arrayidx12_us_us, align 2 59 %conv13_us_us = sext i16 %3 to i32 60 %mul14_us_us = mul nsw i32 %conv13_us_us, %conv_us_us 61 %shr47_us_us = lshr i32 %mul14_us_us, 2 62 %and_us_us = and i32 %shr47_us_us, 15 63 %shr1548_us_us = lshr i32 %mul14_us_us, 5 64 %and16_us_us = and i32 %shr1548_us_us, 127 65 %mul17_us_us = mul i32 %and_us_us, %and16_us_us 66 %add21_us_us = add i32 %mul17_us_us, %1 67 %inc_us_us = add i32 %k_050_us_us, 1 68 %exitcond87 = icmp eq i32 %inc_us_us, %N 69 %arrayidx9_us_us_inc = getelementptr i16, i16* %arrayidx9_us_us_phi, i32 1 70 br i1 %exitcond87, label %for_cond4_for_inc22_crit_edge_us_us, label %for_body6_us_us 71 72 for_end27: 73 ret void 74 } 75
