75 lines
2.9 KiB
LLVM
75 lines
2.9 KiB
LLVM
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; RUN: llc -march=hexagon -mcpu=hexagonv60 -enable-pipeliner < %s | FileCheck %s
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; From coremark. Test that we pipeline the matrix multiplication bitextract
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; function. The pipelined code should have two packets.
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; CHECK: loop0(.LBB0_[[LOOP:.]],
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; CHECK: .LBB0_[[LOOP]]:
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; CHECK: [[REG0:(r[0-9]+)]] = mpyi([[REG1:(r[0-9]+)]],[[REG2:(r[0-9]+)]])
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; CHECK: += mpyi
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; CHECK: [[REG1:(r[0-9]+)]] = memh
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; CHECK: = extractu([[REG0:(r[0-9]+)]],
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; CHECK: = extractu([[REG0]],
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; CHECK: [[REG2:(r[0-9]+)]] = memh
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; CHECK: endloop0
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%union_h2_sem_t = type { i32 }
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@sem_i = common global [0 x %union_h2_sem_t] zeroinitializer, align 4
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define void @matrix_mul_matrix_bitextract(i32 %N, i32* %C, i16* %A, i16* %B) {
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entry:
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%cmp53 = icmp eq i32 %N, 0
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br i1 %cmp53, label %for_end27, label %for_body3_lr_ph_us
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for_body3_lr_ph_us:
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%i_054_us = phi i32 [ %inc26_us, %for_cond1_for_inc25_crit_edge_us ], [ 0, %entry ]
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%0 = mul i32 %i_054_us, %N
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%arrayidx9_us_us_gep = getelementptr i16, i16* %A, i32 %0
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br label %for_body3_us_us
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for_cond1_for_inc25_crit_edge_us:
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%inc26_us = add i32 %i_054_us, 1
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%exitcond89 = icmp eq i32 %inc26_us, %N
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br i1 %exitcond89, label %for_end27, label %for_body3_lr_ph_us
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for_body3_us_us:
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%j_052_us_us = phi i32 [ %inc23_us_us, %for_cond4_for_inc22_crit_edge_us_us ], [ 0, %for_body3_lr_ph_us ]
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%add_us_us = add i32 %j_052_us_us, %0
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%arrayidx_us_us = getelementptr inbounds i32, i32* %C, i32 %add_us_us
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store i32 0, i32* %arrayidx_us_us, align 4
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br label %for_body6_us_us
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for_cond4_for_inc22_crit_edge_us_us:
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store i32 %add21_us_us, i32* %arrayidx_us_us, align 4
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%inc23_us_us = add i32 %j_052_us_us, 1
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%exitcond88 = icmp eq i32 %inc23_us_us, %N
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br i1 %exitcond88, label %for_cond1_for_inc25_crit_edge_us, label %for_body3_us_us
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for_body6_us_us:
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%1 = phi i32 [ 0, %for_body3_us_us ], [ %add21_us_us, %for_body6_us_us ]
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%arrayidx9_us_us_phi = phi i16* [ %arrayidx9_us_us_gep, %for_body3_us_us ], [ %arrayidx9_us_us_inc, %for_body6_us_us ]
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%k_050_us_us = phi i32 [ 0, %for_body3_us_us ], [ %inc_us_us, %for_body6_us_us ]
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%2 = load i16, i16* %arrayidx9_us_us_phi, align 2
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%conv_us_us = sext i16 %2 to i32
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%mul10_us_us = mul i32 %k_050_us_us, %N
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%add11_us_us = add i32 %mul10_us_us, %j_052_us_us
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%arrayidx12_us_us = getelementptr inbounds i16, i16* %B, i32 %add11_us_us
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%3 = load i16, i16* %arrayidx12_us_us, align 2
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%conv13_us_us = sext i16 %3 to i32
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%mul14_us_us = mul nsw i32 %conv13_us_us, %conv_us_us
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%shr47_us_us = lshr i32 %mul14_us_us, 2
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%and_us_us = and i32 %shr47_us_us, 15
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%shr1548_us_us = lshr i32 %mul14_us_us, 5
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%and16_us_us = and i32 %shr1548_us_us, 127
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%mul17_us_us = mul i32 %and_us_us, %and16_us_us
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%add21_us_us = add i32 %mul17_us_us, %1
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%inc_us_us = add i32 %k_050_us_us, 1
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%exitcond87 = icmp eq i32 %inc_us_us, %N
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%arrayidx9_us_us_inc = getelementptr i16, i16* %arrayidx9_us_us_phi, i32 1
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br i1 %exitcond87, label %for_cond4_for_inc22_crit_edge_us_us, label %for_body6_us_us
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for_end27:
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ret void
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}
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