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