blob: c95fe2296e09985bd8844fa0e11a082b881b4200 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -verify-machineinstrs %s -o - | FileCheck %s
define arm_aapcs_vfpcc <4 x i32> @loads_i32(ptr %A, ptr %B, ptr %C) {
; CHECK-LABEL: loads_i32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, r5, r6, lr}
; CHECK-NEXT: push {r4, r5, r6, lr}
; CHECK-NEXT: .vsave {d8, d9}
; CHECK-NEXT: vpush {d8, d9}
; CHECK-NEXT: vldrw.u32 q1, [r1]
; CHECK-NEXT: vmov.i64 q2, #0xffffffff
; CHECK-NEXT: vmov.f32 s0, s6
; CHECK-NEXT: vmov.f32 s2, s7
; CHECK-NEXT: vand q0, q0, q2
; CHECK-NEXT: vmov.f32 s6, s5
; CHECK-NEXT: vmov r4, r5, d0
; CHECK-NEXT: vmov r3, r1, d1
; CHECK-NEXT: vldrw.u32 q0, [r0]
; CHECK-NEXT: vmov.f32 s12, s2
; CHECK-NEXT: vmov.f32 s2, s3
; CHECK-NEXT: vmov r0, s12
; CHECK-NEXT: vand q3, q1, q2
; CHECK-NEXT: vldrw.u32 q1, [r2]
; CHECK-NEXT: vmov lr, r12, d7
; CHECK-NEXT: vmov.f32 s16, s6
; CHECK-NEXT: vmov.f32 s18, s7
; CHECK-NEXT: vand q2, q4, q2
; CHECK-NEXT: asrs r2, r0, #31
; CHECK-NEXT: adds r0, r0, r4
; CHECK-NEXT: adcs r5, r2
; CHECK-NEXT: vmov r2, s8
; CHECK-NEXT: asrl r0, r5, r2
; CHECK-NEXT: vmov r2, s2
; CHECK-NEXT: vmov.f32 s2, s1
; CHECK-NEXT: asrs r4, r2, #31
; CHECK-NEXT: adds r2, r2, r3
; CHECK-NEXT: adcs r1, r4
; CHECK-NEXT: vmov r3, s10
; CHECK-NEXT: asrl r2, r1, r3
; CHECK-NEXT: vmov r4, r5, d6
; CHECK-NEXT: vmov r1, s2
; CHECK-NEXT: vmov.f32 s2, s5
; CHECK-NEXT: adds.w r6, r1, lr
; CHECK-NEXT: asr.w r3, r1, #31
; CHECK-NEXT: adc.w r1, r3, r12
; CHECK-NEXT: vmov r3, s2
; CHECK-NEXT: asrl r6, r1, r3
; CHECK-NEXT: vmov r1, s0
; CHECK-NEXT: adds r4, r4, r1
; CHECK-NEXT: asr.w r3, r1, #31
; CHECK-NEXT: adc.w r1, r3, r5
; CHECK-NEXT: vmov r3, s4
; CHECK-NEXT: asrl r4, r1, r3
; CHECK-NEXT: vmov q0[2], q0[0], r4, r0
; CHECK-NEXT: vmov q0[3], q0[1], r6, r2
; CHECK-NEXT: vpop {d8, d9}
; CHECK-NEXT: pop {r4, r5, r6, pc}
entry:
%a = load <4 x i32>, ptr %A, align 4
%b = load <4 x i32>, ptr %B, align 4
%c = load <4 x i32>, ptr %C, align 4
%sa = sext <4 x i32> %a to <4 x i64>
%sb = zext <4 x i32> %b to <4 x i64>
%sc = zext <4 x i32> %c to <4 x i64>
%add = add <4 x i64> %sa, %sb
%sh = ashr <4 x i64> %add, %sc
%t = trunc <4 x i64> %sh to <4 x i32>
ret <4 x i32> %t
}
define arm_aapcs_vfpcc <8 x i16> @loads_i16(ptr %A, ptr %B, ptr %C) {
; CHECK-LABEL: loads_i16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vldrw.u32 q2, [r0]
; CHECK-NEXT: vmovlb.s16 q1, q0
; CHECK-NEXT: vmovlb.s16 q3, q2
; CHECK-NEXT: vmovlt.s16 q0, q0
; CHECK-NEXT: vmovlt.s16 q2, q2
; CHECK-NEXT: vadd.i32 q0, q2, q0
; CHECK-NEXT: vldrw.u32 q2, [r2]
; CHECK-NEXT: vadd.i32 q1, q3, q1
; CHECK-NEXT: vmovlt.u16 q3, q2
; CHECK-NEXT: vneg.s32 q3, q3
; CHECK-NEXT: vshl.s32 q3, q0, q3
; CHECK-NEXT: vmovlb.u16 q0, q2
; CHECK-NEXT: vneg.s32 q0, q0
; CHECK-NEXT: vshl.s32 q0, q1, q0
; CHECK-NEXT: vmovnt.i32 q0, q3
; CHECK-NEXT: bx lr
entry:
%a = load <8 x i16>, ptr %A, align 4
%b = load <8 x i16>, ptr %B, align 4
%c = load <8 x i16>, ptr %C, align 4
%sa = sext <8 x i16> %a to <8 x i32>
%sb = sext <8 x i16> %b to <8 x i32>
%sc = zext <8 x i16> %c to <8 x i32>
%add = add <8 x i32> %sa, %sb
%sh = ashr <8 x i32> %add, %sc
%t = trunc <8 x i32> %sh to <8 x i16>
ret <8 x i16> %t
}
define arm_aapcs_vfpcc <16 x i8> @loads_i8(ptr %A, ptr %B, ptr %C) {
; CHECK-LABEL: loads_i8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vldrw.u32 q2, [r0]
; CHECK-NEXT: vmovlb.s8 q1, q0
; CHECK-NEXT: vmovlb.s8 q3, q2
; CHECK-NEXT: vmovlt.s8 q0, q0
; CHECK-NEXT: vmovlt.s8 q2, q2
; CHECK-NEXT: vadd.i16 q0, q2, q0
; CHECK-NEXT: vldrw.u32 q2, [r2]
; CHECK-NEXT: vadd.i16 q1, q3, q1
; CHECK-NEXT: vmovlt.u8 q3, q2
; CHECK-NEXT: vneg.s16 q3, q3
; CHECK-NEXT: vshl.s16 q3, q0, q3
; CHECK-NEXT: vmovlb.u8 q0, q2
; CHECK-NEXT: vneg.s16 q0, q0
; CHECK-NEXT: vshl.s16 q0, q1, q0
; CHECK-NEXT: vmovnt.i16 q0, q3
; CHECK-NEXT: bx lr
entry:
%a = load <16 x i8>, ptr %A, align 4
%b = load <16 x i8>, ptr %B, align 4
%c = load <16 x i8>, ptr %C, align 4
%sa = sext <16 x i8> %a to <16 x i16>
%sb = sext <16 x i8> %b to <16 x i16>
%sc = zext <16 x i8> %c to <16 x i16>
%add = add <16 x i16> %sa, %sb
%sh = ashr <16 x i16> %add, %sc
%t = trunc <16 x i16> %sh to <16 x i8>
ret <16 x i8> %t
}
define arm_aapcs_vfpcc void @load_store_i32(ptr %A, ptr %B, ptr %C, ptr %D) {
; CHECK-LABEL: load_store_i32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, r5, r6, r7, lr}
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
; CHECK-NEXT: .pad #4
; CHECK-NEXT: sub sp, #4
; CHECK-NEXT: .vsave {d8, d9, d10, d11}
; CHECK-NEXT: vpush {d8, d9, d10, d11}
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vmov.i64 q4, #0xffffffff
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s2, s1
; CHECK-NEXT: vmov.f32 s6, s3
; CHECK-NEXT: vand q2, q0, q4
; CHECK-NEXT: vldrw.u32 q0, [r0]
; CHECK-NEXT: vand q1, q1, q4
; CHECK-NEXT: vmov r5, r1, d3
; CHECK-NEXT: vmov.f32 s12, s2
; CHECK-NEXT: vmov.f32 s2, s3
; CHECK-NEXT: vmov r0, r12, d2
; CHECK-NEXT: vldrw.u32 q1, [r2]
; CHECK-NEXT: vmov r4, lr, d5
; CHECK-NEXT: vmov.f32 s20, s6
; CHECK-NEXT: vmov.f32 s6, s1
; CHECK-NEXT: vmov.f32 s22, s7
; CHECK-NEXT: vand q4, q5, q4
; CHECK-NEXT: vmov r6, s2
; CHECK-NEXT: vmov.f32 s2, s5
; CHECK-NEXT: adds r2, r6, r5
; CHECK-NEXT: vmov r5, s18
; CHECK-NEXT: asr.w r7, r6, #31
; CHECK-NEXT: adcs r1, r7
; CHECK-NEXT: asrl r2, r1, r5
; CHECK-NEXT: vmov r7, s2
; CHECK-NEXT: vmov r1, s6
; CHECK-NEXT: adds r4, r4, r1
; CHECK-NEXT: asr.w r5, r1, #31
; CHECK-NEXT: adc.w r1, r5, lr
; CHECK-NEXT: asrl r4, r1, r7
; CHECK-NEXT: vmov r6, r5, d4
; CHECK-NEXT: vmov r1, s12
; CHECK-NEXT: adds r0, r0, r1
; CHECK-NEXT: asr.w r7, r1, #31
; CHECK-NEXT: adc.w r1, r7, r12
; CHECK-NEXT: vmov r7, s16
; CHECK-NEXT: asrl r0, r1, r7
; CHECK-NEXT: vmov r1, s0
; CHECK-NEXT: adds r6, r6, r1
; CHECK-NEXT: asr.w r7, r1, #31
; CHECK-NEXT: adc.w r1, r7, r5
; CHECK-NEXT: vmov r7, s4
; CHECK-NEXT: asrl r6, r1, r7
; CHECK-NEXT: vmov q0[2], q0[0], r6, r0
; CHECK-NEXT: vmov q0[3], q0[1], r4, r2
; CHECK-NEXT: vstrw.32 q0, [r3]
; CHECK-NEXT: vpop {d8, d9, d10, d11}
; CHECK-NEXT: add sp, #4
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%a = load <4 x i32>, ptr %A, align 4
%b = load <4 x i32>, ptr %B, align 4
%c = load <4 x i32>, ptr %C, align 4
%sa = sext <4 x i32> %a to <4 x i64>
%sb = zext <4 x i32> %b to <4 x i64>
%sc = zext <4 x i32> %c to <4 x i64>
%add = add <4 x i64> %sa, %sb
%sh = ashr <4 x i64> %add, %sc
%t = trunc <4 x i64> %sh to <4 x i32>
store <4 x i32> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @load_store_i16(ptr %A, ptr %B, ptr %C, ptr %D) {
; CHECK-LABEL: load_store_i16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrh.s32 q0, [r1, #8]
; CHECK-NEXT: vldrh.s32 q1, [r0, #8]
; CHECK-NEXT: vldrh.s32 q2, [r0]
; CHECK-NEXT: vadd.i32 q0, q1, q0
; CHECK-NEXT: vldrh.u32 q1, [r2, #8]
; CHECK-NEXT: vneg.s32 q1, q1
; CHECK-NEXT: vshl.s32 q0, q0, q1
; CHECK-NEXT: vldrh.s32 q1, [r1]
; CHECK-NEXT: vadd.i32 q1, q2, q1
; CHECK-NEXT: vldrh.u32 q2, [r2]
; CHECK-NEXT: vstrh.32 q0, [r3, #8]
; CHECK-NEXT: vneg.s32 q2, q2
; CHECK-NEXT: vshl.s32 q1, q1, q2
; CHECK-NEXT: vstrh.32 q1, [r3]
; CHECK-NEXT: bx lr
entry:
%a = load <8 x i16>, ptr %A, align 4
%b = load <8 x i16>, ptr %B, align 4
%c = load <8 x i16>, ptr %C, align 4
%sa = sext <8 x i16> %a to <8 x i32>
%sb = sext <8 x i16> %b to <8 x i32>
%sc = zext <8 x i16> %c to <8 x i32>
%add = add <8 x i32> %sa, %sb
%sh = ashr <8 x i32> %add, %sc
%t = trunc <8 x i32> %sh to <8 x i16>
store <8 x i16> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @load_store_i8(ptr %A, ptr %B, ptr %C, ptr %D) {
; CHECK-LABEL: load_store_i8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrb.s16 q0, [r1, #8]
; CHECK-NEXT: vldrb.s16 q1, [r0, #8]
; CHECK-NEXT: vldrb.s16 q2, [r0]
; CHECK-NEXT: vadd.i16 q0, q1, q0
; CHECK-NEXT: vldrb.u16 q1, [r2, #8]
; CHECK-NEXT: vneg.s16 q1, q1
; CHECK-NEXT: vshl.s16 q0, q0, q1
; CHECK-NEXT: vldrb.s16 q1, [r1]
; CHECK-NEXT: vadd.i16 q1, q2, q1
; CHECK-NEXT: vldrb.u16 q2, [r2]
; CHECK-NEXT: vstrb.16 q0, [r3, #8]
; CHECK-NEXT: vneg.s16 q2, q2
; CHECK-NEXT: vshl.s16 q1, q1, q2
; CHECK-NEXT: vstrb.16 q1, [r3]
; CHECK-NEXT: bx lr
entry:
%a = load <16 x i8>, ptr %A, align 4
%b = load <16 x i8>, ptr %B, align 4
%c = load <16 x i8>, ptr %C, align 4
%sa = sext <16 x i8> %a to <16 x i16>
%sb = sext <16 x i8> %b to <16 x i16>
%sc = zext <16 x i8> %c to <16 x i16>
%add = add <16 x i16> %sa, %sb
%sh = ashr <16 x i16> %add, %sc
%t = trunc <16 x i16> %sh to <16 x i8>
store <16 x i8> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @load_one_store_i32(ptr %A, ptr %D) {
; CHECK-LABEL: load_one_store_i32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, r5, r6, lr}
; CHECK-NEXT: push {r4, r5, r6, lr}
; CHECK-NEXT: vldrw.u32 q0, [r0]
; CHECK-NEXT: vmov.f32 s4, s2
; CHECK-NEXT: vmov.f32 s2, s3
; CHECK-NEXT: vmov r2, s2
; CHECK-NEXT: vmov.f32 s2, s1
; CHECK-NEXT: adds.w r12, r2, r2
; CHECK-NEXT: asr.w r3, r2, #31
; CHECK-NEXT: adc.w r3, r3, r2, asr #31
; CHECK-NEXT: asrl r12, r3, r2
; CHECK-NEXT: vmov r3, s2
; CHECK-NEXT: adds r2, r3, r3
; CHECK-NEXT: asr.w r0, r3, #31
; CHECK-NEXT: adc.w r5, r0, r3, asr #31
; CHECK-NEXT: vmov r0, s4
; CHECK-NEXT: asrl r2, r5, r3
; CHECK-NEXT: adds r4, r0, r0
; CHECK-NEXT: asr.w r3, r0, #31
; CHECK-NEXT: adc.w r3, r3, r0, asr #31
; CHECK-NEXT: asrl r4, r3, r0
; CHECK-NEXT: vmov r0, s0
; CHECK-NEXT: adds r6, r0, r0
; CHECK-NEXT: asr.w r3, r0, #31
; CHECK-NEXT: adc.w r3, r3, r0, asr #31
; CHECK-NEXT: asrl r6, r3, r0
; CHECK-NEXT: vmov q0[2], q0[0], r6, r4
; CHECK-NEXT: vmov q0[3], q0[1], r2, r12
; CHECK-NEXT: vstrw.32 q0, [r1]
; CHECK-NEXT: pop {r4, r5, r6, pc}
entry:
%a = load <4 x i32>, ptr %A, align 4
%sa = sext <4 x i32> %a to <4 x i64>
%add = add <4 x i64> %sa, %sa
%sh = ashr <4 x i64> %add, %sa
%t = trunc <4 x i64> %sh to <4 x i32>
store <4 x i32> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @load_one_store_i16(ptr %A, ptr %D) {
; CHECK-LABEL: load_one_store_i16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrh.s32 q0, [r0, #8]
; CHECK-NEXT: vneg.s32 q1, q0
; CHECK-NEXT: vadd.i32 q0, q0, q0
; CHECK-NEXT: vshl.s32 q0, q0, q1
; CHECK-NEXT: vldrh.s32 q1, [r0]
; CHECK-NEXT: vstrh.32 q0, [r1, #8]
; CHECK-NEXT: vneg.s32 q2, q1
; CHECK-NEXT: vadd.i32 q1, q1, q1
; CHECK-NEXT: vshl.s32 q1, q1, q2
; CHECK-NEXT: vstrh.32 q1, [r1]
; CHECK-NEXT: bx lr
entry:
%a = load <8 x i16>, ptr %A, align 4
%sa = sext <8 x i16> %a to <8 x i32>
%add = add <8 x i32> %sa, %sa
%sh = ashr <8 x i32> %add, %sa
%t = trunc <8 x i32> %sh to <8 x i16>
store <8 x i16> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @load_one_store_i8(ptr %A, ptr %D) {
; CHECK-LABEL: load_one_store_i8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrb.s16 q0, [r0, #8]
; CHECK-NEXT: vneg.s16 q1, q0
; CHECK-NEXT: vadd.i16 q0, q0, q0
; CHECK-NEXT: vshl.s16 q0, q0, q1
; CHECK-NEXT: vldrb.s16 q1, [r0]
; CHECK-NEXT: vstrb.16 q0, [r1, #8]
; CHECK-NEXT: vneg.s16 q2, q1
; CHECK-NEXT: vadd.i16 q1, q1, q1
; CHECK-NEXT: vshl.s16 q1, q1, q2
; CHECK-NEXT: vstrb.16 q1, [r1]
; CHECK-NEXT: bx lr
entry:
%a = load <16 x i8>, ptr %A, align 4
%sa = sext <16 x i8> %a to <16 x i16>
%add = add <16 x i16> %sa, %sa
%sh = ashr <16 x i16> %add, %sa
%t = trunc <16 x i16> %sh to <16 x i8>
store <16 x i8> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @mul_i32(ptr %A, ptr %B, i64 %C, ptr %D) {
; CHECK-LABEL: mul_i32:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, r5, r6, r7, lr}
; CHECK-NEXT: push {r4, r5, r6, r7, lr}
; CHECK-NEXT: vldrw.u32 q1, [r0]
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: ldr.w lr, [sp, #20]
; CHECK-NEXT: vmov.f32 s10, s1
; CHECK-NEXT: vmov.f32 s14, s5
; CHECK-NEXT: vmov r5, s4
; CHECK-NEXT: vmov.f32 s4, s6
; CHECK-NEXT: vmov.f32 s6, s7
; CHECK-NEXT: vmov r0, s10
; CHECK-NEXT: vmov r1, s14
; CHECK-NEXT: smull r12, r3, r1, r0
; CHECK-NEXT: vmov r0, s0
; CHECK-NEXT: vmov.f32 s0, s2
; CHECK-NEXT: vmov.f32 s2, s3
; CHECK-NEXT: vmullb.s32 q2, q1, q0
; CHECK-NEXT: asrl r12, r3, r2
; CHECK-NEXT: vmov r6, r1, d4
; CHECK-NEXT: vmov r4, r7, d5
; CHECK-NEXT: asrl r6, r1, r2
; CHECK-NEXT: asrl r4, r7, r2
; CHECK-NEXT: smull r0, r5, r5, r0
; CHECK-NEXT: asrl r0, r5, r2
; CHECK-NEXT: vmov q0[2], q0[0], r0, r6
; CHECK-NEXT: vmov q0[3], q0[1], r12, r4
; CHECK-NEXT: vstrw.32 q0, [lr]
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%a = load <4 x i32>, ptr %A, align 4
%b = load <4 x i32>, ptr %B, align 4
%i = insertelement <4 x i64> undef, i64 %C, i32 0
%c = shufflevector <4 x i64> %i, <4 x i64> undef, <4 x i32> zeroinitializer
%sa = sext <4 x i32> %a to <4 x i64>
%sb = sext <4 x i32> %b to <4 x i64>
%add = mul <4 x i64> %sa, %sb
%sh = ashr <4 x i64> %add, %c
%t = trunc <4 x i64> %sh to <4 x i32>
store <4 x i32> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @mul_i16(ptr %A, ptr %B, i32 %C, ptr %D) {
; CHECK-LABEL: mul_i16:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vldrw.u32 q1, [r0]
; CHECK-NEXT: rsbs r2, r2, #0
; CHECK-NEXT: vmullt.s16 q2, q1, q0
; CHECK-NEXT: vmullb.s16 q0, q1, q0
; CHECK-NEXT: vshl.s32 q2, r2
; CHECK-NEXT: vshl.s32 q0, r2
; CHECK-NEXT: vmovnt.i32 q0, q2
; CHECK-NEXT: vstrw.32 q0, [r3]
; CHECK-NEXT: bx lr
entry:
%a = load <8 x i16>, ptr %A, align 4
%b = load <8 x i16>, ptr %B, align 4
%i = insertelement <8 x i32> undef, i32 %C, i32 0
%c = shufflevector <8 x i32> %i, <8 x i32> undef, <8 x i32> zeroinitializer
%sa = sext <8 x i16> %a to <8 x i32>
%sb = sext <8 x i16> %b to <8 x i32>
%add = mul <8 x i32> %sa, %sb
%sh = ashr <8 x i32> %add, %c
%t = trunc <8 x i32> %sh to <8 x i16>
store <8 x i16> %t, ptr %D, align 4
ret void
}
define arm_aapcs_vfpcc void @mul_i8(ptr %A, ptr %B, i16 %C, ptr %D) {
; CHECK-LABEL: mul_i8:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: vldrw.u32 q0, [r1]
; CHECK-NEXT: vldrw.u32 q1, [r0]
; CHECK-NEXT: rsbs r2, r2, #0
; CHECK-NEXT: vmullt.s8 q2, q1, q0
; CHECK-NEXT: vmullb.s8 q0, q1, q0
; CHECK-NEXT: vshl.s16 q2, r2
; CHECK-NEXT: vshl.s16 q0, r2
; CHECK-NEXT: vmovnt.i16 q0, q2
; CHECK-NEXT: vstrw.32 q0, [r3]
; CHECK-NEXT: bx lr
entry:
%a = load <16 x i8>, ptr %A, align 4
%b = load <16 x i8>, ptr %B, align 4
%i = insertelement <16 x i16> undef, i16 %C, i32 0
%c = shufflevector <16 x i16> %i, <16 x i16> undef, <16 x i32> zeroinitializer
%sa = sext <16 x i8> %a to <16 x i16>
%sb = sext <16 x i8> %b to <16 x i16>
%add = mul <16 x i16> %sa, %sb
%sh = ashr <16 x i16> %add, %c
%t = trunc <16 x i16> %sh to <16 x i8>
store <16 x i8> %t, ptr %D, align 4
ret void
}