; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -O3 -mattr=+mve.fp,+use-mipipeliner -mcpu=cortex-m55 %s -o - -verify-machineinstrs | FileCheck %s
define void @arm_cmplx_dot_prod_q15(ptr noundef %pSrcA, ptr noundef %pSrcB, i32 noundef %numSamples, ptr nocapture noundef writeonly %realResult, ptr nocapture noundef writeonly %imagResult) {
; CHECK-LABEL: arm_cmplx_dot_prod_q15:
; 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: ldr.w r12, [sp, #56]
; CHECK-NEXT: cmp r2, #16
; CHECK-NEXT: blo .LBB0_5
; CHECK-NEXT: @ %bb.1: @ %while.body.preheader
; CHECK-NEXT: lsrs r7, r2, #3
; CHECK-NEXT: movs r6, #2
; CHECK-NEXT: rsb r6, r6, r2, lsr #3
; CHECK-NEXT: movs r5, #0
; CHECK-NEXT: cmp r7, #2
; CHECK-NEXT: csel r7, r6, r5, hs
; CHECK-NEXT: add.w lr, r7, #1
; CHECK-NEXT: vldrh.u16 q4, [r0], #32
; CHECK-NEXT: vldrh.u16 q5, [r1], #32
; CHECK-NEXT: mov r4, r5
; CHECK-NEXT: movs r7, #0
; CHECK-NEXT: vldrh.u16 q2, [r0, #-16]
; CHECK-NEXT: mov r6, r5
; CHECK-NEXT: sub.w lr, lr, #1
; CHECK-NEXT: vldrh.u16 q3, [r1, #-16]
; CHECK-NEXT: vldrh.u16 q1, [r1], #32
; CHECK-NEXT: vldrh.u16 q0, [r0], #32
; CHECK-NEXT: vmlsldava.s16 r4, r7, q4, q5
; CHECK-NEXT: cmp.w lr, #0
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q4, q5
; CHECK-NEXT: beq .LBB0_3
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LBB0_2: @ %while.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q2, q3
; CHECK-NEXT: vmlsldava.s16 r4, r7, q2, q3
; CHECK-NEXT: vldrh.u16 q2, [r0, #-16]
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q0, q1
; CHECK-NEXT: vmlsldava.s16 r4, r7, q0, q1
; CHECK-NEXT: vldrh.u16 q0, [r0], #32
; CHECK-NEXT: vldrh.u16 q3, [r1, #-16]
; CHECK-NEXT: vldrh.u16 q1, [r1], #32
; CHECK-NEXT: le lr, .LBB0_2
; CHECK-NEXT: .LBB0_3:
; CHECK-NEXT: mov.w lr, #14
; CHECK-NEXT: vmlsldava.s16 r4, r7, q2, q3
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q2, q3
; CHECK-NEXT: and.w r2, lr, r2, lsl #1
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q0, q1
; CHECK-NEXT: vldrh.u16 q2, [r0, #-16]
; CHECK-NEXT: vmlsldava.s16 r4, r7, q0, q1
; CHECK-NEXT: vldrh.u16 q0, [r1, #-16]
; CHECK-NEXT: vctp.16 r2
; CHECK-NEXT: vpstt
; CHECK-NEXT: vldrht.u16 q1, [r0]
; CHECK-NEXT: vldrht.u16 q3, [r1]
; CHECK-NEXT: vmlaldavax.s16 r6, r5, q2, q0
; CHECK-NEXT: vmlsldava.s16 r4, r7, q2, q0
; CHECK-NEXT: vpst
; CHECK-NEXT: vmlsldavat.s16 r4, r7, q1, q3
; CHECK-NEXT: cmp r2, #9
; CHECK-NEXT: vpst
; CHECK-NEXT: vmlaldavaxt.s16 r6, r5, q1, q3
; CHECK-NEXT: blo .LBB0_10
; CHECK-NEXT: @ %bb.4: @ %do.body.1
; CHECK-NEXT: subs r2, #8
; CHECK-NEXT: vctp.16 r2
; CHECK-NEXT: vpstttt
; CHECK-NEXT: vldrht.u16 q0, [r0, #16]
; CHECK-NEXT: vldrht.u16 q1, [r1, #16]
; CHECK-NEXT: vmlsldavat.s16 r4, r7, q0, q1
; CHECK-NEXT: vmlaldavaxt.s16 r6, r5, q0, q1
; CHECK-NEXT: b .LBB0_10
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LBB0_5: @ %if.else
; CHECK-NEXT: mov.w r4, #0
; CHECK-NEXT: cbz r2, .LBB0_9
; CHECK-NEXT: @ %bb.6: @ %while.body14.preheader
; CHECK-NEXT: lsls r6, r2, #1
; CHECK-NEXT: mov r5, r4
; CHECK-NEXT: mov r7, r4
; CHECK-NEXT: movs r2, #0
; CHECK-NEXT: dlstp.16 lr, r6
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LBB0_7: @ %while.body14
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: vldrh.u16 q0, [r0], #16
; CHECK-NEXT: vldrh.u16 q1, [r1], #16
; CHECK-NEXT: vmlsldava.s16 r2, r7, q0, q1
; CHECK-NEXT: vmlaldavax.s16 r4, r5, q0, q1
; CHECK-NEXT: letp lr, .LBB0_7
; CHECK-NEXT: @ %bb.8: @ %if.end.loopexit177
; CHECK-NEXT: mov r6, r4
; CHECK-NEXT: mov r4, r2
; CHECK-NEXT: b .LBB0_10
; CHECK-NEXT: .p2align 2
; CHECK-NEXT: .LBB0_9:
; CHECK-NEXT: mov r7, r4
; CHECK-NEXT: movs r6, #0
; CHECK-NEXT: mov r5, r4
; CHECK-NEXT: .LBB0_10: @ %if.end
; CHECK-NEXT: asrl r4, r7, #6
; CHECK-NEXT: asrl r6, r5, #6
; CHECK-NEXT: str r4, [r3]
; CHECK-NEXT: str.w r6, [r12]
; CHECK-NEXT: vpop {d8, d9, d10, d11}
; CHECK-NEXT: add sp, #4
; CHECK-NEXT: pop {r4, r5, r6, r7, pc}
entry:
%cmp = icmp ugt i32 %numSamples, 15
br i1 %cmp, label %while.body.preheader, label %if.else
while.body.preheader: ; preds = %entry
%vecSrcA.0138 = load <8 x i16>, ptr %pSrcA, align 2
%vecSrcB.0137 = load <8 x i16>, ptr %pSrcB, align 2
%pSrcB.addr.0136 = getelementptr inbounds i16, ptr %pSrcB, i32 8
%pSrcA.addr.0135 = getelementptr inbounds i16, ptr %pSrcA, i32 8
%shr = lshr i32 %numSamples, 3
br label %while.body
while.body: ; preds = %while.body.preheader, %while.body
%vecSrcA.0150 = phi <8 x i16> [ %vecSrcA.0, %while.body ], [ %vecSrcA.0138, %while.body.preheader ]
%vecSrcB.0149 = phi <8 x i16> [ %vecSrcB.0, %while.body ], [ %vecSrcB.0137, %while.body.preheader ]
%pSrcB.addr.0148 = phi ptr [ %pSrcB.addr.0, %while.body ], [ %pSrcB.addr.0136, %while.body.preheader ]
%pSrcA.addr.0147 = phi ptr [ %pSrcA.addr.0, %while.body ], [ %pSrcA.addr.0135, %while.body.preheader ]
%vecSrcB.0.in146 = phi ptr [ %add.ptr4, %while.body ], [ %pSrcB, %while.body.preheader ]
%vecSrcA.0.in145 = phi ptr [ %add.ptr3, %while.body ], [ %pSrcA, %while.body.preheader ]
%accImag.0.off32144 = phi i32 [ %12, %while.body ], [ 0, %while.body.preheader ]
%accImag.0.off0143 = phi i32 [ %13, %while.body ], [ 0, %while.body.preheader ]
%accReal.0.off32142 = phi i32 [ %9, %while.body ], [ 0, %while.body.preheader ]
%accReal.0.off0141 = phi i32 [ %10, %while.body ], [ 0, %while.body.preheader ]
%blkCnt.0.in140 = phi i32 [ %blkCnt.0, %while.body ], [ %shr, %while.body.preheader ]
%blkCnt.0 = add nsw i32 %blkCnt.0.in140, -1
%0 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 1, i32 0, i32 %accReal.0.off0141, i32 %accReal.0.off32142, <8 x i16> %vecSrcA.0150, <8 x i16> %vecSrcB.0149)
%1 = extractvalue { i32, i32 } %0, 1
%2 = extractvalue { i32, i32 } %0, 0
%3 = load <8 x i16>, ptr %pSrcA.addr.0147, align 2
%add.ptr3 = getelementptr inbounds i16, ptr %vecSrcA.0.in145, i32 16
%4 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 0, i32 1, i32 %accImag.0.off0143, i32 %accImag.0.off32144, <8 x i16> %vecSrcA.0150, <8 x i16> %vecSrcB.0149)
%5 = extractvalue { i32, i32 } %4, 1
%6 = extractvalue { i32, i32 } %4, 0
%7 = load <8 x i16>, ptr %pSrcB.addr.0148, align 2
%add.ptr4 = getelementptr inbounds i16, ptr %vecSrcB.0.in146, i32 16
%8 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 1, i32 0, i32 %2, i32 %1, <8 x i16> %3, <8 x i16> %7)
%9 = extractvalue { i32, i32 } %8, 1
%10 = extractvalue { i32, i32 } %8, 0
%11 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 0, i32 1, i32 %6, i32 %5, <8 x i16> %3, <8 x i16> %7)
%12 = extractvalue { i32, i32 } %11, 1
%13 = extractvalue { i32, i32 } %11, 0
%pSrcA.addr.0 = getelementptr inbounds i16, ptr %vecSrcA.0.in145, i32 24
%pSrcB.addr.0 = getelementptr inbounds i16, ptr %vecSrcB.0.in146, i32 24
%vecSrcB.0 = load <8 x i16>, ptr %add.ptr4, align 2
%vecSrcA.0 = load <8 x i16>, ptr %add.ptr3, align 2
%cmp2 = icmp ugt i32 %blkCnt.0.in140, 2
br i1 %cmp2, label %while.body, label %do.body
do.body: ; preds = %while.body
%and = shl i32 %numSamples, 1
%mul = and i32 %and, 14
%14 = extractvalue { i32, i32 } %11, 0
%15 = extractvalue { i32, i32 } %11, 1
%16 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 0, i32 1, i32 %14, i32 %15, <8 x i16> %vecSrcA.0, <8 x i16> %vecSrcB.0)
%17 = extractvalue { i32, i32 } %16, 0
%18 = extractvalue { i32, i32 } %16, 1
%19 = load <8 x i16>, ptr %pSrcA.addr.0, align 2
%20 = load <8 x i16>, ptr %pSrcB.addr.0, align 2
%21 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 0, i32 1, i32 %17, i32 %18, <8 x i16> %19, <8 x i16> %20)
%22 = extractvalue { i32, i32 } %8, 0
%23 = extractvalue { i32, i32 } %8, 1
%24 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 1, i32 0, i32 %22, i32 %23, <8 x i16> %vecSrcA.0, <8 x i16> %vecSrcB.0)
%25 = extractvalue { i32, i32 } %24, 0
%26 = extractvalue { i32, i32 } %24, 1
%27 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32 0, i32 1, i32 0, i32 %25, i32 %26, <8 x i16> %19, <8 x i16> %20)
%accImag.1.off32 = extractvalue { i32, i32 } %21, 1
%accImag.1.off0 = extractvalue { i32, i32 } %21, 0
%accReal.1.off32 = extractvalue { i32, i32 } %27, 1
%accReal.1.off0 = extractvalue { i32, i32 } %27, 0
%28 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %mul)
%add.ptr7 = getelementptr inbounds i16, ptr %vecSrcA.0.in145, i32 32
%add.ptr8 = getelementptr inbounds i16, ptr %vecSrcB.0.in146, i32 32
%29 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr nonnull %add.ptr7, i32 2, <8 x i1> %28, <8 x i16> zeroinitializer)
%30 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr nonnull %add.ptr8, i32 2, <8 x i1> %28, <8 x i16> zeroinitializer)
%31 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 1, i32 0, i32 %accReal.1.off0, i32 %accReal.1.off32, <8 x i16> %29, <8 x i16> %30, <8 x i1> %28)
%32 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 0, i32 1, i32 %accImag.1.off0, i32 %accImag.1.off32, <8 x i16> %29, <8 x i16> %30, <8 x i1> %28)
%cmp10 = icmp ugt i32 %mul, 8
br i1 %cmp10, label %do.body.1, label %if.end.loopexit
do.body.1: ; preds = %do.body
%sub9 = add nsw i32 %mul, -8
%accImag.1.off32.1 = extractvalue { i32, i32 } %32, 1
%accImag.1.off0.1 = extractvalue { i32, i32 } %32, 0
%accReal.1.off32.1 = extractvalue { i32, i32 } %31, 1
%accReal.1.off0.1 = extractvalue { i32, i32 } %31, 0
%33 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %sub9)
%add.ptr7.1 = getelementptr inbounds i16, ptr %vecSrcA.0.in145, i32 40
%add.ptr8.1 = getelementptr inbounds i16, ptr %vecSrcB.0.in146, i32 40
%34 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr nonnull %add.ptr7.1, i32 2, <8 x i1> %33, <8 x i16> zeroinitializer)
%35 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr nonnull %add.ptr8.1, i32 2, <8 x i1> %33, <8 x i16> zeroinitializer)
%36 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 1, i32 0, i32 %accReal.1.off0.1, i32 %accReal.1.off32.1, <8 x i16> %34, <8 x i16> %35, <8 x i1> %33)
%37 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 0, i32 1, i32 %accImag.1.off0.1, i32 %accImag.1.off32.1, <8 x i16> %34, <8 x i16> %35, <8 x i1> %33)
br label %if.end.loopexit
if.else: ; preds = %entry
%cmp13120.not = icmp eq i32 %numSamples, 0
br i1 %cmp13120.not, label %if.end, label %while.body14.preheader
while.body14.preheader: ; preds = %if.else
%mul11 = shl nuw nsw i32 %numSamples, 1
br label %while.body14
while.body14: ; preds = %while.body14.preheader, %while.body14
%pSrcA.addr.2127 = phi ptr [ %add.ptr16, %while.body14 ], [ %pSrcA, %while.body14.preheader ]
%pSrcB.addr.2126 = phi ptr [ %add.ptr17, %while.body14 ], [ %pSrcB, %while.body14.preheader ]
%accImag.2.off32125 = phi i32 [ %45, %while.body14 ], [ 0, %while.body14.preheader ]
%accImag.2.off0124 = phi i32 [ %46, %while.body14 ], [ 0, %while.body14.preheader ]
%accReal.2.off32123 = phi i32 [ %42, %while.body14 ], [ 0, %while.body14.preheader ]
%accReal.2.off0122 = phi i32 [ %43, %while.body14 ], [ 0, %while.body14.preheader ]
%blkCnt.2121 = phi i32 [ %sub18, %while.body14 ], [ %mul11, %while.body14.preheader ]
%38 = tail call <8 x i1> @llvm.arm.mve.vctp16(i32 %blkCnt.2121)
%39 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr %pSrcA.addr.2127, i32 2, <8 x i1> %38, <8 x i16> zeroinitializer)
%40 = tail call <8 x i16> @llvm.masked.load.v8i16.p0(ptr %pSrcB.addr.2126, i32 2, <8 x i1> %38, <8 x i16> zeroinitializer)
%41 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 1, i32 0, i32 %accReal.2.off0122, i32 %accReal.2.off32123, <8 x i16> %39, <8 x i16> %40, <8 x i1> %38)
%42 = extractvalue { i32, i32 } %41, 1
%43 = extractvalue { i32, i32 } %41, 0
%44 = tail call { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32 0, i32 0, i32 1, i32 %accImag.2.off0124, i32 %accImag.2.off32125, <8 x i16> %39, <8 x i16> %40, <8 x i1> %38)
%45 = extractvalue { i32, i32 } %44, 1
%46 = extractvalue { i32, i32 } %44, 0
%add.ptr16 = getelementptr inbounds i16, ptr %pSrcA.addr.2127, i32 8
%add.ptr17 = getelementptr inbounds i16, ptr %pSrcB.addr.2126, i32 8
%sub18 = add nsw i32 %blkCnt.2121, -8
%cmp13 = icmp ugt i32 %blkCnt.2121, 8
br i1 %cmp13, label %while.body14, label %if.end.loopexit177
if.end.loopexit: ; preds = %do.body.1, %do.body
%.lcssa200 = phi { i32, i32 } [ %31, %do.body ], [ %36, %do.body.1 ]
%.lcssa = phi { i32, i32 } [ %32, %do.body ], [ %37, %do.body.1 ]
%47 = extractvalue { i32, i32 } %.lcssa200, 1
%48 = extractvalue { i32, i32 } %.lcssa200, 0
%49 = extractvalue { i32, i32 } %.lcssa, 1
%50 = extractvalue { i32, i32 } %.lcssa, 0
br label %if.end
if.end.loopexit177: ; preds = %while.body14
%51 = extractvalue { i32, i32 } %41, 1
%52 = extractvalue { i32, i32 } %41, 0
%53 = extractvalue { i32, i32 } %44, 1
%54 = extractvalue { i32, i32 } %44, 0
br label %if.end
if.end: ; preds = %if.end.loopexit177, %if.else, %if.end.loopexit
%accReal.3.off0 = phi i32 [ %48, %if.end.loopexit ], [ 0, %if.else ], [ %52, %if.end.loopexit177 ]
%accReal.3.off32 = phi i32 [ %47, %if.end.loopexit ], [ 0, %if.else ], [ %51, %if.end.loopexit177 ]
%accImag.3.off0 = phi i32 [ %50, %if.end.loopexit ], [ 0, %if.else ], [ %54, %if.end.loopexit177 ]
%accImag.3.off32 = phi i32 [ %49, %if.end.loopexit ], [ 0, %if.else ], [ %53, %if.end.loopexit177 ]
%55 = tail call { i32, i32 } @llvm.arm.mve.asrl(i32 %accReal.3.off0, i32 %accReal.3.off32, i32 6)
%56 = extractvalue { i32, i32 } %55, 0
store i32 %56, ptr %realResult, align 4
%57 = tail call { i32, i32 } @llvm.arm.mve.asrl(i32 %accImag.3.off0, i32 %accImag.3.off32, i32 6)
%58 = extractvalue { i32, i32 } %57, 0
store i32 %58, ptr %imagResult, align 4
ret void
}
declare { i32, i32 } @llvm.arm.mve.vmlldava.v8i16(i32, i32, i32, i32, i32, <8 x i16>, <8 x i16>) #1
declare <8 x i1> @llvm.arm.mve.vctp16(i32) #1
declare <8 x i16> @llvm.masked.load.v8i16.p0(ptr, i32 immarg, <8 x i1>, <8 x i16>) #2
declare { i32, i32 } @llvm.arm.mve.vmlldava.predicated.v8i16.v8i1(i32, i32, i32, i32, i32, <8 x i16>, <8 x i16>, <8 x i1>) #1
declare { i32, i32 } @llvm.arm.mve.asrl(i32, i32, i32) #1