; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv7em -mcpu=cortex-m4 -O3 %s -o - | FileCheck %s --check-prefix=CHECK-LLC
; RUN: opt -S -mtriple=armv7-a -arm-parallel-dsp -dce %s -o - | FileCheck %s --check-prefix=CHECK-OPT
define dso_local arm_aapcscc void @complex_dot_prod(i16* nocapture readonly %pSrcA, i16* nocapture readonly %pSrcB, i32* nocapture %realResult, i32* nocapture %imagResult) {
; CHECK-LLC-LABEL: complex_dot_prod:
; CHECK-LLC: @ %bb.0: @ %entry
; CHECK-LLC-NEXT: push.w {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-LLC-NEXT: ldr r5, [r0]
; CHECK-LLC-NEXT: ldr r7, [r1]
; CHECK-LLC-NEXT: ldr.w r10, [r0, #4]
; CHECK-LLC-NEXT: ldr.w r8, [r0, #8]
; CHECK-LLC-NEXT: ldr.w r12, [r0, #12]
; CHECK-LLC-NEXT: ldr r4, [r1, #4]
; CHECK-LLC-NEXT: ldr.w r9, [r1, #8]
; CHECK-LLC-NEXT: ldr.w lr, [r1, #12]
; CHECK-LLC-NEXT: movs r0, #0
; CHECK-LLC-NEXT: movs r1, #0
; CHECK-LLC-NEXT: smlaldx r0, r1, r5, r7
; CHECK-LLC-NEXT: smulbb r6, r7, r5
; CHECK-LLC-NEXT: smultt r5, r7, r5
; CHECK-LLC-NEXT: asr.w r11, r6, #31
; CHECK-LLC-NEXT: subs r6, r6, r5
; CHECK-LLC-NEXT: sbc.w r5, r11, r5, asr #31
; CHECK-LLC-NEXT: smlaldx r0, r1, r10, r4
; CHECK-LLC-NEXT: smlalbb r6, r5, r4, r10
; CHECK-LLC-NEXT: smultt r4, r4, r10
; CHECK-LLC-NEXT: subs r6, r6, r4
; CHECK-LLC-NEXT: sbc.w r4, r5, r4, asr #31
; CHECK-LLC-NEXT: smlalbb r6, r4, r9, r8
; CHECK-LLC-NEXT: smultt r5, r9, r8
; CHECK-LLC-NEXT: subs r6, r6, r5
; CHECK-LLC-NEXT: sbc.w r4, r4, r5, asr #31
; CHECK-LLC-NEXT: smlaldx r0, r1, r8, r9
; CHECK-LLC-NEXT: smlalbb r6, r4, lr, r12
; CHECK-LLC-NEXT: smultt r7, lr, r12
; CHECK-LLC-NEXT: smlaldx r0, r1, r12, lr
; CHECK-LLC-NEXT: subs r6, r6, r7
; CHECK-LLC-NEXT: sbc.w r7, r4, r7, asr #31
; CHECK-LLC-NEXT: lsrs r6, r6, #6
; CHECK-LLC-NEXT: lsrs r0, r0, #6
; CHECK-LLC-NEXT: orr.w r7, r6, r7, lsl #26
; CHECK-LLC-NEXT: orr.w r0, r0, r1, lsl #26
; CHECK-LLC-NEXT: str r7, [r2]
; CHECK-LLC-NEXT: str r0, [r3]
; CHECK-LLC-NEXT: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc}
; CHECK-LCC: pop.w {r4, r5, r6, r7, r8, r9, r10, pc}
;
; CHECK-OPT-LABEL: @complex_dot_prod(
; CHECK-OPT-NEXT: entry:
; CHECK-OPT-NEXT: [[TMP0:%.*]] = bitcast i16* [[PSRCA:%.*]] to i32*
; CHECK-OPT-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 2
; CHECK-OPT-NEXT: [[TMP2:%.*]] = trunc i32 [[TMP1]] to i16
; CHECK-OPT-NEXT: [[TMP3:%.*]] = sext i16 [[TMP2]] to i32
; CHECK-OPT-NEXT: [[TMP4:%.*]] = lshr i32 [[TMP1]], 16
; CHECK-OPT-NEXT: [[TMP5:%.*]] = trunc i32 [[TMP4]] to i16
; CHECK-OPT-NEXT: [[TMP6:%.*]] = sext i16 [[TMP5]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR1:%.*]] = getelementptr inbounds i16, i16* [[PSRCA]], i32 2
; CHECK-OPT-NEXT: [[TMP7:%.*]] = bitcast i16* [[PSRCB:%.*]] to i32*
; CHECK-OPT-NEXT: [[TMP8:%.*]] = load i32, i32* [[TMP7]], align 2
; CHECK-OPT-NEXT: [[TMP9:%.*]] = trunc i32 [[TMP8]] to i16
; CHECK-OPT-NEXT: [[TMP10:%.*]] = call i64 @llvm.arm.smlaldx(i32 [[TMP1]], i32 [[TMP8]], i64 0)
; CHECK-OPT-NEXT: [[TMP11:%.*]] = sext i16 [[TMP9]] to i32
; CHECK-OPT-NEXT: [[TMP12:%.*]] = lshr i32 [[TMP8]], 16
; CHECK-OPT-NEXT: [[TMP13:%.*]] = trunc i32 [[TMP12]] to i16
; CHECK-OPT-NEXT: [[TMP14:%.*]] = sext i16 [[TMP13]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR3:%.*]] = getelementptr inbounds i16, i16* [[PSRCB]], i32 2
; CHECK-OPT-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP11]], [[TMP3]]
; CHECK-OPT-NEXT: [[CONV5:%.*]] = sext i32 [[MUL]] to i64
; CHECK-OPT-NEXT: [[MUL13:%.*]] = mul nsw i32 [[TMP14]], [[TMP6]]
; CHECK-OPT-NEXT: [[CONV14:%.*]] = sext i32 [[MUL13]] to i64
; CHECK-OPT-NEXT: [[SUB:%.*]] = sub nsw i64 [[CONV5]], [[CONV14]]
; CHECK-OPT-NEXT: [[TMP15:%.*]] = bitcast i16* [[INCDEC_PTR1]] to i32*
; CHECK-OPT-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 2
; CHECK-OPT-NEXT: [[TMP17:%.*]] = trunc i32 [[TMP16]] to i16
; CHECK-OPT-NEXT: [[TMP18:%.*]] = sext i16 [[TMP17]] to i32
; CHECK-OPT-NEXT: [[TMP19:%.*]] = lshr i32 [[TMP16]], 16
; CHECK-OPT-NEXT: [[TMP20:%.*]] = trunc i32 [[TMP19]] to i16
; CHECK-OPT-NEXT: [[TMP21:%.*]] = sext i16 [[TMP20]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR21:%.*]] = getelementptr inbounds i16, i16* [[PSRCA]], i32 4
; CHECK-OPT-NEXT: [[TMP22:%.*]] = bitcast i16* [[INCDEC_PTR3]] to i32*
; CHECK-OPT-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 2
; CHECK-OPT-NEXT: [[TMP24:%.*]] = trunc i32 [[TMP23]] to i16
; CHECK-OPT-NEXT: [[TMP25:%.*]] = call i64 @llvm.arm.smlaldx(i32 [[TMP16]], i32 [[TMP23]], i64 [[TMP10]])
; CHECK-OPT-NEXT: [[TMP26:%.*]] = sext i16 [[TMP24]] to i32
; CHECK-OPT-NEXT: [[TMP27:%.*]] = lshr i32 [[TMP23]], 16
; CHECK-OPT-NEXT: [[TMP28:%.*]] = trunc i32 [[TMP27]] to i16
; CHECK-OPT-NEXT: [[TMP29:%.*]] = sext i16 [[TMP28]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR23:%.*]] = getelementptr inbounds i16, i16* [[PSRCB]], i32 4
; CHECK-OPT-NEXT: [[MUL26:%.*]] = mul nsw i32 [[TMP26]], [[TMP18]]
; CHECK-OPT-NEXT: [[CONV27:%.*]] = sext i32 [[MUL26]] to i64
; CHECK-OPT-NEXT: [[ADD28:%.*]] = add nsw i64 [[SUB]], [[CONV27]]
; CHECK-OPT-NEXT: [[MUL36:%.*]] = mul nsw i32 [[TMP29]], [[TMP21]]
; CHECK-OPT-NEXT: [[CONV37:%.*]] = sext i32 [[MUL36]] to i64
; CHECK-OPT-NEXT: [[SUB38:%.*]] = sub nsw i64 [[ADD28]], [[CONV37]]
; CHECK-OPT-NEXT: [[TMP30:%.*]] = bitcast i16* [[INCDEC_PTR21]] to i32*
; CHECK-OPT-NEXT: [[TMP31:%.*]] = load i32, i32* [[TMP30]], align 2
; CHECK-OPT-NEXT: [[TMP32:%.*]] = trunc i32 [[TMP31]] to i16
; CHECK-OPT-NEXT: [[TMP33:%.*]] = sext i16 [[TMP32]] to i32
; CHECK-OPT-NEXT: [[TMP34:%.*]] = lshr i32 [[TMP31]], 16
; CHECK-OPT-NEXT: [[TMP35:%.*]] = trunc i32 [[TMP34]] to i16
; CHECK-OPT-NEXT: [[TMP36:%.*]] = sext i16 [[TMP35]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR45:%.*]] = getelementptr inbounds i16, i16* [[PSRCA]], i32 6
; CHECK-OPT-NEXT: [[TMP37:%.*]] = bitcast i16* [[INCDEC_PTR23]] to i32*
; CHECK-OPT-NEXT: [[TMP38:%.*]] = load i32, i32* [[TMP37]], align 2
; CHECK-OPT-NEXT: [[TMP39:%.*]] = trunc i32 [[TMP38]] to i16
; CHECK-OPT-NEXT: [[TMP40:%.*]] = call i64 @llvm.arm.smlaldx(i32 [[TMP31]], i32 [[TMP38]], i64 [[TMP25]])
; CHECK-OPT-NEXT: [[TMP41:%.*]] = sext i16 [[TMP39]] to i32
; CHECK-OPT-NEXT: [[TMP42:%.*]] = lshr i32 [[TMP38]], 16
; CHECK-OPT-NEXT: [[TMP43:%.*]] = trunc i32 [[TMP42]] to i16
; CHECK-OPT-NEXT: [[TMP44:%.*]] = sext i16 [[TMP43]] to i32
; CHECK-OPT-NEXT: [[INCDEC_PTR47:%.*]] = getelementptr inbounds i16, i16* [[PSRCB]], i32 6
; CHECK-OPT-NEXT: [[MUL50:%.*]] = mul nsw i32 [[TMP41]], [[TMP33]]
; CHECK-OPT-NEXT: [[CONV51:%.*]] = sext i32 [[MUL50]] to i64
; CHECK-OPT-NEXT: [[ADD52:%.*]] = add nsw i64 [[SUB38]], [[CONV51]]
; CHECK-OPT-NEXT: [[MUL60:%.*]] = mul nsw i32 [[TMP44]], [[TMP36]]
; CHECK-OPT-NEXT: [[CONV61:%.*]] = sext i32 [[MUL60]] to i64
; CHECK-OPT-NEXT: [[SUB62:%.*]] = sub nsw i64 [[ADD52]], [[CONV61]]
; CHECK-OPT-NEXT: [[TMP45:%.*]] = bitcast i16* [[INCDEC_PTR45]] to i32*
; CHECK-OPT-NEXT: [[TMP46:%.*]] = load i32, i32* [[TMP45]], align 2
; CHECK-OPT-NEXT: [[TMP47:%.*]] = trunc i32 [[TMP46]] to i16
; CHECK-OPT-NEXT: [[TMP48:%.*]] = sext i16 [[TMP47]] to i32
; CHECK-OPT-NEXT: [[TMP49:%.*]] = lshr i32 [[TMP46]], 16
; CHECK-OPT-NEXT: [[TMP50:%.*]] = trunc i32 [[TMP49]] to i16
; CHECK-OPT-NEXT: [[TMP51:%.*]] = sext i16 [[TMP50]] to i32
; CHECK-OPT-NEXT: [[TMP52:%.*]] = bitcast i16* [[INCDEC_PTR47]] to i32*
; CHECK-OPT-NEXT: [[TMP53:%.*]] = load i32, i32* [[TMP52]], align 2
; CHECK-OPT-NEXT: [[TMP54:%.*]] = trunc i32 [[TMP53]] to i16
; CHECK-OPT-NEXT: [[TMP55:%.*]] = call i64 @llvm.arm.smlaldx(i32 [[TMP46]], i32 [[TMP53]], i64 [[TMP40]])
; CHECK-OPT-NEXT: [[TMP56:%.*]] = sext i16 [[TMP54]] to i32
; CHECK-OPT-NEXT: [[TMP57:%.*]] = lshr i32 [[TMP53]], 16
; CHECK-OPT-NEXT: [[TMP58:%.*]] = trunc i32 [[TMP57]] to i16
; CHECK-OPT-NEXT: [[TMP59:%.*]] = sext i16 [[TMP58]] to i32
; CHECK-OPT-NEXT: [[MUL74:%.*]] = mul nsw i32 [[TMP56]], [[TMP48]]
; CHECK-OPT-NEXT: [[CONV75:%.*]] = sext i32 [[MUL74]] to i64
; CHECK-OPT-NEXT: [[ADD76:%.*]] = add nsw i64 [[SUB62]], [[CONV75]]
; CHECK-OPT-NEXT: [[MUL84:%.*]] = mul nsw i32 [[TMP59]], [[TMP51]]
; CHECK-OPT-NEXT: [[CONV85:%.*]] = sext i32 [[MUL84]] to i64
; CHECK-OPT-NEXT: [[SUB86:%.*]] = sub nsw i64 [[ADD76]], [[CONV85]]
; CHECK-OPT-NEXT: [[TMP60:%.*]] = lshr i64 [[SUB86]], 6
; CHECK-OPT-NEXT: [[CONV92:%.*]] = trunc i64 [[TMP60]] to i32
; CHECK-OPT-NEXT: store i32 [[CONV92]], i32* [[REALRESULT:%.*]], align 4
; CHECK-OPT-NEXT: [[TMP61:%.*]] = lshr i64 [[TMP55]], 6
; CHECK-OPT-NEXT: [[CONV94:%.*]] = trunc i64 [[TMP61]] to i32
; CHECK-OPT-NEXT: store i32 [[CONV94]], i32* [[IMAGRESULT:%.*]], align 4
; CHECK-OPT-NEXT: ret void
entry:
%incdec.ptr = getelementptr inbounds i16, i16* %pSrcA, i32 1
%0 = load i16, i16* %pSrcA, align 2
%incdec.ptr1 = getelementptr inbounds i16, i16* %pSrcA, i32 2
%1 = load i16, i16* %incdec.ptr, align 2
%incdec.ptr2 = getelementptr inbounds i16, i16* %pSrcB, i32 1
%2 = load i16, i16* %pSrcB, align 2
%incdec.ptr3 = getelementptr inbounds i16, i16* %pSrcB, i32 2
%3 = load i16, i16* %incdec.ptr2, align 2
%conv = sext i16 %0 to i32
%conv4 = sext i16 %2 to i32
%mul = mul nsw i32 %conv4, %conv
%conv5 = sext i32 %mul to i64
%conv7 = sext i16 %3 to i32
%mul8 = mul nsw i32 %conv7, %conv
%conv9 = sext i32 %mul8 to i64
%conv11 = sext i16 %1 to i32
%mul13 = mul nsw i32 %conv7, %conv11
%conv14 = sext i32 %mul13 to i64
%sub = sub nsw i64 %conv5, %conv14
%mul17 = mul nsw i32 %conv4, %conv11
%conv18 = sext i32 %mul17 to i64
%add19 = add nsw i64 %conv9, %conv18
%incdec.ptr20 = getelementptr inbounds i16, i16* %pSrcA, i32 3
%4 = load i16, i16* %incdec.ptr1, align 2
%incdec.ptr21 = getelementptr inbounds i16, i16* %pSrcA, i32 4
%5 = load i16, i16* %incdec.ptr20, align 2
%incdec.ptr22 = getelementptr inbounds i16, i16* %pSrcB, i32 3
%6 = load i16, i16* %incdec.ptr3, align 2
%incdec.ptr23 = getelementptr inbounds i16, i16* %pSrcB, i32 4
%7 = load i16, i16* %incdec.ptr22, align 2
%conv24 = sext i16 %4 to i32
%conv25 = sext i16 %6 to i32
%mul26 = mul nsw i32 %conv25, %conv24
%conv27 = sext i32 %mul26 to i64
%add28 = add nsw i64 %sub, %conv27
%conv30 = sext i16 %7 to i32
%mul31 = mul nsw i32 %conv30, %conv24
%conv32 = sext i32 %mul31 to i64
%conv34 = sext i16 %5 to i32
%mul36 = mul nsw i32 %conv30, %conv34
%conv37 = sext i32 %mul36 to i64
%sub38 = sub nsw i64 %add28, %conv37
%mul41 = mul nsw i32 %conv25, %conv34
%conv42 = sext i32 %mul41 to i64
%add33 = add nsw i64 %add19, %conv42
%add43 = add nsw i64 %add33, %conv32
%incdec.ptr44 = getelementptr inbounds i16, i16* %pSrcA, i32 5
%8 = load i16, i16* %incdec.ptr21, align 2
%incdec.ptr45 = getelementptr inbounds i16, i16* %pSrcA, i32 6
%9 = load i16, i16* %incdec.ptr44, align 2
%incdec.ptr46 = getelementptr inbounds i16, i16* %pSrcB, i32 5
%10 = load i16, i16* %incdec.ptr23, align 2
%incdec.ptr47 = getelementptr inbounds i16, i16* %pSrcB, i32 6
%11 = load i16, i16* %incdec.ptr46, align 2
%conv48 = sext i16 %8 to i32
%conv49 = sext i16 %10 to i32
%mul50 = mul nsw i32 %conv49, %conv48
%conv51 = sext i32 %mul50 to i64
%add52 = add nsw i64 %sub38, %conv51
%conv54 = sext i16 %11 to i32
%mul55 = mul nsw i32 %conv54, %conv48
%conv56 = sext i32 %mul55 to i64
%conv58 = sext i16 %9 to i32
%mul60 = mul nsw i32 %conv54, %conv58
%conv61 = sext i32 %mul60 to i64
%sub62 = sub nsw i64 %add52, %conv61
%mul65 = mul nsw i32 %conv49, %conv58
%conv66 = sext i32 %mul65 to i64
%add57 = add nsw i64 %add43, %conv66
%add67 = add nsw i64 %add57, %conv56
%incdec.ptr68 = getelementptr inbounds i16, i16* %pSrcA, i32 7
%12 = load i16, i16* %incdec.ptr45, align 2
%13 = load i16, i16* %incdec.ptr68, align 2
%incdec.ptr70 = getelementptr inbounds i16, i16* %pSrcB, i32 7
%14 = load i16, i16* %incdec.ptr47, align 2
%15 = load i16, i16* %incdec.ptr70, align 2
%conv72 = sext i16 %12 to i32
%conv73 = sext i16 %14 to i32
%mul74 = mul nsw i32 %conv73, %conv72
%conv75 = sext i32 %mul74 to i64
%add76 = add nsw i64 %sub62, %conv75
%conv78 = sext i16 %15 to i32
%mul79 = mul nsw i32 %conv78, %conv72
%conv80 = sext i32 %mul79 to i64
%conv82 = sext i16 %13 to i32
%mul84 = mul nsw i32 %conv78, %conv82
%conv85 = sext i32 %mul84 to i64
%sub86 = sub nsw i64 %add76, %conv85
%mul89 = mul nsw i32 %conv73, %conv82
%conv90 = sext i32 %mul89 to i64
%add81 = add nsw i64 %add67, %conv90
%add91 = add nsw i64 %add81, %conv80
%16 = lshr i64 %sub86, 6
%conv92 = trunc i64 %16 to i32
store i32 %conv92, i32* %realResult, align 4
%17 = lshr i64 %add91, 6
%conv94 = trunc i64 %17 to i32
store i32 %conv94, i32* %imagResult, align 4
ret void
}