| ; RUN: llc -mtriple=thumbv7em -mcpu=cortex-m4 -O3 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-LLC |
| ; RUN: opt -S -mtriple=armv7-a -arm-parallel-dsp -dce %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-OPT |
| |
| ; TODO: Think we should be able to use smlsdx/smlsldx here. |
| |
| ; CHECK-LABEL: complex_dot_prod |
| |
| ; CHECK-LLC: smlaldx |
| ; CHECK-LLC: smulbb |
| ; CHECK-LLC: smultt |
| ; CHECK-LLC: smlaldx |
| ; CHECK-LLC: smlalbb |
| ; CHECK-LLC: smultt |
| ; CHECK-LLC: smlalbb |
| ; CHECK-LLC: smultt |
| ; CHECK-LLC: smlaldx |
| ; CHECK-LLC: smlalbb |
| ; CHECK-LLC: smultt |
| ; CHECK-LLC: smlaldx |
| ; CHECK-LCC: pop.w {r4, r5, r6, r7, r8, r9, r10, pc} |
| |
| ; CHECK-OPT: [[ADDR_A:%[^ ]+]] = bitcast i16* %pSrcA to i32* |
| ; CHECK-OPT: [[A:%[^ ]+]] = load i32, i32* [[ADDR_A]], align 2 |
| ; CHECK-OPT: [[ADDR_A_2:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcA, i32 2 |
| ; CHECK-OPT: [[ADDR_B:%[^ ]+]] = bitcast i16* %pSrcB to i32* |
| ; CHECK-OPT: [[B:%[^ ]+]] = load i32, i32* [[ADDR_B]], align 2 |
| ; CHECK-OPT: [[ACC0:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[A]], i32 [[B]], i64 0) |
| ; CHECK-OPT: [[ADDR_B_2:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcB, i32 2 |
| ; CHECK-OPT: [[CAST_ADDR_A_2:%[^ ]+]] = bitcast i16* [[ADDR_A_2]] to i32* |
| ; CHECK-OPT: [[A_2:%[^ ]+]] = load i32, i32* [[CAST_ADDR_A_2]], align 2 |
| ; CHECK-OPT: [[ADDR_A_4:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcA, i32 4 |
| ; CHECK-OPT: [[CAST_ADDR_B_2:%[^ ]+]] = bitcast i16* [[ADDR_B_2]] to i32* |
| ; CHECK-OPT: [[B_2:%[^ ]+]] = load i32, i32* [[CAST_ADDR_B_2]], align 2 |
| ; CHECK-OPT: [[ACC1:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[A_2]], i32 [[B_2]], i64 [[ACC0]]) |
| ; CHECK-OPT: [[ADDR_B_4:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcB, i32 4 |
| ; CHECK-OPT: [[CAST_ADDR_A_4:%[^ ]+]] = bitcast i16* [[ADDR_A_4]] to i32* |
| ; CHECK-OPT: [[A_4:%[^ ]+]] = load i32, i32* [[CAST_ADDR_A_4]], align 2 |
| ; CHECK-OPT: [[ADDR_A_6:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcA, i32 6 |
| ; CHECK-OPT: [[CAST_ADDR_B_4:%[^ ]+]] = bitcast i16* [[ADDR_B_4]] to i32* |
| ; CHECK-OPT: [[B_4:%[^ ]+]] = load i32, i32* [[CAST_ADDR_B_4]], align 2 |
| ; CHECK-OPT: [[ACC2:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[A_4]], i32 [[B_4]], i64 [[ACC1]]) |
| ; CHECK-OPT: [[ADDR_B_6:%[^ ]+]] = getelementptr inbounds i16, i16* %pSrcB, i32 6 |
| ; CHECK-OPT: [[CAST_ADDR_A_6:%[^ ]+]] = bitcast i16* [[ADDR_A_6]] to i32* |
| ; CHECK-OPT: [[A_6:%[^ ]+]] = load i32, i32* [[CAST_ADDR_A_6]], align 2 |
| ; CHECK-OPT: [[CAST_ADDR_B_6:%[^ ]+]] = bitcast i16* [[ADDR_B_6]] to i32* |
| ; CHECK-OPT: [[B_6:%[^ ]+]] = load i32, i32* [[CAST_ADDR_B_6]], align 2 |
| ; CHECK-OPT: call i64 @llvm.arm.smlaldx(i32 [[A_6]], i32 [[B_6]], i64 [[ACC2]]) |
| |
| define dso_local arm_aapcscc void @complex_dot_prod(i16* nocapture readonly %pSrcA, i16* nocapture readonly %pSrcB, i32* nocapture %realResult, i32* nocapture %imagResult) { |
| 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 |
| } |