| ; RUN: opt -arm-parallel-dsp -mtriple=armv7-a -S %s -o - | FileCheck %s |
| |
| ; CHECK-LABEL: exchange_1 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_A]], i32 [[LD_B]] |
| define i32 @exchange_1(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.1 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.0 |
| %add = add i32 %mul.0, %mul.1 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_2 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_A]], i32 [[LD_B]] |
| define i32 @exchange_2(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.b.1, %sext.a.0 |
| %mul.1 = mul i32 %sext.b.0, %sext.a.1 |
| %add = add i32 %mul.0, %mul.1 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_3 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_B]], i32 [[LD_A]] |
| define i32 @exchange_3(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.1 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.0 |
| %add = add i32 %mul.1, %mul.0 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_4 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_B]], i32 [[LD_A]] |
| define i32 @exchange_4(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.b.1, %sext.a.0 |
| %mul.1 = mul i32 %sext.b.0, %sext.a.1 |
| %add = add i32 %mul.1, %mul.0 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_multi_use_1 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[X:%[^ ]+]] = call i32 @llvm.arm.smladx(i32 [[LD_A]], i32 [[LD_B]], i32 %acc |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK: call i32 @llvm.arm.smlad(i32 [[LD_A_2]], i32 [[LD_B]], i32 [[X]]) |
| define i32 @exchange_multi_use_1(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.1 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.0 |
| %add = add i32 %mul.0, %mul.1 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.a.3, %sext.b.1 |
| %mul.3 = mul i32 %sext.a.2, %sext.b.0 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %add.2 = add i32 %add, %add.1 |
| %res = add i32 %add.2, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_multi_use_64_1 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[X:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[LD_A]], i32 [[LD_B]], i64 %acc |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK: call i64 @llvm.arm.smlald(i32 [[LD_A_2]], i32 [[LD_B]], i64 [[X]]) |
| define i64 @exchange_multi_use_64_1(i16* %a, i16* %b, i64 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.1 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.0 |
| %add = add i32 %mul.0, %mul.1 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.a.3, %sext.b.1 |
| %mul.3 = mul i32 %sext.a.2, %sext.b.0 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %add.2 = add i32 %add, %add.1 |
| %sext.add.2 = sext i32 %add.2 to i64 |
| %res = add i64 %sext.add.2, %acc |
| ret i64 %res |
| } |
| |
| ; CHECK-LABEL: exchange_multi_use_64_2 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[X:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[LD_A]], i32 [[LD_B]], i64 %acc |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK: call i64 @llvm.arm.smlald(i32 [[LD_A_2]], i32 [[LD_B]], i64 [[X]]) |
| define i64 @exchange_multi_use_64_2(i16* %a, i16* %b, i64 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.1 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.0 |
| %add = add i32 %mul.0, %mul.1 |
| %sext.add = sext i32 %add to i64 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.a.3, %sext.b.1 |
| %mul.3 = mul i32 %sext.a.2, %sext.b.0 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %sext.add.1 = sext i32 %add.1 to i64 |
| %add.2 = add i64 %sext.add, %sext.add.1 |
| %res = add i64 %add.2, %acc |
| ret i64 %res |
| } |
| |
| ; CHECK-LABEL: exchange_multi_use_2 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[X:%[^ ]+]] = call i32 @llvm.arm.smlad(i32 [[LD_A]], i32 [[LD_B]], i32 %acc |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_B]], i32 [[LD_A_2]], i32 [[X]]) |
| define i32 @exchange_multi_use_2(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.1 |
| %add = add i32 %mul.0, %mul.1 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.b.0, %sext.a.3 |
| %mul.3 = mul i32 %sext.b.1, %sext.a.2 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %add.2 = add i32 %add, %add.1 |
| %res = add i32 %add.2, %acc |
| ret i32 %res |
| } |
| |
| ; TODO: Why aren't two intrinsics generated? |
| ; CHECK-LABEL: exchange_multi_use_3 |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK-NOT: call i32 @llvm.arm.smlad |
| ; CHECK: [[X:%[^ ]+]] = call i32 @llvm.arm.smladx(i32 [[LD_B]], i32 [[LD_A_2]], i32 0 |
| define i32 @exchange_multi_use_3(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.b.0, %sext.a.3 |
| %mul.3 = mul i32 %sext.b.1, %sext.a.2 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.1 |
| %add = add i32 %mul.0, %mul.1 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %sub = sub i32 %add, %add.1 |
| %res = add i32 %acc, %sub |
| ret i32 %res |
| } |
| |
| ; TODO: Would it be better to generate a smlad and then sign extend it? |
| ; CHECK-LABEL: exchange_multi_use_64_3 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[GEP:%[^ ]+]] = getelementptr i16, i16* %a, i32 2 |
| ; CHECK: [[CAST_A_2:%[^ ]+]] = bitcast i16* [[GEP]] to i32* |
| ; CHECK: [[LD_A_2:%[^ ]+]] = load i32, i32* [[CAST_A_2]] |
| ; CHECK: [[ACC:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[LD_B]], i32 [[LD_A_2]], i64 0) |
| ; CHECK: [[X:%[^ ]+]] = call i64 @llvm.arm.smlald(i32 [[LD_A]], i32 [[LD_B]], i64 [[ACC]]) |
| define i64 @exchange_multi_use_64_3(i16* %a, i16* %b, i64 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.b.0, %sext.a.3 |
| %mul.3 = mul i32 %sext.b.1, %sext.a.2 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.1 |
| %add = add i32 %mul.0, %mul.1 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %sext.add = sext i32 %add to i64 |
| %sext.add.1 = sext i32 %add.1 to i64 |
| %add.2 = add i64 %sext.add, %sext.add.1 |
| %res = sub i64 %acc, %add.2 |
| ret i64 %res |
| } |
| |
| ; TODO: Why isn't smladx generated too? |
| ; CHECK-LABEL: exchange_multi_use_4 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: [[X:%[^ ]+]] = call i32 @llvm.arm.smlad(i32 [[LD_A]], i32 [[LD_B]], i32 0 |
| ; CHECK-NOT: call i32 @llvm.arm.smlad |
| define i32 @exchange_multi_use_4(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %addr.a.2 = getelementptr i16, i16* %a, i32 2 |
| %addr.a.3 = getelementptr i16, i16* %a, i32 3 |
| %ld.a.2 = load i16, i16* %addr.a.2 |
| %ld.a.3 = load i16, i16* %addr.a.3 |
| %sext.a.2 = sext i16 %ld.a.2 to i32 |
| %sext.a.3 = sext i16 %ld.a.3 to i32 |
| %mul.2 = mul i32 %sext.b.0, %sext.a.3 |
| %mul.3 = mul i32 %sext.b.1, %sext.a.2 |
| %mul.0 = mul i32 %sext.a.0, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.1, %sext.b.1 |
| %add.1 = add i32 %mul.2, %mul.3 |
| %add = add i32 %mul.0, %mul.1 |
| %sub = sub i32 %add, %add.1 |
| %res = add i32 %acc, %sub |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_swap |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_B]], i32 [[LD_A]] |
| define i32 @exchange_swap(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.1, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.0, %sext.b.1 |
| %add = add i32 %mul.0, %mul.1 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_swap_2 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_A]], i32 [[LD_B]] |
| define i32 @exchange_swap_2(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.a.1, %sext.b.0 |
| %mul.1 = mul i32 %sext.a.0, %sext.b.1 |
| %add = add i32 %mul.1, %mul.0 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |
| |
| ; CHECK-LABEL: exchange_swap_3 |
| ; CHECK: [[CAST_A:%[^ ]+]] = bitcast i16* %a to i32* |
| ; CHECK: [[LD_A:%[^ ]+]] = load i32, i32* [[CAST_A]] |
| ; CHECK: [[CAST_B:%[^ ]+]] = bitcast i16* %b to i32* |
| ; CHECK: [[LD_B:%[^ ]+]] = load i32, i32* [[CAST_B]] |
| ; CHECK: call i32 @llvm.arm.smladx(i32 [[LD_A]], i32 [[LD_B]] |
| define i32 @exchange_swap_3(i16* %a, i16* %b, i32 %acc) { |
| entry: |
| %addr.a.1 = getelementptr i16, i16* %a, i32 1 |
| %addr.b.1 = getelementptr i16, i16* %b, i32 1 |
| %ld.a.0 = load i16, i16* %a |
| %sext.a.0 = sext i16 %ld.a.0 to i32 |
| %ld.b.0 = load i16, i16* %b |
| %ld.a.1 = load i16, i16* %addr.a.1 |
| %ld.b.1 = load i16, i16* %addr.b.1 |
| %sext.a.1 = sext i16 %ld.a.1 to i32 |
| %sext.b.1 = sext i16 %ld.b.1 to i32 |
| %sext.b.0 = sext i16 %ld.b.0 to i32 |
| %mul.0 = mul i32 %sext.b.0, %sext.a.1 |
| %mul.1 = mul i32 %sext.b.1, %sext.a.0 |
| %add = add i32 %mul.1, %mul.0 |
| %res = add i32 %add, %acc |
| ret i32 %res |
| } |