xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/madd-lohi.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=aarch64_be-linux-gnu %s -o - | FileCheck --check-prefix=CHECK-BE %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i128 @test_128bitmul(i128 %lhs, i128 %rhs) {
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_128bitmul:
6*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: umulh [[CARRY:x[0-9]+]], x0, x2
7*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: madd [[PART1:x[0-9]+]], x0, x3, [[CARRY]]
8*9880d681SAndroid Build Coastguard Worker; CHECK: madd x1, x1, x2, [[PART1]]
9*9880d681SAndroid Build Coastguard Worker; CHECK: mul x0, x0, x2
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; CHECK-BE-LABEL: test_128bitmul:
12*9880d681SAndroid Build Coastguard Worker; CHECK-BE-DAG: umulh [[CARRY:x[0-9]+]], x1, x3
13*9880d681SAndroid Build Coastguard Worker; CHECK-BE-DAG: madd [[PART1:x[0-9]+]], x1, x2, [[CARRY]]
14*9880d681SAndroid Build Coastguard Worker; CHECK-BE: madd x0, x0, x3, [[PART1]]
15*9880d681SAndroid Build Coastguard Worker; CHECK-BE: mul x1, x1, x3
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker  %prod = mul i128 %lhs, %rhs
18*9880d681SAndroid Build Coastguard Worker  ret i128 %prod
19*9880d681SAndroid Build Coastguard Worker}
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