xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/mulx64.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=core-avx2 -march=x86-64 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine i128 @f1(i64 %a, i64 %b) {
4*9880d681SAndroid Build Coastguard Worker  %x = zext i64 %a to i128
5*9880d681SAndroid Build Coastguard Worker  %y = zext i64 %b to i128
6*9880d681SAndroid Build Coastguard Worker  %r = mul i128 %x, %y
7*9880d681SAndroid Build Coastguard Worker; CHECK: f1
8*9880d681SAndroid Build Coastguard Worker; CHECK: mulxq
9*9880d681SAndroid Build Coastguard Worker; CHECK: ret
10*9880d681SAndroid Build Coastguard Worker  ret i128 %r
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine i128 @f2(i64 %a, i64* %p) {
14*9880d681SAndroid Build Coastguard Worker  %b = load i64, i64* %p
15*9880d681SAndroid Build Coastguard Worker  %x = zext i64 %a to i128
16*9880d681SAndroid Build Coastguard Worker  %y = zext i64 %b to i128
17*9880d681SAndroid Build Coastguard Worker  %r = mul i128 %x, %y
18*9880d681SAndroid Build Coastguard Worker; CHECK: f2
19*9880d681SAndroid Build Coastguard Worker; CHECK: mulxq ({{.+}}), %{{.+}}, %{{.+}}
20*9880d681SAndroid Build Coastguard Worker; CHECK: ret
21*9880d681SAndroid Build Coastguard Worker  ret i128 %r
22*9880d681SAndroid Build Coastguard Worker}
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