xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/adde-carry.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; RUN: llc -march=x86-64 < %s | FileCheck %s -check-prefix=CHECK-64
2
3define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind {
4entry:
5 %0 = zext i64 %a to i128
6 %1 = zext i64 %b to i128
7 %2 = add i128 %1, %0
8 %3 = zext i64 %c to i128
9 %4 = shl i128 %3, 64
10 %5 = add i128 %4, %2
11 %6 = lshr i128 %5, 64
12 %7 = trunc i128 %6 to i64
13 store i64 %7, i64* %s, align 8
14 %8 = trunc i128 %2 to i64
15 store i64 %8, i64* %t, align 8
16 ret void
17
18; CHECK-64: addq
19; CHECK-64: adcq $0
20}
21