| ; RUN: llc -march=x86-64 < %s | FileCheck %s -check-prefix=CHECK-64 |
| ; RUN: llc -march=x86 < %s | FileCheck %s -check-prefix=CHECK-32 |
| |
| define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind { |
| entry: |
| %0 = zext i64 %a to i128 |
| %1 = zext i64 %b to i128 |
| %2 = add i128 %1, %0 |
| %3 = zext i64 %c to i128 |
| %4 = shl i128 %3, 64 |
| %5 = add i128 %4, %2 |
| %6 = lshr i128 %5, 64 |
| %7 = trunc i128 %6 to i64 |
| store i64 %7, i64* %s, align 8 |
| %8 = trunc i128 %2 to i64 |
| store i64 %8, i64* %t, align 8 |
| ret void |
| |
| ; CHECK-32: addl |
| ; CHECK-32: adcl |
| ; CHECK-32: adcl $0 |
| ; CHECK-32: adcl $0 |
| |
| ; CHECK-64: addq |
| ; CHECK-64: adcq $0 |
| } |