; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s define void @a(i64* nocapture %s, i64* nocapture %t, i64 %a, i64 %b, i64 %c) nounwind { ; CHECK-LABEL: a: ; CHECK: # BB#0: # %entry ; CHECK-NEXT: addq %rcx, %rdx ; CHECK-NEXT: adcq $0, %r8 ; CHECK-NEXT: movq %r8, (%rdi) ; CHECK-NEXT: movq %rdx, (%rsi) ; CHECK-NEXT: retq 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 } define i64 @pr31719(i64 %.elt, i64 %.elt24, i64 %t1) { ; CHECK-LABEL: pr31719: ; CHECK: # BB#0: # %entry ; CHECK-NEXT: addq %rdx, %rdi ; CHECK-NEXT: sbbq %rax, %rax ; CHECK-NEXT: andl $1, %eax ; CHECK-NEXT: addq %rsi, %rax ; CHECK-NEXT: sbbq %rax, %rax ; CHECK-NEXT: andl $1, %eax ; CHECK-NEXT: retq entry: %t2 = zext i64 %t1 to i128 %t3 = zext i64 %.elt to i128 %t4 = add nuw nsw i128 %t2, %t3 %t5 = lshr i128 %t4, 64 %t6 = zext i64 %.elt24 to i128 %t7 = add nuw nsw i128 0, %t6 %t8 = add nuw nsw i128 %t7, %t5 %t9 = lshr i128 %t8, 64 %t10 = add nuw nsw i128 0, %t9 %t11 = trunc i128 %t10 to i64 ret i64 %t11 }