1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=x86_64-- -O0 < %s | FileCheck %s 3 4define i64 @adder(i64 %lhs, i64 %rhs) { 5; CHECK-LABEL: adder: 6; CHECK: # %bb.0: 7; CHECK-NEXT: addq %rsi, %rdi 8; CHECK-NEXT: seto %dl 9; CHECK-NEXT: xorl %eax, %eax 10; CHECK-NEXT: # kill: def $rax killed $eax 11; CHECK-NEXT: movl $148, %ecx 12; CHECK-NEXT: testb $1, %dl 13; CHECK-NEXT: cmovneq %rcx, %rax 14; CHECK-NEXT: retq 15 %res = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %lhs, i64 %rhs) 16 %errorbit = extractvalue { i64, i1 } %res, 1 17 %errorval = select i1 %errorbit, i64 148, i64 0 18 ret i64 %errorval 19} 20 21@a = global i32 0, align 4 22 23define i64 @adder_constexpr(i64 %lhs, i64 %rhs) { 24; CHECK-LABEL: adder_constexpr: 25; CHECK: # %bb.0: 26; CHECK-NEXT: addq %rsi, %rdi 27; CHECK-NEXT: seto %dl 28; CHECK-NEXT: movq a@GOTPCREL(%rip), %rax 29; CHECK-NEXT: addq $5, %rax 30; CHECK-NEXT: movl $148, %ecx 31; CHECK-NEXT: testb $1, %dl 32; CHECK-NEXT: cmovneq %rcx, %rax 33; CHECK-NEXT: retq 34 %res = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %lhs, i64 %rhs) 35 %errorbit = extractvalue { i64, i1 } %res, 1 36 %errorval = select i1 %errorbit, i64 148, i64 add (i64 ptrtoint (ptr @a to i64), i64 5) 37 ret i64 %errorval 38} 39 40declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) 41