41 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=x86_64-- -O0 < %s | FileCheck %s3 4define i64 @adder(i64 %lhs, i64 %rhs) {5; CHECK-LABEL: adder:6; CHECK: # %bb.0:7; CHECK-NEXT: addq %rsi, %rdi8; CHECK-NEXT: seto %dl9; CHECK-NEXT: xorl %eax, %eax10; CHECK-NEXT: # kill: def $rax killed $eax11; CHECK-NEXT: movl $148, %ecx12; CHECK-NEXT: testb $1, %dl13; CHECK-NEXT: cmovneq %rcx, %rax14; CHECK-NEXT: retq15 %res = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %lhs, i64 %rhs)16 %errorbit = extractvalue { i64, i1 } %res, 117 %errorval = select i1 %errorbit, i64 148, i64 018 ret i64 %errorval19}20 21@a = global i32 0, align 422 23define i64 @adder_constexpr(i64 %lhs, i64 %rhs) {24; CHECK-LABEL: adder_constexpr:25; CHECK: # %bb.0:26; CHECK-NEXT: addq %rsi, %rdi27; CHECK-NEXT: seto %dl28; CHECK-NEXT: movq a@GOTPCREL(%rip), %rax29; CHECK-NEXT: addq $5, %rax30; CHECK-NEXT: movl $148, %ecx31; CHECK-NEXT: testb $1, %dl32; CHECK-NEXT: cmovneq %rcx, %rax33; CHECK-NEXT: retq34 %res = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %lhs, i64 %rhs)35 %errorbit = extractvalue { i64, i1 } %res, 136 %errorval = select i1 %errorbit, i64 148, i64 add (i64 ptrtoint (ptr @a to i64), i64 5)37 ret i64 %errorval38}39 40declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b)41