1 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s 2 3 @c = external local_unnamed_addr global i32, align 4 4 @b = external local_unnamed_addr global i32, align 4 5 @d = external local_unnamed_addr global i32, align 4 6 7 ; CHECK: cmpl $1, c(%rip) 8 ; CHECK-NEXT: sbbl %eax, %eax 9 ; CHECK-NEXT: andl $1, %eax 10 ; CHECK-NEXT: movl %eax, d(%rip) 11 ; CHECK-NEXT: retq 12 13 define void @fn1() { 14 entry: 15 %0 = load i32, i32* @c, align 4 16 %tobool1 = icmp eq i32 %0, 0 17 %xor = zext i1 %tobool1 to i32 18 %1 = load i32, i32* @b, align 4 19 %tobool2 = icmp ne i32 %1, 0 20 %tobool4 = icmp ne i32 undef, 0 21 %2 = and i1 %tobool4, %tobool2 22 %sub = sext i1 %2 to i32 23 %div = sdiv i32 %sub, 2 24 %add = add nsw i32 %div, %xor 25 store i32 %add, i32* @d, align 4 26 ret void 27 } 28
