1; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s 2 3define i64 @f1(i64 %a, i64 %b) { 4entry: 5; CHECK: f1: 6; CHECK: subs r0, r0, r2 7; CHECK: sbcs r1, r3 8 %tmp = sub i64 %a, %b 9 ret i64 %tmp 10} 11 12define i64 @f2(i64 %a, i64 %b) { 13entry: 14; CHECK: f2: 15; CHECK: adds r0, r0, r0 16; CHECK: adcs r1, r1 17; CHECK: subs r0, r0, r2 18; CHECK: sbcs r1, r3 19 %tmp1 = shl i64 %a, 1 20 %tmp2 = sub i64 %tmp1, %b 21 ret i64 %tmp2 22} 23