1; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s 2 3define i64 @f1(i64 %a, i64 %b) { 4entry: 5; CHECK-LABEL: 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-LABEL: 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 24; rdar://12559385 25define i64 @f3(i32 %vi) { 26entry: 27; CHECK-LABEL: f3: 28; CHECK: movw [[REG:r[0-9]+]], #36102 29; CHECK: sbcs r{{[0-9]+}}, [[REG]] 30 %v0 = zext i32 %vi to i64 31 %v1 = xor i64 %v0, -155057456198619 32 %v4 = add i64 %v1, 155057456198619 33 %v5 = add i64 %v4, %v1 34 ret i64 %v5 35} 36