1 ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s 2 3 ; 4278190095 = 0xff00000f 4 define i32 @f1(i32 %a) { 5 ; CHECK: f1: 6 ; CHECK: bfc r 7 %tmp = and i32 %a, 4278190095 8 ret i32 %tmp 9 } 10 11 ; 4286578688 = 0xff800000 12 define i32 @f2(i32 %a) { 13 ; CHECK: f2: 14 ; CHECK: bfc r 15 %tmp = and i32 %a, 4286578688 16 ret i32 %tmp 17 } 18 19 ; 4095 = 0x00000fff 20 define i32 @f3(i32 %a) { 21 ; CHECK: f3: 22 ; CHECK: bfc r 23 %tmp = and i32 %a, 4095 24 ret i32 %tmp 25 } 26 27 ; 2147483646 = 0x7ffffffe not implementable w/ BFC 28 define i32 @f4(i32 %a) { 29 ; CHECK: f4: 30 %tmp = and i32 %a, 2147483646 31 ret i32 %tmp 32 } 33
