1 ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s 2 3 ; These tests would be improved by 'movs r0, #0' being rematerialized below the 4 ; test as 'mov.w r0, #0'. 5 6 define i1 @f1(i32 %a, i32 %b) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: cmp {{.*}}, r1 9 %tmp = icmp ne i32 %a, %b 10 ret i1 %tmp 11 } 12 13 define i1 @f2(i32 %a, i32 %b) { 14 ; CHECK-LABEL: f2: 15 ; CHECK: cmp {{.*}}, r1 16 %tmp = icmp eq i32 %a, %b 17 ret i1 %tmp 18 } 19 20 define i1 @f6(i32 %a, i32 %b) { 21 ; CHECK-LABEL: f6: 22 ; CHECK: cmp.w {{.*}}, r1, lsl #5 23 %tmp = shl i32 %b, 5 24 %tmp1 = icmp eq i32 %tmp, %a 25 ret i1 %tmp1 26 } 27 28 define i1 @f7(i32 %a, i32 %b) { 29 ; CHECK-LABEL: f7: 30 ; CHECK: cmp.w {{.*}}, r1, lsr #6 31 %tmp = lshr i32 %b, 6 32 %tmp1 = icmp ne i32 %tmp, %a 33 ret i1 %tmp1 34 } 35 36 define i1 @f8(i32 %a, i32 %b) { 37 ; CHECK-LABEL: f8: 38 ; CHECK: cmp.w {{.*}}, r1, asr #7 39 %tmp = ashr i32 %b, 7 40 %tmp1 = icmp eq i32 %a, %tmp 41 ret i1 %tmp1 42 } 43 44 define i1 @f9(i32 %a, i32 %b) { 45 ; CHECK-LABEL: f9: 46 ; CHECK: cmp.w {{.*}}, {{.*}}, ror #8 47 %l8 = shl i32 %a, 24 48 %r8 = lshr i32 %a, 8 49 %tmp = or i32 %l8, %r8 50 %tmp1 = icmp ne i32 %a, %tmp 51 ret i1 %tmp1 52 } 53
