| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s |
| |
| ; These tests would be improved by 'movs r0, #0' being rematerialized below the |
| ; tst as 'mov.w r0, #0'. |
| |
| define i32 @f2(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r2, #24 |
| ; CHECK-NEXT: eors r0, r1 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r2, #42 |
| ; CHECK-NEXT: mov r0, r2 |
| ; CHECK-NEXT: bx lr |
| %tmp = xor i32 %a, %b |
| %tmp1 = icmp eq i32 %tmp, 0 |
| %ret = select i1 %tmp1, i32 42, i32 24 |
| ret i32 %ret |
| } |
| |
| define i32 @f4(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r2, #24 |
| ; CHECK-NEXT: eors r0, r1 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r2, #42 |
| ; CHECK-NEXT: mov r0, r2 |
| ; CHECK-NEXT: bx lr |
| %tmp = xor i32 %a, %b |
| %tmp1 = icmp eq i32 0, %tmp |
| %ret = select i1 %tmp1, i32 42, i32 24 |
| ret i32 %ret |
| } |
| |
| define i32 @f6(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r2, #24 |
| ; CHECK-NEXT: teq.w r0, r1, lsl #5 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r2, #42 |
| ; CHECK-NEXT: mov r0, r2 |
| ; CHECK-NEXT: bx lr |
| %tmp = shl i32 %b, 5 |
| %tmp1 = xor i32 %a, %tmp |
| %tmp2 = icmp eq i32 %tmp1, 0 |
| %ret = select i1 %tmp2, i32 42, i32 24 |
| ret i32 %ret |
| } |
| |
| define i32 @f7(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r2, #24 |
| ; CHECK-NEXT: teq.w r0, r1, lsr #6 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r2, #42 |
| ; CHECK-NEXT: mov r0, r2 |
| ; CHECK-NEXT: bx lr |
| %tmp = lshr i32 %b, 6 |
| %tmp1 = xor i32 %a, %tmp |
| %tmp2 = icmp eq i32 %tmp1, 0 |
| %ret = select i1 %tmp2, i32 42, i32 24 |
| ret i32 %ret |
| } |
| |
| define i32 @f8(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r2, #24 |
| ; CHECK-NEXT: teq.w r0, r1, asr #7 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r2, #42 |
| ; CHECK-NEXT: mov r0, r2 |
| ; CHECK-NEXT: bx lr |
| %tmp = ashr i32 %b, 7 |
| %tmp1 = xor i32 %a, %tmp |
| %tmp2 = icmp eq i32 %tmp1, 0 |
| %ret = select i1 %tmp2, i32 42, i32 24 |
| ret i32 %ret |
| } |
| |
| define i32 @f9(i32 %a, i32 %b) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: movs r1, #24 |
| ; CHECK-NEXT: teq.w r0, r0, ror #8 |
| ; CHECK-NEXT: it eq |
| ; CHECK-NEXT: moveq r1, #42 |
| ; CHECK-NEXT: mov r0, r1 |
| ; CHECK-NEXT: bx lr |
| %l8 = shl i32 %a, 24 |
| %r8 = lshr i32 %a, 8 |
| %tmp = or i32 %l8, %r8 |
| %tmp1 = xor i32 %a, %tmp |
| %tmp2 = icmp eq i32 %tmp1, 0 |
| %ret = select i1 %tmp2, i32 42, i32 24 |
| ret i32 %ret |
| } |