| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=thumb-eabi < %s | FileCheck %s |
| |
| define i1 @test_srem_odd(i29 %X) nounwind { |
| ; CHECK-LABEL: test_srem_odd: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: ldr r1, .LCPI0_0 |
| ; CHECK-NEXT: muls r1, r0, r1 |
| ; CHECK-NEXT: ldr r0, .LCPI0_1 |
| ; CHECK-NEXT: adds r0, r1, r0 |
| ; CHECK-NEXT: ldr r1, .LCPI0_2 |
| ; CHECK-NEXT: cmp r0, r1 |
| ; CHECK-NEXT: blo .LBB0_2 |
| ; CHECK-NEXT: @ %bb.1: |
| ; CHECK-NEXT: movs r0, #0 |
| ; CHECK-NEXT: bx lr |
| ; CHECK-NEXT: .LBB0_2: |
| ; CHECK-NEXT: movs r0, #1 |
| ; CHECK-NEXT: bx lr |
| ; CHECK-NEXT: .p2align 2 |
| ; CHECK-NEXT: @ %bb.3: |
| ; CHECK-NEXT: .LCPI0_0: |
| ; CHECK-NEXT: .long 4208200280 @ 0xfad40a58 |
| ; CHECK-NEXT: .LCPI0_1: |
| ; CHECK-NEXT: .long 21691752 @ 0x14afd68 |
| ; CHECK-NEXT: .LCPI0_2: |
| ; CHECK-NEXT: .long 43383512 @ 0x295fad8 |
| %srem = srem i29 %X, 99 |
| %cmp = icmp eq i29 %srem, 0 |
| ret i1 %cmp |
| } |
| |
| define i1 @test_srem_even(i4 %X) nounwind { |
| ; CHECK-LABEL: test_srem_even: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: lsls r1, r0, #28 |
| ; CHECK-NEXT: asrs r1, r1, #28 |
| ; CHECK-NEXT: movs r2, #3 |
| ; CHECK-NEXT: muls r2, r1, r2 |
| ; CHECK-NEXT: lsrs r1, r2, #31 |
| ; CHECK-NEXT: lsrs r2, r2, #4 |
| ; CHECK-NEXT: adds r1, r2, r1 |
| ; CHECK-NEXT: movs r2, #6 |
| ; CHECK-NEXT: muls r2, r1, r2 |
| ; CHECK-NEXT: subs r0, r0, r2 |
| ; CHECK-NEXT: movs r1, #15 |
| ; CHECK-NEXT: ands r1, r0 |
| ; CHECK-NEXT: subs r1, r1, #1 |
| ; CHECK-NEXT: rsbs r0, r1, #0 |
| ; CHECK-NEXT: adcs r0, r1 |
| ; CHECK-NEXT: bx lr |
| %srem = srem i4 %X, 6 |
| %cmp = icmp eq i4 %srem, 1 |
| ret i1 %cmp |
| } |
| |
| define i1 @test_srem_pow2_setne(i6 %X) nounwind { |
| ; CHECK-LABEL: test_srem_pow2_setne: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: lsls r1, r0, #26 |
| ; CHECK-NEXT: asrs r1, r1, #26 |
| ; CHECK-NEXT: lsrs r1, r1, #30 |
| ; CHECK-NEXT: adds r1, r0, r1 |
| ; CHECK-NEXT: movs r2, #60 |
| ; CHECK-NEXT: ands r2, r1 |
| ; CHECK-NEXT: subs r1, r0, r2 |
| ; CHECK-NEXT: movs r0, #63 |
| ; CHECK-NEXT: ands r0, r1 |
| ; CHECK-NEXT: subs r1, r0, #1 |
| ; CHECK-NEXT: sbcs r0, r1 |
| ; CHECK-NEXT: bx lr |
| %srem = srem i6 %X, 4 |
| %cmp = icmp ne i6 %srem, 0 |
| ret i1 %cmp |
| } |
| |
| define <3 x i1> @test_srem_vec(<3 x i33> %X) nounwind { |
| ; CHECK-LABEL: test_srem_vec: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: .save {r4, r5, r6, r7, lr} |
| ; CHECK-NEXT: push {r4, r5, r6, r7, lr} |
| ; CHECK-NEXT: .pad #12 |
| ; CHECK-NEXT: sub sp, #12 |
| ; CHECK-NEXT: movs r7, r3 |
| ; CHECK-NEXT: str r2, [sp, #4] @ 4-byte Spill |
| ; CHECK-NEXT: movs r5, #1 |
| ; CHECK-NEXT: ands r1, r5 |
| ; CHECK-NEXT: rsbs r1, r1, #0 |
| ; CHECK-NEXT: movs r6, #9 |
| ; CHECK-NEXT: movs r3, #0 |
| ; CHECK-NEXT: str r3, [sp] @ 4-byte Spill |
| ; CHECK-NEXT: movs r2, r6 |
| ; CHECK-NEXT: bl __aeabi_ldivmod |
| ; CHECK-NEXT: movs r4, r2 |
| ; CHECK-NEXT: movs r0, #3 |
| ; CHECK-NEXT: str r0, [sp, #8] @ 4-byte Spill |
| ; CHECK-NEXT: eors r4, r0 |
| ; CHECK-NEXT: orrs r4, r3 |
| ; CHECK-NEXT: subs r0, r4, #1 |
| ; CHECK-NEXT: sbcs r4, r0 |
| ; CHECK-NEXT: ands r7, r5 |
| ; CHECK-NEXT: rsbs r1, r7, #0 |
| ; CHECK-NEXT: ldr r0, [sp, #4] @ 4-byte Reload |
| ; CHECK-NEXT: movs r2, r6 |
| ; CHECK-NEXT: ldr r7, [sp] @ 4-byte Reload |
| ; CHECK-NEXT: movs r3, r7 |
| ; CHECK-NEXT: bl __aeabi_ldivmod |
| ; CHECK-NEXT: movs r0, r5 |
| ; CHECK-NEXT: bics r0, r3 |
| ; CHECK-NEXT: movs r1, #2 |
| ; CHECK-NEXT: mvns r6, r1 |
| ; CHECK-NEXT: eors r6, r2 |
| ; CHECK-NEXT: orrs r6, r0 |
| ; CHECK-NEXT: subs r0, r6, #1 |
| ; CHECK-NEXT: sbcs r6, r0 |
| ; CHECK-NEXT: ldr r0, [sp, #36] |
| ; CHECK-NEXT: ands r0, r5 |
| ; CHECK-NEXT: rsbs r1, r0, #0 |
| ; CHECK-NEXT: movs r0, #8 |
| ; CHECK-NEXT: mvns r2, r0 |
| ; CHECK-NEXT: mvns r3, r7 |
| ; CHECK-NEXT: ldr r0, [sp, #32] |
| ; CHECK-NEXT: bl __aeabi_ldivmod |
| ; CHECK-NEXT: ands r5, r3 |
| ; CHECK-NEXT: ldr r0, [sp, #8] @ 4-byte Reload |
| ; CHECK-NEXT: eors r2, r0 |
| ; CHECK-NEXT: orrs r2, r5 |
| ; CHECK-NEXT: subs r0, r2, #1 |
| ; CHECK-NEXT: sbcs r2, r0 |
| ; CHECK-NEXT: movs r0, r4 |
| ; CHECK-NEXT: movs r1, r6 |
| ; CHECK-NEXT: add sp, #12 |
| ; CHECK-NEXT: pop {r4, r5, r6, r7} |
| ; CHECK-NEXT: pop {r3} |
| ; CHECK-NEXT: bx r3 |
| %srem = srem <3 x i33> %X, <i33 9, i33 9, i33 -9> |
| %cmp = icmp ne <3 x i33> %srem, <i33 3, i33 -3, i33 3> |
| ret <3 x i1> %cmp |
| } |