| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=thumb-eabi -mattr=+v6 | FileCheck %s --check-prefixes=THUMBV6 |
| |
| define { i128, i8 } @muloti_test(i128 %l, i128 %r) unnamed_addr #0 { |
| ; THUMBV6-LABEL: muloti_test: |
| ; THUMBV6: @ %bb.0: @ %start |
| ; THUMBV6-NEXT: .save {r4, r5, r6, r7, lr} |
| ; THUMBV6-NEXT: push {r4, r5, r6, r7, lr} |
| ; THUMBV6-NEXT: .pad #84 |
| ; THUMBV6-NEXT: sub sp, #84 |
| ; THUMBV6-NEXT: mov r6, r3 |
| ; THUMBV6-NEXT: mov r7, r2 |
| ; THUMBV6-NEXT: mov r4, r0 |
| ; THUMBV6-NEXT: movs r5, #0 |
| ; THUMBV6-NEXT: mov r0, sp |
| ; THUMBV6-NEXT: str r5, [r0, #12] |
| ; THUMBV6-NEXT: str r5, [r0, #8] |
| ; THUMBV6-NEXT: ldr r1, [sp, #116] |
| ; THUMBV6-NEXT: str r1, [sp, #72] @ 4-byte Spill |
| ; THUMBV6-NEXT: str r1, [r0, #4] |
| ; THUMBV6-NEXT: ldr r1, [sp, #112] |
| ; THUMBV6-NEXT: str r1, [sp, #44] @ 4-byte Spill |
| ; THUMBV6-NEXT: str r1, [r0] |
| ; THUMBV6-NEXT: mov r0, r2 |
| ; THUMBV6-NEXT: mov r1, r3 |
| ; THUMBV6-NEXT: mov r2, r5 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __multi3 |
| ; THUMBV6-NEXT: str r2, [sp, #36] @ 4-byte Spill |
| ; THUMBV6-NEXT: str r3, [sp, #40] @ 4-byte Spill |
| ; THUMBV6-NEXT: str r4, [sp, #76] @ 4-byte Spill |
| ; THUMBV6-NEXT: stm r4!, {r0, r1} |
| ; THUMBV6-NEXT: ldr r4, [sp, #120] |
| ; THUMBV6-NEXT: str r6, [sp, #56] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r0, r6 |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: mov r2, r4 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: mov r6, r0 |
| ; THUMBV6-NEXT: str r1, [sp, #48] @ 4-byte Spill |
| ; THUMBV6-NEXT: ldr r0, [sp, #124] |
| ; THUMBV6-NEXT: str r0, [sp, #80] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: mov r2, r7 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: str r1, [sp, #28] @ 4-byte Spill |
| ; THUMBV6-NEXT: adds r6, r0, r6 |
| ; THUMBV6-NEXT: str r4, [sp, #68] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r0, r4 |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: mov r2, r7 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: str r0, [sp, #20] @ 4-byte Spill |
| ; THUMBV6-NEXT: adds r0, r1, r6 |
| ; THUMBV6-NEXT: str r0, [sp, #16] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r0, r5 |
| ; THUMBV6-NEXT: adcs r0, r5 |
| ; THUMBV6-NEXT: str r0, [sp, #64] @ 4-byte Spill |
| ; THUMBV6-NEXT: ldr r7, [sp, #104] |
| ; THUMBV6-NEXT: ldr r0, [sp, #72] @ 4-byte Reload |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: mov r2, r7 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: mov r6, r0 |
| ; THUMBV6-NEXT: str r1, [sp, #52] @ 4-byte Spill |
| ; THUMBV6-NEXT: ldr r0, [sp, #108] |
| ; THUMBV6-NEXT: str r0, [sp, #60] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: ldr r4, [sp, #44] @ 4-byte Reload |
| ; THUMBV6-NEXT: mov r2, r4 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: str r1, [sp, #32] @ 4-byte Spill |
| ; THUMBV6-NEXT: adds r6, r0, r6 |
| ; THUMBV6-NEXT: str r7, [sp, #24] @ 4-byte Spill |
| ; THUMBV6-NEXT: mov r0, r7 |
| ; THUMBV6-NEXT: mov r1, r5 |
| ; THUMBV6-NEXT: mov r2, r4 |
| ; THUMBV6-NEXT: mov r3, r5 |
| ; THUMBV6-NEXT: bl __aeabi_lmul |
| ; THUMBV6-NEXT: adds r1, r1, r6 |
| ; THUMBV6-NEXT: mov r2, r5 |
| ; THUMBV6-NEXT: adcs r2, r5 |
| ; THUMBV6-NEXT: str r2, [sp, #44] @ 4-byte Spill |
| ; THUMBV6-NEXT: ldr r2, [sp, #20] @ 4-byte Reload |
| ; THUMBV6-NEXT: adds r0, r0, r2 |
| ; THUMBV6-NEXT: ldr r2, [sp, #16] @ 4-byte Reload |
| ; THUMBV6-NEXT: adcs r1, r2 |
| ; THUMBV6-NEXT: ldr r2, [sp, #36] @ 4-byte Reload |
| ; THUMBV6-NEXT: adds r0, r2, r0 |
| ; THUMBV6-NEXT: ldr r2, [sp, #76] @ 4-byte Reload |
| ; THUMBV6-NEXT: str r0, [r2, #8] |
| ; THUMBV6-NEXT: ldr r0, [sp, #40] @ 4-byte Reload |
| ; THUMBV6-NEXT: adcs r1, r0 |
| ; THUMBV6-NEXT: str r1, [r2, #12] |
| ; THUMBV6-NEXT: ldr r1, [sp, #28] @ 4-byte Reload |
| ; THUMBV6-NEXT: adcs r5, r5 |
| ; THUMBV6-NEXT: movs r0, #1 |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r2, r0 |
| ; THUMBV6-NEXT: bne .LBB0_2 |
| ; THUMBV6-NEXT: @ %bb.1: @ %start |
| ; THUMBV6-NEXT: mov r2, r1 |
| ; THUMBV6-NEXT: .LBB0_2: @ %start |
| ; THUMBV6-NEXT: str r2, [sp, #40] @ 4-byte Spill |
| ; THUMBV6-NEXT: ldr r1, [sp, #56] @ 4-byte Reload |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r4, r0 |
| ; THUMBV6-NEXT: bne .LBB0_4 |
| ; THUMBV6-NEXT: @ %bb.3: @ %start |
| ; THUMBV6-NEXT: mov r4, r1 |
| ; THUMBV6-NEXT: .LBB0_4: @ %start |
| ; THUMBV6-NEXT: ldr r1, [sp, #80] @ 4-byte Reload |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r2, r0 |
| ; THUMBV6-NEXT: ldr r3, [sp, #48] @ 4-byte Reload |
| ; THUMBV6-NEXT: ldr r6, [sp, #32] @ 4-byte Reload |
| ; THUMBV6-NEXT: bne .LBB0_6 |
| ; THUMBV6-NEXT: @ %bb.5: @ %start |
| ; THUMBV6-NEXT: ldr r2, [sp, #80] @ 4-byte Reload |
| ; THUMBV6-NEXT: .LBB0_6: @ %start |
| ; THUMBV6-NEXT: cmp r3, #0 |
| ; THUMBV6-NEXT: mov r7, r0 |
| ; THUMBV6-NEXT: ldr r1, [sp, #72] @ 4-byte Reload |
| ; THUMBV6-NEXT: bne .LBB0_8 |
| ; THUMBV6-NEXT: @ %bb.7: @ %start |
| ; THUMBV6-NEXT: mov r7, r3 |
| ; THUMBV6-NEXT: .LBB0_8: @ %start |
| ; THUMBV6-NEXT: cmp r6, #0 |
| ; THUMBV6-NEXT: mov r3, r0 |
| ; THUMBV6-NEXT: bne .LBB0_10 |
| ; THUMBV6-NEXT: @ %bb.9: @ %start |
| ; THUMBV6-NEXT: mov r3, r6 |
| ; THUMBV6-NEXT: .LBB0_10: @ %start |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r6, r1 |
| ; THUMBV6-NEXT: mov r1, r0 |
| ; THUMBV6-NEXT: bne .LBB0_12 |
| ; THUMBV6-NEXT: @ %bb.11: @ %start |
| ; THUMBV6-NEXT: mov r1, r6 |
| ; THUMBV6-NEXT: .LBB0_12: @ %start |
| ; THUMBV6-NEXT: str r7, [sp, #72] @ 4-byte Spill |
| ; THUMBV6-NEXT: ands r2, r4 |
| ; THUMBV6-NEXT: ldr r6, [sp, #60] @ 4-byte Reload |
| ; THUMBV6-NEXT: cmp r6, #0 |
| ; THUMBV6-NEXT: mov r4, r0 |
| ; THUMBV6-NEXT: bne .LBB0_14 |
| ; THUMBV6-NEXT: @ %bb.13: @ %start |
| ; THUMBV6-NEXT: mov r4, r6 |
| ; THUMBV6-NEXT: .LBB0_14: @ %start |
| ; THUMBV6-NEXT: ldr r7, [sp, #40] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r2, r7 |
| ; THUMBV6-NEXT: ands r4, r1 |
| ; THUMBV6-NEXT: orrs r4, r3 |
| ; THUMBV6-NEXT: ldr r3, [sp, #52] @ 4-byte Reload |
| ; THUMBV6-NEXT: cmp r3, #0 |
| ; THUMBV6-NEXT: mov r1, r0 |
| ; THUMBV6-NEXT: bne .LBB0_16 |
| ; THUMBV6-NEXT: @ %bb.15: @ %start |
| ; THUMBV6-NEXT: mov r1, r3 |
| ; THUMBV6-NEXT: .LBB0_16: @ %start |
| ; THUMBV6-NEXT: ldr r3, [sp, #72] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r2, r3 |
| ; THUMBV6-NEXT: orrs r4, r1 |
| ; THUMBV6-NEXT: ldr r1, [sp, #68] @ 4-byte Reload |
| ; THUMBV6-NEXT: ldr r3, [sp, #80] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r1, r3 |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r3, r0 |
| ; THUMBV6-NEXT: bne .LBB0_18 |
| ; THUMBV6-NEXT: @ %bb.17: @ %start |
| ; THUMBV6-NEXT: mov r3, r1 |
| ; THUMBV6-NEXT: .LBB0_18: @ %start |
| ; THUMBV6-NEXT: ldr r1, [sp, #64] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r2, r1 |
| ; THUMBV6-NEXT: ldr r1, [sp, #44] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r4, r1 |
| ; THUMBV6-NEXT: ldr r1, [sp, #24] @ 4-byte Reload |
| ; THUMBV6-NEXT: orrs r1, r6 |
| ; THUMBV6-NEXT: mov r6, r1 |
| ; THUMBV6-NEXT: cmp r1, #0 |
| ; THUMBV6-NEXT: mov r1, r0 |
| ; THUMBV6-NEXT: bne .LBB0_20 |
| ; THUMBV6-NEXT: @ %bb.19: @ %start |
| ; THUMBV6-NEXT: mov r1, r6 |
| ; THUMBV6-NEXT: .LBB0_20: @ %start |
| ; THUMBV6-NEXT: ands r1, r3 |
| ; THUMBV6-NEXT: orrs r1, r4 |
| ; THUMBV6-NEXT: orrs r1, r2 |
| ; THUMBV6-NEXT: orrs r1, r5 |
| ; THUMBV6-NEXT: ands r1, r0 |
| ; THUMBV6-NEXT: ldr r0, [sp, #76] @ 4-byte Reload |
| ; THUMBV6-NEXT: strb r1, [r0, #16] |
| ; THUMBV6-NEXT: add sp, #84 |
| ; THUMBV6-NEXT: pop {r4, r5, r6, r7, pc} |
| start: |
| %0 = tail call { i128, i1 } @llvm.umul.with.overflow.i128(i128 %l, i128 %r) #2 |
| %1 = extractvalue { i128, i1 } %0, 0 |
| %2 = extractvalue { i128, i1 } %0, 1 |
| %3 = zext i1 %2 to i8 |
| %4 = insertvalue { i128, i8 } undef, i128 %1, 0 |
| %5 = insertvalue { i128, i8 } %4, i8 %3, 1 |
| ret { i128, i8 } %5 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare { i128, i1 } @llvm.umul.with.overflow.i128(i128, i128) #1 |
| |
| attributes #0 = { nounwind readnone uwtable } |
| attributes #1 = { nounwind readnone speculatable } |
| attributes #2 = { nounwind } |