| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=thumbv7-unknown-none-gnueabi | FileCheck %s --check-prefixes=THUMBV7 |
| |
| define { i64, i8 } @mulodi_test(i64 %l, i64 %r) unnamed_addr #0 { |
| ; THUMBV7-LABEL: mulodi_test: |
| ; THUMBV7: @ %bb.0: @ %start |
| ; THUMBV7-NEXT: .save {r4, r5, r6, lr} |
| ; THUMBV7-NEXT: push {r4, r5, r6, lr} |
| ; THUMBV7-NEXT: umull r12, lr, r3, r0 |
| ; THUMBV7-NEXT: movs r6, #0 |
| ; THUMBV7-NEXT: umull r4, r5, r1, r2 |
| ; THUMBV7-NEXT: umull r0, r2, r0, r2 |
| ; THUMBV7-NEXT: add r4, r12 |
| ; THUMBV7-NEXT: adds.w r12, r2, r4 |
| ; THUMBV7-NEXT: adc r2, r6, #0 |
| ; THUMBV7-NEXT: cmp r3, #0 |
| ; THUMBV7-NEXT: it ne |
| ; THUMBV7-NEXT: movne r3, #1 |
| ; THUMBV7-NEXT: cmp r1, #0 |
| ; THUMBV7-NEXT: it ne |
| ; THUMBV7-NEXT: movne r1, #1 |
| ; THUMBV7-NEXT: cmp r5, #0 |
| ; THUMBV7-NEXT: and.w r1, r1, r3 |
| ; THUMBV7-NEXT: it ne |
| ; THUMBV7-NEXT: movne r5, #1 |
| ; THUMBV7-NEXT: orrs r1, r5 |
| ; THUMBV7-NEXT: cmp.w lr, #0 |
| ; THUMBV7-NEXT: it ne |
| ; THUMBV7-NEXT: movne.w lr, #1 |
| ; THUMBV7-NEXT: orr.w r1, r1, lr |
| ; THUMBV7-NEXT: orrs r2, r1 |
| ; THUMBV7-NEXT: mov r1, r12 |
| ; THUMBV7-NEXT: pop {r4, r5, r6, pc} |
| start: |
| %0 = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %l, i64 %r) #2 |
| %1 = extractvalue { i64, i1 } %0, 0 |
| %2 = extractvalue { i64, i1 } %0, 1 |
| %3 = zext i1 %2 to i8 |
| %4 = insertvalue { i64, i8 } undef, i64 %1, 0 |
| %5 = insertvalue { i64, i8 } %4, i8 %3, 1 |
| ret { i64, i8 } %5 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1 |
| |
| attributes #0 = { nounwind readnone uwtable } |
| attributes #1 = { nounwind readnone speculatable } |
| attributes #2 = { nounwind } |