| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu | FileCheck %s --check-prefixes=AARCH |
| |
| define { i128, i8 } @muloti_test(i128 %l, i128 %r) unnamed_addr #0 { |
| ; AARCH-LABEL: muloti_test: |
| ; AARCH: // %bb.0: // %start |
| ; AARCH-NEXT: mul x8, x3, x0 |
| ; AARCH-NEXT: umulh x9, x0, x2 |
| ; AARCH-NEXT: madd x11, x1, x2, x8 |
| ; AARCH-NEXT: add x8, x9, x11 |
| ; AARCH-NEXT: cmp x8, x9 |
| ; AARCH-NEXT: cset w9, lo |
| ; AARCH-NEXT: cmp x11, #0 // =0 |
| ; AARCH-NEXT: csel w9, wzr, w9, eq |
| ; AARCH-NEXT: cmp x3, #0 // =0 |
| ; AARCH-NEXT: umulh x10, x1, x2 |
| ; AARCH-NEXT: cset w12, ne |
| ; AARCH-NEXT: cmp x1, #0 // =0 |
| ; AARCH-NEXT: umulh x11, x3, x0 |
| ; AARCH-NEXT: cset w13, ne |
| ; AARCH-NEXT: cmp xzr, x10 |
| ; AARCH-NEXT: and w10, w13, w12 |
| ; AARCH-NEXT: cset w12, ne |
| ; AARCH-NEXT: cmp xzr, x11 |
| ; AARCH-NEXT: orr w10, w10, w12 |
| ; AARCH-NEXT: cset w11, ne |
| ; AARCH-NEXT: orr w10, w10, w11 |
| ; AARCH-NEXT: orr w9, w10, w9 |
| ; AARCH-NEXT: mul x0, x0, x2 |
| ; AARCH-NEXT: mov x1, x8 |
| ; AARCH-NEXT: mov w2, w9 |
| ; AARCH-NEXT: ret |
| 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 } |