| Vadim Chugunov | e6f7655 | 2017-07-05 22:01:49 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -asm-verbose=false | FileCheck %s |
| 2 | ; Test that UMULO works correctly on 64-bit operands. |
| 3 | target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| 4 | target triple = "wasm32-unknown-emscripten" |
| 5 | |
| 6 | ; CHECK-LABEL: _ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE: |
| 7 | ; CHECK: __multi3 |
| 8 | ; Function Attrs: inlinehint |
| 9 | define void @"_ZN4core3num21_$LT$impl$u20$u64$GT$15overflowing_mul17h07be88b4cbac028fE"(i64, i64) unnamed_addr #0 { |
| 10 | start: |
| 11 | %2 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %0, i64 %1) |
| 12 | %3 = extractvalue { i64, i1 } %2, 0 |
| 13 | store i64 %3, i64* undef |
| 14 | unreachable |
| 15 | } |
| 16 | |
| 17 | ; Function Attrs: nounwind readnone speculatable |
| 18 | declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1 |
| 19 | |
| 20 | attributes #0 = { inlinehint } |
| 21 | attributes #1 = { nounwind readnone speculatable } |