| ; RUN: opt -S -codegenprepare < %s | FileCheck %s |
| |
| target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" |
| target triple = "nvptx64-nvidia-cuda" |
| |
| ; We only use the div instruction -- the rem should be DCE'ed. |
| ; CHECK-LABEL: @div_only |
| define void @div_only(i64 %a, i64 %b, i64* %retptr) { |
| ; CHECK: udiv i32 |
| ; CHECK-NOT: urem |
| ; CHECK: sdiv i64 |
| ; CHECK-NOT: rem |
| %d = sdiv i64 %a, %b |
| store i64 %d, i64* %retptr |
| ret void |
| } |
| |
| ; We only use the rem instruction -- the div should be DCE'ed. |
| ; CHECK-LABEL: @rem_only |
| define void @rem_only(i64 %a, i64 %b, i64* %retptr) { |
| ; CHECK-NOT: div |
| ; CHECK: urem i32 |
| ; CHECK-NOT: div |
| ; CHECK: rem i64 |
| ; CHECK-NOT: div |
| %d = srem i64 %a, %b |
| store i64 %d, i64* %retptr |
| ret void |
| } |
