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; 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
}
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