File: bypass-slow-div-not-exact.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (16 lines) | stat: -rw-r--r-- 492 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: opt -S -codegenprepare < %s | FileCheck %s

target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
target triple = "nvptx64-nvidia-cuda"

; Check that the smaller-width division that the BypassSlowDivision pass
; creates is not marked as "exact" (that is, it doesn't claim that the
; numerator is a multiple of the denominator).
;
; CHECK-LABEL: @test
define void @test(i64 %a, i64 %b, ptr %retptr) {
  ; CHECK: udiv i32
  %d = sdiv i64 %a, %b
  store i64 %d, ptr %retptr
  ret void
}