File: atomic-lower-local.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (18 lines) | stat: -rw-r--r-- 772 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: opt < %s -S -nvptx-atomic-lower | FileCheck %s

; This test ensures that there is a legal way for ptx to lower atomics
; on local memory. Here, we demonstrate this by lowering them to simple
; load and stores.

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
target triple = "nvptx64-unknown-unknown"

define double @kernel(ptr addrspace(5) %ptr, double %val) {
  %res = atomicrmw fadd ptr addrspace(5) %ptr, double %val monotonic, align 8
  ret double %res
; CHECK:   %1 = load double, ptr addrspace(5) %ptr, align 8
; CHECK-NEXT:   %new = fadd double %1, %val
; CHECK-NEXT:   store double %new, ptr addrspace(5) %ptr, align 8
; CHECK-NEXT:   ret double %1
}