File: nontemporal.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 (30 lines) | stat: -rw-r--r-- 906 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=gvn -S < %s | FileCheck %s

; Check that !nontemporal metadata is preserved only if both original
; instructions are marked.
define i64 @one_nontemporal(ptr %p) {
; CHECK-LABEL: @one_nontemporal(
; CHECK-NEXT:    [[A:%.*]] = load i64, ptr [[P:%.*]], align 4
; CHECK-NEXT:    [[C:%.*]] = add i64 [[A]], [[A]]
; CHECK-NEXT:    ret i64 [[C]]
;
  %a = load i64, ptr %p
  %b = load i64, ptr %p, !nontemporal !0
  %c = add i64 %a, %b
  ret i64 %c
}

define i64 @both_nontemporal(ptr %p) {
; CHECK-LABEL: @both_nontemporal(
; CHECK-NEXT:    [[A:%.*]] = load i64, ptr [[P:%.*]], align 4, !nontemporal !0
; CHECK-NEXT:    [[C:%.*]] = add i64 [[A]], [[A]]
; CHECK-NEXT:    ret i64 [[C]]
;
  %a = load i64, ptr %p, !nontemporal !0
  %b = load i64, ptr %p, !nontemporal !0
  %c = add i64 %a, %b
  ret i64 %c
}

!0 = !{i32 1}