File: invariant.group.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 (40 lines) | stat: -rw-r--r-- 1,055 bytes parent folder | download | duplicates (4) 
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
31
32
33
34
35
36
37
38
39
40
 
; RUN: opt -codegenprepare -S -mtriple=x86_64 < %s | FileCheck %s

@tmp = global i8 0

; CHECK-LABEL: define void @foo() {
define void @foo() {
enter:
  ; CHECK-NOT: !invariant.group
  ; CHECK-NOT: @llvm.launder.invariant.group.p0(
  ; CHECK: %val = load i8, ptr @tmp, align 1{{$}}
  %val = load i8, ptr @tmp, !invariant.group !0
  %ptr = call ptr @llvm.launder.invariant.group.p0(ptr @tmp)
  
  ; CHECK: store i8 42, ptr @tmp, align 1{{$}}
  store i8 42, ptr %ptr, !invariant.group !0
  
  ret void
}
; CHECK-LABEL: }

; CHECK-LABEL: define void @foo2() {
define void @foo2() {
enter:
  ; CHECK-NOT: !invariant.group
  ; CHECK-NOT: @llvm.strip.invariant.group.p0(
  ; CHECK: %val = load i8, ptr @tmp, align 1{{$}}
  %val = load i8, ptr @tmp, !invariant.group !0
  %ptr = call ptr @llvm.strip.invariant.group.p0(ptr @tmp)

  ; CHECK: store i8 42, ptr @tmp, align 1{{$}}
  store i8 42, ptr %ptr, !invariant.group !0

  ret void
}
; CHECK-LABEL: }


declare ptr @llvm.launder.invariant.group.p0(ptr)
declare ptr @llvm.strip.invariant.group.p0(ptr)
!0 = !{}