File: invariant.group.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (40 lines) | stat: -rw-r--r-- 1,099 bytes parent folder | download | duplicates (8) 
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 -passes='require<profile-summary>,function(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 = !{}