File: upgrade-invariant-group-barrier.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (22 lines) | stat: -rw-r--r-- 1,031 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; RUN: opt -S < %s | FileCheck %s

; The intrinsic firstly only took i8*, then it was made polimorphic, then
; it was renamed to launder.invariant.group
define void @test(i8* %p1, i16* %p16) {
; CHECK-LABEL: @test
; CHECK: %p2 = call i8* @llvm.launder.invariant.group.p0i8(i8* %p1)
; CHECK: %p3 = call i8* @llvm.launder.invariant.group.p0i8(i8* %p1)
; CHECK: %p4 = call i16* @llvm.launder.invariant.group.p0i16(i16* %p16)
  %p2 = call i8* @llvm.invariant.group.barrier(i8* %p1)
  %p3 = call i8* @llvm.invariant.group.barrier.p0i8(i8* %p1)
  %p4 = call i16* @llvm.invariant.group.barrier.p0i16(i16* %p16)
  ret void
}

; CHECK: Function Attrs: inaccessiblememonly nounwind speculatable
; CHECK: declare i8* @llvm.launder.invariant.group.p0i8(i8*)
; CHECK: Function Attrs: inaccessiblememonly nounwind speculatable
; CHECK: declare i16* @llvm.launder.invariant.group.p0i16(i16*)
declare i8* @llvm.invariant.group.barrier(i8*)
declare i8* @llvm.invariant.group.barrier.p0i8(i8*)
declare i16* @llvm.invariant.group.barrier.p0i16(i16*)