File: verify-memoryphi.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (30 lines) | stat: -rw-r--r-- 818 bytes parent folder | download | duplicates (14) 
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 UTC_ARGS: --version 4
; Skip dead MemoryPhis when performing memory congruency verification
; in NewGVN.
; RUN: opt -S -passes=newgvn %s | FileCheck %s
; REQUIRES: asserts


declare void @llvm.lifetime.start.p0(i64, ptr nocapture)

define void @tinkywinky() {
; CHECK-LABEL: define void @tinkywinky() {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br i1 false, label [[BODY:%.*]], label [[END:%.*]]
; CHECK:       body:
; CHECK-NEXT:    store i8 poison, ptr null, align 1
; CHECK-NEXT:    br label [[END]]
; CHECK:       end:
; CHECK-NEXT:    ret void
;
entry:
  call void @llvm.lifetime.start.p0(i64 4, ptr undef)
  br i1 false, label %body, label %end

body:
  call void @llvm.lifetime.start.p0(i64 4, ptr undef)
  br label %end

end:
  ret void
}