File: pr43317.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.4-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,998,488 kB
  • sloc: cpp: 6,951,470; ansic: 1,486,052; asm: 913,550; python: 232,020; f90: 80,126; objc: 75,349; lisp: 37,276; pascal: 16,990; sh: 9,935; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,164; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (35 lines) | stat: -rw-r--r-- 1,199 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
 
; RUN: opt -disable-output -passes='loop-mssa(licm),print<memoryssa>' < %s 2>&1 | FileCheck %s
@v_274 = external dso_local global i64, align 1
@v_295 = external dso_local global i16, align 1
@v_335 = external dso_local global i32, align 1

; CHECK-LABEL: @main()
; CHECK-NOT: 5 = MemoryPhi(
; CHECK-NOT: 6 = MemoryPhi(
; CHECK: 4 = MemoryPhi(
; CHECK-NOT: 7 = MemoryPhi(
define dso_local void @main() {
entry:
  store i32 undef, ptr @v_335, align 1
  br i1 undef, label %gate, label %exit

nopredentry1:                                     ; No predecessors!
  br label %preinfiniteloop

nopredentry2:                                     ; No predecessors!
  br label %gate

gate:                                             ; preds = %nopredentry2, %entry
  br i1 undef, label %preinfiniteloop, label %exit

preinfiniteloop:                                  ; preds = %gate, %nopredentry1
  br label %infiniteloop

infiniteloop:                                     ; preds = %infiniteloop, %preinfiniteloop
  store i16 undef, ptr @v_295, align 1
  br label %infiniteloop

exit:                                             ; preds = %gate, %entry
  store i64 undef, ptr @v_274, align 1
  ret void
}