File: loop-mssa-not-preserved.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (17 lines) | stat: -rw-r--r-- 401 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: not --crash opt -passes='loop-mssa(loop-unroll-full)' 2>&1 < %s | FileCheck %s

; CHECK: LLVM ERROR: Loop pass manager using MemorySSA contains a pass that does not preserve MemorySSA

define void @test() {
entry:
  br label %loop

loop:
  %i = phi i32 [ 0, %entry ], [ %i.inc, %loop ]
  %i.inc = add i32 %i, 1
  %c = icmp ult i32 %i, 8
  br i1 %c, label %loop, label %exit

exit:
  ret void
}