xref: /llvm-project/llvm/test/Analysis/MemorySSA/unreachable.ll (revision 1469d82e1cb3edc939d6b93089046edfef0cf36c)
1; RUN: opt -passes=licm -verify-memoryssa %s -S | FileCheck %s
2; REQUIRES: asserts
3; Ensure verification doesn't fail with unreachable blocks.
4
5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6target triple = "x86_64-grtev4-linux-gnu"
7
8declare dso_local void @f()
9
10; CHECK-LABEL: @foo
11define dso_local void @foo(i1 %arg) {
12entry:
13  br i1 %arg, label %if.then, label %if.end
14
15if.then:                                          ; preds = %entry
16  br label %try.cont
17
18if.end:                                           ; preds = %entry
19; 1 = MemoryDef(liveOnEntry)
20  call void @f()
21  br label %try.cont
22
23catch:                                            ; No predecessors!
24; 2 = MemoryDef(liveOnEntry)
25  call void @f()
26  br label %try.cont
27
28try.cont:                                         ; preds = %if.end, %catch, %if.then
29; 3 = MemoryPhi({if.then,liveOnEntry},{if.end,1},{catch,liveOnEntry})
30  ret void
31}
32