xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/bug-25299.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker;; Test case for bug 25299, contributed by David Majnemer.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @f(i1 %B) personality i1 undef {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker;CHECK: entry
11*9880d681SAndroid Build Coastguard Worker;CHECK-NEXT: call void @g()
12*9880d681SAndroid Build Coastguard Worker  invoke void @g()
13*9880d681SAndroid Build Coastguard Worker          to label %continue unwind label %unwind
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerunwind:                                           ; preds = %entry
16*9880d681SAndroid Build Coastguard Worker  %tmp101 = landingpad { i8*, i32 }
17*9880d681SAndroid Build Coastguard Worker          cleanup
18*9880d681SAndroid Build Coastguard Worker  br i1 %B, label %resume, label %then
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerthen:                                             ; preds = %cleanup1
21*9880d681SAndroid Build Coastguard Worker  br label %resume
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerresume:                                           ; preds = %cleanup2, %then, %cleanup1, %unwind
24*9880d681SAndroid Build Coastguard Worker  %tmp104 = phi { i8*, i32 } [ %tmp101, %then ], [ %tmp106, %cleanup2 ], [ %tmp101, %unwind ]
25*9880d681SAndroid Build Coastguard Worker;CHECK-NOT: resume { i8*, i32 } %tmp104
26*9880d681SAndroid Build Coastguard Worker  resume { i8*, i32 } %tmp104
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workercontinue:                                         ; preds = %entry, %continue
29*9880d681SAndroid Build Coastguard Worker;CHECK: continue:                                         ; preds = %entry, %continue
30*9880d681SAndroid Build Coastguard Worker;CHECK-NEXT: call void @g()
31*9880d681SAndroid Build Coastguard Worker  invoke void @g()
32*9880d681SAndroid Build Coastguard Worker          to label %continue unwind label %cleanup2
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Workercleanup2:                                         ; preds = %continue
35*9880d681SAndroid Build Coastguard Worker  %tmp106 = landingpad { i8*, i32 }
36*9880d681SAndroid Build Coastguard Worker          cleanup
37*9880d681SAndroid Build Coastguard Worker  br label %resume
38*9880d681SAndroid Build Coastguard Worker}
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerdeclare void @g()