xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/2007-12-21-Crash.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker;RUN: opt < %s -simplifycfg -disable-output
2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workerdefine i32 @bork() nounwind  {
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker	br label %bb5.outer
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerbb5.outer.loopexit:		; preds = %bb5
9*9880d681SAndroid Build Coastguard Worker	br label %bb5.outer
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerbb5.outer:		; preds = %bb5.outer.loopexit, %entry
12*9880d681SAndroid Build Coastguard Worker	%undo.0.ph = phi i32 [ 0, %entry ], [ 1, %bb5.outer.loopexit ]		; <i32> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker	br label %bb5
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerbb5:		; preds = %bb5, %bb5.outer
16*9880d681SAndroid Build Coastguard Worker	%tmp6 = tail call i32 (...) @foo( ) nounwind 		; <i32> [#uses=1]
17*9880d681SAndroid Build Coastguard Worker	switch i32 %tmp6, label %bb13 [
18*9880d681SAndroid Build Coastguard Worker		 i32 -1, label %bb10
19*9880d681SAndroid Build Coastguard Worker		 i32 102, label %bb5
20*9880d681SAndroid Build Coastguard Worker		 i32 110, label %bb5.outer.loopexit
21*9880d681SAndroid Build Coastguard Worker	]
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerbb10:		; preds = %bb5
24*9880d681SAndroid Build Coastguard Worker	%tmp12 = tail call i32 (...) @bar( i32 %undo.0.ph ) nounwind 		; <i32> [#uses=0]
25*9880d681SAndroid Build Coastguard Worker	br label %UnifiedReturnBlock
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerbb13:		; preds = %bb5
28*9880d681SAndroid Build Coastguard Worker	br label %UnifiedReturnBlock
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard WorkerUnifiedReturnBlock:		; preds = %bb13, %bb10
31*9880d681SAndroid Build Coastguard Worker	%UnifiedRetVal = phi i32 [ 1, %bb10 ], [ 258, %bb13 ]		; <i32> [#uses=1]
32*9880d681SAndroid Build Coastguard Worker	ret i32 %UnifiedRetVal
33*9880d681SAndroid Build Coastguard Worker}
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerdeclare i32 @foo(...)
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerdeclare i32 @bar(...)
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