xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/PR9946.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -simplifycfg -disable-output < %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@foo = external constant i32
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @f() {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  br i1 icmp eq (i64 and (i64 ptrtoint (i32* @foo to i64), i64 15), i64 0), label %if.end, label %if.then
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerif.then:                                          ; preds = %entry
10*9880d681SAndroid Build Coastguard Worker  br label %return
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerif.end:                                           ; preds = %entry
13*9880d681SAndroid Build Coastguard Worker  br label %return
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerreturn:                                           ; preds = %if.end, %if.then
16*9880d681SAndroid Build Coastguard Worker  %storemerge = phi i32 [ 1, %if.end ], [ 0, %if.then ]
17*9880d681SAndroid Build Coastguard Worker  ret i32 %storemerge
18*9880d681SAndroid Build Coastguard Worker}
19