xref: /aosp_15_r20/external/llvm/test/Transforms/Scalarizer/crash-bug.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt %s -scalarizer -S -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Don't crash
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @foo() {
6*9880d681SAndroid Build Coastguard Worker  br label %bb1
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerbb2:                                        ; preds = %bb1
9*9880d681SAndroid Build Coastguard Worker  %bb2_vec = shufflevector <2 x i16> <i16 0, i16 10000>,
10*9880d681SAndroid Build Coastguard Worker                           <2 x i16> %bb1_vec,
11*9880d681SAndroid Build Coastguard Worker                           <2 x i32> <i32 0, i32 3>
12*9880d681SAndroid Build Coastguard Worker  br label %bb1
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerbb1:                                        ; preds = %bb2, %0
15*9880d681SAndroid Build Coastguard Worker  %bb1_vec = phi <2 x i16> [ <i16 100, i16 200>, %0 ], [ %bb2_vec, %bb2 ]
16*9880d681SAndroid Build Coastguard Worker;CHECK: bb1:
17*9880d681SAndroid Build Coastguard Worker;CHECK: %bb1_vec.i0 = phi i16 [ 100, %0 ], [ 0, %bb2 ]
18*9880d681SAndroid Build Coastguard Worker;CHECK: %bb1_vec.i1 = phi i16 [ 200, %0 ], [ %bb1_vec.i1, %bb2 ]
19*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb3, label %bb2
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerbb3:
22*9880d681SAndroid Build Coastguard Worker  ret void
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
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