| ; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z16 < %s | FileCheck %s | |
| ; | |
| ; Check that DAGCombiner doesn't crash in SystemZ combineExtract() | |
| ; when handling EXTRACT_VECTOR_ELT with a vector of i1:s. | |
| define i32 @fun(i32 %arg) { | |
| ; CHECK-LABEL: fun: | |
| entry: | |
| %cc = icmp eq i32 %arg, 0 | |
| br label %loop | |
| loop: | |
| %P = phi <128 x i1> [ zeroinitializer, %entry ], [ bitcast (<2 x i64> <i64 3, i64 3> to <128 x i1>), %loop ] | |
| br i1 %cc, label %exit, label %loop | |
| exit: | |
| %E = extractelement <128 x i1> %P, i64 0 | |
| %Res = zext i1 %E to i32 | |
| ret i32 %Res | |
| } |