; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s | FileCheck %s | |
; | |
; Check that DAGCombiner doesn't crash in SystemZ combineTruncateExtract() | |
; when handling EXTRACT_VECTOR_ELT without vector support. | |
define void @autogen_SD21598(<2 x i8> %Arg) { | |
; CHECK: stc %r3, 0(%r1) | |
; CHECK: j .LBB0_1 | |
entry: | |
br label %loop | |
loop: ; preds = %CF249, %CF247 | |
%Shuff = shufflevector <2 x i8> undef, <2 x i8> %Arg, <2 x i32> <i32 3, i32 1> | |
%E = extractelement <2 x i8> %Shuff, i32 0 | |
store i8 %E, i8* undef | |
br label %loop | |
} |