| Jonas Paulsson | cad72ef | 2017-04-07 12:35:11 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=s390x-linux-gnu -mcpu=zEC12 < %s | FileCheck %s |
| 2 | ; |
| 3 | ; Check that DAGCombiner doesn't crash in SystemZ combineTruncateExtract() |
| 4 | ; when handling EXTRACT_VECTOR_ELT without vector support. |
| 5 | |
| 6 | define void @autogen_SD21598(<2 x i8> %Arg) { |
| 7 | ; CHECK: stc %r3, 0(%r1) |
| 8 | ; CHECK: j .LBB0_1 |
| 9 | |
| 10 | entry: |
| 11 | br label %loop |
| 12 | |
| 13 | loop: ; preds = %CF249, %CF247 |
| 14 | %Shuff = shufflevector <2 x i8> undef, <2 x i8> %Arg, <2 x i32> <i32 3, i32 1> |
| 15 | %E = extractelement <2 x i8> %Shuff, i32 0 |
| 16 | store i8 %E, i8* undef |
| 17 | br label %loop |
| 18 | } |