1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
; 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, ptr undef
br label %loop
}
|
