| ; RUN: llc -aarch64-sve-vector-bits-min=256 < %s | FileCheck %s |
| |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| ; Currently there is no custom lowering for vector shuffles operating on types |
| ; bigger than NEON. However, having no support opens us up to a code generator |
| ; hang when expanding BUILD_VECTOR. Here we just validate the promblematic case |
| ; successfully exits code generation. |
| define void @hang_when_merging_stores_after_legalisation(<8 x i32>* %a, <2 x i32> %b) #0 { |
| ; CHECK-LABEL: hang_when_merging_stores_after_legalisation: |
| %splat = shufflevector <2 x i32> %b, <2 x i32> undef, <8 x i32> zeroinitializer |
| %interleaved.vec = shufflevector <8 x i32> %splat, <8 x i32> undef, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7> |
| store <8 x i32> %interleaved.vec, <8 x i32>* %a, align 4 |
| ret void |
| } |
| |
| attributes #0 = { nounwind "target-features"="+sve" } |
