Add CHECKs and document PR11158.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142240 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2011-10-17 20:23:23 +00:00
parent 32ab4aff69
commit f9b9abbd08

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@ -148,8 +148,13 @@ define void @test_with_vcombine(<4 x float>* %v) nounwind {
ret void
}
; vrev <4 x i16> should use VREV32 and not VREV64
; The type <2 x i16> is legalized to <2 x i32> and need to be trunc-stored
; to <2 x i16> when stored to memory. Currently ARM scalarizes these stores.
; See PR 11158
define void @test_vrev64(<4 x i16>* nocapture %source, <2 x i16>* nocapture %dst) nounwind ssp {
; CHECK: test_vrev64:
; CHECK: vst1.16
; CHECK: vst1.16
entry:
%0 = bitcast <4 x i16>* %source to <8 x i16>*
%tmp2 = load <8 x i16>* %0, align 4