diff options
Diffstat (limited to 'test/CodeGen/ARM/vrev.ll')
| -rw-r--r-- | test/CodeGen/ARM/vrev.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/vrev.ll b/test/CodeGen/ARM/vrev.ll index e1fe64b..f0f9e4e 100644 --- a/test/CodeGen/ARM/vrev.ll +++ b/test/CodeGen/ARM/vrev.ll @@ -129,3 +129,21 @@ define <8 x i16> @test_vrev32Q16_undef(<8 x i16>* %A) nounwind { %tmp2 = shufflevector <8 x i16> %tmp1, <8 x i16> undef, <8 x i32> <i32 undef, i32 0, i32 undef, i32 2, i32 5, i32 4, i32 7, i32 undef> ret <8 x i16> %tmp2 } + +; A vcombine feeding a VREV should not obscure things. Radar 8597007. + +define void @test_with_vcombine(<4 x float>* %v) nounwind { +;CHECK: test_with_vcombine: +;CHECK-NOT: vext +;CHECK: vrev64.32 + %tmp1 = load <4 x float>* %v, align 16 + %tmp2 = bitcast <4 x float> %tmp1 to <2 x double> + %tmp3 = extractelement <2 x double> %tmp2, i32 0 + %tmp4 = bitcast double %tmp3 to <2 x float> + %tmp5 = extractelement <2 x double> %tmp2, i32 1 + %tmp6 = bitcast double %tmp5 to <2 x float> + %tmp7 = fadd <2 x float> %tmp6, %tmp6 + %tmp8 = shufflevector <2 x float> %tmp4, <2 x float> %tmp7, <4 x i32> <i32 1, i32 0, i32 3, i32 2> + store <4 x float> %tmp8, <4 x float>* %v, align 16 + ret void +} |
