diff options
Diffstat (limited to 'test/CodeGen/ARM/vshrn.ll')
-rw-r--r-- | test/CodeGen/ARM/vshrn.ll | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/test/CodeGen/ARM/vshrn.ll b/test/CodeGen/ARM/vshrn.ll index 40a94fee0d..cc936be829 100644 --- a/test/CodeGen/ARM/vshrn.ll +++ b/test/CodeGen/ARM/vshrn.ll @@ -4,29 +4,58 @@ define <8 x i8> @vshrns8(<8 x i16>* %A) nounwind { ;CHECK-LABEL: vshrns8: ;CHECK: vshrn.i16 %tmp1 = load <8 x i16>* %A - %tmp2 = call <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16> %tmp1, <8 x i16> < i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8, i16 -8 >) - ret <8 x i8> %tmp2 + %tmp2 = lshr <8 x i16> %tmp1, <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8> + %tmp3 = trunc <8 x i16> %tmp2 to <8 x i8> + ret <8 x i8> %tmp3 } define <4 x i16> @vshrns16(<4 x i32>* %A) nounwind { ;CHECK-LABEL: vshrns16: ;CHECK: vshrn.i32 %tmp1 = load <4 x i32>* %A - %tmp2 = call <4 x i16> @llvm.arm.neon.vshiftn.v4i16(<4 x i32> %tmp1, <4 x i32> < i32 -16, i32 -16, i32 -16, i32 -16 >) - ret <4 x i16> %tmp2 + %tmp2 = ashr <4 x i32> %tmp1, <i32 16, i32 16, i32 16, i32 16> + %tmp3 = trunc <4 x i32> %tmp2 to <4 x i16> + ret <4 x i16> %tmp3 } define <2 x i32> @vshrns32(<2 x i64>* %A) nounwind { ;CHECK-LABEL: vshrns32: ;CHECK: vshrn.i64 %tmp1 = load <2 x i64>* %A - %tmp2 = call <2 x i32> @llvm.arm.neon.vshiftn.v2i32(<2 x i64> %tmp1, <2 x i64> < i64 -32, i64 -32 >) - ret <2 x i32> %tmp2 + %tmp2 = ashr <2 x i64> %tmp1, <i64 32, i64 32> + %tmp3 = trunc <2 x i64> %tmp2 to <2 x i32> + ret <2 x i32> %tmp3 +} + +define <8 x i8> @vshrns8_bad(<8 x i16>* %A) nounwind { +; CHECK-LABEL: vshrns8_bad: +; CHECK: vshr.s16 +; CHECK: vmovn.i16 + %tmp1 = load <8 x i16>* %A + %tmp2 = ashr <8 x i16> %tmp1, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9> + %tmp3 = trunc <8 x i16> %tmp2 to <8 x i8> + ret <8 x i8> %tmp3 +} + +define <4 x i16> @vshrns16_bad(<4 x i32>* %A) nounwind { +; CHECK-LABEL: vshrns16_bad: +; CHECK: vshr.u32 +; CHECK: vmovn.i32 + %tmp1 = load <4 x i32>* %A + %tmp2 = lshr <4 x i32> %tmp1, <i32 17, i32 17, i32 17, i32 17> + %tmp3 = trunc <4 x i32> %tmp2 to <4 x i16> + ret <4 x i16> %tmp3 } -declare <8 x i8> @llvm.arm.neon.vshiftn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone -declare <4 x i16> @llvm.arm.neon.vshiftn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone -declare <2 x i32> @llvm.arm.neon.vshiftn.v2i32(<2 x i64>, <2 x i64>) nounwind readnone +define <2 x i32> @vshrns32_bad(<2 x i64>* %A) nounwind { +; CHECK-LABEL: vshrns32_bad: +; CHECK: vshr.u64 +; CHECK: vmovn.i64 + %tmp1 = load <2 x i64>* %A + %tmp2 = lshr <2 x i64> %tmp1, <i64 33, i64 33> + %tmp3 = trunc <2 x i64> %tmp2 to <2 x i32> + ret <2 x i32> %tmp3 +} define <8 x i8> @vrshrns8(<8 x i16>* %A) nounwind { ;CHECK-LABEL: vrshrns8: |