-; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s
+; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
define <8 x i8> @vshrns8(<8 x i16>* %A) nounwind {
-;CHECK: vshrns8:
+;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
+ %tmp1 = load <8 x i16>, <8 x i16>* %A
+ %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: vshrns16:
+;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
+ %tmp1 = load <4 x i32>, <4 x i32>* %A
+ %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: vshrns32:
+;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 >)
+ %tmp1 = load <2 x i64>, <2 x i64>* %A
+ %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>, <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>, <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
+}
+
+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>, <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:
+;CHECK: vrshrn.i16
+ %tmp1 = load <8 x i16>, <8 x i16>* %A
+ %tmp2 = call <8 x i8> @llvm.arm.neon.vrshiftn.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
+}
+
+define <4 x i16> @vrshrns16(<4 x i32>* %A) nounwind {
+;CHECK-LABEL: vrshrns16:
+;CHECK: vrshrn.i32
+ %tmp1 = load <4 x i32>, <4 x i32>* %A
+ %tmp2 = call <4 x i16> @llvm.arm.neon.vrshiftn.v4i16(<4 x i32> %tmp1, <4 x i32> < i32 -16, i32 -16, i32 -16, i32 -16 >)
+ ret <4 x i16> %tmp2
+}
+
+define <2 x i32> @vrshrns32(<2 x i64>* %A) nounwind {
+;CHECK-LABEL: vrshrns32:
+;CHECK: vrshrn.i64
+ %tmp1 = load <2 x i64>, <2 x i64>* %A
+ %tmp2 = call <2 x i32> @llvm.arm.neon.vrshiftn.v2i32(<2 x i64> %tmp1, <2 x i64> < i64 -32, i64 -32 >)
ret <2 x i32> %tmp2
}
-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
+declare <8 x i8> @llvm.arm.neon.vrshiftn.v8i8(<8 x i16>, <8 x i16>) nounwind readnone
+declare <4 x i16> @llvm.arm.neon.vrshiftn.v4i16(<4 x i32>, <4 x i32>) nounwind readnone
+declare <2 x i32> @llvm.arm.neon.vrshiftn.v2i32(<2 x i64>, <2 x i64>) nounwind readnone