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-rw-r--r--test/CodeGen/ARM/vshrn.ll47
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: