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-rw-r--r--lib/Target/AArch64/AArch64InstrInfo.td7
-rw-r--r--test/CodeGen/AArch64/arm64-neon-copy.ll17
2 files changed, 15 insertions, 9 deletions
diff --git a/lib/Target/AArch64/AArch64InstrInfo.td b/lib/Target/AArch64/AArch64InstrInfo.td
index 70a1f849f1a..d02bc9ff394 100644
--- a/lib/Target/AArch64/AArch64InstrInfo.td
+++ b/lib/Target/AArch64/AArch64InstrInfo.td
@@ -3806,6 +3806,13 @@ def : Pat<(sext_inreg (vector_extract (v8i16 V128:$Rn), VectorIndexH:$idx),i16),
def : Pat<(sext (i32 (vector_extract (v4i32 V128:$Rn), VectorIndexS:$idx))),
(i64 (SMOVvi32to64 V128:$Rn, VectorIndexS:$idx))>;
+def : Pat<(sext_inreg (i64 (anyext (i32 (vector_extract (v16i8 V128:$Rn),
+ VectorIndexB:$idx)))), i8),
+ (i64 (SMOVvi8to64 V128:$Rn, VectorIndexB:$idx))>;
+def : Pat<(sext_inreg (i64 (anyext (i32 (vector_extract (v8i16 V128:$Rn),
+ VectorIndexH:$idx)))), i16),
+ (i64 (SMOVvi16to64 V128:$Rn, VectorIndexH:$idx))>;
+
// Extracting i8 or i16 elements will have the zero-extend transformed to
// an 'and' mask by type legalization since neither i8 nor i16 are legal types
// for AArch64. Match these patterns here since UMOV already zeroes out the high
diff --git a/test/CodeGen/AArch64/arm64-neon-copy.ll b/test/CodeGen/AArch64/arm64-neon-copy.ll
index b74a40626ce..83b1cac70f5 100644
--- a/test/CodeGen/AArch64/arm64-neon-copy.ll
+++ b/test/CodeGen/AArch64/arm64-neon-copy.ll
@@ -320,21 +320,20 @@ define i32 @smovw8h(<8 x i16> %tmp1) {
ret i32 %tmp5
}
-define i32 @smovx16b(<16 x i8> %tmp1) {
+define i64 @smovx16b(<16 x i8> %tmp1) {
; CHECK-LABEL: smovx16b:
-; CHECK: smov {{[xw][0-9]+}}, {{v[0-9]+}}.b[8]
+; CHECK: smov {{x[0-9]+}}, {{v[0-9]+}}.b[8]
%tmp3 = extractelement <16 x i8> %tmp1, i32 8
- %tmp4 = sext i8 %tmp3 to i32
- %tmp5 = add i32 %tmp4, %tmp4
- ret i32 %tmp5
+ %tmp4 = sext i8 %tmp3 to i64
+ ret i64 %tmp4
}
-define i32 @smovx8h(<8 x i16> %tmp1) {
+define i64 @smovx8h(<8 x i16> %tmp1) {
; CHECK-LABEL: smovx8h:
-; CHECK: smov {{[xw][0-9]+}}, {{v[0-9]+}}.h[2]
+; CHECK: smov {{x[0-9]+}}, {{v[0-9]+}}.h[2]
%tmp3 = extractelement <8 x i16> %tmp1, i32 2
- %tmp4 = sext i16 %tmp3 to i32
- ret i32 %tmp4
+ %tmp4 = sext i16 %tmp3 to i64
+ ret i64 %tmp4
}
define i64 @smovx4s(<4 x i32> %tmp1) {