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-rw-r--r--test/CodeGen/AArch64/arm64-i16-subreg-extract.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-i16-subreg-extract.ll b/test/CodeGen/AArch64/arm64-i16-subreg-extract.ll
new file mode 100644
index 0000000000..ba759e32aa
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-i16-subreg-extract.ll
@@ -0,0 +1,12 @@
+; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple | FileCheck %s
+
+define i32 @foo(<4 x i16>* %__a) nounwind {
+; CHECK-LABEL: foo:
+; CHECK: umov.h w{{[0-9]+}}, v{{[0-9]+}}[0]
+ %tmp18 = load <4 x i16>* %__a, align 8
+ %vget_lane = extractelement <4 x i16> %tmp18, i32 0
+ %conv = zext i16 %vget_lane to i32
+ %mul = mul nsw i32 3, %conv
+ ret i32 %mul
+}
+