Add support for ARM's Advanced SIMD (NEON) instruction set.
This is still a work in progress but most of the NEON instruction set
is supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/vsubl.ll b/test/CodeGen/ARM/vsubl.ll
new file mode 100644
index 0000000..d2af455
--- /dev/null
+++ b/test/CodeGen/ARM/vsubl.ll
@@ -0,0 +1,57 @@
+; RUN: llvm-as < %s | llc -march=arm -mattr=+neon > %t
+; RUN: grep {vsubl\\.s8} %t | count 1
+; RUN: grep {vsubl\\.s16} %t | count 1
+; RUN: grep {vsubl\\.s32} %t | count 1
+; RUN: grep {vsubl\\.u8} %t | count 1
+; RUN: grep {vsubl\\.u16} %t | count 1
+; RUN: grep {vsubl\\.u32} %t | count 1
+
+define <8 x i16> @vsubls8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+ %tmp1 = load <8 x i8>* %A
+ %tmp2 = load <8 x i8>* %B
+ %tmp3 = call <8 x i16> @llvm.arm.neon.vsubls.v8i16(<8 x i8> %tmp1, <8 x i8> %tmp2)
+ ret <8 x i16> %tmp3
+}
+
+define <4 x i32> @vsubls16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+ %tmp1 = load <4 x i16>* %A
+ %tmp2 = load <4 x i16>* %B
+ %tmp3 = call <4 x i32> @llvm.arm.neon.vsubls.v4i32(<4 x i16> %tmp1, <4 x i16> %tmp2)
+ ret <4 x i32> %tmp3
+}
+
+define <2 x i64> @vsubls32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+ %tmp1 = load <2 x i32>* %A
+ %tmp2 = load <2 x i32>* %B
+ %tmp3 = call <2 x i64> @llvm.arm.neon.vsubls.v2i64(<2 x i32> %tmp1, <2 x i32> %tmp2)
+ ret <2 x i64> %tmp3
+}
+
+define <8 x i16> @vsublu8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+ %tmp1 = load <8 x i8>* %A
+ %tmp2 = load <8 x i8>* %B
+ %tmp3 = call <8 x i16> @llvm.arm.neon.vsublu.v8i16(<8 x i8> %tmp1, <8 x i8> %tmp2)
+ ret <8 x i16> %tmp3
+}
+
+define <4 x i32> @vsublu16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+ %tmp1 = load <4 x i16>* %A
+ %tmp2 = load <4 x i16>* %B
+ %tmp3 = call <4 x i32> @llvm.arm.neon.vsublu.v4i32(<4 x i16> %tmp1, <4 x i16> %tmp2)
+ ret <4 x i32> %tmp3
+}
+
+define <2 x i64> @vsublu32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+ %tmp1 = load <2 x i32>* %A
+ %tmp2 = load <2 x i32>* %B
+ %tmp3 = call <2 x i64> @llvm.arm.neon.vsublu.v2i64(<2 x i32> %tmp1, <2 x i32> %tmp2)
+ ret <2 x i64> %tmp3
+}
+
+declare <8 x i16> @llvm.arm.neon.vsubls.v8i16(<8 x i8>, <8 x i8>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vsubls.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
+declare <2 x i64> @llvm.arm.neon.vsubls.v2i64(<2 x i32>, <2 x i32>) nounwind readnone
+
+declare <8 x i16> @llvm.arm.neon.vsublu.v8i16(<8 x i8>, <8 x i8>) nounwind readnone
+declare <4 x i32> @llvm.arm.neon.vsublu.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
+declare <2 x i64> @llvm.arm.neon.vsublu.v2i64(<2 x i32>, <2 x i32>) nounwind readnone