R600: Add a test that used to be broken that I forgot to add

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207017 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/R600/extract_vector_elt_i16.ll b/test/CodeGen/R600/extract_vector_elt_i16.ll
new file mode 100644 (file)
index 0000000..e1b038a
--- /dev/null
+++ b/test/CodeGen/R600/extract_vector_elt_i16.ll
@@ -0,0 +1,29 @@
+; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+; FUNC-LABEL: @extract_vector_elt_v2i16
+; SI: BUFFER_LOAD_USHORT
+; SI: BUFFER_STORE_SHORT
+; SI: BUFFER_LOAD_USHORT
+; SI: BUFFER_STORE_SHORT
+define void @extract_vector_elt_v2i16(i16 addrspace(1)* %out, <2 x i16> %foo) nounwind {
+  %p0 = extractelement <2 x i16> %foo, i32 0
+  %p1 = extractelement <2 x i16> %foo, i32 1
+  %out1 = getelementptr i16 addrspace(1)* %out, i32 1
+  store i16 %p1, i16 addrspace(1)* %out, align 2
+  store i16 %p0, i16 addrspace(1)* %out1, align 2
+  ret void
+}
+
+; FUNC-LABEL: @extract_vector_elt_v4i16
+; SI: BUFFER_LOAD_USHORT
+; SI: BUFFER_STORE_SHORT
+; SI: BUFFER_LOAD_USHORT
+; SI: BUFFER_STORE_SHORT
+define void @extract_vector_elt_v4i16(i16 addrspace(1)* %out, <4 x i16> %foo) nounwind {
+  %p0 = extractelement <4 x i16> %foo, i32 0
+  %p1 = extractelement <4 x i16> %foo, i32 2
+  %out1 = getelementptr i16 addrspace(1)* %out, i32 1
+  store i16 %p1, i16 addrspace(1)* %out, align 2
+  store i16 %p0, i16 addrspace(1)* %out1, align 2
+  ret void
+}