Hexagon backend support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Hexagon/args.ll b/test/CodeGen/Hexagon/args.ll
new file mode 100644
index 0000000..4ebcaec
--- /dev/null
+++ b/test/CodeGen/Hexagon/args.ll
@@ -0,0 +1,18 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; CHECK: r[[T0:[0-9]+]] = #7
+; CHECK: memw(r29 + #0) = r[[T0]]
+; CHECK: r0 = #1
+; CHECK: r1 = #2
+; CHECK: r2 = #3
+; CHECK: r3 = #4
+; CHECK: r4 = #5
+; CHECK: r5 = #6
+
+
+define void @foo() nounwind {
+entry:
+  call void @bar(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7)
+  ret void
+}
+
+declare void @bar(i32, i32, i32, i32, i32, i32, i32)