Initial support for addrmode handling. Tests by Brian Lucas!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86382 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/MSP430/AddrMode-bis-xr.ll b/test/CodeGen/MSP430/AddrMode-bis-xr.ll
new file mode 100644
index 0000000..ca79fb6
--- /dev/null
+++ b/test/CodeGen/MSP430/AddrMode-bis-xr.ll
@@ -0,0 +1,81 @@
+; RUN: llvm-as < %s | llc -march=msp430 | FileCheck %s
+target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:16"
+target triple = "msp430-generic-generic"
+
+define void @am1(i16* %a, i16 %x) nounwind {
+	%1 = load i16* %a
+	%2 = or i16 %x, %1
+	store i16 %2, i16* %a
+	ret void
+}
+; CHECK: am1:
+; CHECK:		bis.w	r14, 0(r15)
+
+@foo = external global i16
+
+define void @am2(i16 %x) nounwind {
+	%1 = load i16* @foo
+	%2 = or i16 %x, %1
+	store i16 %2, i16* @foo
+	ret void
+}
+; CHECK: am2:
+; CHECK:		bis.w	r15, &foo
+
+@bar = external global [2 x i8]
+
+define void @am3(i16 %i, i8 %x) nounwind {
+	%1 = getelementptr [2 x i8]* @bar, i16 0, i16 %i
+	%2 = load i8* %1
+	%3 = or i8 %x, %2
+	store i8 %3, i8* %1
+	ret void
+}
+; CHECK: am3:
+; CHECK:		bis.b	r14, &bar(r15)
+
+define void @am4(i16 %x) nounwind {
+	%1 = volatile load i16* inttoptr(i16 32 to i16*)
+	%2 = or i16 %x, %1
+	volatile store i16 %2, i16* inttoptr(i16 32 to i16*)
+	ret void
+}
+; CHECK: am4:
+; CHECK:		bis.w	r15, &32
+
+define void @am5(i16* %a, i16 %x) readonly {
+	%1 = getelementptr inbounds i16* %a, i16 2
+	%2 = load i16* %1
+	%3 = or i16 %x, %2
+	store i16 %3, i16* %1
+	ret void
+}
+; CHECK: am5:
+; CHECK:		bis.w	r14, 4(r15)
+
+%S = type { i16, i16 }
+@baz = common global %S zeroinitializer
+
+define void @am6(i16 %x) nounwind {
+	%1 = load i16* getelementptr (%S* @baz, i32 0, i32 1)
+	%2 = or i16 %x, %1
+	store i16 %2, i16* getelementptr (%S* @baz, i32 0, i32 1)
+	ret void
+}
+; CHECK: am6:
+; CHECK:		bis.w	r15, &baz+2
+
+%T = type { i16, [2 x i8] }
+@duh = external global %T
+
+define void @am7(i16 %n, i8 %x) nounwind {
+	%1 = getelementptr %T* @duh, i32 0, i32 1
+	%2 = getelementptr [2 x i8]* %1, i16 0, i16 %n
+	%3 = load i8* %2
+	%4 = or i8 %x, %3
+	store i8 %4, i8* %2
+	ret void
+}
+; CHECK: am7:
+; CHECK:		bis.b	r14, &duh+2(r15)
+