Add support for the R and Q constraints.

llvm-svn: 137217
diff --git a/llvm/test/CodeGen/ARM/inlineasm4.ll b/llvm/test/CodeGen/ARM/inlineasm4.ll
new file mode 100644
index 0000000..9ed4b99
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/inlineasm4.ll
@@ -0,0 +1,17 @@
+; RUN: llc < %s -march=arm | FileCheck %s
+
+define double @f(double %x) {
+entry:
+  %0 = tail call double asm "mov     ${0:R}, #4\0A", "=&r"()
+  ret double %0
+; CHECK: f:
+; CHECK:	mov     r1, #4
+}
+
+define double @g(double %x) {
+entry:
+  %0 = tail call double asm "mov     ${0:Q}, #4\0A", "=&r"()
+  ret double %0
+; CHECK: g:
+; CHECK:	mov     r0, #4
+}