[inline asm] dot operator while using imm generates wrong ir + asm - clang part

Inline asm dot operator while using imm generates wrong ir and asm
This is the test for the llvm changes committed in revision 306300

This also fixes bugzilla 32987:
https://bugs.llvm.org//show_bug.cgi?id=32987

The llvm part of the review that contains the test can be found here:
https://reviews.llvm.org/D33039

commit on behald of zizhar

Differential Revision:
https://reviews.llvm.org/D33040

llvm-svn: 306301

clang/test/CodeGen/ms-inline-asm.c

@@ -627,6 +627,12 @@ void t43() {
 // CHECK: call void asm sideeffect inteldialect "mov eax, $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
 }
 
+void dot_operator(){
+// CHECK-LABEL: define void @dot_operator
+	__asm { mov eax, 3[ebx]A.b}
+// CHECK: call void asm sideeffect inteldialect "mov eax, $$3[ebx].4", "~{eax},~{dirflag},~{fpsr},~{flags}"
+}
+
 void call_clobber() {
   __asm call t41
   // CHECK-LABEL: define void @call_clobber