[ms-inline asm] Split the parsing of IR asm strings into GCC and MS variants.

Add support in the EmitMSInlineAsmStr() function for handling integer consts.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163645 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/X86/ms-inline-asm.ll

@@ -12,3 +12,15 @@ entry:
 ; CHECK: .att_syntax
 ; CHECK: {{## InlineAsm End|#NO_APP}}
 }
+
+define void @t2() nounwind {
+entry:
+  call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
+  ret void
+; CHECK: t2
+; CHECK: {{## InlineAsm Start|#APP}}
+; CHECK: .intel_syntax
+; CHECK: mov eax, 1
+; CHECK: .att_syntax
+; CHECK: {{## InlineAsm End|#NO_APP}}
+}