Add an "msasm" flag to inline asm as suggested in PR 5125.

A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84020 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 11 insertions, 6 deletions

diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 3e628ae..b5ae81b 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -1206,6 +1206,8 @@ static void WriteAsOperandInternal(raw_ostream &Out, const Value *V,
     Out << "asm ";
     if (IA->hasSideEffects())
       Out << "sideeffect ";
+    if (IA->isMsAsm())
+      Out << "msasm ";
     Out << '"';
     PrintEscapedString(IA->getAsmString(), Out);
     Out << "\", \"";
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index 47a8e1b..bff3087 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -884,9 +884,10 @@ LLVMValueRef LLVMConstInsertValue(LLVMValueRef AggConstant,
 }
 
 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty, const char *AsmString, 
-                                const char *Constraints, int HasSideEffects) {
+                                const char *Constraints, int HasSideEffects,
+                                int IsMsAsm) {
   return wrap(InlineAsm::get(dyn_cast<FunctionType>(unwrap(Ty)), AsmString, 
-                             Constraints, HasSideEffects));
+                             Constraints, HasSideEffects, IsMsAsm));
 }
 
 /*--.. Operations on global variables, functions, and aliases (globals) ....--*/
diff --git a/lib/VMCore/InlineAsm.cpp b/lib/VMCore/InlineAsm.cpp
index fbd6b90..0520dfa 100644
--- a/lib/VMCore/InlineAsm.cpp
+++ b/lib/VMCore/InlineAsm.cpp
@@ -27,17 +27,19 @@ InlineAsm::~InlineAsm() {
 // case when the type gets refined.
 
 InlineAsm *InlineAsm::get(const FunctionType *Ty, const StringRef &AsmString,
-                          const StringRef &Constraints, bool hasSideEffects) {
+                          const StringRef &Constraints, bool hasSideEffects,
+                          bool isMsAsm) {
   // FIXME: memoize!
-  return new InlineAsm(Ty, AsmString, Constraints, hasSideEffects);  
+  return new InlineAsm(Ty, AsmString, Constraints, hasSideEffects, isMsAsm);  
 }
 
 InlineAsm::InlineAsm(const FunctionType *Ty, const StringRef &asmString,
-                     const StringRef &constraints, bool hasSideEffects)
+                     const StringRef &constraints, bool hasSideEffects,
+                     bool isMsAsm)
   : Value(PointerType::getUnqual(Ty), 
           Value::InlineAsmVal), 
     AsmString(asmString), 
-    Constraints(constraints), HasSideEffects(hasSideEffects) {
+    Constraints(constraints), HasSideEffects(hasSideEffects), IsMsAsm(isMsAsm) {
 
   // Do various checks on the constraint string and type.
   assert(Verify(Ty, constraints) && "Function type not legal for constraints!");