Added skeleton for inline asm multiple alternative constraint support.

llvm-svn: 113766

1 files changed, 5 insertions, 21 deletions

diff --git a/llvm/lib/Transforms/Utils/AddrModeMatcher.cpp b/llvm/lib/Transforms/Utils/AddrModeMatcher.cpp
index 4d64c8578ef..b803521e871 100644
--- a/llvm/lib/Transforms/Utils/AddrModeMatcher.cpp
+++ b/llvm/lib/Transforms/Utils/AddrModeMatcher.cpp
@@ -21,6 +21,7 @@
 #include "llvm/Support/GetElementPtrTypeIterator.h"
 #include "llvm/Support/PatternMatch.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/CallSite.h"
 
 using namespace llvm;
 using namespace llvm::PatternMatch;
@@ -379,27 +380,10 @@ bool AddressingModeMatcher::MatchAddr(Value *Addr, unsigned Depth) {
 /// return false.
 static bool IsOperandAMemoryOperand(CallInst *CI, InlineAsm *IA, Value *OpVal,
                                     const TargetLowering &TLI) {
-  std::vector<InlineAsm::ConstraintInfo>
-  Constraints = IA->ParseConstraints();
-
-  unsigned ArgNo = 0;   // The argument of the CallInst.
-  for (unsigned i = 0, e = Constraints.size(); i != e; ++i) {
-    TargetLowering::AsmOperandInfo OpInfo(Constraints[i]);
-
-    // Compute the value type for each operand.
-    switch (OpInfo.Type) {
-      case InlineAsm::isOutput:
-        if (OpInfo.isIndirect)
-          OpInfo.CallOperandVal = CI->getArgOperand(ArgNo++);
-        break;
-      case InlineAsm::isInput:
-        OpInfo.CallOperandVal = CI->getArgOperand(ArgNo++);
-        break;
-      case InlineAsm::isClobber:
-        // Nothing to do.
-        break;
-    }
-
+  std::vector<TargetLowering::AsmOperandInfo> TargetConstraints = TLI.ParseConstraints(ImmutableCallSite(CI));
+  for (unsigned i = 0, e = TargetConstraints.size(); i != e; ++i) {
+    TargetLowering::AsmOperandInfo &OpInfo = TargetConstraints[i];
+    
     // Compute the constraint code and ConstraintType to use.
     TLI.ComputeConstraintToUse(OpInfo, SDValue());