OutputArg: added an index of the original argument to match the change to

InputArg in r165616.

This will enable us to get the actual type for both InputArg and OutputArg.

rdar://9932559


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167265 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 2 deletions

diff --git a/include/llvm/Target/TargetCallingConv.h b/include/llvm/Target/TargetCallingConv.h
index 8030d38d73..2160e371bd 100644
--- a/include/llvm/Target/TargetCallingConv.h
+++ b/include/llvm/Target/TargetCallingConv.h
@@ -140,9 +140,19 @@ namespace ISD {
     /// IsFixed - Is this a "fixed" value, ie not passed through a vararg "...".
     bool IsFixed;
 
+    /// Index original Function's argument.
+    unsigned OrigArgIndex;
+
+    /// Offset in bytes of current output value relative to the beginning of
+    /// original argument. E.g. if argument was splitted into four 32 bit
+    /// registers, we got 4 OutputArgs with PartOffsets 0, 4, 8 and 12.
+    unsigned PartOffset;
+
     OutputArg() : IsFixed(false) {}
-    OutputArg(ArgFlagsTy flags, EVT vt, bool isfixed)
-      : Flags(flags), IsFixed(isfixed) {
+    OutputArg(ArgFlagsTy flags, EVT vt, bool isfixed,
+              unsigned origIdx, unsigned partOffs)
+      : Flags(flags), IsFixed(isfixed), OrigArgIndex(origIdx),
+        PartOffset(partOffs) {
       VT = vt.getSimpleVT();
     }
   };