IRgen/ABI: Add support for realigning structures which are passed by indirect

reference.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114114 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 6 deletions

diff --git a/lib/CodeGen/ABIInfo.h b/lib/CodeGen/ABIInfo.h
index 91b7742557..c90c84a352 100644
--- a/lib/CodeGen/ABIInfo.h
+++ b/lib/CodeGen/ABIInfo.h
@@ -70,11 +70,12 @@ namespace clang {
     Kind TheKind;
     llvm::PATypeHolder TypeData;
     unsigned UIntData;
-    bool BoolData;
+    bool BoolData0;
+    bool BoolData1;
 
     ABIArgInfo(Kind K, const llvm::Type *TD=0,
-               unsigned UI=0, bool B = false) 
-      : TheKind(K), TypeData(TD), UIntData(UI), BoolData(B) {}
+               unsigned UI=0, bool B0 = false, bool B1 = false) 
+      : TheKind(K), TypeData(TD), UIntData(UI), BoolData0(B0), BoolData1(B1) {}
 
   public:
     ABIArgInfo() : TheKind(Direct), TypeData(0), UIntData(0) {}
@@ -88,8 +89,9 @@ namespace clang {
     static ABIArgInfo getIgnore() {
       return ABIArgInfo(Ignore);
     }
-    static ABIArgInfo getIndirect(unsigned Alignment, bool ByVal = true) {
-      return ABIArgInfo(Indirect, 0, Alignment, ByVal);
+    static ABIArgInfo getIndirect(unsigned Alignment, bool ByVal = true
+                                  , bool Realign = false) {
+      return ABIArgInfo(Indirect, 0, Alignment, ByVal, Realign);
     }
     static ABIArgInfo getExpand() {
       return ABIArgInfo(Expand);
@@ -129,7 +131,12 @@ namespace clang {
 
     bool getIndirectByVal() const {
       assert(TheKind == Indirect && "Invalid kind!");
-      return BoolData;
+      return BoolData0;
+    }
+
+    bool getIndirectRealign() const {
+      assert(TheKind == Indirect && "Invalid kind!");
+      return BoolData1;
     }
     
     void dump() const;