Generate bitcasts going in and out of MMX parameters
in asm's. PR 8501, 8602988.
I don't like including Type.h where it is; the idea was
to get references to X86_MMXTy out of the common code.
Maybe there's a better way?
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117736 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 4de505a..282541b 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -1046,6 +1046,10 @@
ResultRegTypes.back() = ConvertType(InputTy);
}
}
+ if (const llvm::Type* AdjTy =
+ Target.adjustInlineAsmType(OutputConstraint, ResultRegTypes.back(),
+ VMContext))
+ ResultRegTypes.back() = AdjTy;
} else {
ArgTypes.push_back(Dest.getAddress()->getType());
Args.push_back(Dest.getAddress());
@@ -1109,7 +1113,10 @@
Arg = Builder.CreateFPExt(Arg, OutputTy);
}
}
-
+ if (const llvm::Type* AdjTy =
+ Target.adjustInlineAsmType(InputConstraint, Arg->getType(),
+ VMContext))
+ Arg = Builder.CreateBitCast(Arg, AdjTy);
ArgTypes.push_back(Arg->getType());
Args.push_back(Arg);
@@ -1204,6 +1211,8 @@
Tmp = Builder.CreateTrunc(Tmp, TruncTy);
} else if (TruncTy->isIntegerTy()) {
Tmp = Builder.CreateTrunc(Tmp, TruncTy);
+ } else if (TruncTy->isVectorTy()) {
+ Tmp = Builder.CreateBitCast(Tmp, TruncTy);
}
}