When an MMX output variable is tied to the input variable, we have to implicitly
cast the value to x86_mmx. This gives the ASM string the correct call signature.
<rdar://problem/10919182>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153290 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index e65c5f4..670167b 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -1507,6 +1507,11 @@
llvm::Value *Arg = EmitAsmInputLValue(S, Info, Dest, InputExpr->getType(),
InOutConstraints);
+ if (llvm::Type* AdjTy =
+ getTargetHooks().adjustInlineAsmType(*this, OutputConstraint,
+ Arg->getType()))
+ Arg = Builder.CreateBitCast(Arg, AdjTy);
+
if (Info.allowsRegister())
InOutConstraints += llvm::utostr(i);
else
@@ -1565,7 +1570,7 @@
}
}
}
- if (llvm::Type* AdjTy =
+ if (llvm::Type* AdjTy =
getTargetHooks().adjustInlineAsmType(*this, InputConstraint,
Arg->getType()))
Arg = Builder.CreateBitCast(Arg, AdjTy);