From 79ba509b0106fd0a1ff832baeb1fdb5430527efe Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 7 Jun 2010 17:26:50 +0000
Subject: [PATCH] Implement __clear_cache on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105537 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/clang/Basic/BuiltinsARM.def | 3 +++
lib/CodeGen/CGBuiltin.cpp | 13 +++++++++----
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/clang/Basic/BuiltinsARM.def b/include/clang/Basic/BuiltinsARM.def
index ea50f6ce53c..4a8b9ac965d 100644
--- a/include/clang/Basic/BuiltinsARM.def
+++ b/include/clang/Basic/BuiltinsARM.def
@@ -14,6 +14,9 @@
// The format of this database matches clang/Basic/Builtins.def.
+// In libgcc
+BUILTIN(__clear_cache, "vc*c*", "")
+
// FIXME: This is just a placeholder. NEON intrinsics should be listed here.
BUILTIN(__builtin_thread_pointer, "v*", "")
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index ae61c046d93..409829687a0 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -923,10 +923,15 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
switch (BuiltinID) {
default: return 0;
-
- case ARM::BI__builtin_thread_pointer: {
- Value *AtomF = CGM.getIntrinsic(Intrinsic::arm_thread_pointer, 0, 0);
- return Builder.CreateCall(AtomF);
+ case ARM::BI__clear_cache: {
+ const FunctionDecl *FD = E->getDirectCallee();
+ Value *a = EmitScalarExpr(E->getArg(0));
+ Value *b = EmitScalarExpr(E->getArg(1));
+ const llvm::Type *Ty = CGM.getTypes().ConvertType(FD->getType());
+ const llvm::FunctionType *FTy = cast<llvm::FunctionType>(Ty);
+ llvm::StringRef Name = FD->getName();
+ return Builder.CreateCall2(CGM.CreateRuntimeFunction(FTy, Name),
+ a, b);
}
// FIXME: bitcast args, return.
case ARM::BI__builtin_neon_vaba_v:
--
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