add framework for ARM builtins, Patch by Edmund Grimley Evans!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97656 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 0f5e90f..df6ac7f 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -735,6 +735,9 @@
Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID,
const CallExpr *E) {
switch (Target.getTriple().getArch()) {
+ case llvm::Triple::arm:
+ case llvm::Triple::thumb:
+ return EmitARMBuiltinExpr(BuiltinID, E);
case llvm::Triple::x86:
case llvm::Triple::x86_64:
return EmitX86BuiltinExpr(BuiltinID, E);
@@ -746,6 +749,18 @@
}
}
+Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
+ const CallExpr *E) {
+ 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);
+ }
+ }
+}
+
Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
const CallExpr *E) {