From c22abb38204cfaa59cfce328d87af5b4fb0ba95e Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Tue, 10 Jan 2017 18:55:11 +0000 Subject: [ARM] Use generic bitreverse intrinsic, rather than ARM specific rbit. The backend already supports lowering this intrinsic to a rbit instruction. llvm-svn: 291582 --- clang/lib/CodeGen/CGBuiltin.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'clang/lib/CodeGen') diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index f297d622c33..2ede1d46b3d 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -4318,9 +4318,9 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, } if (BuiltinID == ARM::BI__builtin_arm_rbit) { - return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_rbit), - EmitScalarExpr(E->getArg(0)), - "rbit"); + llvm::Value *Arg = EmitScalarExpr(E->getArg(0)); + return Builder.CreateCall( + CGM.getIntrinsic(Intrinsic::bitreverse, Arg->getType()), Arg, "rbit"); } if (BuiltinID == ARM::BI__clear_cache) { -- cgit v1.2.3