From 4dff875259d315005e2bb90a11a5472108c9a3e3 Mon Sep 17 00:00:00 2001 From: Xinliang David Li Date: Mon, 23 Nov 2015 17:30:31 +0000 Subject: Disable frame pointer elimination when using -pg (Re-apply patch after bug fixing) This diff makes sure that the driver does not pass -fomit-frame-pointer or -momit-leaf-frame-pointer to the frontend when -pg is used. Currently, clang gives an error if -fomit-frame-pointer is used in combination with -pg, but -momit-leaf-frame-pointer was forgotten. Also, disable frame pointer elimination in the frontend when -pg is set. Patch by Stefan Kempf. llvm-svn: 253886 --- clang/lib/Driver/Tools.cpp | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'clang/lib/Driver/Tools.cpp') diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 413967ef92e..3bd2ffb0deb 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2794,6 +2794,8 @@ static bool shouldUseFramePointer(const ArgList &Args, if (Arg *A = Args.getLastArg(options::OPT_fno_omit_frame_pointer, options::OPT_fomit_frame_pointer)) return A->getOption().matches(options::OPT_fno_omit_frame_pointer); + if (Args.hasArg(options::OPT_pg)) + return true; return shouldUseFramePointerForTarget(Args, Triple); } @@ -2803,6 +2805,8 @@ static bool shouldUseLeafFramePointer(const ArgList &Args, if (Arg *A = Args.getLastArg(options::OPT_mno_omit_leaf_frame_pointer, options::OPT_momit_leaf_frame_pointer)) return A->getOption().matches(options::OPT_mno_omit_leaf_frame_pointer); + if (Args.hasArg(options::OPT_pg)) + return true; if (Triple.isPS4CPU()) return false; -- cgit v1.2.3