From 30f85bb0794fa7ea3ebff27ac445569dae421e18 Mon Sep 17 00:00:00 2001 From: Ruiling Song Date: Wed, 16 Oct 2013 15:38:06 +0800 Subject: [PATCH] GBE: Inline all function calls. use an extra large value for llvm flag -inline-threshold to inline all functions. Signed-off-by: Ruiling Song Reviewed-by: "Yang, Rong R" --- backend/src/backend/program.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/backend/src/backend/program.cpp b/backend/src/backend/program.cpp index 222dfe9..b2879a4 100644 --- a/backend/src/backend/program.cpp +++ b/backend/src/backend/program.cpp @@ -473,6 +473,8 @@ namespace gbe { useless.push_back(str); args.push_back(str.c_str()); } + args.push_back("-mllvm"); + args.push_back("-inline-threshold=200000"); #ifdef GEN7_SAMPLER_CLAMP_BORDER_WORKAROUND args.push_back("-DGEN7_SAMPLER_CLAMP_BORDER_WORKAROUND"); #endif @@ -537,6 +539,18 @@ namespace gbe { clang::LangOptions & lang_opts = Clang.getLangOpts(); lang_opts.OpenCL = 1; + //llvm flags need command line parsing to take effect + if (!Clang.getFrontendOpts().LLVMArgs.empty()) { + unsigned NumArgs = Clang.getFrontendOpts().LLVMArgs.size(); + const char **Args = new const char*[NumArgs + 2]; + Args[0] = "clang (LLVM option parsing)"; + for (unsigned i = 0; i != NumArgs; ++i){ + Args[i + 1] = Clang.getFrontendOpts().LLVMArgs[i].c_str(); + } + Args[NumArgs + 1] = 0; + llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args); + } + // Create an action and make the compiler instance carry it out llvm::OwningPtr Act(new clang::EmitLLVMOnlyAction()); if (!Clang.ExecuteAction(*Act)) -- 2.7.4