From 9b3323d39f635db870de958f067c672f54d7b192 Mon Sep 17 00:00:00 2001 From: Paul Robinson Date: Mon, 17 Jul 2023 10:30:44 -0700 Subject: [PATCH] Revert "[PS4/PS5] Tidy up driver warnings finding the SDK" This reverts commit ba9a7f73a12e75b005bfec359ddc37999b1d38c0. Bot failures due to enabling the warning by default. e.g. https://lab.llvm.org/buildbot/#/builders/139/builds/45263 --- clang/include/clang/Basic/DiagnosticDriverKinds.td | 8 +++-- clang/lib/Driver/ToolChains/PS4CPU.cpp | 35 +++++++++++++--------- clang/test/Driver/frame-pointer-elim.c | 6 ++-- .../Driver/ps4-ps5-visibility-dllstorageclass.c | 2 +- 4 files changed, 31 insertions(+), 20 deletions(-) diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.td b/clang/include/clang/Basic/DiagnosticDriverKinds.td index c84aa94..d102628 100644 --- a/clang/include/clang/Basic/DiagnosticDriverKinds.td +++ b/clang/include/clang/Basic/DiagnosticDriverKinds.td @@ -575,13 +575,17 @@ def err_drv_unsupported_fpatchable_function_entry_argument : Error< "the second argument of '-fpatchable-function-entry' must be smaller than the first argument">; def warn_drv_unable_to_find_directory_expected : Warning< - "unable to find %0 directory, expected to be in '%1' found via %2">, - InGroup; + "unable to find %0 directory, expected to be in '%1'">, + InGroup, DefaultIgnore; def warn_drv_ps_force_pic : Warning< "option '%0' was ignored by the %1 toolchain, using '-fPIC'">, InGroup; +def warn_drv_ps_sdk_dir : Warning< + "environment variable '%0' is set, but points to invalid or nonexistent directory '%1'">, + InGroup; + def err_drv_defsym_invalid_format : Error<"defsym must be of the form: sym=value: %0">; def err_drv_defsym_invalid_symval : Error<"value is not an integer: %0">; def warn_drv_msvc_not_found : Warning< diff --git a/clang/lib/Driver/ToolChains/PS4CPU.cpp b/clang/lib/Driver/ToolChains/PS4CPU.cpp index 2f43d33..37006dc 100644 --- a/clang/lib/Driver/ToolChains/PS4CPU.cpp +++ b/clang/lib/Driver/ToolChains/PS4CPU.cpp @@ -256,23 +256,30 @@ toolchains::PS4PS5Base::PS4PS5Base(const Driver &D, const llvm::Triple &Triple, D.Diag(clang::diag::err_drv_unsupported_opt_for_target) << "-static" << Platform; - // Determine where to find the PS4/PS5 libraries. + // Determine where to find the PS4/PS5 libraries. We use the EnvVar + // if it exists; otherwise use the driver's installation path, which + // should be /host_tools/bin. + + SmallString<512> SDKDir; + if (const char *EnvValue = getenv(EnvVar)) { + if (!llvm::sys::fs::exists(EnvValue)) + D.Diag(clang::diag::warn_drv_ps_sdk_dir) << EnvVar << EnvValue; + SDKDir = EnvValue; + } else { + SDKDir = D.Dir; + llvm::sys::path::append(SDKDir, "/../../"); + } + + // By default, the driver won't report a warning if it can't find the + // SDK include or lib directories. This behavior could be changed if + // -Weverything or -Winvalid-or-nonexistent-directory options are passed. // If -isysroot was passed, use that as the SDK base path. - // If not, we use the EnvVar if it exists; otherwise use the driver's - // installation path, which should be /host_tools/bin. - SmallString<80> Whence; if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) { SDKRootDir = A->getValue(); if (!llvm::sys::fs::exists(SDKRootDir)) D.Diag(clang::diag::warn_missing_sysroot) << SDKRootDir; - Whence = A->getSpelling(); - } else if (const char *EnvValue = getenv(EnvVar)) { - SDKRootDir = EnvValue; - Whence = { "environment variable '", EnvVar, "'" }; - } else { - SDKRootDir = D.Dir + "/../../"; - Whence = "compiler's location"; - } + } else + SDKRootDir = std::string(SDKDir.str()); SmallString<512> SDKIncludeDir(SDKRootDir); llvm::sys::path::append(SDKIncludeDir, "target/include"); @@ -282,7 +289,7 @@ toolchains::PS4PS5Base::PS4PS5Base(const Driver &D, const llvm::Triple &Triple, !Args.hasArg(options::OPT__sysroot_EQ) && !llvm::sys::fs::exists(SDKIncludeDir)) { D.Diag(clang::diag::warn_drv_unable_to_find_directory_expected) - << Twine(Platform, " system headers").str() << SDKIncludeDir << Whence; + << Twine(Platform, " system headers").str() << SDKIncludeDir; } SmallString<512> SDKLibDir(SDKRootDir); @@ -294,7 +301,7 @@ toolchains::PS4PS5Base::PS4PS5Base(const Driver &D, const llvm::Triple &Triple, !Args.hasArg(options::OPT_emit_ast) && !llvm::sys::fs::exists(SDKLibDir)) { D.Diag(clang::diag::warn_drv_unable_to_find_directory_expected) - << Twine(Platform, " system libraries").str() << SDKLibDir << Whence; + << Twine(Platform, " system libraries").str() << SDKLibDir; return; } getFilePaths().push_back(std::string(SDKLibDir.str())); diff --git a/clang/test/Driver/frame-pointer-elim.c b/clang/test/Driver/frame-pointer-elim.c index a4abe0d..71aca66 100644 --- a/clang/test/Driver/frame-pointer-elim.c +++ b/clang/test/Driver/frame-pointer-elim.c @@ -1,8 +1,8 @@ -// KEEP-ALL-NOT: warning: argument unused +// KEEP-ALL-NOT: warning: // KEEP-ALL: "-mframe-pointer=all" -// KEEP-NON-LEAF-NOT: warning: argument unused +// KEEP-NON-LEAF-NOT: warning: // KEEP-NON-LEAF: "-mframe-pointer=non-leaf" -// KEEP-NONE-NOT: warning: argument unused +// KEEP-NONE-NOT: warning: // KEEP-NONE: "-mframe-pointer=none" // On Linux x86, omit frame pointer when optimization is enabled. diff --git a/clang/test/Driver/ps4-ps5-visibility-dllstorageclass.c b/clang/test/Driver/ps4-ps5-visibility-dllstorageclass.c index 4308278..1a54990 100644 --- a/clang/test/Driver/ps4-ps5-visibility-dllstorageclass.c +++ b/clang/test/Driver/ps4-ps5-visibility-dllstorageclass.c @@ -52,7 +52,7 @@ // REDEFINE: --implicit-check-not=-fvisibility-nodllstorageclass \ // REDEFINE: --implicit-check-not=-fvisibility-externs-dllimport \ // REDEFINE: --implicit-check-not=-fvisibility-externs-nodllstorageclass \ -// REDEFINE: --implicit-check-not="warning: argument unused" +// REDEFINE: --implicit-check-not=warning: // REDEFINE: %{triple} = x86_64-scei-ps4 // RUN: %{run} // REDEFINE: %{triple} = x86_64-sie-ps5 -- 2.7.4