[clang] Propagate -ftime-report to offload lto (#122143)

Author: macurtis-amd

clang/lib/Driver/ToolChains/Clang.cpp

@@ -9282,6 +9282,10 @@ void LinkerWrapper::ConstructJob(Compilation &C, const JobAction &JA,
   if (const Arg *A = Args.getLastArg(options::OPT_Rpass_analysis_EQ))
     CmdArgs.push_back(Args.MakeArgString(
         Twine("--offload-opt=-pass-remarks-analysis=") + A->getValue()));
+
+  if (Args.getLastArg(options::OPT_ftime_report))
+    CmdArgs.push_back("--device-compiler=-ftime-report");
+
   if (Args.getLastArg(options::OPT_save_temps_EQ))
     CmdArgs.push_back("--save-temps");
 

clang/lib/Driver/ToolChains/CommonArgs.cpp

@@ -1209,6 +1209,10 @@ void tools::addLTOOptions(const ToolChain &ToolChain, const ArgList &Args,
   if (ImplicitMapSyms)
     CmdArgs.push_back(
         Args.MakeArgString(Twine(PluginOptPrefix) + "-implicit-mapsyms"));
+
+  if (Args.hasArg(options::OPT_ftime_report))
+    CmdArgs.push_back(
+        Args.MakeArgString(Twine(PluginOptPrefix) + "-time-passes"));
 }
 
 void tools::addOpenMPRuntimeLibraryPath(const ToolChain &TC,

clang/test/Driver/amdgpu-openmp-toolchain.c

@@ -81,3 +81,7 @@
 // RUN:   %clang -### --target=x86_64-unknown-linux-gnu -emit-llvm -S -fopenmp --offload-arch=gfx803 \
 // RUN:     -stdlib=libc++ -nogpulib %s 2>&1 | FileCheck %s --check-prefix=LIBCXX
 // LIBCXX-NOT: include/amdgcn-amd-amdhsa/c++/v1
+
+// RUN: %clang -### -target x86_64-pc-linux-gnu -nogpulib  -fopenmp --offload-arch=gfx90a \
+// RUN:   -ftime-report %s 2>&1 | FileCheck %s --check-prefix=CHECK-TIME-REPORT
+// CHECK-TIME-REPORT: clang-linker-wrapper{{.*}}"--device-compiler=-ftime-report"

clang/test/Driver/lto.c

@@ -114,3 +114,9 @@
 //
 // CHECK-GISEL:         "-plugin-opt=-global-isel=1"
 // CHECK-DISABLE-GISEL: "-plugin-opt=-global-isel=0"
+
+// -flto passes -time-passes when -ftime-report is passed
+// RUN: %clang --target=x86_64-unknown-linux-gnu -### %s -flto -ftime-report 2> %t
+// RUN: FileCheck --check-prefix=CHECK-TIME-REPORT < %t %s
+
+// CHECK-TIME-REPORT: "-plugin-opt=-time-passes"