Revert "[HIP] Add option --gpu-instrument-lib="

This reverts commit 64f7790 due
to regression in hip-device-libs.hip.

Author: yxsamliu

clang/include/clang/Driver/Options.td

@@ -672,9 +672,6 @@ defm gpu_allow_device_init : OptInFFlag<"gpu-allow-device-init",
 def gpu_max_threads_per_block_EQ : Joined<["--"], "gpu-max-threads-per-block=">,
   Flags<[CC1Option]>,
   HelpText<"Default max threads per block for kernel launch bounds for HIP">;
-def gpu_instrument_lib_EQ : Joined<["--"], "gpu-instrument-lib=">,
-  HelpText<"Instrument device library for HIP, which is a LLVM bitcode containing "
-  "__cyg_profile_func_enter and __cyg_profile_func_exit">;
 def libomptarget_nvptx_path_EQ : Joined<["--"], "libomptarget-nvptx-path=">, Group<i_Group>,
   HelpText<"Path to libomptarget-nvptx libraries">;
 def dD : Flag<["-"], "dD">, Group<d_Group>, Flags<[CC1Option]>,

clang/lib/Driver/ToolChains/HIP.cpp

@@ -330,17 +330,6 @@ void HIPToolChain::addClangTargetOptions(
     RocmInstallation.addCommonBitcodeLibCC1Args(
       DriverArgs, CC1Args, LibDeviceFile, Wave64, DAZ, FiniteOnly,
       UnsafeMathOpt, FastRelaxedMath, CorrectSqrt);
-
-    // Add instrument lib.
-    auto InstLib =
-        DriverArgs.getLastArgValue(options::OPT_gpu_instrument_lib_EQ);
-    if (InstLib.empty())
-      return;
-    if (llvm::sys::fs::exists(InstLib)) {
-      CC1Args.push_back("-mlink-builtin-bitcode");
-      CC1Args.push_back(DriverArgs.MakeArgString(InstLib));
-    } else
-      getDriver().Diag(diag::err_drv_no_such_file) << InstLib;
   }
 }
 

clang/test/Driver/Inputs/hip_multiple_inputs/instrument.bc

@@ -105,15 +105,6 @@
 // RUN:   %S/Inputs/hip_multiple_inputs/b.hip \
 // RUN: 2>&1 | FileCheck %s --check-prefixes=ALL
 
-// Test --gpu-instrument-lib
-// RUN: %clang -### -target x86_64-linux-gnu \
-// RUN:   --cuda-gpu-arch=gfx900 \
-// RUN:   --rocm-path=%S/Inputs/rocm \
-// RUN:   --gpu-instrument-lib=%S/Inputs/hip_multiple_inputs/instrument.bc \
-// RUN:   %S/Inputs/hip_multiple_inputs/b.hip \
-// RUN: 2>&1 | FileCheck %s --check-prefixes=ALL,INST
-
-// ALL-NOT: error:
 // ALL: {{"[^"]*clang[^"]*"}}
 // ALL-SAME: "-mlink-builtin-bitcode" "{{.*}}hip.bc"
 // ALL-SAME: "-mlink-builtin-bitcode" "{{.*}}ocml.bc"
@@ -127,4 +118,3 @@
 // ALL-SAME: "-mlink-builtin-bitcode" "{{.*}}oclc_correctly_rounded_sqrt_on.bc"
 // ALL-SAME: "-mlink-builtin-bitcode" "{{.*}}oclc_wavefrontsize64_on.bc"
 // ALL-SAME: "-mlink-builtin-bitcode" "{{.*}}oclc_isa_version_{{[0-9]+}}.bc"
-// INST-SAME: "-mlink-builtin-bitcode" "{{.*}}instrument.bc"