Add llvm-profdata substitution to offload tests

Author: EthanLuisMcDonough

offload/test/lit.cfg

@@ -112,8 +112,10 @@ config.available_features.add(config.libomptarget_current_target)
 if config.libomptarget_has_libc:
   config.available_features.add('libc')
 
+profdata_path = os.path.join(config.bin_llvm_tools_dir, "llvm-profdata")
 if config.libomptarget_test_pgo:
   config.available_features.add('pgo')
+  config.substitutions.append(("%profdata", profdata_path))
 
 # Determine whether the test system supports unified memory.
 # For CUDA, this is the case with compute capability 70 (Volta) or higher.

offload/test/lit.site.cfg.in

@@ -1,6 +1,6 @@
 @AUTO_GEN_COMMENT@
 
-config.bin_llvm_tools_dir = "@CMAKE_BINARY_DIR@/bin"
+config.bin_llvm_tools_dir = "@LLVM_RUNTIME_OUTPUT_INTDIR@"
 config.test_c_compiler = "@OPENMP_TEST_C_COMPILER@"
 config.test_cxx_compiler = "@OPENMP_TEST_CXX_COMPILER@"
 config.test_fortran_compiler="@OPENMP_TEST_Fortran_COMPILER@"

offload/test/offloading/pgo1.c

@@ -1,14 +1,14 @@
 // RUN: %libomptarget-compile-generic -fprofile-generate \
 // RUN:     -Xclang "-fprofile-instrument=llvm"
 // RUN: env LLVM_PROFILE_FILE=llvm.profraw %libomptarget-run-generic 2>&1
-// RUN: llvm-profdata show --all-functions --counts \
+// RUN: %profdata show --all-functions --counts \
 // RUN:     %target_triple.llvm.profraw | %fcheck-generic \
 // RUN:     --check-prefix="LLVM-PGO"
 
 // RUN: %libomptarget-compile-generic -fprofile-instr-generate \
 // RUN:     -Xclang "-fprofile-instrument=clang"
 // RUN: env LLVM_PROFILE_FILE=clang.profraw %libomptarget-run-generic 2>&1
-// RUN: llvm-profdata show --all-functions --counts \
+// RUN: %profdata show --all-functions --counts \
 // RUN:     %target_triple.clang.profraw | %fcheck-generic \
 // RUN:     --check-prefix="CLANG-PGO"