diff --git a/src/test/run-make-fulldeps/pgo-branch-weights/Makefile b/src/test/run-make-fulldeps/pgo-branch-weights/Makefile index edb4006313a86..c13297b3a6141 100644 --- a/src/test/run-make-fulldeps/pgo-branch-weights/Makefile +++ b/src/test/run-make-fulldeps/pgo-branch-weights/Makefile @@ -15,21 +15,29 @@ ifdef IS_MSVC COMMON_FLAGS=-Cpanic=abort endif +# For some very small programs GNU ld seems to not properly handle +# instrumentation sections correctly. Neither Gold nor LLD have that problem. +ifeq ($(UNAME),Linux) +ifneq (,$(findstring x86,$(TARGET))) +COMMON_FLAGS=-Clink-args=-fuse-ld=gold +endif +endif + + all: # We don't compile `opaque` with either optimizations or instrumentation. - # We don't compile `opaque` with either optimizations or instrumentation. - $(RUSTC) $(COMMON_FLAGS) opaque.rs + $(RUSTC) $(COMMON_FLAGS) opaque.rs || exit 1 # Compile the test program with instrumentation - mkdir -p "$(TMPDIR)"/prof_data_dir + mkdir -p "$(TMPDIR)/prof_data_dir" || exit 1 $(RUSTC) $(COMMON_FLAGS) interesting.rs \ - -Cprofile-generate="$(TMPDIR)"/prof_data_dir -O -Ccodegen-units=1 - $(RUSTC) $(COMMON_FLAGS) main.rs -Cprofile-generate="$(TMPDIR)"/prof_data_dir -O + -Cprofile-generate="$(TMPDIR)/prof_data_dir" -O -Ccodegen-units=1 || exit 1 + $(RUSTC) $(COMMON_FLAGS) main.rs -Cprofile-generate="$(TMPDIR)/prof_data_dir" -O || exit 1 # The argument below generates to the expected branch weights $(call RUN,main aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc) || exit 1 - "$(LLVM_BIN_DIR)"/llvm-profdata merge \ - -o "$(TMPDIR)"/prof_data_dir/merged.profdata \ - "$(TMPDIR)"/prof_data_dir + "$(LLVM_BIN_DIR)/llvm-profdata" merge \ + -o "$(TMPDIR)/prof_data_dir/merged.profdata" \ + "$(TMPDIR)/prof_data_dir" || exit 1 $(RUSTC) $(COMMON_FLAGS) interesting.rs \ - -Cprofile-use="$(TMPDIR)"/prof_data_dir/merged.profdata -O \ - -Ccodegen-units=1 --emit=llvm-ir - cat "$(TMPDIR)"/interesting.ll | "$(LLVM_FILECHECK)" filecheck-patterns.txt + -Cprofile-use="$(TMPDIR)/prof_data_dir/merged.profdata" -O \ + -Ccodegen-units=1 --emit=llvm-ir || exit 1 + cat "$(TMPDIR)/interesting.ll" | "$(LLVM_FILECHECK)" filecheck-patterns.txt