4 # ignore windows due to libLLVM being present in PATH and the PATH and library path being the same
5 # (so fixing it is harder). See #57765 for context
8 # This test makes sure that the object files we generate are actually
9 # LLVM bitcode files (as used by linker LTO plugins) when compiling with
10 # -Clinker-plugin-lto.
12 # this only succeeds for bitcode files
13 ASSERT_IS_BITCODE_OBJ=("$(LLVM_BIN_DIR)"/llvm-bcanalyzer $(1))
14 EXTRACT_OBJS=(cd $(TMPDIR); rm -f ./*.o; "$(LLVM_BIN_DIR)"/llvm-ar x $(1))
16 BUILD_LIB=$(RUSTC) lib.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1
17 BUILD_EXE=$(RUSTC) main.rs -Copt-level=2 -Clinker-plugin-lto -Ccodegen-units=1 --emit=obj
19 all: staticlib staticlib-fat-lto staticlib-thin-lto rlib exe cdylib rdylib
22 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib.a
23 $(call EXTRACT_OBJS, liblib.a)
24 for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
26 staticlib-fat-lto: lib.rs
27 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-fat-lto.a -Clto=fat
28 $(call EXTRACT_OBJS, liblib-fat-lto.a)
29 for file in $(TMPDIR)/liblib-fat-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
31 staticlib-thin-lto: lib.rs
32 $(BUILD_LIB) --crate-type=staticlib -o $(TMPDIR)/liblib-thin-lto.a -Clto=thin
33 $(call EXTRACT_OBJS, liblib-thin-lto.a)
34 for file in $(TMPDIR)/liblib-thin-lto.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
37 $(BUILD_LIB) --crate-type=rlib -o $(TMPDIR)/liblib.rlib
38 $(call EXTRACT_OBJS, liblib.rlib)
39 for file in $(TMPDIR)/liblib.*.rcgu.o; do $(call ASSERT_IS_BITCODE_OBJ, $$file); done
42 $(BUILD_LIB) --crate-type=cdylib --emit=obj -o $(TMPDIR)/cdylib.o
43 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/cdylib.o)
46 $(BUILD_LIB) --crate-type=dylib --emit=obj -o $(TMPDIR)/rdylib.o
47 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/rdylib.o)
50 $(BUILD_EXE) -o $(TMPDIR)/exe.o
51 $(call ASSERT_IS_BITCODE_OBJ, $(TMPDIR)/exe.o)