| # needs-matching-clang |
| |
| # This test makes sure that cross-language inlining actually works by checking |
| # the generated machine code. |
| |
| -include ../tools.mk |
| |
| all: cpp-executable rust-executable |
| |
| cpp-executable: |
| $(RUSTC) -Clinker-plugin-lto=on -o $(TMPDIR)/librustlib-xlto.a -Copt-level=2 -Ccodegen-units=1 ./rustlib.rs |
| $(CLANG) -flto=thin -fuse-ld=lld -L $(TMPDIR) -lrustlib-xlto -o $(TMPDIR)/cmain ./cmain.c -O3 |
| # Make sure we don't find a call instruction to the function we expect to |
| # always be inlined. |
| "$(LLVM_BIN_DIR)"/llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -v -e "call.*rust_always_inlined" |
| # As a sanity check, make sure we do find a call instruction to a |
| # non-inlined function |
| "$(LLVM_BIN_DIR)"/llvm-objdump -d $(TMPDIR)/cmain | $(CGREP) -e "call.*rust_never_inlined" |
| |
| rust-executable: |
| $(CLANG) ./clib.c -flto=thin -c -o $(TMPDIR)/clib.o -O2 |
| (cd $(TMPDIR); $(AR) crus ./libxyz.a ./clib.o) |
| $(RUSTC) -Clinker-plugin-lto=on -L$(TMPDIR) -Copt-level=2 -Clinker=$(CLANG) -Clink-arg=-fuse-ld=lld ./main.rs -o $(TMPDIR)/rsmain |
| "$(LLVM_BIN_DIR)"/llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -e "call.*c_never_inlined" |
| "$(LLVM_BIN_DIR)"/llvm-objdump -d $(TMPDIR)/rsmain | $(CGREP) -v -e "call.*c_always_inlined" |