blob: acaebf439d65b5497f553772b8cadeb1ae955f5d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
# 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"
|
