16 lines
706 B
Makefile
16 lines
706 B
Makefile
include ../tools.mk
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# only-x86_64
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# We want to check that `no_builtins` is correctly participating in LTO.
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# First, verify that the `foo::foo` symbol can be found when linking.
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# Next, verify that `memcpy` can be customized using `no_builtins` under LTO.
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# Others will use the built-in memcpy.
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all:
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$(RUSTC) -C linker-plugin-lto -C opt-level=2 -C debuginfo=0 foo.rs
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$(RUSTC) -C linker-plugin-lto -C opt-level=2 -C debuginfo=0 no_builtins.rs
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$(RUSTC) main.rs -C lto -C opt-level=2 -C debuginfo=0 -C save-temps -C metadata=1 -C codegen-units=1
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"$(LLVM_BIN_DIR)"/llvm-dis $(TMPDIR)/main.main.*-cgu.0.rcgu.lto.input.bc -o $(TMPDIR)/lto.ll
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cat "$(TMPDIR)"/lto.ll | "$(LLVM_FILECHECK)" filecheck.lto.txt
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