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Enable LLVM link time optimization (LTO) for AOT (#831)

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Enable LLVM link time optimization for AOT and enable it by default,
and provide "wamrc --disable-llvm-lto" option to disable it.
And modify the spec test script, disable it by default when testing
spec cases.

Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
This commit is contained in:
Wenyong Huang
2021-11-13 16:59:35 +08:00
committed by GitHub
parent 9281286181
commit a1ad950ae1
8 changed files with 72 additions and 2 deletions
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5
tests/wamr-test-suites/spec-test-script/runtest.py
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@ -946,6 +946,11 @@ def compile_wasm_to_aot(wasm_tempfile, aot_tempfile, runner, opts, r):
cmd.append("--enable-ref-types")
cmd.append("--enable-bulk-memory")
# disable llvm link time optimization as it might convert
# code of tail call into code of dead loop, and stack overflow
# exception isn't thrown in several cases
cmd.append("--disable-llvm-lto")
cmd += ["-o", aot_tempfile, wasm_tempfile]
log("Running: %s" % " ".join(cmd))