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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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14
core/iwasm/compilation/aot_llvm_extra.cpp
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@ -33,6 +33,9 @@ WAMRCreateMCJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
extern "C" bool
aot_check_simd_compatibility(const char *arch_c_str, const char *cpu_c_str);
extern "C" void
aot_func_disable_tce(LLVMValueRef func);
LLVMBool
WAMRCreateMCJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
LLVMModuleRef M,
@ -143,3 +146,14 @@ aot_check_simd_compatibility(const char *arch_c_str, const char *cpu_c_str)
return true;
#endif /* WASM_ENABLE_SIMD */
}
void
aot_func_disable_tce(LLVMValueRef func)
{
Function *F = unwrap<Function>(func);
auto Attrs = F->getAttributes();
Attrs = Attrs.addAttribute(F->getContext(), AttributeList::FunctionIndex,
"disable-tail-calls", "true");
F->setAttributes(Attrs);
}