forked from OSchip/llvm-project
parent
c6b12bd2b1
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2e13bf24c8
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@ -88,7 +88,7 @@ conservative escape analysis.
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<li> Input source file <tt>a.c</tt> is compiled into LLVM byte code form.
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<li> Input source file <tt>a.c</tt> is compiled into LLVM byte code form.
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<li> Input source file <tt>main.c</tt> is compiled into native object code.
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<li> Input source file <tt>main.c</tt> is compiled into native object code.
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</ul>
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</ul>
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<pre>
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<div class="doc_code"><pre>
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--- a.h ---
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--- a.h ---
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extern int foo1(void);
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extern int foo1(void);
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extern void foo2(void);
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extern void foo2(void);
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@ -132,7 +132,7 @@ int main() {
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$ llvm-gcc4 --emit-llvm -c a.c -o a.o # <-- a.o is LLVM bytecode file
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$ llvm-gcc4 --emit-llvm -c a.c -o a.o # <-- a.o is LLVM bytecode file
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$ llvm-gcc4 -c main.c -o main.o # <-- main.o is native object file
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$ llvm-gcc4 -c main.c -o main.o # <-- main.o is native object file
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$ llvm-gcc4 a.o main.o -o main # <-- standard link command without any modifications
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$ llvm-gcc4 a.o main.o -o main # <-- standard link command without any modifications
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</pre>
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</pre></div>
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<p>In this example, the linker recognizes that <tt>foo2()</tt> is an
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<p>In this example, the linker recognizes that <tt>foo2()</tt> is an
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externally visible symbol defined in LLVM byte code file. This information
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externally visible symbol defined in LLVM byte code file. This information
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is collected using <a href="#readllvmobjectfile"> readLLVMObjectFile()</a>.
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is collected using <a href="#readllvmobjectfile"> readLLVMObjectFile()</a>.
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