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Diffstat (limited to 'docs/LinkTimeOptimization.html')
| -rw-r--r-- | docs/LinkTimeOptimization.html | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/docs/LinkTimeOptimization.html b/docs/LinkTimeOptimization.html index 05011e63d2..720a5e460a 100644 --- a/docs/LinkTimeOptimization.html +++ b/docs/LinkTimeOptimization.html @@ -6,9 +6,9 @@ <link rel="stylesheet" href="llvm.css" type="text/css"> </head> -<div class="doc_title"> +<h1> LLVM Link Time Optimization: Design and Implementation -</div> +</h1> <ul> <li><a href="#desc">Description</a></li> @@ -36,9 +36,9 @@ </div> <!-- *********************************************************************** --> -<div class="doc_section"> +<h2> <a name="desc">Description</a> -</div> +</h2> <!-- *********************************************************************** --> <div class="doc_text"> @@ -50,9 +50,9 @@ and design between the LTO optimizer and the linker.</p> </div> <!-- *********************************************************************** --> -<div class="doc_section"> +<h2> <a name="design">Design Philosophy</a> -</div> +</h2> <!-- *********************************************************************** --> <div class="doc_text"> @@ -72,9 +72,9 @@ conservative escape analysis. </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="example1">Example of link time optimization</a> -</div> +</h3> <div class="doc_text"> <p>The following example illustrates the advantages of LTO's integrated @@ -145,9 +145,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="alternative_approaches">Alternative Approaches</a> -</div> +</h3> <div class="doc_text"> <dl> @@ -176,9 +176,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- *********************************************************************** --> -<div class="doc_section"> +<h2> <a name="multiphase">Multi-phase communication between libLTO and linker</a> -</div> +</h2> <div class="doc_text"> <p>The linker collects information about symbol defininitions and uses in @@ -195,9 +195,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="phase1">Phase 1 : Read LLVM Bitcode Files</a> -</div> +</h3> <div class="doc_text"> <p>The linker first reads all object files in natural order and collects @@ -219,9 +219,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="phase2">Phase 2 : Symbol Resolution</a> -</div> +</h3> <div class="doc_text"> <p>In this stage, the linker resolves symbols using global symbol table. @@ -233,9 +233,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="phase3">Phase 3 : Optimize Bitcode Files</a> -</div> +</h3> <div class="doc_text"> <p>After symbol resolution, the linker tells the LTO shared object which symbols are needed by native object files. In the example above, the linker @@ -248,9 +248,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="phase4">Phase 4 : Symbol Resolution after optimization</a> -</div> +</h3> <div class="doc_text"> <p>In this phase, the linker reads optimized a native object file and @@ -265,9 +265,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- *********************************************************************** --> -<div class="doc_section"> +<h2> <a name="lto">libLTO</a> -</div> +</h2> <div class="doc_text"> <p><tt>libLTO</tt> is a shared object that is part of the LLVM tools, and @@ -281,9 +281,9 @@ $ llvm-gcc a.o main.o -o main # <-- standard link command without any modific </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="lto_module_t">lto_module_t</a> -</div> +</h3> <div class="doc_text"> @@ -325,9 +325,9 @@ lto_module_get_symbol_attribute(lto_module_t, unsigned int) </div> <!-- ======================================================================= --> -<div class="doc_subsection"> +<h3> <a name="lto_code_gen_t">lto_code_gen_t</a> -</div> +</h3> <div class="doc_text"> |