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Diffstat (limited to 'docs/GettingStartedVS.html')
| -rw-r--r-- | docs/GettingStartedVS.html | 102 |
1 files changed, 62 insertions, 40 deletions
diff --git a/docs/GettingStartedVS.html b/docs/GettingStartedVS.html index 0580378..2e21b33 100644 --- a/docs/GettingStartedVS.html +++ b/docs/GettingStartedVS.html @@ -86,7 +86,7 @@ <ol> <li>Read the documentation.</li> - <li>Read the documentation.</li> + <li>Seriously, read the documentation.</li> <li>Remember that you were warned twice about reading the documentation.</li> <li>Get the Source Code @@ -203,17 +203,13 @@ each of these names with the appropriate pathname on your local system. All these paths are absolute:</p> <dl> - <dt>SRC_ROOT - <dd> - This is the top level directory of the LLVM source tree. - <p> - - <dt>OBJ_ROOT - <dd> - This is the top level directory of the LLVM object tree (i.e. the - tree where object files and compiled programs will be placed. It - is fixed at SRC_ROOT/win32). - <p> + <dt>SRC_ROOT</dt> + <dd><p>This is the top level directory of the LLVM source tree.</p></dd> + + <dt>OBJ_ROOT</dt> + <dd><p>This is the top level directory of the LLVM object tree (i.e. the + tree where object files and compiled programs will be placed. It is + fixed at SRC_ROOT/win32).</p></dd> </dl> </div> @@ -227,12 +223,12 @@ All these paths are absolute:</p> <p>The object files are placed under <tt>OBJ_ROOT/Debug</tt> for debug builds and <tt>OBJ_ROOT/Release</tt> for release (optimized) builds. These include - both executables and libararies that your application can link against. + both executables and libararies that your application can link against.</p> <p>The files that <tt>configure</tt> would create when building on Unix are created by the <tt>Configure</tt> project and placed in <tt>OBJ_ROOT/llvm</tt>. You application must have OBJ_ROOT in its include - search path just before <tt>SRC_ROOT/include</tt>. + search path just before <tt>SRC_ROOT/include</tt>.</p> </div> @@ -245,57 +241,83 @@ All these paths are absolute:</p> <div class="doc_text"> <ol> - <li>First, create a simple C file, name it 'hello.c': - <pre> - #include <stdio.h> - int main() { - printf("hello world\n"); - return 0; - } - </pre></li> + <li><p>First, create a simple C file, name it 'hello.c':</p> + +<div class="doc_code"> +<pre> +#include <stdio.h> +int main() { + printf("hello world\n"); + return 0; +} +</pre></div></li> <li><p>Next, compile the C file into a LLVM bitcode file:</p> - <p><tt>% llvm-gcc -c hello.c -emit-llvm -o hello.bc</tt></p> - <p>This will create the result file <tt>hello.bc</tt> which is the LLVM - bitcode that corresponds the the compiled program and the library - facilities that it required. You can execute this file directly using - <tt>lli</tt> tool, compile it to native assembly with the <tt>llc</tt>, - optimize or analyze it further with the <tt>opt</tt> tool, etc.</p> +<div class="doc_code"> +<pre> +% llvm-gcc -c hello.c -emit-llvm -o hello.bc +</pre> +</div> + + <p>This will create the result file <tt>hello.bc</tt> which is the LLVM + bitcode that corresponds the the compiled program and the library + facilities that it required. You can execute this file directly using + <tt>lli</tt> tool, compile it to native assembly with the <tt>llc</tt>, + optimize or analyze it further with the <tt>opt</tt> tool, etc.</p> <p><b>Note: while you cannot do this step on Windows, you can do it on a - Unix system and transfer <tt>hello.bc</tt> to Windows. Important: - transfer as a binary file!</b></p></li> + Unix system and transfer <tt>hello.bc</tt> to Windows. Important: + transfer as a binary file!</b></p></li> <li><p>Run the program using the just-in-time compiler:</p> - <p><tt>% lli hello.bc</tt></p></li> +<div class="doc_code"> +<pre> +% lli hello.bc +</pre> +</div> <p>Note: this will only work for trivial C programs. Non-trivial programs - (and any C++ program) will have dependencies on the GCC runtime that - won't be satisfied by the Microsoft runtime libraries.</p> + (and any C++ program) will have dependencies on the GCC runtime that + won't be satisfied by the Microsoft runtime libraries.</p></li> <li><p>Use the <tt>llvm-dis</tt> utility to take a look at the LLVM assembly code:</p> - <p><tt>% llvm-dis < hello.bc | more</tt><p></li> +<div class="doc_code"> +<pre> +% llvm-dis < hello.bc | more +</pre> +</div></li> <li><p>Compile the program to C using the LLC code generator:</p> - <p><tt>% llc -march=c hello.bc</tt></p></li> +<div class="doc_code"> +<pre> +% llc -march=c hello.bc +</pre> +</div></li> <li><p>Compile to binary using Microsoft C:</p> - <p><tt>% cl hello.cbe.c</tt></p></li> +<div class="doc_code"> +<pre> +% cl hello.cbe.c +</pre> +</div> <p>Note: this will only work for trivial C programs. Non-trivial programs (and any C++ program) will have dependencies on the GCC runtime that - won't be satisfied by the Microsoft runtime libraries.</p> + won't be satisfied by the Microsoft runtime libraries.</p></li> <li><p>Execute the native code program:</p> - <p><tt>% hello.cbe.exe</tt></p></li> - +<div class="doc_code"> +<pre> +% hello.cbe.exe +</pre> +</div></li> </ol> </div> @@ -332,7 +354,7 @@ out:</p> <li><a href="http://llvm.org/">LLVM homepage</a></li> <li><a href="http://llvm.org/doxygen/">LLVM doxygen tree</a></li> <li><a href="http://llvm.org/docs/Projects.html">Starting a Project - that Uses LLVM</a></li> + that Uses LLVM</a></li> </ul> </div> |