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Diffstat (limited to 'docs/ExtendingLLVM.html')
| -rw-r--r-- | docs/ExtendingLLVM.html | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/docs/ExtendingLLVM.html b/docs/ExtendingLLVM.html index 15e6984..a0cc4ea 100644 --- a/docs/ExtendingLLVM.html +++ b/docs/ExtendingLLVM.html @@ -105,19 +105,6 @@ function and then be turned into an instruction if warranted.</p> support for it. Generally you must do the following steps:</p> <dl> -<dt>Add support to the C backend in <tt>lib/Target/CBackend/</tt></dt> - -<dd>Depending on the intrinsic, there are a few ways to implement this. For - most intrinsics, it makes sense to add code to lower your intrinsic in - <tt>LowerIntrinsicCall</tt> in <tt>lib/CodeGen/IntrinsicLowering.cpp</tt>. - Second, if it makes sense to lower the intrinsic to an expanded sequence of - C code in all cases, just emit the expansion in <tt>visitCallInst</tt> in - <tt>Writer.cpp</tt>. If the intrinsic has some way to express it with GCC - (or any other compiler) extensions, it can be conditionally supported based - on the compiler compiling the CBE output (see <tt>llvm.prefetch</tt> for an - example). Third, if the intrinsic really has no way to be lowered, just - have the code generator emit code that prints an error message and calls - abort if executed.</dd> <dt>Add support to the .td file for the target(s) of your choice in <tt>lib/Target/*/*.td</tt>.</dt> @@ -385,7 +372,7 @@ void calcTypeName(const Type *Ty, <a href="http://llvm.org/">The LLVM Compiler Infrastructure</a> <br> - Last modified: $Date: 2011-11-03 07:43:23 +0100 (Thu, 03 Nov 2011) $ + Last modified: $Date: 2012-03-23 06:50:46 +0100 (Fri, 23 Mar 2012) $ </address> </body> |
