llvm-mirror/duplicate-include.td at c463fa6cadff2a254da23b545dd7335c61bca971 - llvm-mirror - Git.je (Gitea)

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River Riddle b76b006b31 Tablegen: Remove the error for duplicate include files.

This error was originally added a while(7 years) ago when
including multiple files was basically always an error. Tablegen
now has preprocessor support, which allows for building nice
c/c++ style include guards. With the current error being
reported, we unfortunately need to double guard when including
files:

* In user of MyFile.td

 #ifndef MYFILE_TD
 include MyFile.td
 #endif

* In MyFile.td

 #ifndef MYFILE_TD
 #define MYFILE_TD
 ...
 #endif

Differential Revision: https://reviews.llvm.org/D70410

2019-11-20 18:24:10 -08:00

8 lines

135 B

TableGen

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 // RUN: llvm-tblgen -I %p %s | FileCheck %s
 // CHECK: def InInclude
 include "duplicate-include.inc"
 include "duplicate-include.inc"