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DAG arguments can optionally be named: (dag node, node:$name) With this change, the node is also optional: (dag node, node:$name, $name) The missing node is treated as an UnsetInit, so the above is equivalent to: (dag node, node:$name, ?:$name) This syntax is useful in output patterns where we currently require the types of variables to be repeated: def : Pat<(subc i32:$b, i32:$c), (SUBCCrr i32:$b, i32:$c)>; This is preferable: def : Pat<(subc i32:$b, i32:$c), (SUBCCrr $b, $c)>; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177843 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
CMakeLists.txt | ||
Error.cpp | ||
LLVMBuild.txt | ||
Main.cpp | ||
Makefile | ||
Record.cpp | ||
StringMatcher.cpp | ||
TableGenBackend.cpp | ||
TGLexer.cpp | ||
TGLexer.h | ||
TGParser.cpp | ||
TGParser.h |