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Use real types instead of "Self" for the IR value names of local type data.

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Since that's somewhat expensive, allow the generation of meaningful
IR value names to be efficiently controlled in IRGen.  By default,
enable meaningful value names only when generating .ll output.

I considered giving protocol witness tables the name T:Protocol
instead of T.Protocol, but decided that I didn't want to update that
many test cases.
This commit is contained in:
John McCall
2016-01-13 17:42:41 -08:00
parent b38b27cfac
commit f1682cd9a8
29 changed files with 190 additions and 96 deletions
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6
include/swift/Option/FrontendOptions.td
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@@ -181,6 +181,12 @@ def disable_llvm_slp_vectorizer : Flag<["-"], "disable-llvm-slp-vectorizer">,
def disable_llvm_verify : Flag<["-"], "disable-llvm-verify">,
HelpText<"Don't run the LLVM IR verifier.">;
def disable_llvm_value_names : Flag<["-"], "disable-llvm-value-names">,
HelpText<"Don't add names to local values in LLVM IR">;
def enable_llvm_value_names : Flag<["-"], "enable-llvm-value-names">,
HelpText<"Add names to local values in LLVM IR">;
def stack_promotion_checks : Flag<["-"], "emit-stack-promotion-checks">,
HelpText<"Emit runtime checks for correct stack promotion of objects.">;