[PATCH] D86007: [gn build] Add support for expensive checks

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks created this revision.
aeubanks added a reviewer: thakis.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
aeubanks requested review of this revision.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D86007

Files:
  llvm/utils/gn/build/BUILD.gn
  llvm/utils/gn/build/buildflags.gni


Index: llvm/utils/gn/build/buildflags.gni
===================================================================
--- llvm/utils/gn/build/buildflags.gni
+++ llvm/utils/gn/build/buildflags.gni
@@ -10,4 +10,7 @@
 
   # Whether to enable assertions.
   llvm_enable_assertions = true
+
+  # Whether to enable expensive checks.
+  llvm_enable_expensive_checks = false
 }
Index: llvm/utils/gn/build/BUILD.gn
===================================================================
--- llvm/utils/gn/build/BUILD.gn
+++ llvm/utils/gn/build/BUILD.gn
@@ -34,6 +34,10 @@
     defines += [ "NDEBUG" ]
   }
 
+  if (llvm_enable_expensive_checks) {
+    defines += [ "EXPENSIVE_CHECKS" ]
+  }
+
   asmflags = target_flags
   cflags = target_flags
   ldflags = target_flags + target_ldflags


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