[modules] Separate intrinsic_gen dependent headers from module LLVM_IR.

Some headers in IR depend on tablegen generated code. Modules builds triggered
generation of the LLVM_IR module (including headers dependant on intrinsic_gen),
imposing a unnecessary build dependency.

Reviewed by Richard Smith.

llvm-svn: 274006

1 files changed, 37 insertions, 0 deletions

diff --git a/llvm/include/llvm/module.modulemap b/llvm/include/llvm/module.modulemap
index ba20334d544..d9b4bb5551b 100644
--- a/llvm/include/llvm/module.modulemap
+++ b/llvm/include/llvm/module.modulemap
@@ -114,6 +114,43 @@ module LLVM_Pass {
   module InitializePasses { header "InitializePasses.h" export * }
 }
 
+module LLVM_intrinsic_gen {
+  requires cplusplus
+
+  // Delay building the modules containing dependencies to Attributes.h and
+  // Intrinsics.h because they need to be generated by tablegen first.
+
+  // Attributes.h
+  module IR_Argument { header "IR/Argument.h" export * }
+  module IR_Attributes { header "IR/Attributes.h" export * }
+  module IR_CallSite { header "IR/CallSite.h" export * }
+  module IR_ConstantFolder { header "IR/ConstantFolder.h" export * }
+  module IR_NoFolder { header "IR/NoFolder.h" export * }
+  module IR_Module { header "IR/Module.h" export * }
+  module IR_ModuleSummaryIndex { header "IR/ModuleSummaryIndex.h" export * }
+  module IR_Function { header "IR/Function.h" export * }
+  module IR_InstrTypes { header "IR/InstrTypes.h" export * }
+  module IR_Instructions { header "IR/Instructions.h" export * }
+
+
+  // Intrinsics.h
+  module IR_CFG { header "IR/CFG.h" export * }
+  module IR_ConstantRange { header "IR/ConstantRange.h" export * }
+  module IR_Dominators { header "IR/Dominators.h" export * }
+  module IR_IRBuilder { header "IR/IRBuilder.h" export * }
+  module IR_PassManager { header "IR/PassManager.h" export * }
+  module IR_PredIteratorCache { header "IR/PredIteratorCache.h" export * }
+  module IR_Verifier { header "IR/Verifier.h" export * }
+  module IR_InstIterator { header "IR/InstIterator.h" export * }
+  module IR_InstVisitor { header "IR/InstVisitor.h" export * }
+  module IR_Intrinsics { header "IR/Intrinsics.h" export * }
+  module IR_IntrinsicInst { header "IR/IntrinsicInst.h" export * }
+  module IR_PatternMatch { header "IR/PatternMatch.h" export * }
+  module IR_Statepoint { header "IR/Statepoint.h" export * }
+
+  export *
+}
+
 module LLVM_IR {
   requires cplusplus