Fix segfault when running ompss pass from clang

mikaoP · mikaoP · commit 012d80c89d2b · 2019-03-06T08:28:33.000Z
Seems like EP_EarlyAsPossible can only be used for FunctionPasses. Let's do what https://lists.llvm.org/pipermail/llvm-dev/2018-June/123988.html says and add the pass with EP_ModuleOptimizerEarly and EP_ModuleOptimizerEarly
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
@@ -570,7 +570,9 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,
     TM->adjustPassManager(PMBuilder);
 
   if (LangOpts.OmpSs) {
-    PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible,
+    PMBuilder.addExtension(PassManagerBuilder::EP_ModuleOptimizerEarly,
+                           addOmpSsPass);
+    PMBuilder.addExtension(PassManagerBuilder::EP_EnabledOnOptLevel0,
                            addOmpSsPass);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -570,7 +570,9 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,`
`570`	`570`	`TM->adjustPassManager(PMBuilder);`
`571`	`571`
`572`	`572`	`if (LangOpts.OmpSs) {`
`573`		`- PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible,`
	`573`	`+ PMBuilder.addExtension(PassManagerBuilder::EP_ModuleOptimizerEarly,`
	`574`	`+ addOmpSsPass);`
	`575`	`+ PMBuilder.addExtension(PassManagerBuilder::EP_EnabledOnOptLevel0,`
`574`	`576`	`addOmpSsPass);`
`575`	`577`	`}`
`576`	`578`