[ThinkLTO] Invoke build(Thin)?LTOPreLinkDefaultPipeline.

Previously it doesn't actually invoke the designated new PM builder
functions.

This patch moves NameAnonGlobalPass out from PassBuilder, as Chandler
points out that PassBuilder is used for non-O0 builds, and for
optimizations only.

Differential Revision: https://reviews.llvm.org/D34728

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306756 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Passes/PassBuilder.cpp

@@ -758,9 +758,6 @@ PassBuilder::buildThinLTOPreLinkDefaultPipeline(OptimizationLevel Level,
   // Reduce the size of the IR as much as possible.
   MPM.addPass(GlobalOptPass());
 
-  // Rename anon globals to be able to export them in the summary.
-  MPM.addPass(NameAnonGlobalPass());
-
   return MPM;
 }
 

test/Other/new-pm-thinlto-defaults.ll

@@ -9,19 +9,19 @@
 ;
 ; Prelink pipelines:
 ; RUN: opt -disable-verify -debug-pass-manager \
-; RUN:     -passes='thinlto-pre-link<O1>' -S %s 2>&1 \
+; RUN:     -passes='thinlto-pre-link<O1>,name-anon-globals' -S %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O1,CHECK-PRELINK-O,CHECK-PRELINK-O1
 ; RUN: opt -disable-verify -debug-pass-manager \
-; RUN:     -passes='thinlto-pre-link<O2>' -S  %s 2>&1 \
+; RUN:     -passes='thinlto-pre-link<O2>,name-anon-globals' -S  %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O2,CHECK-PRELINK-O,CHECK-PRELINK-O2
 ; RUN: opt -disable-verify -debug-pass-manager \
-; RUN:     -passes='thinlto-pre-link<O3>' -S  %s 2>&1 \
+; RUN:     -passes='thinlto-pre-link<O3>,name-anon-globals' -S  %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-O3,CHECK-PRELINK-O,CHECK-PRELINK-O3
 ; RUN: opt -disable-verify -debug-pass-manager \
-; RUN:     -passes='thinlto-pre-link<Os>' -S %s 2>&1 \
+; RUN:     -passes='thinlto-pre-link<Os>,name-anon-globals' -S %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Os,CHECK-PRELINK-O,CHECK-PRELINK-Os
 ; RUN: opt -disable-verify -debug-pass-manager \
-; RUN:     -passes='thinlto-pre-link<Oz>' -S %s 2>&1 \
+; RUN:     -passes='thinlto-pre-link<Oz>,name-anon-globals' -S %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefixes=CHECK-O,CHECK-Oz,CHECK-PRELINK-O,CHECK-PRELINK-Oz
 ;
 ; Postlink pipelines:
@@ -154,7 +154,6 @@
 ; CHECK-O-NEXT: Finished CGSCC pass manager run.
 ; CHECK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-PRELINK-O-NEXT: Running pass: GlobalOptPass
-; CHECK-PRELINK-O-NEXT: Running pass: NameAnonGlobalPass
 ; CHECK-POSTLINK-O-NEXT: Running pass: PassManager<{{.*}}Module{{.*}}>
 ; CHECK-POSTLINK-O-NEXT: Starting llvm::Module pass manager run.
 ; CHECK-POSTLINK-O-NEXT: Running pass: GlobalOptPass
@@ -188,6 +187,7 @@
 ; CHECK-POSTLINK-O-NEXT: Running pass: ConstantMergePass
 ; CHECK-POSTLINK-O-NEXT: Finished llvm::Module pass manager run.
 ; CHECK-O-NEXT: Finished llvm::Module pass manager run.
+; CHECK-PRELINK-O-NEXT: Running pass: NameAnonGlobalPass
 ; CHECK-O-NEXT: Running pass: PrintModulePass
 
 ; Make sure we get the IR back out without changes when we print the module.