Allocate TargetLibraryInfo for the CodeGen passes. Otherwise, it's instantiated
by the BAA pass, which uses the default TargetLibraryInfo constructor.
Unfortunately, the default TargetLibraryInfo constructor assumes all library
calls are available and thus ignores -fno-builtin.
rdar://10947759
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151745 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index d175bd5..d9bdc32 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -351,6 +351,12 @@
// Create the code generator passes.
PassManager *PM = getCodeGenPasses();
+ // Add LibraryInfo.
+ TargetLibraryInfo *TLI = new TargetLibraryInfo();
+ if (!CodeGenOpts.SimplifyLibCalls)
+ TLI->disableAllFunctions();
+ PM->add(TLI);
+
// Normal mode, emit a .s or .o file by running the code generator. Note,
// this also adds codegenerator level optimization passes.
TargetMachine::CodeGenFileType CGFT = TargetMachine::CGFT_AssemblyFile;