[Targets] Add errors for tiny and kernel codemodel on targets that don't support them

Adds fatal errors for any target that does not support the Tiny or Kernel
codemodels by rejigging the getEffectiveCodeModel calls.

Differential Revision: https://reviews.llvm.org/D50141

llvm-svn: 348585

1 files changed, 2 insertions, 8 deletions

diff --git a/llvm/lib/Target/BPF/BPFTargetMachine.cpp b/llvm/lib/Target/BPF/BPFTargetMachine.cpp
index 52b1bb00316..350465b118e 100644
--- a/llvm/lib/Target/BPF/BPFTargetMachine.cpp
+++ b/llvm/lib/Target/BPF/BPFTargetMachine.cpp
@@ -51,12 +51,6 @@ static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) {
   return *RM;
 }
 
-static CodeModel::Model getEffectiveCodeModel(Optional<CodeModel::Model> CM) {
-  if (CM)
-    return *CM;
-  return CodeModel::Small;
-}
-
 BPFTargetMachine::BPFTargetMachine(const Target &T, const Triple &TT,
                                    StringRef CPU, StringRef FS,
                                    const TargetOptions &Options,
@@ -64,8 +58,8 @@ BPFTargetMachine::BPFTargetMachine(const Target &T, const Triple &TT,
                                    Optional<CodeModel::Model> CM,
                                    CodeGenOpt::Level OL, bool JIT)
     : LLVMTargetMachine(T, computeDataLayout(TT), TT, CPU, FS, Options,
-                        getEffectiveRelocModel(RM), getEffectiveCodeModel(CM),
-                        OL),
+                        getEffectiveRelocModel(RM),
+                        getEffectiveCodeModel(CM, CodeModel::Small), OL),
       TLOF(make_unique<TargetLoweringObjectFileELF>()),
       Subtarget(TT, CPU, FS, *this) {
   initAsmInfo();