Add back some dead code.

It was there just to avoid warnings. Add a LLVM_ATTRIBUTE_UNUSED
attribute so that it doesn't produce warnings with gcc 6.

llvm-svn: 273308

1 files changed, 14 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCFastISel.cpp b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
index 842d68b..7e92042 100644
--- a/llvm/lib/Target/PowerPC/PPCFastISel.cpp
+++ b/llvm/lib/Target/PowerPC/PPCFastISel.cpp
@@ -186,6 +186,7 @@ class PPCFastISel final : public FastISel {
                          unsigned &NumBytes,
                          bool IsVarArg);
     bool finishCall(MVT RetVT, CallLoweringInfo &CLI, unsigned &NumBytes);
+    LLVM_ATTRIBUTE_UNUSED CCAssignFn *usePPC32CCs(unsigned Flag);
 
   private:
   #include "PPCGenFastISel.inc"
@@ -196,6 +197,19 @@ class PPCFastISel final : public FastISel {
 
 #include "PPCGenCallingConv.inc"
 
+// Function whose sole purpose is to kill compiler warnings
+// stemming from unused functions included from PPCGenCallingConv.inc.
+CCAssignFn *PPCFastISel::usePPC32CCs(unsigned Flag) {
+  if (Flag == 1)
+    return CC_PPC32_SVR4;
+  else if (Flag == 2)
+    return CC_PPC32_SVR4_ByVal;
+  else if (Flag == 3)
+    return CC_PPC32_SVR4_VarArg;
+  else
+    return RetCC_PPC;
+}
+
 static Optional<PPC::Predicate> getComparePred(CmpInst::Predicate Pred) {
   switch (Pred) {
     // These are not representable with any single compare.