Use the generic Lfunc_begin label on ppc.

This removes yet another custom label to mark the start of a function.

llvm-svn: 231390

4 files changed, 10 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 0f9edf1d0e9..2a132e56132 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -556,8 +556,12 @@ void AsmPrinter::EmitFunctionHeader() {
     OutStreamer.EmitLabel(DeadBlockSyms[i]);
   }
 
-  if (!MMI->getLandingPads().empty() || MMI->hasDebugInfo()) {
+  bool NeedsLocalForSize = MAI->needsLocalForSize();
+  if (!MMI->getLandingPads().empty() || MMI->hasDebugInfo() ||
+      NeedsLocalForSize) {
     CurrentFnBegin = createTempSymbol("func_begin", getFunctionNumber());
+    if (NeedsLocalForSize)
+      CurrentFnSymForSize = CurrentFnBegin;
 
     if (MAI->useAssignmentForEHBegin()) {
       MCSymbol *CurPos = OutContext.CreateTempSymbol();
diff --git a/llvm/lib/MC/MCAsmInfo.cpp b/llvm/lib/MC/MCAsmInfo.cpp
index 04b804209a7..8a7ee94a593 100644
--- a/llvm/lib/MC/MCAsmInfo.cpp
+++ b/llvm/lib/MC/MCAsmInfo.cpp
@@ -39,6 +39,7 @@ MCAsmInfo::MCAsmInfo() {
   CommentString = "#";
   LabelSuffix = ":";
   UseAssignmentForEHBegin = false;
+  NeedsLocalForSize = false;
   PrivateGlobalPrefix = "L";
   PrivateLabelPrefix = PrivateGlobalPrefix;
   LinkerPrivateGlobalPrefix = "";
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
index 2b4f2d81db8..d8fab5b7c01 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
@@ -45,6 +45,10 @@ PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
 void PPCELFMCAsmInfo::anchor() { }
 
 PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) {
+  // FIXME: This is not always needed. For example, it is not needed in the
+  // v2 abi.
+  NeedsLocalForSize = true;
+
   if (is64Bit) {
     PointerSize = CalleeSaveStackSlotSize = 8;
   }
diff --git a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 13272908b12..93bf99898d0 100644
--- a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -1082,11 +1082,6 @@ void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
   // Emit a null environment pointer.
   OutStreamer.EmitIntValue(0, 8 /* size */);
   OutStreamer.SwitchSection(Current.first, Current.second);
-
-  MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol(
-                          ".L." + Twine(CurrentFnSym->getName()));
-  OutStreamer.EmitLabel(RealFnSym);
-  CurrentFnSymForSize = RealFnSym;
 }