From 26baaa1efbc99fb6061a012a7b872aa885a2d1ec Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 7 Feb 2014 21:23:18 +0000
Subject: [PATCH] Always create a temporary symbol to use with the cfi frame.

This is a small simplification and a small step in fixing pr18743 since
private functions on MachO should be using a 'l' prefix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200994 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCStreamer.cpp       | 12 +++---------
 test/CodeGen/X86/pr10420.ll | 14 ++++++++------
 2 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 0a69dab0b1f..02065daf247 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -267,15 +267,9 @@ void MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) {
 
 void MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) {
   Frame.Function = LastSymbol;
-  // If the function is externally visible, we need to create a local
-  // symbol to avoid relocations.
-  StringRef Prefix = getContext().getAsmInfo()->getPrivateGlobalPrefix();
-  if (LastSymbol && LastSymbol->getName().startswith(Prefix)) {
-    Frame.Begin = LastSymbol;
-  } else {
-    Frame.Begin = getContext().CreateTempSymbol();
-    EmitLabel(Frame.Begin);
-  }
+  // We need to create a local symbol to avoid relocations.
+  Frame.Begin = getContext().CreateTempSymbol();
+  EmitLabel(Frame.Begin);
 }
 
 void MCStreamer::EmitCFIEndProc() {
diff --git a/test/CodeGen/X86/pr10420.ll b/test/CodeGen/X86/pr10420.ll
index 9431198797f..100bb2c9eef 100644
--- a/test/CodeGen/X86/pr10420.ll
+++ b/test/CodeGen/X86/pr10420.ll
@@ -15,35 +15,37 @@ define void @bar() {
 }
 
 ; CHECK: L_foo:                                   ## @foo
+; CHECK-NEXT: Ltmp0:
 
 ; CHECK: _bar:                                   ## @bar
-; CHECK-NEXT: Ltmp2:
+; CHECK-NEXT: Ltmp3:
 
 ; CHECK: ## FDE CIE Offset
 ; CHECK-NEXT: .long
 ; CHECK-NEXT: Ltmp[[NUM1:[0-9]*]]:
-; CHECK-NEXT: Ltmp[[NUM2:[0-9]*]] = L_foo-Ltmp[[NUM1]]   ## FDE initial location
+; CHECK-NEXT: Ltmp[[NUM2:[0-9]*]] = Ltmp0-Ltmp[[NUM1]]   ## FDE initial location
 ; CHECK-NEXT: {{.quad|.long}}   Ltmp[[NUM2]]
 
 
 ; CHECK: ## FDE CIE Offset
 ; CHECK-NEXT: .long
 ; CHECK-NEXT: Ltmp[[NUM1:[0-9]*]]:
-; CHECK-NEXT: Ltmp[[NUM2:[0-9]*]] = Ltmp2-Ltmp[[NUM1]]   ## FDE initial location
+; CHECK-NEXT: Ltmp[[NUM2:[0-9]*]] = Ltmp3-Ltmp[[NUM1]]   ## FDE initial location
 ; CHECK-NEXT: {{.quad|.long}}   Ltmp[[NUM2]]
 
 
 ; OLD: L_foo:                                   ## @foo
+; OLD-NEXT: Ltmp0:
 
 ; OLD: _bar:                                   ## @bar
-; OLD-NEXT: Ltmp2:
+; OLD-NEXT: Ltmp3:
 
 ; OLD: ## FDE CIE Offset
 ; OLD-NEXT: .long
 ; OLD-NEXT: Ltmp[[NUM1:[0-9]*]]:
-; OLD-NEXT: {{.quad|.long}} L_foo-Ltmp[[NUM1]]          ## FDE initial location
+; OLD-NEXT: {{.quad|.long}} Ltmp0-Ltmp[[NUM1]]          ## FDE initial location
 
 ; OLD: ## FDE CIE Offset
 ; OLD-NEXT: .long
 ; OLD-NEXT: Ltmp[[NUM1:[0-9]*]]:
-; OLD-NEXT: {{.quad|.long}} Ltmp2-Ltmp[[NUM1]]          ## FDE initial location
+; OLD-NEXT: {{.quad|.long}} Ltmp3-Ltmp[[NUM1]]          ## FDE initial location