From a4b23ffced8cc7ac2d856f0bd1e4b8b2a12f18e5 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 19 Nov 2010 04:10:13 +0000
Subject: [PATCH] Fix llvm-gcc boostrap on OS X by avoiding printing sleb and
 uleb when possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119785 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/MC/MCAsmStreamer.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index b3c47367056..97cfb217d21 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -535,12 +535,28 @@ void MCAsmStreamer::EmitValue(const MCExpr *Value, unsigned Size,
 }
 
 void MCAsmStreamer::EmitULEB128Value(const MCExpr *Value, unsigned AddrSpace) {
+  int64_t IntValue;
+  if (Value->EvaluateAsAbsolute(IntValue)) {
+    SmallString<32> Tmp;
+    raw_svector_ostream OSE(Tmp);
+    MCObjectWriter::EncodeULEB128(IntValue, OSE);
+    EmitBytes(OSE.str(), AddrSpace);
+    return;
+  }
   assert(MAI.hasLEB128() && "Cannot print a .uleb");
   OS << ".uleb128 " << *Value;
   EmitEOL();
 }
 
 void MCAsmStreamer::EmitSLEB128Value(const MCExpr *Value, unsigned AddrSpace) {
+  int64_t IntValue;
+  if (Value->EvaluateAsAbsolute(IntValue)) {
+    SmallString<32> Tmp;
+    raw_svector_ostream OSE(Tmp);
+    MCObjectWriter::EncodeSLEB128(IntValue, OSE);
+    EmitBytes(OSE.str(), AddrSpace);
+    return;
+  }
   assert(MAI.hasLEB128() && "Cannot print a .sleb");
   OS << ".sleb128 " << *Value;
   EmitEOL();