From: James Molloy <james.molloy@arm.com>
Date: Sat, 28 Jan 2012 15:58:32 +0000 (+0000)
Subject: Ensure .AliasedSymbol() is called on all uses of getSymbol(). Affects ARM and MIPS... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2d8955a77c6920d1a50de5ec9094faaa1b2f4e88;p=oota-llvm.git

Ensure .AliasedSymbol() is called on all uses of getSymbol(). Affects ARM and MIPS ELF backends.

Fixes PR11877



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149180 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
index 2ad64de9886..7d44ddafeae 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
@@ -69,7 +69,7 @@ const MCSymbol *ARMELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm,
                                                    const MCFragment &F,
                                                    const MCFixup &Fixup,
                                                    bool IsPCRel) const {
-  const MCSymbol &Symbol = Target.getSymA()->getSymbol();
+  const MCSymbol &Symbol = Target.getSymA()->getSymbol().AliasedSymbol();
   bool EmitThisSym = false;
 
   const MCSectionELF &Section =
diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
index 9c2f81e596f..196e17fefab 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
@@ -53,7 +53,7 @@ const MCSymbol *MipsELFObjectWriter::ExplicitRelSym(const MCAssembler &Asm,
                                                     const MCFixup &Fixup,
                                                     bool IsPCRel) const {
   assert(Target.getSymA() && "SymA cannot be 0.");
-  const MCSymbol &Sym = Target.getSymA()->getSymbol();
+  const MCSymbol &Sym = Target.getSymA()->getSymbol().AliasedSymbol();
 
   if (Sym.getSection().getKind().isMergeableCString() ||
       Sym.getSection().getKind().isMergeableConst())
diff --git a/test/MC/ARM/pr11877.s b/test/MC/ARM/pr11877.s
new file mode 100644
index 00000000000..da3f6ad1d8e
--- /dev/null
+++ b/test/MC/ARM/pr11877.s
@@ -0,0 +1,6 @@
+// RUN: llvm-mc -triple arm-unknown-unknown %s
+
+i:
+        .long    g
+g = h
+h = i
diff --git a/test/MC/Mips/pr11877.s b/test/MC/Mips/pr11877.s
new file mode 100644
index 00000000000..d354ce4c554
--- /dev/null
+++ b/test/MC/Mips/pr11877.s
@@ -0,0 +1,6 @@
+// RUN: llvm-mc -triple mips-unknown-unknown %s
+
+i:
+        .long    g
+g = h
+h = i