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-rw-r--r--include/llvm/CodeGen/MachineConstantPool.h9
-rw-r--r--include/llvm/Constant.h21
-rw-r--r--lib/Target/ELFTargetAsmInfo.cpp4
-rw-r--r--lib/VMCore/Constants.cpp23
4 files changed, 29 insertions, 28 deletions
diff --git a/include/llvm/CodeGen/MachineConstantPool.h b/include/llvm/CodeGen/MachineConstantPool.h
index 5ae641fb9e..59d8e63526 100644
--- a/include/llvm/CodeGen/MachineConstantPool.h
+++ b/include/llvm/CodeGen/MachineConstantPool.h
@@ -47,14 +47,7 @@ public:
/// getRelocationInfo - This method classifies the entry according to
/// whether or not it may generate a relocation entry. This must be
/// conservative, so if it might codegen to a relocatable entry, it should say
- /// so. The return values are:
- ///
- /// 0: This constant pool entry is guaranteed to never have a relocation
- /// applied to it (because it holds a simple constant like '4').
- /// 1: This entry has relocations, but the entries are guaranteed to be
- /// resolvable by the static linker, so the dynamic linker will never see
- /// them.
- /// 2: This entry may have arbitrary relocations.
+ /// so. The return values are the same as Constant::getRelocationInfo().
virtual unsigned getRelocationInfo() const = 0;
virtual int getExistingMachineCPValue(MachineConstantPool *CP,
diff --git a/include/llvm/Constant.h b/include/llvm/Constant.h
index 4314b2c026..80c88b623f 100644
--- a/include/llvm/Constant.h
+++ b/include/llvm/Constant.h
@@ -59,20 +59,27 @@ public:
/// true for things like constant expressions that could divide by zero.
bool canTrap() const;
+ enum PossibleRelocationsTy {
+ NoRelocation = 0,
+ LocalRelocation = 1,
+ GlobalRelocations = 2
+ };
+
/// getRelocationInfo - This method classifies the entry according to
/// whether or not it may generate a relocation entry. This must be
/// conservative, so if it might codegen to a relocatable entry, it should say
/// so. The return values are:
///
- /// 0: This constant pool entry is guaranteed to never have a relocation
- /// applied to it (because it holds a simple constant like '4').
- /// 1: This entry has relocations, but the entries are guaranteed to be
- /// resolvable by the static linker, so the dynamic linker will never see
- /// them.
- /// 2: This entry may have arbitrary relocations.
+ /// NoRelocation: This constant pool entry is guaranteed to never have a
+ /// relocation applied to it (because it holds a simple constant like
+ /// '4').
+ /// LocalRelocation: This entry has relocations, but the entries are
+ /// guaranteed to be resolvable by the static linker, so the dynamic
+ /// linker will never see them.
+ /// GlobalRelocations: This entry may have arbitrary relocations.
///
/// FIXME: This really should not be in VMCore.
- unsigned getRelocationInfo() const;
+ PossibleRelocationsTy getRelocationInfo() const;
// Specialize get/setOperand for Constants as their operands are always
// constants as well.
diff --git a/lib/Target/ELFTargetAsmInfo.cpp b/lib/Target/ELFTargetAsmInfo.cpp
index 9e7bb4aee2..284f4cb455 100644
--- a/lib/Target/ELFTargetAsmInfo.cpp
+++ b/lib/Target/ELFTargetAsmInfo.cpp
@@ -62,10 +62,10 @@ ELFTargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
// placed in r/w section.
switch (C->getRelocationInfo()) {
default: break;
- case 1:
+ case Constant::LocalRelocation:
return isConstant ? SectionKind::DataRelROLocal :
SectionKind::DataRelLocal;
- case 2:
+ case Constant::GlobalRelocations:
return isConstant ? SectionKind::DataRelRO : SectionKind::DataRel;
}
}
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 74c31151ac..f94cd9e25f 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -107,22 +107,23 @@ bool Constant::canTrap() const {
/// conservative, so if it might codegen to a relocatable entry, it should say
/// so. The return values are:
///
-/// 0: This constant pool entry is guaranteed to never have a relocation
-/// applied to it (because it holds a simple constant like '4').
-/// 1: This entry has relocations, but the entries are guaranteed to be
-/// resolvable by the static linker, so the dynamic linker will never see
-/// them.
-/// 2: This entry may have arbitrary relocations.
+/// NoRelocation: This constant pool entry is guaranteed to never have a
+/// relocation applied to it (because it holds a simple constant like
+/// '4').
+/// LocalRelocation: This entry has relocations, but the entries are
+/// guaranteed to be resolvable by the static linker, so the dynamic
+/// linker will never see them.
+/// GlobalRelocations: This entry may have arbitrary relocations.
///
/// FIXME: This really should not be in VMCore.
-unsigned Constant::getRelocationInfo() const {
- if (const GlobalValue* GV = dyn_cast<GlobalValue>(this)) {
+Constant::PossibleRelocationsTy Constant::getRelocationInfo() const {
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(this)) {
if (GV->hasLocalLinkage() || GV->hasHiddenVisibility())
- return 1; // Local to this file/library.
- return 2; // Global reference.
+ return LocalRelocation; // Local to this file/library.
+ return GlobalRelocations; // Global reference.
}
- unsigned Result = 0;
+ PossibleRelocationsTy Result = NoRelocation;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
Result = std::max(Result, getOperand(i)->getRelocationInfo());