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Support: split object format out of environment

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This is a preliminary setup change to support a renaming of Windows target
triples.  Split the object file format information out of the environment into a
separate entity.  Unfortunately, file format was previously treated as an
environment with an unknown OS.  This is most obvious in the ARM subtarget where
the handling for macho on an arbitrary platform switches to AAPCS rather than
APCS (as per Apple's needs).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203160 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool
2014-03-06 20:47:11 +00:00
parent 5219b0f586
commit 4eb048a6f1
9 changed files with 96 additions and 26 deletions
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27
include/llvm/ADT/Triple.h
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@@ -124,9 +124,14 @@ public:
CODE16,
EABI,
EABIHF,
MachO,
Android,
ELF
};
enum ObjectFormatType {
UnknownObjectFormat,
COFF,
ELF,
MachO,
};
private:
@@ -144,13 +149,16 @@ private:
/// The parsed Environment type.
EnvironmentType Environment;
/// The object format type.
ObjectFormatType ObjectFormat;
public:
/// @name Constructors
/// @{
/// \brief Default constructor is the same as an empty string and leaves all
/// triple fields unknown.
Triple() : Data(), Arch(), Vendor(), OS(), Environment() {}
Triple() : Data(), Arch(), Vendor(), OS(), Environment(), ObjectFormat() {}
explicit Triple(const Twine &Str);
Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr);
@@ -189,6 +197,9 @@ public:
/// getEnvironment - Get the parsed environment type of this triple.
EnvironmentType getEnvironment() const { return Environment; }
/// getFormat - Get the object format for this triple.
ObjectFormatType getObjectFormat() const { return ObjectFormat; }
/// getOSVersion - Parse the version number from the OS name component of the
/// triple, if present.
///
@@ -344,18 +355,17 @@ public:
/// \brief Tests whether the OS uses the ELF binary format.
bool isOSBinFormatELF() const {
return !isOSBinFormatMachO() && !isOSBinFormatCOFF();
return getObjectFormat() == Triple::ELF;
}
/// \brief Tests whether the OS uses the COFF binary format.
bool isOSBinFormatCOFF() const {
return getEnvironment() != Triple::ELF &&
getEnvironment() != Triple::MachO && isOSWindows();
return getObjectFormat() == Triple::COFF;
}
/// \brief Tests whether the environment is MachO.
bool isOSBinFormatMachO() const {
return getEnvironment() == Triple::MachO || isOSDarwin();
return getObjectFormat() == Triple::MachO;
}
/// @}
@@ -378,6 +388,9 @@ public:
/// to a known type.
void setEnvironment(EnvironmentType Kind);
/// setObjectFormat - Set the object file format
void setObjectFormat(ObjectFormatType Kind);
/// setTriple - Set all components to the new triple \p Str.
void setTriple(const Twine &Str);