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Reset the Subtarget in the AsmPrinter for each machine function 

and add explanatory comment about dual initialization. Fix
use of the Subtarget to grab the information off of the target machine.

llvm-svn: 213336
This commit is contained in:
Eric Christopher 2014-07-18 00:08:53 +00:00
parent 7394e23423
commit 8ef7a6a15b
2 changed files with 11 additions and 6 deletions
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4
llvm/lib/Target/Mips/MipsAsmPrinter.cpp
View File

@ -58,6 +58,8 @@ MipsTargetStreamer &MipsAsmPrinter::getTargetStreamer() {
}
bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
Subtarget = &TM.getSubtarget<MipsSubtarget>();
// Initialize TargetLoweringObjectFile.
if (Subtarget->allowMixed16_32())
const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
@ -672,7 +674,7 @@ void MipsAsmPrinter::EmitStartOfAsmFile(Module &M) {
bool IsABICalls = true;
if (IsABICalls) {
getTargetStreamer().emitDirectiveAbiCalls();
Reloc::Model RM = Subtarget->getRelocationModel();
Reloc::Model RM = TM.getRelocationModel();
// FIXME: This condition should be a lot more complicated that it is here.
// Ideally it should test for properties of the ABI and not the ABI
// itself.

13
llvm/lib/Target/Mips/MipsAsmPrinter.h
View File

@ -89,11 +89,14 @@ public:
const MipsFunctionInfo *MipsFI;
MipsMCInstLower MCInstLowering;
explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
: AsmPrinter(TM, Streamer), MCP(nullptr), InConstantPool(false),
MCInstLowering(*this) {
Subtarget = &TM.getSubtarget<MipsSubtarget>();
}
// We initialize the subtarget here and in runOnMachineFunction
// since there are certain target specific flags (ABI) that could
// reside on the TargetMachine, but are on the subtarget currently
// and we need them for the beginning of file output before we've
// seen a single function.
explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
: AsmPrinter(TM, Streamer), MCP(nullptr), InConstantPool(false),
Subtarget(&TM.getSubtarget<MipsSubtarget>()), MCInstLowering(*this) {}
const char *getPassName() const override {
return "Mips Assembly Printer";