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Reset the Subtarget in the AsmPrinter for each machine function

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2014-07-18 00:08:53 +00:00
parent a1fa640525
commit f0b9d0b3ca
2 changed files with 11 additions and 6 deletions
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4
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
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";