[PATCH] D47307: AMDGPU: Split R600 MCInst lowering into its own class
Tom Stellard via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 23 20:50:52 PDT 2018
tstellar created this revision.
tstellar added reviewers: arsenm, nhaehnle.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, wdng, kzhuravl.
Repository:
rL LLVM
https://reviews.llvm.org/D47307
Files:
lib/Target/AMDGPU/AMDGPUMCInstLower.cpp
Index: lib/Target/AMDGPU/AMDGPUMCInstLower.cpp
===================================================================
--- lib/Target/AMDGPU/AMDGPUMCInstLower.cpp
+++ lib/Target/AMDGPU/AMDGPUMCInstLower.cpp
@@ -41,14 +41,14 @@
class AMDGPUMCInstLower {
MCContext &Ctx;
- const AMDGPUSubtarget &ST;
+ const TargetSubtargetInfo &ST;
const AsmPrinter ≈
const MCExpr *getLongBranchBlockExpr(const MachineBasicBlock &SrcBB,
const MachineOperand &MO) const;
public:
- AMDGPUMCInstLower(MCContext &ctx, const AMDGPUSubtarget &ST,
+ AMDGPUMCInstLower(MCContext &ctx, const TargetSubtargetInfo &ST,
const AsmPrinter &AP);
bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
@@ -58,11 +58,22 @@
};
+class R600MCInstLower : public AMDGPUMCInstLower {
+public:
+ R600MCInstLower(MCContext &ctx, const R600Subtarget &ST,
+ const AsmPrinter &AP);
+
+ /// Lower a MachineInstr to an MCInst
+ void lower(const MachineInstr *MI, MCInst &OutMI) const;
+};
+
+
} // End anonymous namespace
#include "AMDGPUGenMCPseudoLowering.inc"
-AMDGPUMCInstLower::AMDGPUMCInstLower(MCContext &ctx, const AMDGPUSubtarget &st,
+AMDGPUMCInstLower::AMDGPUMCInstLower(MCContext &ctx,
+ const TargetSubtargetInfo &st,
const AsmPrinter &ap):
Ctx(ctx), ST(st), AP(ap) { }
@@ -153,7 +164,7 @@
void AMDGPUMCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const {
unsigned Opcode = MI->getOpcode();
- const auto *TII = ST.getInstrInfo();
+ const auto *TII = static_cast<const SIInstrInfo*>(ST.getInstrInfo());
// FIXME: Should be able to handle this with emitPseudoExpansionLowering. We
// need to select it to the subtarget specific version, and there's no way to
@@ -325,9 +336,22 @@
}
}
+R600MCInstLower::R600MCInstLower(MCContext &Ctx, const R600Subtarget &ST,
+ const AsmPrinter &AP) :
+ AMDGPUMCInstLower(Ctx, ST, AP) { }
+
+void R600MCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const {
+ OutMI.setOpcode(MI->getOpcode());
+ for (const MachineOperand &MO : MI->explicit_operands()) {
+ MCOperand MCOp;
+ lowerOperand(MO, MCOp);
+ OutMI.addOperand(MCOp);
+ }
+}
+
void R600AsmPrinter::EmitInstruction(const MachineInstr *MI) {
const R600Subtarget &STI = MF->getSubtarget<R600Subtarget>();
- AMDGPUMCInstLower MCInstLowering(OutContext, STI, *this);
+ R600MCInstLower MCInstLowering(OutContext, STI, *this);
StringRef Err;
if (!STI.getInstrInfo()->verifyInstruction(*MI, Err)) {
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