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Unified Diff: src/IceTargetLoweringMIPS32.cpp

Issue 1176133004: implement the null function for the Mips32 subzero compiler (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Fixing patch per review comments Created 5 years, 5 months ago
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Index: src/IceTargetLoweringMIPS32.cpp
diff --git a/src/IceTargetLoweringMIPS32.cpp b/src/IceTargetLoweringMIPS32.cpp
index 6c0793f455684162f6de926a9d3c3cbb044bde1e..a7e85a8f7c76dfe7dba1e40ebc4489b52af35dae 100644
--- a/src/IceTargetLoweringMIPS32.cpp
+++ b/src/IceTargetLoweringMIPS32.cpp
@@ -31,6 +31,17 @@
namespace Ice {
+namespace {
+void UnimplementedError(const ClFlags &Flags) {
+ if (!Flags.getSkipUnimplemented()) {
+ // Use llvm_unreachable instead of report_fatal_error, which gives better
+ // stack traces.
+ llvm_unreachable("Not yet implemented");
+ abort();
+ }
+}
+} // end of anonymous namespace
+
TargetMIPS32::TargetMIPS32(Cfg *Func) : TargetLowering(Func) {
// TODO: Don't initialize IntegerRegisters and friends every time.
// Instead, initialize in some sort of static initializer for the
@@ -205,7 +216,8 @@ void TargetMIPS32::translateOm1() {
bool TargetMIPS32::doBranchOpt(Inst *I, const CfgNode *NextNode) {
(void)I;
(void)NextNode;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
+ return false;
}
IceString TargetMIPS32::RegNames[] = {
@@ -247,23 +259,25 @@ void TargetMIPS32::emitVariable(const Variable *Var) const {
Ostream &Str = Ctx->getStrEmit();
(void)Var;
(void)Str;
- llvm::report_fatal_error("emitVariable: Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerArguments() {
- llvm::report_fatal_error("lowerArguments: Not yet implemented");
+ VarList &Args = Func->getArgs();
+ if (Args.size() > 0)
+ UnimplementedError(Func->getContext()->getFlags());
}
Type TargetMIPS32::stackSlotType() { return IceType_i32; }
void TargetMIPS32::addProlog(CfgNode *Node) {
(void)Node;
- llvm::report_fatal_error("addProlog: Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::addEpilog(CfgNode *Node) {
(void)Node;
- llvm::report_fatal_error("addEpilog: Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
llvm::SmallBitVector TargetMIPS32::getRegisterSet(RegSetMask Include,
@@ -305,84 +319,84 @@ void TargetMIPS32::lowerAlloca(const InstAlloca *Inst) {
// restriction can be relaxed in some cases.
NeedsStackAlignment = true;
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerArithmetic(const InstArithmetic *Inst) {
switch (Inst->getOp()) {
case InstArithmetic::_num:
- llvm_unreachable("Unknown arithmetic operator");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Add:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::And:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Or:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Xor:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Sub:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Mul:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Shl:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Lshr:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Ashr:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Udiv:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Sdiv:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Urem:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Srem:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Fadd:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Fsub:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Fmul:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Fdiv:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstArithmetic::Frem:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
}
void TargetMIPS32::lowerAssign(const InstAssign *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerBr(const InstBr *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerCall(const InstCall *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerCast(const InstCast *Inst) {
@@ -392,39 +406,39 @@ void TargetMIPS32::lowerCast(const InstCast *Inst) {
Func->setError("Cast type not supported");
return;
case InstCast::Sext: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
case InstCast::Zext: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
case InstCast::Trunc: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
case InstCast::Fptrunc:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstCast::Fpext: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
case InstCast::Fptosi:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstCast::Fptoui:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstCast::Sitofp:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
case InstCast::Uitofp: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
case InstCast::Bitcast: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
break;
}
}
@@ -432,72 +446,72 @@ void TargetMIPS32::lowerCast(const InstCast *Inst) {
void TargetMIPS32::lowerExtractElement(const InstExtractElement *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerFcmp(const InstFcmp *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerIcmp(const InstIcmp *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerInsertElement(const InstInsertElement *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerIntrinsicCall(const InstIntrinsicCall *Instr) {
switch (Intrinsics::IntrinsicID ID = Instr->getIntrinsicInfo().ID) {
case Intrinsics::AtomicCmpxchg: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::AtomicFence:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
case Intrinsics::AtomicFenceAll:
// NOTE: FenceAll should prevent and load/store from being moved
// across the fence (both atomic and non-atomic). The InstMIPS32Mfence
// instruction is currently marked coarsely as "HasSideEffects".
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
case Intrinsics::AtomicIsLockFree: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::AtomicLoad: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::AtomicRMW:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
case Intrinsics::AtomicStore: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Bswap: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Ctpop: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Ctlz: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Cttz: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Fabs: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Longjmp: {
@@ -542,7 +556,7 @@ void TargetMIPS32::lowerIntrinsicCall(const InstIntrinsicCall *Instr) {
}
case Intrinsics::NaClReadTP: {
if (Ctx->getFlags().getUseSandboxing()) {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
} else {
InstCall *Call = makeHelperCall(H_call_read_tp, Instr->getDest(), 0);
lowerCall(Call);
@@ -556,19 +570,19 @@ void TargetMIPS32::lowerIntrinsicCall(const InstIntrinsicCall *Instr) {
return;
}
case Intrinsics::Sqrt: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Stacksave: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Stackrestore: {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
}
case Intrinsics::Trap:
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
return;
case Intrinsics::UnknownIntrinsic:
Func->setError("Should not be lowering UnknownIntrinsic");
@@ -579,17 +593,17 @@ void TargetMIPS32::lowerIntrinsicCall(const InstIntrinsicCall *Instr) {
void TargetMIPS32::lowerLoad(const InstLoad *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::doAddressOptLoad() {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::randomlyInsertNop(float Probability) {
RandomNumberGeneratorWrapper RNG(Ctx->getRNG());
if (RNG.getTrueWithProbability(Probability)) {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
}
@@ -598,31 +612,33 @@ void TargetMIPS32::lowerPhi(const InstPhi * /*Inst*/) {
}
void TargetMIPS32::lowerRet(const InstRet *Inst) {
- (void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ Variable *Reg = nullptr;
+ if (Inst->hasRetValue())
+ UnimplementedError(Func->getContext()->getFlags());
+ _ret(getPhysicalRegister(RegMIPS32::Reg_RA), Reg);
}
void TargetMIPS32::lowerSelect(const InstSelect *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerStore(const InstStore *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::doAddressOptStore() {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerSwitch(const InstSwitch *Inst) {
(void)Inst;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::lowerUnreachable(const InstUnreachable * /*Inst*/) {
- llvm_unreachable("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
// Turn an i64 Phi instruction into a pair of i32 Phi instructions, to
@@ -630,7 +646,7 @@ void TargetMIPS32::lowerUnreachable(const InstUnreachable * /*Inst*/) {
// turned into zeroes, since loOperand() and hiOperand() don't expect
// Undef input.
void TargetMIPS32::prelowerPhis() {
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
// Lower the pre-ordered list of assignments into mov instructions.
@@ -639,7 +655,7 @@ void TargetMIPS32::lowerPhiAssignments(CfgNode *Node,
const AssignList &Assignments) {
(void)Node;
(void)Assignments;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::postLower() {
@@ -647,7 +663,7 @@ void TargetMIPS32::postLower() {
return;
// Find two-address non-SSA instructions where Dest==Src0, and set
// the DestNonKillable flag to keep liveness analysis consistent.
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
void TargetMIPS32::makeRandomRegisterPermutation(
@@ -655,7 +671,7 @@ void TargetMIPS32::makeRandomRegisterPermutation(
const llvm::SmallBitVector &ExcludeRegisters) const {
(void)Permutation;
(void)ExcludeRegisters;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Func->getContext()->getFlags());
}
/* TODO(jvoung): avoid duplicate symbols with multiple targets.
@@ -694,7 +710,7 @@ void TargetDataMIPS32::lowerGlobals(const VariableDeclarationList &Vars,
void TargetDataMIPS32::lowerConstants() {
if (Ctx->getFlags().getDisableTranslation())
return;
- llvm::report_fatal_error("Not yet implemented");
+ UnimplementedError(Ctx->getFlags());
}
TargetHeaderMIPS32::TargetHeaderMIPS32(GlobalContext *Ctx)

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