IRGenOptions (Jikes RVM API)

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org.jikesrvm.compilers.opt.bc2ir
Interface IRGenOptions

All Known Implementing Classes:: BBSet, BC2IR

public interface IRGenOptions

This interface contains flags to control IR generation.

See Also:: BC2IR

Field Summary
`static boolean`	`CF_CHECKCAST` Control on constant folding during IR generation
`static boolean`	`CF_CHECKSTORE` Control on constant folding during IR generation
`static boolean`	`CF_DOUBLECMP` Control on constant folding during IR generation
`static boolean`	`CF_FLOATCMP` Control on constant folding during IR generation
`static boolean`	`CF_INSTANCEOF` Control on constant folding during IR generation
`static boolean`	`CF_INTIF` Control on constant folding during IR generation
`static boolean`	`CF_INTIFCMP` Control on constant folding during IR generation
`static boolean`	`CF_LONGCMP` Control on constant folding during IR generation
`static boolean`	`CF_LOOKUPSWITCH` Control on constant folding during IR generation
`static boolean`	`CF_REFIF` Control on constant folding during IR generation
`static boolean`	`CF_REFIFCMP` Control on constant folding during IR generation
`static boolean`	`CF_TABLESWITCH` Control on constant folding during IR generation
`static boolean`	`CP_IN_LOCALS` Do we allow constants to live in local variables?
`static boolean`	`DBG_ALL` Master debug flag for IR gen.
`static boolean`	`DBG_BB` Debug flag: basic blocks
`static boolean`	`DBG_BBSET` Debug flag: basic block set operations
`static boolean`	`DBG_BCPARSE` Debug flag: bytecode parsing
`static boolean`	`DBG_CF` Debug flag: control flow
`static boolean`	`DBG_CFG` Debug flag: cfg
`static boolean`	`DBG_ELIMCOPY` Debug flag: elim copy to locals
`static boolean`	`DBG_ELIMNULL` Debug flag: elim null checks
`static boolean`	`DBG_EX` Debug flag: exception handlers
`static boolean`	`DBG_FLATTEN` Debug flag: flattening
`static boolean`	`DBG_INLINE_JSR` Debug flag: jsr inlining
`static boolean`	`DBG_INSTR` Debug flag: print instructions as they are generated
`static boolean`	`DBG_LOCAL` Debug flag: local var rectification
`static boolean`	`DBG_OPERAND_LATTICE` Debug flag: operand lattice functions
`static boolean`	`DBG_REGEN` Debug flag: block regeneration
`static boolean`	`DBG_STACK` Debug flag: stack rectification
`static boolean`	`DBG_TYPE` Debug flag: type analysis
`static boolean`	`ELIM_COPY_LOCALS` Do we eliminate copies to local variables?
`static boolean`	`LOCALS_ON_STACK` Do we allow locals to live on the stack?
`static int`	`MAX_RETURN_ADDRESSES` How many return addresses will we allow in the local variables of a basic block before we decide that we should bail out to prevent exponential blowup in code space & compile time?

Field Detail

LOCALS_ON_STACK

static final boolean LOCALS_ON_STACK

Do we allow locals to live on the stack?

See Also:: Constant Field Values

ELIM_COPY_LOCALS

static final boolean ELIM_COPY_LOCALS

Do we eliminate copies to local variables?

See Also:: Constant Field Values

CP_IN_LOCALS

static final boolean CP_IN_LOCALS

Do we allow constants to live in local variables?

See Also:: Constant Field Values

MAX_RETURN_ADDRESSES

static final int MAX_RETURN_ADDRESSES

How many return addresses will we allow in the local variables of a basic block before we decide that we should bail out to prevent exponential blowup in code space & compile time?

See Also:: Constant Field Values