- I->use_empty() can never be true because of the IHolder's
* Fix bug: test/Regression/Transforms/LevelRaise/2002-07-16-SourceAndDestCrash.ll
- Add a new NewCasts member to VMC to keep track of casts that have been
created and to ensure there is always a reference to the cast.
- Extend ValueHandle a bit so it can be used in an STL container
- Make sure we destroy the ValueMapCache before verifying the function
in LevelRaise.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2936 91177308-0d34-0410-b5e6-96231b3b80d8
- Verify the function every time it is exprconverted if DEBUG is on
- Provide a way to start exprconversion AT a specific instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2934 91177308-0d34-0410-b5e6-96231b3b80d8
* Do NOT add a prefix to global variables that are external
* Add newline after emitting a constpointerref
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2925 91177308-0d34-0410-b5e6-96231b3b80d8
* The global variable cannot be internal or else we cannot use it!
* Always add a function to the table, even if it only has a single basic
block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2921 91177308-0d34-0410-b5e6-96231b3b80d8
Also, avoid asserting out when writing out an invalid tree
since the assembly writer is used when debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2902 91177308-0d34-0410-b5e6-96231b3b80d8
constants using operators such as cast, getelementptr, add, shl, etc.
Note that a ConstantExpr can be of any type, so classof() in most
other subclasses (that discriminate by type) have to check that it
is also not a ConstantExpr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2901 91177308-0d34-0410-b5e6-96231b3b80d8
can be invoked with only an opcode (i.e., without an instruction).
Move all opCode->opCodeName translations there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2900 91177308-0d34-0410-b5e6-96231b3b80d8
may be constructed by expressions of other types (and so the
contents of the primitive type planes must come after all types).
Use a helper function outputConstantsInPlane in outputConstants to
do this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2898 91177308-0d34-0410-b5e6-96231b3b80d8
Add class ConstantFwdRefs to resolve forward references to constants
and to globals. (Hmm... this class could be renamed I guess.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2896 91177308-0d34-0410-b5e6-96231b3b80d8
Add class ConstantFwdRefs to resolve forward references to constants
and to globals (unified old code for globals into this).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2895 91177308-0d34-0410-b5e6-96231b3b80d8
(Major new non-terminal is ConstExpr.)
Add YYERROR_VERBOSE and print additional information on errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2894 91177308-0d34-0410-b5e6-96231b3b80d8
* Print the globals list in the node
* Print the scalars in the scalar node
* Eliminate Scalar "label" edges in the graph
* Print fake edges lighter instead of dotted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2880 91177308-0d34-0410-b5e6-96231b3b80d8
* Only dead-node-eliminate nodes with no flags
* Don't merge scalars, only merge what they point to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2878 91177308-0d34-0410-b5e6-96231b3b80d8
and generate actual machine instruction sequences directly.
Also a couple of bug fixes in code for putting constants into registers:
-- Do *not* sign-extend unsigned constant that is shorter than int reg size
-- Fix handling of address constant (a GlobalValue) vs. constant that
must be loaded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2856 91177308-0d34-0410-b5e6-96231b3b80d8
-- FP argument to a function with no prototype going on stack
was not being copied to the stack in colorCallArgs().
-- Put caller-saving code *before* argument copying code so that
we don't trash a register before saving it!
-- Two other minor fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2855 91177308-0d34-0410-b5e6-96231b3b80d8
changes in class MachineRegInfo (see MachineRegInfo.h for details).
Added {LD,ST}[X]FSR instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2839 91177308-0d34-0410-b5e6-96231b3b80d8
basic block.
Mark setCCInstr used as dest. of conditional-move as both a def and a use.
BA instruction no longer has the unused CC argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2836 91177308-0d34-0410-b5e6-96231b3b80d8
handle conditional move instructions:
-- cpMem<->Reg functions now support CC registers (int and FP) correctly.
Also, cpMem<->Reg functions now return a vector of machine instructions.
-- Scratch registers must be explicitly provided to cpMem<->Reg when
needed, since CC regs need one to be copied to/from memory.
-- CC regs are saved to a scratch register instead of stack.
-- All regs used by a instruction are now recorded in MachineInstr::regsUsed,
since regs used to save values *across* an instruction are not obvious
either from the operands or from the LiveVar sets.
-- An (explicit or implicit) operand may now be both a def and a use.
This is needed for conditional move operations.
So an operand may need spill code both before and after the instruction.
Other changes:
-- Added several get{Class,Type} functions.
-- Added unified-to-local register number conversion.
-- class MachineCodeForBasicBlock is now an annotation on BasicBlock.
-- Suggest/Color methods may modify the MachineInstr (and always did),
so don't make that argument const!
-- Caller-saving code doesn't need its special purpose code for
handling CC registers since cpMem<->Reg handle those correctly now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2834 91177308-0d34-0410-b5e6-96231b3b80d8
handle conditional move instructions:
-- cpMem<->Reg functions now support CC registers (int and FP) correctly.
-- Scratch registers must be explicitly provided to cpMem<->Reg when
needed, since CC regs need one to be copied to/from memory.
-- CC regs are saved to a scratch register instead of stack.
-- All regs used by a instruction are now recorded in MachineInstr::regsUsed,
since regs used to save values *across* an instruction are not obvious
either from the operands or from the LiveVar sets.
-- An (explicit or implicit) operand may now be both a def and a use.
This is needed for conditional move operations.
So an operand may need spill code both before and after the instruction.
-- class MachineCodeForBasicBlock is now an annotation on BasicBlock.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2833 91177308-0d34-0410-b5e6-96231b3b80d8
because operands may be modified directly to set register.
Also, class MachineCodeForBasicBlock is now an annotation on BasicBlock.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2832 91177308-0d34-0410-b5e6-96231b3b80d8
so additional dep. edges have to be added.
This was needed to correctly handle conditional move instructions!
MachineCodeForBasicBlock is now an annotation on BasicBlock.
Renamed "earliestForNode" to "earliestReadyTimeForNode".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2826 91177308-0d34-0410-b5e6-96231b3b80d8
An (explicit or implicit) operand may now be both a def and a use.
Also add a set of regs used by each instruction.
dump() no longer takes an optional argument, which doesn't work in gdb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2821 91177308-0d34-0410-b5e6-96231b3b80d8
