assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG bu

assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379

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DebugLabelFolder ruthlessly deletes redundant labels. However, sometimes the redundant labels is referenced by debug info somewhere else. This patch provies a way so that dwarf writer can mark labels

DebugLabelFolder ruthlessly deletes redundant labels. However, sometimes the redundant labels is referenced by debug info somewhere else. This patch provies a way so that dwarf writer can mark labels as used.

llvm-svn: 68813

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Remove dead code.

llvm-svn: 63653

Rename getAnalysisToUpdate to getAnalysisIfAvailable.

llvm-svn: 63198

Removoe MachineModuleInfo methods (and related DebugInfoDesc class hierarchy) that were used to handle debug info.

llvm-svn: 62199

Keep "has debug info" big in MachineModuleInfo to avoid circular dependency between AsmPrinter and CodeGen.

llvm-svn: 62191

Fix a couple of Dwarf bugs.
- Emit DW_AT_byte_size for struct and union of size zero.
- Emit DW_AT_declaration for forward type declaration.

llvm-svn: 60812

Fix an over aggressive assumption that struct decls will have a pointer to
an array that is empty. Instead of requiring this array, allow a null pointer.
This shrinks all forward references of struc

Fix an over aggressive assumption that struct decls will have a pointer to
an array that is empty. Instead of requiring this array, allow a null pointer.
This shrinks all forward references of structs.

llvm-svn: 58959

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Move the include of MachineLocation.h into MachineModuleInfo.h
because it declares a std::vector<MachineMove>, and strict
concept checking requires the definition of MachineMove to be
available.

llv

Move the include of MachineLocation.h into MachineModuleInfo.h
because it declares a std::vector<MachineMove>, and strict
concept checking requires the definition of MachineMove to be
available.

llvm-svn: 57617

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Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators.

llvm-svn: 56475

Mark several codegen passes as preserving all analysis.

llvm-svn: 56469

Tidy up several unbeseeming casts from pointer to intptr_t.

llvm-svn: 55779

Make the DICountVisitor not a visitor. This keeps us from calling virtual
functions and junk.

llvm-svn: 53279

Use the canonical way to get an empty structure.

llvm-svn: 53206

Use StringMap for greater justice!

llvm-svn: 53202

Don't return std::vector by value, but pass it in by reference to be filled.

llvm-svn: 53123

Revert my previous check-in that split up MachineModuleInfo. It turns out to
slow the compiler down at -O0 some 30% or more. Ooops.

llvm-svn: 53120

Use the canonical form for getting an empty structure.

llvm-svn: 53003

Sorry. I couldn't sleep at night knowing I put these ugly casts into the source tree.

llvm-svn: 53001

- Update comments.
- Don't use GlobalVariable::LinkageTypes when unsigned works.

llvm-svn: 52987

- Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.
- Correctly handle memcpy from constant string whic

- Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.
- Correctly handle memcpy from constant string which is zero-initialized.

llvm-svn: 52891

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Revert (52748 and friends):

Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of rout

Revert (52748 and friends):

Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

llvm-svn: 52884

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Reduce number of times .size() is called on a vector. Rename some variables to
match normal naming scheme.

llvm-svn: 52820

Cruft left from patch revert...sorry. :-(

llvm-svn: 52808

Reverting broken patch r52803.

llvm-svn: 52806