The attached patch does two simple things:
1. Adds the StripDeadPrototypes pass to llvm-backend. When the bitwidth
attribute
patch lands this will be needed.
2. Lines up the comments after each pass insertion.
Reid.
Index: gcc/llvm-backend.cpp
===================================================================
--- gcc/llvm-backend.cpp (revision 272)
+++ gcc/llvm-backend.cpp (working copy)
@@ -260,62 +260,63 @@
HasPerModulePasses = true;
PassManager *PM = PerModulePasses;
if (flag_unit_at_a_time)
- PM->add(createRaiseAllocationsPass()); // call %malloc -> malloc inst
- PM->add(createCFGSimplificationPass()); // Clean up disgusting code
- PM->add(createPromoteMemoryToRegisterPass());// Kill useless allocas
+ PM->add(createRaiseAllocationsPass()); // call %malloc -> malloc inst
+ PM->add(createCFGSimplificationPass()); // Clean up disgusting code
+ PM->add(createPromoteMemoryToRegisterPass()); // Kill useless allocas
if (flag_unit_at_a_time) {
- PM->add(createGlobalOptimizerPass()); // Optimize out global vars
- PM->add(createGlobalDCEPass()); // Remove unused fns and globs
- PM->add(createIPConstantPropagationPass());// IP Constant Propagation
- PM->add(createDeadArgEliminationPass()); // Dead argument elimination
+ PM->add(createGlobalOptimizerPass()); // Optimize out global vars
+ PM->add(createGlobalDCEPass()); // Remove unused fns and globs
+ PM->add(createIPConstantPropagationPass()); // IP Constant Propagation
+ PM->add(createDeadArgEliminationPass()); // Dead argument elimination
}
- PM->add(createInstructionCombiningPass()); // Clean up after IPCP & DAE
+ PM->add(createInstructionCombiningPass()); // Clean up after IPCP & DAE
// DISABLE PREDSIMPLIFY UNTIL PR967 is fixed.
- //PM->add(createPredicateSimplifierPass()); // Canonicalize registers
- PM->add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
+ //PM->add(createPredicateSimplifierPass()); // Canonicalize registers
+ PM->add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
if (flag_unit_at_a_time)
- PM->add(createPruneEHPass()); // Remove dead EH info
+ PM->add(createPruneEHPass()); // Remove dead EH info
if (optimize > 1) {
- if (flag_inline_trees > 1) // respect -fno-inline-functions
- PM->add(createFunctionInliningPass()); // Inline small functions
+ if (flag_inline_trees > 1) // respect -fno-inline-functions
+ PM->add(createFunctionInliningPass()); // Inline small functions
if (flag_unit_at_a_time)
- PM->add(createSimplifyLibCallsPass()); // Library Call Optimizations
+ PM->add(createSimplifyLibCallsPass()); // Library Call Optimizations
if (optimize > 2)
- PM->add(createArgumentPromotionPass()); // Scalarize uninlined fn args
+ PM->add(createArgumentPromotionPass()); // Scalarize uninlined fn args
}
- PM->add(createTailDuplicationPass()); // Simplify cfg by copying code
- PM->add(createInstructionCombiningPass()); // Cleanup for scalarrepl.
- PM->add(createCFGSimplificationPass()); // Merge & remove BBs
- PM->add(createScalarReplAggregatesPass()); // Break up aggregate allocas
- PM->add(createInstructionCombiningPass()); // Combine silly seq's
- PM->add(createCondPropagationPass()); // Propagate conditionals
- PM->add(createTailCallEliminationPass()); // Eliminate tail calls
- PM->add(createCFGSimplificationPass()); // Merge & remove BBs
- PM->add(createReassociatePass()); // Reassociate expressions
- PM->add(createLICMPass()); // Hoist loop invariants
- PM->add(createLoopUnswitchPass()); // Unswitch loops.
- PM->add(createInstructionCombiningPass()); // Clean up after LICM/reassoc
- PM->add(createIndVarSimplifyPass()); // Canonicalize indvars
+ PM->add(createTailDuplicationPass()); // Simplify cfg by copying code
+ PM->add(createInstructionCombiningPass()); // Cleanup for scalarrepl.
+ PM->add(createCFGSimplificationPass()); // Merge & remove BBs
+ PM->add(createScalarReplAggregatesPass()); // Break up aggregate allocas
+ PM->add(createInstructionCombiningPass()); // Combine silly seq's
+ PM->add(createCondPropagationPass()); // Propagate conditionals
+ PM->add(createTailCallEliminationPass()); // Eliminate tail calls
+ PM->add(createCFGSimplificationPass()); // Merge & remove BBs
+ PM->add(createReassociatePass()); // Reassociate expressions
+ PM->add(createLICMPass()); // Hoist loop invariants
+ PM->add(createLoopUnswitchPass()); // Unswitch loops.
+ PM->add(createInstructionCombiningPass()); // Clean up after LICM/reassoc
+ PM->add(createIndVarSimplifyPass()); // Canonicalize indvars
if (flag_unroll_loops)
- PM->add(createLoopUnrollPass()); // Unroll small loops
- PM->add(createInstructionCombiningPass()); // Clean up after the unroller
- PM->add(createLoadValueNumberingPass()); // GVN for load instructions
- PM->add(createGCSEPass()); // Remove common subexprs
- PM->add(createSCCPPass()); // Constant prop with SCCP
+ PM->add(createLoopUnrollPass()); // Unroll small loops
+ PM->add(createInstructionCombiningPass()); // Clean up after the unroller
+ PM->add(createLoadValueNumberingPass()); // GVN for load instructions
+ PM->add(createGCSEPass()); // Remove common subexprs
+ PM->add(createSCCPPass()); // Constant prop with SCCP
// Run instcombine after redundancy elimination to exploit opportunities
// opened up by them.
PM->add(createInstructionCombiningPass());
- PM->add(createCondPropagationPass()); // Propagate conditionals
- PM->add(createDeadStoreEliminationPass()); // Delete dead stores
- PM->add(createAggressiveDCEPass()); // SSA based 'Aggressive DCE'
- PM->add(createCFGSimplificationPass()); // Merge & remove BBs
+ PM->add(createCondPropagationPass()); // Propagate conditionals
+ PM->add(createDeadStoreEliminationPass()); // Delete dead stores
+ PM->add(createAggressiveDCEPass()); // SSA based 'Aggressive DCE'
+ PM->add(createCFGSimplificationPass()); // Merge & remove BBs
if (optimize > 1 && flag_unit_at_a_time)
- PM->add(createConstantMergePass()); // Merge dup global constants
+ PM->add(createConstantMergePass()); // Merge dup global constants
+ PM->add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
}
if (emit_llvm_bc) {
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
