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[ARM] Pass a callback to FunctionPass constructors to enable skipping execution

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on a per-function basis.

Previously some of the passes were conditionally added to ARM's pass pipeline
based on the target machine's subtarget. This patch makes changes to add those
passes unconditionally and execute them conditonally based on the predicate
functor passed to the pass constructors. This enables running different sets of
passes for different functions in the module.

rdar://problem/20542263

Differential Revision: http://reviews.llvm.org/D8717


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239325 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2015-06-08 18:50:43 +00:00
parent d354befbbb
commit fa6bc2e94d
9 changed files with 97 additions and 26 deletions
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6
include/llvm/CodeGen/Passes.h
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@ -21,7 +21,6 @@
namespace llvm {
class FunctionPass;
class MachineFunctionPass;
class PassConfigImpl;
class PassInfo;
@ -519,6 +518,8 @@ namespace llvm {
/// IfConverter - This pass performs machine code if conversion.
extern char &IfConverterID;
FunctionPass *createIfConverter(std::function<bool(const Function &)> Ftor);
/// MachineBlockPlacement - This pass places basic blocks based on branch
/// probabilities.
extern char &MachineBlockPlacementID;
@ -613,6 +614,9 @@ namespace llvm {
/// UnpackMachineBundles - This pass unpack machine instruction bundles.
extern char &UnpackMachineBundlesID;
FunctionPass *
createUnpackMachineBundles(std::function<bool(const Function &)> Ftor);
/// FinalizeMachineBundles - This pass finalize machine instruction
/// bundles (created earlier, e.g. during pre-RA scheduling).
extern char &FinalizeMachineBundlesID;