From db8980903717e1127463f00a34cae9bd29f82a91 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 14 Jul 2010 01:22:19 +0000 Subject: Teach ProcessImplicitDefs to transform more COPY instructions into IMPLICIT_DEF (and subsequently eliminate them). This allows machine LICM to hoist IMPLICIT_DEF's. PR7620. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108304 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/ProcessImplicitDefs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/llvm/CodeGen') diff --git a/include/llvm/CodeGen/ProcessImplicitDefs.h b/include/llvm/CodeGen/ProcessImplicitDefs.h index cec867f9e6..30477b9b80 100644 --- a/include/llvm/CodeGen/ProcessImplicitDefs.h +++ b/include/llvm/CodeGen/ProcessImplicitDefs.h @@ -12,6 +12,7 @@ #define LLVM_CODEGEN_PROCESSIMPLICITDEFS_H #include "llvm/CodeGen/MachineFunctionPass.h" +#include "llvm/ADT/SmallSet.h" namespace llvm { @@ -24,7 +25,8 @@ namespace llvm { private: bool CanTurnIntoImplicitDef(MachineInstr *MI, unsigned Reg, - unsigned OpIdx, const TargetInstrInfo *tii_); + unsigned OpIdx, const TargetInstrInfo *tii_, + SmallSet &ImpDefRegs); public: static char ID; -- cgit v1.2.3-70-g09d2