FastEmitInst_extractsubreg doesn't need to be passed the register class. It can...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55476 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index fcd970b84041c3a2d1d1ae8a526c5297ea44db8c..20a923b1de9c0d65879e24b99997279b65884c31 100644 (file)
--- a/include/llvm/CodeGen/FastISel.h
+++ b/include/llvm/CodeGen/FastISel.h
@@ -195,8 +195,7 @@ protected:
 
   /// FastEmitInst_extractsubreg - Emit a MachineInstr for an extract_subreg
   /// from a specified index of a superregister.
-  unsigned FastEmitInst_extractsubreg(const TargetRegisterClass *RC,
-                                      unsigned Op0, uint32_t Idx);
+  unsigned FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx);
 
 private:
   unsigned getRegForValue(Value *V,

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 2dd228249b3e5cb2389dbd5142f782a26a5ef63a..4dbfadcd160e3b5aa7f2e38396c74d19c7e86ef8 100644 (file)
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -587,8 +587,8 @@ unsigned FastISel::FastEmitInst_i(unsigned MachineInstOpcode,
   return ResultReg;
 }
 
-unsigned FastISel::FastEmitInst_extractsubreg(const TargetRegisterClass *RC,
-                                              unsigned Op0, uint32_t Idx) {
+unsigned FastISel::FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx) {
+  const TargetRegisterClass* RC = MRI.getRegClass(Op0);
   const TargetRegisterClass* SRC = *(RC->subregclasses_begin()+Idx-1);
   
   unsigned ResultReg = createResultReg(SRC);