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FastEmitInst_extractsubreg doesn't need to be passed the register class. It can get it from MachineRegisterInfo instead.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55476 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2008-08-28 17:47:37 +00:00
parent f641395435
commit 40a468f249
2 changed files with 3 additions and 4 deletions
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3
include/llvm/CodeGen/FastISel.h
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@@ -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,

4
lib/CodeGen/SelectionDAG/FastISel.cpp
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@@ -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);