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Make getMinimalPhysRegClass' comment mention what makes it different

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from getPhysicalRegisterRegClass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107660 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-07-06 15:31:55 +00:00
parent ff70fe40aa
commit c2af869d62
2 changed files with 4 additions and 2 deletions
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3
include/llvm/Target/TargetRegisterInfo.h
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@ -320,7 +320,8 @@ public:
getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const; getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
/// getMinimalPhysRegClass - Returns the Register Class of a physical /// getMinimalPhysRegClass - Returns the Register Class of a physical
/// register of the given type. /// register of the given type, picking the most sub register class of
/// the right type that contains this physreg.
const TargetRegisterClass * const TargetRegisterClass *
getMinimalPhysRegClass(unsigned Reg, EVT VT = MVT::Other) const; getMinimalPhysRegClass(unsigned Reg, EVT VT = MVT::Other) const;

3
lib/Target/TargetRegisterInfo.cpp
View File

@ -61,7 +61,8 @@ TargetRegisterInfo::getPhysicalRegisterRegClass(unsigned reg, EVT VT) const {
} }
/// getMinimalPhysRegClass - Returns the Register Class of a physical /// getMinimalPhysRegClass - Returns the Register Class of a physical
/// register of the given type. /// register of the given type, picking the most sub register class of
/// the right type that contains this physreg.
const TargetRegisterClass * const TargetRegisterClass *
TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const { TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const {
assert(isPhysicalRegister(reg) && "reg must be a physical register"); assert(isPhysicalRegister(reg) && "reg must be a physical register");