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Make getMinimalPhysRegClass' comment mention what makes it different

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from getPhysicalRegisterRegClass.

llvm-svn: 107660
This commit is contained in:
Dan Gohman 2010-07-06 15:31:55 +00:00
parent 33f0f11376
commit c88c36181f
2 changed files with 4 additions and 2 deletions
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3
include/llvm/Target/TargetRegisterInfo.h
View File

@ -320,7 +320,8 @@ public:
getPhysicalRegisterRegClass(unsigned Reg, EVT VT = MVT::Other) const;
/// 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 *
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
/// 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 *
TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const {
assert(isPhysicalRegister(reg) && "reg must be a physical register");