Move size and alignment information of regclass to TargetRegisterInfo
1. RegisterClass::getSize() is split into two functions:
- TargetRegisterInfo::getRegSizeInBits(const TargetRegisterClass &RC) const;
- TargetRegisterInfo::getSpillSize(const TargetRegisterClass &RC) const;
2. RegisterClass::getAlignment() is replaced by:
- TargetRegisterInfo::getSpillAlignment(const TargetRegisterClass &RC) const;
This will allow making those values depend on subtarget features in the
future.
Differential Revision: https://reviews.llvm.org/D31783
llvm-svn: 301221
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index 036f5d2..b847781 100644
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -2149,7 +2149,8 @@
if (!LHSReg || !RHSReg)
return false;
- unsigned Opc = X86::getCMovFromCond(CC, RC->getSize());
+ const TargetRegisterInfo &TRI = *Subtarget->getRegisterInfo();
+ unsigned Opc = X86::getCMovFromCond(CC, TRI.getRegSizeInBits(*RC)/8);
unsigned ResultReg = fastEmitInst_rr(Opc, RC, RHSReg, RHSIsKill,
LHSReg, LHSIsKill);
updateValueMap(I, ResultReg);