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[WebAssembly] Cleaned up register accessors in WebAssemblyMachineFunctionInfo.h

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Tested: llvm-lit -v `find test -name WebAssembly`

(This is a commit access "test commit" :)

llvm-svn: 334979
This commit is contained in:
Wouter van Oortmerssen 2018-06-18 20:45:49 +00:00
parent 5351d7dca9
commit 5f69877632
1 changed files with 14 additions and 10 deletions
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24
lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
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@ -83,25 +83,29 @@ class WebAssemblyFunctionInfo final : public MachineFunctionInfo {
void stackifyVReg(unsigned VReg) {
assert(MF.getRegInfo().getUniqueVRegDef(VReg));
if (TargetRegisterInfo::virtReg2Index(VReg) >= VRegStackified.size())
VRegStackified.resize(TargetRegisterInfo::virtReg2Index(VReg) + 1);
VRegStackified.set(TargetRegisterInfo::virtReg2Index(VReg));
auto I = TargetRegisterInfo::virtReg2Index(VReg);
if (I >= VRegStackified.size())
VRegStackified.resize(I + 1);
VRegStackified.set(I);
}
bool isVRegStackified(unsigned VReg) const {
if (TargetRegisterInfo::virtReg2Index(VReg) >= VRegStackified.size())
auto I = TargetRegisterInfo::virtReg2Index(VReg);
if (I >= VRegStackified.size())
return false;
return VRegStackified.test(TargetRegisterInfo::virtReg2Index(VReg));
return VRegStackified.test(I);
}
void initWARegs();
void setWAReg(unsigned VReg, unsigned WAReg) {
assert(WAReg != UnusedReg);
assert(TargetRegisterInfo::virtReg2Index(VReg) < WARegs.size());
WARegs[TargetRegisterInfo::virtReg2Index(VReg)] = WAReg;
auto I = TargetRegisterInfo::virtReg2Index(VReg);
assert(I < WARegs.size());
WARegs[I] = WAReg;
}
unsigned getWAReg(unsigned Reg) const {
assert(TargetRegisterInfo::virtReg2Index(Reg) < WARegs.size());
return WARegs[TargetRegisterInfo::virtReg2Index(Reg)];
unsigned getWAReg(unsigned VReg) const {
auto I = TargetRegisterInfo::virtReg2Index(VReg);
assert(I < WARegs.size());
return WARegs[I];
}
// For a given stackified WAReg, return the id number to print with push/pop.