[WebAssembly] Implement unaligned loads and stores.
Differential Revision: http://reviews.llvm.org/D16534
llvm-svn: 258779
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
index 6a60280..53f80ea 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h
@@ -58,6 +58,11 @@
VRegStackified.resize(TargetRegisterInfo::virtReg2Index(VReg) + 1);
VRegStackified.set(TargetRegisterInfo::virtReg2Index(VReg));
}
+ void unstackifyVReg(unsigned VReg) {
+ if (TargetRegisterInfo::virtReg2Index(VReg) >= VRegStackified.size())
+ return;
+ VRegStackified.reset(TargetRegisterInfo::virtReg2Index(VReg));
+ }
bool isVRegStackified(unsigned VReg) const {
if (TargetRegisterInfo::virtReg2Index(VReg) >= VRegStackified.size())
return false;