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CodeGen: do not attempt to invalidate virtual registers for zero-sized phis.
[oota-llvm.git]
/
include
/
llvm
/
CodeGen
/
FunctionLoweringInfo.h
diff --git
a/include/llvm/CodeGen/FunctionLoweringInfo.h
b/include/llvm/CodeGen/FunctionLoweringInfo.h
index 1ce099eef99377f2870f07d64a314b0f86ad1415..06cd12f491292459bf8afb03b42014a0f31052c8 100644
(file)
--- a/
include/llvm/CodeGen/FunctionLoweringInfo.h
+++ b/
include/llvm/CodeGen/FunctionLoweringInfo.h
@@
-206,6
+206,9
@@
public:
return;
unsigned Reg = It->second;
+ if (Reg == 0)
+ return;
+
LiveOutRegInfo.grow(Reg);
LiveOutRegInfo[Reg].IsValid = false;
}