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add an assertion

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19290 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-01-05 16:27:34 +00:00
parent 0539313fe5
commit d34b257692
1 changed files with 1 additions and 0 deletions
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include/llvm/CodeGen/SSARegMap.h
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@ -39,6 +39,7 @@ class SSARegMap {
/// function with the specified register class. /// function with the specified register class.
/// ///
unsigned createVirtualRegister(const TargetRegisterClass *RegClass) { unsigned createVirtualRegister(const TargetRegisterClass *RegClass) {
assert(RegClass && "Cannot create register without RegClass!");
RegClassMap.grow(NextRegNum); RegClassMap.grow(NextRegNum);
RegClassMap[NextRegNum] = RegClass; RegClassMap[NextRegNum] = RegClass;
return NextRegNum++; return NextRegNum++;