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| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-24 23:28:21 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-24 23:28:21 +0000 |
| commit | 6e225173c55c13d7b107d6768a927d4910c7172e (patch) | |
| tree | a0294debc46f80230a30bd872e22643465423c96 /llvm/lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | 6306183df382346040decb148653da49dd6f77b4 (diff) | |
| download | bcm5719-llvm-6e225173c55c13d7b107d6768a927d4910c7172e.tar.gz bcm5719-llvm-6e225173c55c13d7b107d6768a927d4910c7172e.zip | |
Add an assertion to catch register of illegal class.
llvm-svn: 48751
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLinearScan.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index 2713771ceb2..6925de3abf1 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp @@ -886,6 +886,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval *cur) { // Scan for the first available register. TargetRegisterClass::iterator I = RC->allocation_order_begin(*mf_); TargetRegisterClass::iterator E = RC->allocation_order_end(*mf_); + assert(I != E && "No allocatable register in this register class!"); for (; I != E; ++I) if (prt_->isRegAvail(*I)) { FreeReg = *I; |
