| commit | 2fc0977a988a49dacb0ca0954e40ddc4e8849d4c | [log] [tgz] |
|---|---|---|
| author | Andrew Trick <atrick@apple.com> | Wed Feb 22 18:34:49 2012 +0000 |
| committer | Andrew Trick <atrick@apple.com> | Wed Feb 22 18:34:49 2012 +0000 |
| tree | 2c4c0055d1c89460375617a523723227a486d0ea | |
| parent | 90f20044ade3712c8b0c3f4ebe47d57ad15ae6ce [diff] |
Comment from code review git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151178 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index ddf445d..02d07fa 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -362,6 +362,7 @@ unsigned Reg = MI->getOperand(OperIdx).getReg(); // SSA defs do not have output/anti dependencies. + // The current operand is a def, so we have at least one. if (llvm::next(MRI.def_begin(Reg)) == MRI.def_end()) return;