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path: root/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
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Diffstat (limited to 'lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp b/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
index 22fd7bb46056..20e1467b30c3 100644
--- a/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
+++ b/lib/CodeGen/AsmPrinter/DbgValueHistoryCalculator.cpp
@@ -209,8 +209,7 @@ void llvm::calculateDbgValueHistory(const MachineFunction *MF,
} else if (MO.isRegMask()) {
// If this is a register mask operand, clobber all debug values in
// non-CSRs.
- for (int I = ChangingRegs.find_first(); I != -1;
- I = ChangingRegs.find_next(I)) {
+ for (unsigned I : ChangingRegs.set_bits()) {
// Don't consider SP to be clobbered by register masks.
if (unsigned(I) != SP && TRI->isPhysicalRegister(I) &&
MO.clobbersPhysReg(I)) {