From c043e78878a6aba3ff4fd6d884bd2349b6702556 Mon Sep 17 00:00:00 2001 From: Adrian Prantl Date: Tue, 10 Oct 2017 20:33:43 +0000 Subject: [PATCH] Convert condition to an early exit (NFC). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315359 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfExpression.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/AsmPrinter/DwarfExpression.cpp b/lib/CodeGen/AsmPrinter/DwarfExpression.cpp index 429269d36d8..131497b1b7f 100644 --- a/lib/CodeGen/AsmPrinter/DwarfExpression.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfExpression.cpp @@ -130,6 +130,8 @@ bool DwarfExpression::addMachineReg(const TargetRegisterInfo &TRI, unsigned Size = TRI.getSubRegIdxSize(Idx); unsigned Offset = TRI.getSubRegIdxOffset(Idx); Reg = TRI.getDwarfRegNum(*SR, false); + if (Reg < 0) + continue; // Intersection between the bits we already emitted and the bits // covered by this subregister. @@ -138,7 +140,7 @@ bool DwarfExpression::addMachineReg(const TargetRegisterInfo &TRI, // If this sub-register has a DWARF number and we haven't covered // its range, emit a DWARF piece for it. - if (Reg >= 0 && CurSubReg.test(Coverage)) { + if (CurSubReg.test(Coverage)) { // Emit a piece for any gap in the coverage. if (Offset > CurPos) DwarfRegs.push_back({-1, Offset - CurPos, nullptr}); -- 2.49.0