diff options
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 7 | ||||
| -rw-r--r-- | test/DebugInfo/X86/ending-run.ll | 6 |
2 files changed, 9 insertions, 4 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index b3a9a14a1b..cb7887890c 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1093,12 +1093,15 @@ void DwarfDebug::beginInstruction(const MachineInstr *MI) { if (!MI->isDebugValue()) { DebugLoc DL = MI->getDebugLoc(); if (DL != PrevInstLoc && (!DL.isUnknown() || UnknownLocations)) { - unsigned Flags = DWARF2_FLAG_IS_STMT; + unsigned Flags = 0; PrevInstLoc = DL; if (DL == PrologEndLoc) { Flags |= DWARF2_FLAG_PROLOGUE_END; PrologEndLoc = DebugLoc(); } + if (PrologEndLoc.isUnknown()) + Flags |= DWARF2_FLAG_IS_STMT; + if (!DL.isUnknown()) { const MDNode *Scope = DL.getScope(Asm->MF->getFunction()->getContext()); recordSourceLine(DL.getLine(), DL.getCol(), Scope, Flags); @@ -1378,7 +1381,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { MF->getFunction()->getContext()); recordSourceLine(FnStartDL.getLine(), FnStartDL.getCol(), FnStartDL.getScope(MF->getFunction()->getContext()), - DWARF2_FLAG_IS_STMT); + 0); } } diff --git a/test/DebugInfo/X86/ending-run.ll b/test/DebugInfo/X86/ending-run.ll index 0cd3de1da9..6935c47d0c 100644 --- a/test/DebugInfo/X86/ending-run.ll +++ b/test/DebugInfo/X86/ending-run.ll @@ -1,9 +1,11 @@ ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj ; RUN: llvm-dwarfdump %t | FileCheck %s -; Check that the line table starts at 7, not 4. +; Check that the line table starts at 7, not 4, but that the first +; statement isn't until line 8. -; CHECK: 0x0000000000000000 7 0 1 0 is_stmt +; CHECK-NOT: 0x0000000000000000 7 0 1 0 is_stmt +; CHECK: 0x0000000000000000 7 0 1 0 ; CHECK: 0x0000000000000004 8 18 1 0 is_stmt prologue_end define i32 @callee(i32 %x) nounwind uwtable ssp { |