diff options
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/DebugInfo/X86/dbg-prolog-end.ll | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index f83a340219d..a8d46c22681 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1063,7 +1063,7 @@ void DwarfDebug::beginInstruction(const MachineInstr *MI) { // We have an explicit location, different from the previous location. // Don't repeat a line-0 record, but otherwise emit the new location. // (The new location might be an explicit line 0, which we do emit.) - if (DL.getLine() == 0 && LastAsmLine == 0) + if (PrevInstLoc && DL.getLine() == 0 && LastAsmLine == 0) return; unsigned Flags = 0; if (DL == PrologEndLoc) { diff --git a/llvm/test/DebugInfo/X86/dbg-prolog-end.ll b/llvm/test/DebugInfo/X86/dbg-prolog-end.ll index a3e9db96c8f..c7ea9c93c77 100644 --- a/llvm/test/DebugInfo/X86/dbg-prolog-end.ll +++ b/llvm/test/DebugInfo/X86/dbg-prolog-end.ll @@ -2,6 +2,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-apple-macosx10.6.7" +;CHECK-LABEL: foo: ;CHECK: .loc 1 2 11 prologue_end define i32 @foo(i32 %i) nounwind ssp !dbg !1 { entry: @@ -24,10 +25,13 @@ entry: declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone +;CHECK-LABEL: main: +;CHECK: .loc 1 0 0 prologue_end + define i32 @main() nounwind ssp !dbg !6 { entry: %retval = alloca i32, align 4 - store i32 0, i32* %retval + store i32 0, i32* %retval, !dbg !22 %call = call i32 @foo(i32 21), !dbg !16 ret i32 %call, !dbg !16 } @@ -57,3 +61,4 @@ entry: !19 = !DIFile(filename: "/tmp/a.c", directory: "/private/tmp") !20 = !{} !21 = !{i32 1, !"Debug Info Version", i32 3} +!22 = !DILocation(line: 0, column: 0, scope: !17) |
