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Fix thinko check for number of operands to be the one that actually

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might have more than 19 operands. Add a testcase to make sure I
never screw that up again.

Part of rdar://11026482

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153961 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-04-03 17:55:42 +00:00
parent d5be48a9db
commit fa5b050136
2 changed files with 48 additions and 1 deletions
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2
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1200,7 +1200,7 @@ static DebugLoc getFnDebugLoc(DebugLoc DL, const LLVMContext &Ctx) {
if (SP.Verify()) { if (SP.Verify()) {
// Check for number of operands since the compatibility is // Check for number of operands since the compatibility is
// cheap here. // cheap here.
if (Scope->getNumOperands() > 19) if (SP->getNumOperands() > 19)
return DebugLoc::get(SP.getScopeLineNumber(), 0, SP); return DebugLoc::get(SP.getScopeLineNumber(), 0, SP);
else else
return DebugLoc::get(SP.getLineNumber(), 0, SP); return DebugLoc::get(SP.getLineNumber(), 0, SP);

47
test/DebugInfo/X86/ending-run.ll Normal file
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@ -0,0 +1,47 @@
; 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: 0x0000000000000000 7 0 1 0 is_stmt
; CHECK: 0x0000000000000004 8 18 1 0 is_stmt prologue_end
define i32 @callee(i32 %x) nounwind uwtable ssp {
entry:
%x.addr = alloca i32, align 4
%y = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %x.addr}, metadata !12), !dbg !13
call void @llvm.dbg.declare(metadata !{i32* %y}, metadata !14), !dbg !16
%0 = load i32* %x.addr, align 4, !dbg !17
%1 = load i32* %x.addr, align 4, !dbg !17
%mul = mul nsw i32 %0, %1, !dbg !17
store i32 %mul, i32* %y, align 4, !dbg !17
%2 = load i32* %y, align 4, !dbg !18
%sub = sub nsw i32 %2, 2, !dbg !18
ret i32 %sub, !dbg !18
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"ending-run.c", metadata !"/Users/echristo/tmp", metadata !"clang version 3.1 (trunk 153921) (llvm/trunk 153916)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"callee", metadata !"callee", metadata !"", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, i32 (i32)* @callee, null, null, metadata !10, i32 7} ; [ DW_TAG_subprogram ]
!6 = metadata !{i32 786473, metadata !"ending-run.c", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
!8 = metadata !{metadata !9, metadata !9}
!9 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!10 = metadata !{metadata !11}
!11 = metadata !{i32 786468} ; [ DW_TAG_base_type ]
!12 = metadata !{i32 786689, metadata !5, metadata !"x", metadata !6, i32 16777221, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ]
!13 = metadata !{i32 5, i32 5, metadata !5, null}
!14 = metadata !{i32 786688, metadata !15, metadata !"y", metadata !6, i32 8, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
!15 = metadata !{i32 786443, metadata !5, i32 7, i32 1, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
!16 = metadata !{i32 8, i32 9, metadata !15, null}
!17 = metadata !{i32 8, i32 18, metadata !15, null}
!18 = metadata !{i32 9, i32 5, metadata !15, null}