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50def296e2
Also remove checking of llvm.dbg.sp since it is not used in generating dwarf. Current state of Finder: DebugInfoFinder tries to list all debug info MDNodes used in a module. To list debug info MDNodes used by an instruction, DebugInfoFinder provides processDeclare, processValue and processLocation to handle DbgDeclareInst, DbgValueInst and DbgLoc attached to instructions. processModule will go through all DICompileUnits in llvm.dbg.cu and list debug info MDNodes used by the CUs. TODO: 1> Finder has a list of CUs, SPs, Types, Scopes and global variables. We need to add a list of variables that are used by DbgDeclareInst and DbgValueInst. 2> MDString fields should be null or isa<MDString> and MDNode fields should be null or isa<MDNode>. We currently use empty string or int 0 to represent null. 3> Go though Verify functions and make sure that they check field types. 4> Clean up existing testing cases to remove llvm.dbg.sp and make sure each testing case has a llvm.dbg.cu. Re-apply r187609 with fix to pass ocaml binding. vmcore.ml generates a debug location with scope being metadata !{}, in verifier we treat this as a null scope. llvm-svn: 187812
89 lines
5.5 KiB
LLVM
89 lines
5.5 KiB
LLVM
; RUN: llc < %s
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; RUN: llc < %s -march=x86-64
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; PR3538
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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target triple = "i386-apple-darwin9"
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define signext i8 @foo(i8* %s1) nounwind ssp {
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entry:
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%s1_addr = alloca i8* ; <i8**> [#uses=2]
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%retval = alloca i32 ; <i32*> [#uses=2]
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%saved_stack.1 = alloca i8* ; <i8**> [#uses=2]
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%0 = alloca i32 ; <i32*> [#uses=2]
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%str.0 = alloca [0 x i8]* ; <[0 x i8]**> [#uses=3]
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%1 = alloca i64 ; <i64*> [#uses=2]
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%2 = alloca i64 ; <i64*> [#uses=1]
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%3 = alloca i64 ; <i64*> [#uses=6]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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call void @llvm.dbg.declare(metadata !{i8** %s1_addr}, metadata !0), !dbg !7
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store i8* %s1, i8** %s1_addr
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call void @llvm.dbg.declare(metadata !{[0 x i8]** %str.0}, metadata !8), !dbg !7
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%4 = call i8* @llvm.stacksave(), !dbg !7 ; <i8*> [#uses=1]
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store i8* %4, i8** %saved_stack.1, align 8, !dbg !7
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%5 = load i8** %s1_addr, align 8, !dbg !13 ; <i8*> [#uses=1]
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%6 = call i64 @strlen(i8* %5) nounwind readonly, !dbg !13 ; <i64> [#uses=1]
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%7 = add i64 %6, 1, !dbg !13 ; <i64> [#uses=1]
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store i64 %7, i64* %3, align 8, !dbg !13
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%8 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
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%9 = sub nsw i64 %8, 1, !dbg !13 ; <i64> [#uses=0]
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%10 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
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%11 = mul i64 %10, 8, !dbg !13 ; <i64> [#uses=0]
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%12 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
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store i64 %12, i64* %2, align 8, !dbg !13
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%13 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
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%14 = mul i64 %13, 8, !dbg !13 ; <i64> [#uses=0]
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%15 = load i64* %3, align 8, !dbg !13 ; <i64> [#uses=1]
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store i64 %15, i64* %1, align 8, !dbg !13
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%16 = load i64* %1, align 8, !dbg !13 ; <i64> [#uses=1]
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%17 = trunc i64 %16 to i32, !dbg !13 ; <i32> [#uses=1]
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%18 = alloca i8, i32 %17, !dbg !13 ; <i8*> [#uses=1]
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%19 = bitcast i8* %18 to [0 x i8]*, !dbg !13 ; <[0 x i8]*> [#uses=1]
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store [0 x i8]* %19, [0 x i8]** %str.0, align 8, !dbg !13
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%20 = load [0 x i8]** %str.0, align 8, !dbg !15 ; <[0 x i8]*> [#uses=1]
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%21 = getelementptr inbounds [0 x i8]* %20, i64 0, i64 0, !dbg !15 ; <i8*> [#uses=1]
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store i8 0, i8* %21, align 1, !dbg !15
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%22 = load [0 x i8]** %str.0, align 8, !dbg !16 ; <[0 x i8]*> [#uses=1]
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%23 = getelementptr inbounds [0 x i8]* %22, i64 0, i64 0, !dbg !16 ; <i8*> [#uses=1]
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%24 = load i8* %23, align 1, !dbg !16 ; <i8> [#uses=1]
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%25 = sext i8 %24 to i32, !dbg !16 ; <i32> [#uses=1]
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store i32 %25, i32* %0, align 4, !dbg !16
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%26 = load i8** %saved_stack.1, align 8, !dbg !16 ; <i8*> [#uses=1]
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call void @llvm.stackrestore(i8* %26), !dbg !16
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%27 = load i32* %0, align 4, !dbg !16 ; <i32> [#uses=1]
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store i32 %27, i32* %retval, align 4, !dbg !16
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br label %return, !dbg !16
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return: ; preds = %entry
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%retval1 = load i32* %retval, !dbg !16 ; <i32> [#uses=1]
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%retval12 = trunc i32 %retval1 to i8, !dbg !16 ; <i8> [#uses=1]
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ret i8 %retval12, !dbg !16
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}
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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declare i8* @llvm.stacksave() nounwind
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declare i64 @strlen(i8*) nounwind readonly
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declare void @llvm.stackrestore(i8*) nounwind
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!0 = metadata !{i32 459009, metadata !1, metadata !"s1", metadata !2, i32 2, metadata !6} ; [ DW_TAG_arg_variable ]
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!1 = metadata !{i32 458798, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"foo", i32 2, metadata !3, i1 false, i1 true,
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i32 0, i32 0, null, i32 0, i32 0, null, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
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!2 = metadata !{i32 458769, metadata !17, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !18, metadata !18, null, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 458773, null, metadata !2, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{metadata !5, metadata !6}
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!5 = metadata !{i32 458788, null, metadata !2, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
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!6 = metadata !{i32 458767, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !5} ; [ DW_TAG_pointer_type ]
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!7 = metadata !{i32 2, i32 0, metadata !1, null}
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!8 = metadata !{i32 459008, metadata !1, metadata !"str.0", metadata !2, i32 3, metadata !9} ; [ DW_TAG_auto_variable ]
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!9 = metadata !{i32 458767, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 64, metadata !10} ; [ DW_TAG_pointer_type ]
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!10 = metadata !{i32 458753, null, metadata !2, metadata !"", i32 0, i64 8, i64 8, i64 0, i32 0, metadata !5, metadata !11, i32 0, null} ; [ DW_TAG_array_type ]
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!11 = metadata !{metadata !12}
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!12 = metadata !{i32 458785, i64 0, i64 1} ; [ DW_TAG_subrange_type ]
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!13 = metadata !{i32 3, i32 0, metadata !14, null}
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!14 = metadata !{i32 458763, metadata !17, metadata !1, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ]
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!15 = metadata !{i32 4, i32 0, metadata !14, null}
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!16 = metadata !{i32 5, i32 0, metadata !14, null}
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!17 = metadata !{metadata !"vla.c", metadata !"/tmp/"}
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!18 = metadata !{i32 0}
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