Index: MIR/X86/live-debug-values-3preds.mir =================================================================== --- MIR/X86/live-debug-values-3preds.mir +++ MIR/X86/live-debug-values-3preds.mir @@ -34,8 +34,6 @@ --- | ; ModuleID = 'live-debug-values-3preds.ll' - target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" - target triple = "x86_64-unknown-linux-gnu" ; Function Attrs: norecurse nounwind readnone uwtable define i32 @add(i32 %x, i32 %y, i32 %z, i32 %a) #0 !dbg !4 { Index: MIR/X86/live-debug-values.mir =================================================================== --- MIR/X86/live-debug-values.mir +++ MIR/X86/live-debug-values.mir @@ -39,8 +39,6 @@ --- | ; ModuleID = 'live-debug-values.ll' - target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" - target triple = "x86_64-unknown-linux-gnu" @m = common global i32 0, align 4 @.str = private unnamed_addr constant [13 x i8] c"m(main): %d\0A\00", align 1 Index: X86/live-debug-values.ll =================================================================== --- X86/live-debug-values.ll +++ X86/live-debug-values.ll @@ -35,8 +35,6 @@ ; ModuleID = 'LiveDebugValues.c' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-unknown-linux-gnu" @m = common global i32 0, align 4 @.str = private unnamed_addr constant [13 x i8] c"m(main): %d\0A\00", align 1 Index: live-debug-values.ll =================================================================== --- live-debug-values.ll +++ live-debug-values.ll @@ -1,153 +0,0 @@ -; RUN: llc -filetype=asm %s -o - | FileCheck %s - -; Test the extension of debug ranges from predecessors. -; Generated from the source file LiveDebugValues.c: -; #include -; int m; -; extern int inc(int n); -; extern int change(int n); -; extern int modify(int n); -; int main(int argc, char **argv) { -; int n; -; if (argc != 2) -; n = 2; -; else -; n = atoi(argv[1]); -; n = change(n); -; if (n > 10) { -; m = modify(n); -; m = m + n; // var `m' doesn't has a dbg.value -; } -; else -; m = inc(n); // var `m' doesn't has a dbg.value -; printf("m(main): %d\n", m); -; return 0; -; } -; with clang -g -O3 -emit-llvm -c LiveDebugValues.c -S -o live-debug-values.ll -; This case will also produce multiple locations but only the debug range -; extension is tested here. - -; DBG_VALUE for variable "n" is extended into BB#5 from its predecessors BB#3 -; and BB#4. -; CHECK: .LBB0_5: -; CHECK-NEXT: #DEBUG_VALUE: main:argv <- %RSI -; CHECK-NEXT: #DEBUG_VALUE: main:n <- %EBX - - -; ModuleID = 'LiveDebugValues.c' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-unknown-linux-gnu" - -@m = common global i32 0, align 4 -@.str = private unnamed_addr constant [13 x i8] c"m(main): %d\0A\00", align 1 - -; Function Attrs: nounwind uwtable -define i32 @main(i32 %argc, i8** nocapture readonly %argv) #0 !dbg !4 { -entry: - tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !12, metadata !20), !dbg !21 - tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !13, metadata !20), !dbg !22 - %cmp = icmp eq i32 %argc, 2, !dbg !24 - br i1 %cmp, label %if.else, label %if.end, !dbg !26 - -if.else: ; preds = %entry - %arrayidx = getelementptr inbounds i8*, i8** %argv, i64 1, !dbg !27 - %0 = load i8*, i8** %arrayidx, align 8, !dbg !27, !tbaa !28 - %call = tail call i32 (i8*, ...) bitcast (i32 (...)* @atoi to i32 (i8*, ...)*)(i8* %0) #4, !dbg !32 - tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !14, metadata !20), !dbg !33 - br label %if.end - -if.end: ; preds = %entry, %if.else - %n.0 = phi i32 [ %call, %if.else ], [ 2, %entry ] - %call1 = tail call i32 @change(i32 %n.0) #4, !dbg !34 - tail call void @llvm.dbg.value(metadata i32 %call1, i64 0, metadata !14, metadata !20), !dbg !33 - %cmp2 = icmp sgt i32 %call1, 10, !dbg !35 - br i1 %cmp2, label %if.then.3, label %if.else.5, !dbg !37 - -if.then.3: ; preds = %if.end - %call4 = tail call i32 @modify(i32 %call1) #4, !dbg !38 - %add = add nsw i32 %call4, %call1, !dbg !40 - br label %if.end.7, !dbg !41 - -if.else.5: ; preds = %if.end - %call6 = tail call i32 @inc(i32 %call1) #4, !dbg !42 - br label %if.end.7 - -if.end.7: ; preds = %if.else.5, %if.then.3 - %storemerge = phi i32 [ %call6, %if.else.5 ], [ %add, %if.then.3 ] - store i32 %storemerge, i32* @m, align 4, !dbg !43, !tbaa !44 - %call8 = tail call i32 (i8*, ...) @printf(i8* nonnull getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0), i32 %storemerge) #4, !dbg !46 - ret i32 0, !dbg !47 -} - -declare i32 @atoi(...) #1 - -declare i32 @change(i32) #1 - -declare i32 @modify(i32) #1 - -declare i32 @inc(i32) #1 - -; Function Attrs: nounwind -declare i32 @printf(i8* nocapture readonly, ...) #2 - -; Function Attrs: nounwind readnone -declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3 - -attributes #0 = { nounwind uwtable } -attributes #1 = { nounwind } -attributes #2 = { nounwind } -attributes #3 = { nounwind readnone } -attributes #4 = { nounwind } - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!17, !18} -!llvm.ident = !{!19} - -!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 253049) ", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3, globals: !15) -!1 = !DIFile(filename: "LiveDebugValues.c", directory: "/home/vt/julia/test/tvvikram") -!2 = !{} -!3 = !{!4} -!4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 6, type: !5, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, variables: !11) -!5 = !DISubroutineType(types: !6) -!6 = !{!7, !7, !8} -!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) -!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 64) -!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64, align: 64) -!10 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) -!11 = !{!12, !13, !14} -!12 = !DILocalVariable(name: "argc", arg: 1, scope: !4, file: !1, line: 6, type: !7) -!13 = !DILocalVariable(name: "argv", arg: 2, scope: !4, file: !1, line: 6, type: !8) -!14 = !DILocalVariable(name: "n", scope: !4, file: !1, line: 7, type: !7) -!15 = !{!16} -!16 = !DIGlobalVariable(name: "m", scope: !0, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, variable: i32* @m) -!17 = !{i32 2, !"Dwarf Version", i32 4} -!18 = !{i32 2, !"Debug Info Version", i32 3} -!19 = !{!"clang version 3.8.0 (trunk 253049) "} -!20 = !DIExpression() -!21 = !DILocation(line: 6, column: 14, scope: !4) -!22 = !DILocation(line: 6, column: 27, scope: !23) -!23 = !DILexicalBlockFile(scope: !4, file: !1, discriminator: 1) -!24 = !DILocation(line: 8, column: 12, scope: !25) -!25 = distinct !DILexicalBlock(scope: !4, file: !1, line: 8, column: 7) -!26 = !DILocation(line: 8, column: 7, scope: !4) -!27 = !DILocation(line: 11, column: 14, scope: !25) -!28 = !{!29, !29, i64 0} -!29 = !{!"any pointer", !30, i64 0} -!30 = !{!"omnipotent char", !31, i64 0} -!31 = !{!"Simple C/C++ TBAA"} -!32 = !DILocation(line: 11, column: 9, scope: !25) -!33 = !DILocation(line: 7, column: 7, scope: !23) -!34 = !DILocation(line: 12, column: 7, scope: !4) -!35 = !DILocation(line: 13, column: 9, scope: !36) -!36 = distinct !DILexicalBlock(scope: !4, file: !1, line: 13, column: 7) -!37 = !DILocation(line: 13, column: 7, scope: !4) -!38 = !DILocation(line: 14, column: 9, scope: !39) -!39 = distinct !DILexicalBlock(scope: !36, file: !1, line: 13, column: 15) -!40 = !DILocation(line: 15, column: 11, scope: !39) -!41 = !DILocation(line: 16, column: 3, scope: !39) -!42 = !DILocation(line: 18, column: 9, scope: !36) -!43 = !DILocation(line: 15, column: 7, scope: !39) -!44 = !{!45, !45, i64 0} -!45 = !{!"int", !30, i64 0} -!46 = !DILocation(line: 19, column: 3, scope: !4) -!47 = !DILocation(line: 20, column: 3, scope: !4)