Index: Generic/live-debug-values.ll =================================================================== --- Generic/live-debug-values.ll +++ Generic/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: MIR/Generic/lit.local.cfg =================================================================== --- MIR/Generic/lit.local.cfg +++ MIR/Generic/lit.local.cfg @@ -1,2 +1,2 @@ -if not 'X86' in config.root.targets: +if not config.root.targets: config.unsupported = True Index: MIR/Generic/live-debug-values-3preds.mir =================================================================== --- MIR/Generic/live-debug-values-3preds.mir +++ MIR/Generic/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/Generic/live-debug-values.mir =================================================================== --- MIR/Generic/live-debug-values.mir +++ MIR/Generic/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: MIR/X86/lit.local.cfg =================================================================== --- MIR/X86/lit.local.cfg +++ MIR/X86/lit.local.cfg @@ -1,2 +0,0 @@ -if not 'X86' in config.root.targets: - config.unsupported = True Index: MIR/X86/live-debug-values-3preds.mir =================================================================== --- MIR/X86/live-debug-values-3preds.mir +++ MIR/X86/live-debug-values-3preds.mir @@ -1,299 +0,0 @@ -# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o /dev/null %s | FileCheck %s - -# Test the extension of debug ranges from 3 predecessors. -# Generated from the source file LiveDebugValues-3preds.c: -# #include -# int add(int x, int y, int z, int a) { -# int i; -# for (i = 0; i < x * y; i++) { -# if (i < x) { -# a = a * x; -# break; -# } -# if (i < y) { -# a = a * y; -# break; -# } -# if (i < z) { -# a = a * z; -# break; -# } -# } -# return a; -# } -# with clang -g -O1 -c -emit-llvm LiveDebugValues-3preds.c -S -o live-debug-values-3preds.ll -# then llc -stop-after stackmap-liveness live-debug-values-3preds.ll -o /dev/null > live-debug-values-3preds.mir - -# DBG_VALUE for variables "x", "y" and "z" are extended into BB#9 from its -# predecessors BB#0, BB#2 and BB#8. -# CHECK: bb.9.for.end: -# CHECK: DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 -# CHECK-NEXT: DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 -# CHECK-NEXT: DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - - ---- | - ; 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 { - entry: - tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !17), !dbg !18 - tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !10, metadata !17), !dbg !19 - tail call void @llvm.dbg.value(metadata i32 %z, i64 0, metadata !11, metadata !17), !dbg !21 - tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !12, metadata !17), !dbg !23 - tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !13, metadata !17), !dbg !25 - %mul = mul nsw i32 %y, %x, !dbg !26 - %cmp.24 = icmp sgt i32 %mul, 0, !dbg !30 - br i1 %cmp.24, label %for.body.preheader, label %for.end, !dbg !31 - - for.body.preheader: ; preds = %entry - br label %for.body, !dbg !32 - - for.cond: ; preds = %if.end.6 - %cmp = icmp slt i32 %inc, %mul, !dbg !30 - br i1 %cmp, label %for.body, label %for.end, !dbg !31 - - for.body: ; preds = %for.cond, %for.body.preheader - %i.025 = phi i32 [ %inc, %for.cond ], [ 0, %for.body.preheader ] - %0 = icmp sgt i32 %x, 0 - br i1 %0, label %if.then, label %if.end, !dbg !35 - - if.then: ; preds = %for.body - %mul2 = mul nsw i32 %a, %x, !dbg !36 - tail call void @llvm.dbg.value(metadata i32 %mul2, i64 0, metadata !12, metadata !17), !dbg !23 - br label %for.end, !dbg !38 - - if.end: ; preds = %for.body - %1 = icmp sgt i32 %y, 0 - br i1 %1, label %if.then.4, label %if.end.6, !dbg !39 - - if.then.4: ; preds = %if.end - %mul5 = mul nsw i32 %a, %y, !dbg !40 - tail call void @llvm.dbg.value(metadata i32 %mul5, i64 0, metadata !12, metadata !17), !dbg !23 - br label %for.end, !dbg !43 - - if.end.6: ; preds = %if.end - %2 = icmp sgt i32 %z, 0 - %inc = add nuw nsw i32 %i.025, 1, !dbg !44 - tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !13, metadata !17), !dbg !25 - br i1 %2, label %if.then.8, label %for.cond, !dbg !45 - - if.then.8: ; preds = %if.end.6 - %mul9 = mul nsw i32 %a, %z, !dbg !46 - tail call void @llvm.dbg.value(metadata i32 %mul9, i64 0, metadata !12, metadata !17), !dbg !23 - br label %for.end, !dbg !49 - - for.end: ; preds = %for.cond, %if.then.8, %if.then.4, %if.then, %entry - %a.addr.0 = phi i32 [ %mul2, %if.then ], [ %mul5, %if.then.4 ], [ %mul9, %if.then.8 ], [ %a, %entry ], [ %a, %for.cond ] - ret i32 %a.addr.0, !dbg !50 - } - - ; Function Attrs: nounwind readnone - declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 - - attributes #0 = { norecurse nounwind readnone uwtable } - attributes #1 = { nounwind readnone } - - !llvm.dbg.cu = !{!0} - !llvm.module.flags = !{!14, !15} - !llvm.ident = !{!16} - - !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) - !1 = !DIFile(filename: "LiveDebugValues-3preds.c", directory: "/home/vt/julia/test/tvvikram") - !2 = !{} - !3 = !{!4} - !4 = distinct !DISubprogram(name: "add", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, variables: !8) - !5 = !DISubroutineType(types: !6) - !6 = !{!7, !7, !7, !7, !7} - !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) - !8 = !{!9, !10, !11, !12, !13} - !9 = !DILocalVariable(name: "x", arg: 1, scope: !4, file: !1, line: 1, type: !7) - !10 = !DILocalVariable(name: "y", arg: 2, scope: !4, file: !1, line: 1, type: !7) - !11 = !DILocalVariable(name: "z", arg: 3, scope: !4, file: !1, line: 1, type: !7) - !12 = !DILocalVariable(name: "a", arg: 4, scope: !4, file: !1, line: 1, type: !7) - !13 = !DILocalVariable(name: "i", scope: !4, file: !1, line: 2, type: !7) - !14 = !{i32 2, !"Dwarf Version", i32 4} - !15 = !{i32 2, !"Debug Info Version", i32 3} - !16 = !{!"clang version 3.8.0 (trunk 253049) "} - !17 = !DIExpression() - !18 = !DILocation(line: 1, column: 13, scope: !4) - !19 = !DILocation(line: 1, column: 20, scope: !20) - !20 = !DILexicalBlockFile(scope: !4, file: !1, discriminator: 1) - !21 = !DILocation(line: 1, column: 27, scope: !22) - !22 = !DILexicalBlockFile(scope: !4, file: !1, discriminator: 2) - !23 = !DILocation(line: 1, column: 34, scope: !24) - !24 = !DILexicalBlockFile(scope: !4, file: !1, discriminator: 3) - !25 = !DILocation(line: 2, column: 7, scope: !20) - !26 = !DILocation(line: 3, column: 21, scope: !27) - !27 = !DILexicalBlockFile(scope: !28, file: !1, discriminator: 1) - !28 = distinct !DILexicalBlock(scope: !29, file: !1, line: 3, column: 3) - !29 = distinct !DILexicalBlock(scope: !4, file: !1, line: 3, column: 3) - !30 = !DILocation(line: 3, column: 17, scope: !27) - !31 = !DILocation(line: 3, column: 3, scope: !27) - !32 = !DILocation(line: 4, column: 11, scope: !33) - !33 = distinct !DILexicalBlock(scope: !34, file: !1, line: 4, column: 9) - !34 = distinct !DILexicalBlock(scope: !28, file: !1, line: 3, column: 31) - !35 = !DILocation(line: 4, column: 9, scope: !34) - !36 = !DILocation(line: 5, column: 13, scope: !37) - !37 = distinct !DILexicalBlock(scope: !33, file: !1, line: 4, column: 16) - !38 = !DILocation(line: 6, column: 7, scope: !37) - !39 = !DILocation(line: 8, column: 9, scope: !34) - !40 = !DILocation(line: 9, column: 13, scope: !41) - !41 = distinct !DILexicalBlock(scope: !42, file: !1, line: 8, column: 16) - !42 = distinct !DILexicalBlock(scope: !34, file: !1, line: 8, column: 9) - !43 = !DILocation(line: 10, column: 7, scope: !41) - !44 = !DILocation(line: 3, column: 27, scope: !28) - !45 = !DILocation(line: 12, column: 9, scope: !34) - !46 = !DILocation(line: 13, column: 13, scope: !47) - !47 = distinct !DILexicalBlock(scope: !48, file: !1, line: 12, column: 16) - !48 = distinct !DILexicalBlock(scope: !34, file: !1, line: 12, column: 9) - !49 = !DILocation(line: 14, column: 7, scope: !47) - !50 = !DILocation(line: 17, column: 3, scope: !4) - -... ---- -name: add -alignment: 4 -exposesReturnsTwice: false -hasInlineAsm: false -isSSA: false -tracksRegLiveness: true -tracksSubRegLiveness: false -liveins: - - { reg: '%edi' } - - { reg: '%esi' } - - { reg: '%edx' } - - { reg: '%ecx' } -frameInfo: - isFrameAddressTaken: false - isReturnAddressTaken: false - hasStackMap: false - hasPatchPoint: false - stackSize: 0 - offsetAdjustment: 0 - maxAlignment: 0 - adjustsStack: false - hasCalls: false - maxCallFrameSize: 0 - hasOpaqueSPAdjustment: false - hasVAStart: false - hasMustTailInVarArgFunc: false -body: | - bb.0.entry: - successors: %bb.1.for.body.preheader(20), %bb.9.for.end(12) - liveins: %ecx, %edi, %edx, %esi - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %r8d = MOV32rr %esi, debug-location !26 - %r8d = IMUL32rr killed %r8d, %edi, implicit-def dead %eflags, debug-location !26 - TEST32rr %r8d, %r8d, implicit-def %eflags, debug-location !31 - JLE_1 %bb.9.for.end, implicit %eflags - - bb.1.for.body.preheader: - successors: %bb.3.for.body(0) - liveins: %ecx, %edi, %edx, %esi, %r8d - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags - - bb.3.for.body (align 4): - successors: %bb.4.if.then(4), %bb.5.if.end(124) - liveins: %eax, %ecx, %edi, %edx, %esi, %r8d - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - TEST32rr %edi, %edi, implicit-def %eflags, debug-location !35 - JG_1 %bb.4.if.then, implicit %eflags - - bb.5.if.end: - successors: %bb.6.if.then.4(4), %bb.7.if.end.6(124) - liveins: %eax, %ecx, %edi, %edx, %esi, %r8d - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - TEST32rr %esi, %esi, implicit-def %eflags, debug-location !39 - JG_1 %bb.6.if.then.4, implicit %eflags - - bb.7.if.end.6: - successors: %bb.8.if.then.8(4), %bb.2.for.cond(124) - liveins: %eax, %ecx, %edi, %edx, %esi, %r8d - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - TEST32rr %edx, %edx, implicit-def %eflags, debug-location !45 - JG_1 %bb.8.if.then.8, implicit %eflags - - bb.2.for.cond: - successors: %bb.3.for.body(124), %bb.9.for.end(4) - liveins: %eax, %ecx, %edi, %edx, %esi, %r8d - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %eax = INC32r killed %eax, implicit-def dead %eflags, debug-location !44 - DBG_VALUE debug-use %eax, debug-use _, !13, !17, debug-location !25 - CMP32rr %eax, %r8d, implicit-def %eflags, debug-location !31 - JL_1 %bb.3.for.body, implicit %eflags - JMP_1 %bb.9.for.end - - bb.4.if.then: - liveins: %ecx, %edi - - DBG_VALUE debug-use %edi, debug-use _, !9, !17, debug-location !18 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %ecx = IMUL32rr killed %ecx, killed %edi, implicit-def dead %eflags, debug-location !36 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %eax = MOV32rr killed %ecx, debug-location !50 - RETQ %eax, debug-location !50 - - bb.6.if.then.4: - liveins: %ecx, %esi - - DBG_VALUE debug-use %esi, debug-use _, !10, !17, debug-location !19 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %ecx = IMUL32rr killed %ecx, killed %esi, implicit-def dead %eflags, debug-location !40 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %eax = MOV32rr killed %ecx, debug-location !50 - RETQ %eax, debug-location !50 - - bb.8.if.then.8: - successors: %bb.9.for.end(0) - liveins: %ecx, %edx - - DBG_VALUE debug-use %edx, debug-use _, !11, !17, debug-location !21 - DBG_VALUE debug-use %ecx, debug-use _, !12, !17, debug-location !23 - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %ecx = IMUL32rr killed %ecx, killed %edx, implicit-def dead %eflags, debug-location !46 - - bb.9.for.end: - liveins: %ecx - - DBG_VALUE 0, 0, !13, !17, debug-location !25 - %eax = MOV32rr killed %ecx, debug-location !50 - RETQ %eax, debug-location !50 - -... Index: MIR/X86/live-debug-values.mir =================================================================== --- MIR/X86/live-debug-values.mir +++ MIR/X86/live-debug-values.mir @@ -1,260 +0,0 @@ -# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o /dev/null %s | 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 -c -emit-llvm LiveDebugValues.c -S -o live-debug-values.ll -# then llc -stop-after stackmap-liveness live-debug-values.ll -o /dev/null > live-debug-values.mir -# This case will also produce multiple locations but only the debug range -# extension is tested here. This test case is tested with DWARF information under -# llvm/test/DebugInfo/live-debug-values.ll and present here for testing under -# MIR->MIR serialization. - -# DBG_VALUE for variable "n" is extended into BB#5 from its predecessors BB#3 -# and BB#4. -# CHECK: bb.5.if.end.7: -# CHECK: DBG_VALUE debug-use %rsi, debug-use _, !13, !20, debug-location !22 -# CHECK-NEXT: DBG_VALUE debug-use %ebx, debug-use _, !14, !20, debug-location !33 - - ---- | - ; 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 - - ; 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 = %if.else, %entry - %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) - -... ---- -name: main -alignment: 4 -exposesReturnsTwice: false -hasInlineAsm: false -isSSA: false -tracksRegLiveness: true -tracksSubRegLiveness: false -liveins: - - { reg: '%edi' } - - { reg: '%rsi' } -calleeSavedRegisters: [ '%bh', '%bl', '%bp', '%bpl', '%bx', '%ebp', '%ebx', - '%rbp', '%rbx', '%r12', '%r13', '%r14', '%r15', - '%r12b', '%r13b', '%r14b', '%r15b', '%r12d', '%r13d', - '%r14d', '%r15d', '%r12w', '%r13w', '%r14w', '%r15w' ] -frameInfo: - isFrameAddressTaken: false - isReturnAddressTaken: false - hasStackMap: false - hasPatchPoint: false - stackSize: 8 - offsetAdjustment: 0 - maxAlignment: 0 - adjustsStack: true - hasCalls: true - maxCallFrameSize: 0 - hasOpaqueSPAdjustment: false - hasVAStart: false - hasMustTailInVarArgFunc: false -fixedStack: - - { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '%rbx' } -body: | - bb.0.entry: - successors: %bb.1.if.else(16), %bb.2.if.end(16) - liveins: %edi, %rsi, %rbx - - frame-setup PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp - CFI_INSTRUCTION .cfi_def_cfa_offset 16 - CFI_INSTRUCTION .cfi_offset %rbx, -16 - DBG_VALUE debug-use %edi, debug-use _, !12, !20, debug-location !21 - DBG_VALUE debug-use %rsi, debug-use _, !13, !20, debug-location !22 - %eax = MOV32rr %edi - DBG_VALUE debug-use %eax, debug-use _, !12, !20, debug-location !21 - %edi = MOV32ri 2 - CMP32ri8 killed %eax, 2, implicit-def %eflags, debug-location !26 - JNE_1 %bb.2.if.end, implicit %eflags - - bb.1.if.else: - successors: %bb.2.if.end(0) - liveins: %rsi - - DBG_VALUE debug-use %rsi, debug-use _, !13, !20, debug-location !22 - %rdi = MOV64rm killed %rsi, 1, _, 8, _, debug-location !27 :: (load 8 from %ir.arrayidx, !tbaa !28) - dead %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags, implicit-def %al, debug-location !32 - CALL64pcrel32 @atoi, csr_64, implicit %rsp, implicit %rdi, implicit %al, implicit-def %rsp, implicit-def %eax, debug-location !32 - %edi = MOV32rr %eax, debug-location !32 - DBG_VALUE debug-use %edi, debug-use _, !14, !20, debug-location !33 - - bb.2.if.end: - successors: %bb.3.if.then.3(16), %bb.4.if.else.5(16) - liveins: %edi - - CALL64pcrel32 @change, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax, debug-location !34 - %ebx = MOV32rr %eax, debug-location !34 - DBG_VALUE debug-use %ebx, debug-use _, !14, !20, debug-location !33 - CMP32ri8 %ebx, 11, implicit-def %eflags, debug-location !37 - JL_1 %bb.4.if.else.5, implicit killed %eflags, debug-location !37 - - bb.3.if.then.3: - successors: %bb.5.if.end.7(0) - liveins: %ebx - - DBG_VALUE debug-use %ebx, debug-use _, !14, !20, debug-location !33 - %edi = MOV32rr %ebx, debug-location !38 - CALL64pcrel32 @modify, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax, debug-location !38 - %ecx = MOV32rr %eax, debug-location !38 - %ecx = ADD32rr killed %ecx, killed %ebx, implicit-def dead %eflags, debug-location !40 - JMP_1 %bb.5.if.end.7 - - bb.4.if.else.5: - successors: %bb.5.if.end.7(0) - liveins: %ebx - - DBG_VALUE debug-use %ebx, debug-use _, !14, !20, debug-location !33 - %edi = MOV32rr killed %ebx, debug-location !42 - CALL64pcrel32 @inc, csr_64, implicit %rsp, implicit %edi, implicit-def %rsp, implicit-def %eax, debug-location !42 - %ecx = MOV32rr %eax, debug-location !42 - - bb.5.if.end.7: - liveins: %ecx - - MOV32mr %rip, 1, _, @m, _, %ecx, debug-location !43 :: (store 4 into @m, !tbaa !44) - dead undef %edi = MOV32ri64 @.str, implicit-def %rdi, debug-location !46 - dead %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags, implicit-def %al, debug-location !47 - %esi = MOV32rr killed %ecx, debug-location !46 - CALL64pcrel32 @printf, csr_64, implicit %rsp, implicit %rdi, implicit %esi, implicit %al, implicit-def %rsp, implicit-def dead %eax, debug-location !46 - %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags, debug-location !47 - %rbx = POP64r implicit-def %rsp, implicit %rsp, debug-location !47 - RETQ %eax, debug-location !47 - -... 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)