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-rw-r--r--llvm/test/DebugInfo/MSP430/lit.local.cfg2
-rw-r--r--llvm/test/DebugInfo/MSP430/sdagsplit-1.ll74
-rw-r--r--llvm/test/DebugInfo/X86/sdagsplit-1.ll71
3 files changed, 147 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/MSP430/lit.local.cfg b/llvm/test/DebugInfo/MSP430/lit.local.cfg
new file mode 100644
index 00000000000..4ad9495c56f
--- /dev/null
+++ b/llvm/test/DebugInfo/MSP430/lit.local.cfg
@@ -0,0 +1,2 @@
+if not 'MSP430' in config.root.targets:
+ config.unsupported = True
diff --git a/llvm/test/DebugInfo/MSP430/sdagsplit-1.ll b/llvm/test/DebugInfo/MSP430/sdagsplit-1.ll
new file mode 100644
index 00000000000..a4f5c05770f
--- /dev/null
+++ b/llvm/test/DebugInfo/MSP430/sdagsplit-1.ll
@@ -0,0 +1,74 @@
+; RUN: llc %s -stop-after=livedebugvars -o %t
+; RUN: cat %t | FileCheck %s
+;
+; Test that we can emit debug info for large values that are split
+; up across multiple registers by the SelectionDAG type legalizer.
+;
+; // Compile with -O1 -m32.
+; long long foo (long long a, long long b)
+; {
+; long long res = b+1;
+; if ( a == b )
+; return res;
+; return 0;
+; }
+;
+; CHECK: ![[MDN1:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 32, 16)
+; CHECK: ![[MDN2:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 48, 16)
+; CHECK: ![[MDN3:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 0, 16)
+; CHECK: ![[MDN4:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 16, 16)
+; CHECK-DAG: DBG_VALUE debug-use %r{{[0-9]+}}, debug-use _, !{{[0-9]+}}, ![[MDN1]], debug-location !{{[0-9]+}}
+; CHECK-DAG: DBG_VALUE debug-use %r{{[0-9]+}}, debug-use _, !{{[0-9]+}}, ![[MDN2]], debug-location !{{[0-9]+}}
+; CHECK-DAG: DBG_VALUE debug-use %r{{[0-9]+}}, debug-use _, !{{[0-9]+}}, ![[MDN3]], debug-location !{{[0-9]+}}
+; CHECK-DAG: DBG_VALUE debug-use %r{{[0-9]+}}, debug-use _, !{{[0-9]+}}, ![[MDN4]], debug-location !{{[0-9]+}}
+
+; ModuleID = 'sdagsplit-1.c'
+target datalayout = "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16"
+target triple = "msp430"
+
+; Function Attrs: nounwind readnone
+define i64 @foo(i64 %a, i64 %b) local_unnamed_addr #0 !dbg !7 {
+entry:
+ tail call void @llvm.dbg.value(metadata i64 %a, metadata !12, metadata !15), !dbg !16
+ tail call void @llvm.dbg.value(metadata i64 %b, metadata !13, metadata !15), !dbg !17
+ tail call void @llvm.dbg.value(metadata i64 %add, metadata !14, metadata !15), !dbg !18
+ %cmp = icmp eq i64 %a, %b, !dbg !19
+ %add = add nsw i64 %b, 1, !dbg !21
+ %retval.0 = select i1 %cmp, i64 %add, i64 0, !dbg !22
+ ret i64 %retval.0, !dbg !23
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind readnone speculatable }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+!llvm.ident = !{!6}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "sdagsplit-1.c", directory: "/MSP430")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 2}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 2}
+!6 = !{!"clang version 6.0.0 "}
+!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !11)
+!8 = !DISubroutineType(types: !9)
+!9 = !{!10, !10, !10}
+!10 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
+!11 = !{!12, !13, !14}
+!12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10)
+!13 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !1, line: 2, type: !10)
+!14 = !DILocalVariable(name: "res", scope: !7, file: !1, line: 4, type: !10)
+!15 = !DIExpression()
+!16 = !DILocation(line: 2, column: 26, scope: !7)
+!17 = !DILocation(line: 2, column: 39, scope: !7)
+!18 = !DILocation(line: 4, column: 12, scope: !7)
+!19 = !DILocation(line: 5, column: 9, scope: !20)
+!20 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7)
+!21 = !DILocation(line: 4, column: 19, scope: !7)
+!22 = !DILocation(line: 5, column: 7, scope: !7)
+!23 = !DILocation(line: 8, column: 1, scope: !7)
diff --git a/llvm/test/DebugInfo/X86/sdagsplit-1.ll b/llvm/test/DebugInfo/X86/sdagsplit-1.ll
new file mode 100644
index 00000000000..1e68632f32e
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/sdagsplit-1.ll
@@ -0,0 +1,71 @@
+; RUN: llc %s -stop-after=livedebugvars -o %t
+; RUN: cat %t | FileCheck %s
+;
+; Test that we can emit debug info for large values that are split
+; up across multiple registers by the SelectionDAG type legalizer.
+;
+; // Compile with -O1 -m32.
+; long long foo (long long a, long long b)
+; {
+; long long res = b+1;
+; if ( a == b )
+; return res;
+; return 0;
+; }
+;
+; CHECK: ![[MDN1:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
+; CHECK: ![[MDN2:[0-9]+]] = !DIExpression(DW_OP_LLVM_fragment, 32, 32)
+; CHECK-DAG: DBG_VALUE debug-use %{{[a-z]+}}, debug-use _, !{{[0-9]+}}, ![[MDN1]], debug-location !{{[0-9]+}}
+; CHECK-DAG: DBG_VALUE debug-use %{{[a-z]+}}, debug-use _, !{{[0-9]+}}, ![[MDN2]], debug-location !{{[0-9]+}}
+
+; ModuleID = 'sdagsplit-1.c'
+target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+target triple = "i386"
+
+; Function Attrs: nounwind readnone
+define i64 @foo(i64 %a, i64 %b) local_unnamed_addr #0 !dbg !8 {
+entry:
+ tail call void @llvm.dbg.value(metadata i64 %a, metadata !13, metadata !16), !dbg !17
+ tail call void @llvm.dbg.value(metadata i64 %b, metadata !14, metadata !16), !dbg !18
+ tail call void @llvm.dbg.value(metadata i64 %add, metadata !15, metadata !16), !dbg !19
+ %cmp = icmp eq i64 %a, %b, !dbg !20
+ %add = add nsw i64 %b, 1, !dbg !22
+ %retval.0 = select i1 %cmp, i64 %add, i64 0, !dbg !23
+ ret i64 %retval.0, !dbg !24
+}
+
+; Function Attrs: nounwind readnone speculatable
+declare void @llvm.dbg.value(metadata, metadata, metadata) #1
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind readnone speculatable }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5, !6}
+!llvm.ident = !{!7}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+!1 = !DIFile(filename: "sdagsplit-1.c", directory: "/X86")
+!2 = !{}
+!3 = !{i32 1, !"NumRegisterParameters", i32 0}
+!4 = !{i32 2, !"Dwarf Version", i32 2}
+!5 = !{i32 2, !"Debug Info Version", i32 3}
+!6 = !{i32 1, !"wchar_size", i32 4}
+!7 = !{!"clang version 6.0.0 "}
+!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
+!9 = !DISubroutineType(types: !10)
+!10 = !{!11, !11, !11}
+!11 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
+!12 = !{!13, !14, !15}
+!13 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 2, type: !11)
+!14 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 2, type: !11)
+!15 = !DILocalVariable(name: "res", scope: !8, file: !1, line: 4, type: !11)
+!16 = !DIExpression()
+!17 = !DILocation(line: 2, column: 26, scope: !8)
+!18 = !DILocation(line: 2, column: 39, scope: !8)
+!19 = !DILocation(line: 4, column: 12, scope: !8)
+!20 = !DILocation(line: 5, column: 9, scope: !21)
+!21 = distinct !DILexicalBlock(scope: !8, file: !1, line: 5, column: 7)
+!22 = !DILocation(line: 4, column: 19, scope: !8)
+!23 = !DILocation(line: 5, column: 7, scope: !8)
+!24 = !DILocation(line: 8, column: 1, scope: !8)
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