DI: Reverse direction of subprogram -> function edge.

[oota-llvm.git] / test / Instrumentation / MemorySanitizer / store-origin.ll

diff --git a/test/Instrumentation/MemorySanitizer/store-origin.ll b/test/Instrumentation/MemorySanitizer/store-origin.ll
index 75e531969dacbbca94bdb400a9bf3b60424d31e3..42bfac20822f51bc8adba8d703660112168d70f1 100644 (file)
--- a/test/Instrumentation/MemorySanitizer/store-origin.ll
+++ b/test/Instrumentation/MemorySanitizer/store-origin.ll
@@ -5,30 +5,69 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 target triple = "x86_64-unknown-linux-gnu"
 
 
-; Check origin instrumentation of stores
+; Check origin instrumentation of stores.
+; Check that debug info for origin propagation code is set correctly.
 
-define void @Store(i32* nocapture %p, i32 %x) nounwind uwtable sanitize_memory {
+; Function Attrs: nounwind
+define void @Store(i32* nocapture %p, i32 %x) #0 !dbg !4 {
 entry:
-  store i32 %x, i32* %p, align 4
-  ret void
+  tail call void @llvm.dbg.value(metadata i32* %p, i64 0, metadata !11, metadata !DIExpression()), !dbg !16
+  tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !12, metadata !DIExpression()), !dbg !16
+  store i32 %x, i32* %p, align 4, !dbg !17, !tbaa !18
+  ret void, !dbg !22
 }
 
-; CHECK: @Store
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
+
+attributes #0 = { nounwind sanitize_memory "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind readnone }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!13, !14}
+!llvm.ident = !{!15}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (204220)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "../2.cc", directory: "/tmp/build0")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "Store", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !10)
+!5 = !DIFile(filename: "../2.cc", directory: "/tmp/build0")
+!6 = !DISubroutineType(types: !7)
+!7 = !{null, !8, !9}
+!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
+!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!10 = !{!11, !12}
+!11 = !DILocalVariable(name: "p", line: 1, arg: 1, scope: !4, file: !5, type: !8)
+!12 = !DILocalVariable(name: "x", line: 1, arg: 2, scope: !4, file: !5, type: !9)
+!13 = !{i32 2, !"Dwarf Version", i32 4}
+!14 = !{i32 1, !"Debug Info Version", i32 3}
+!15 = !{!"clang version 3.5.0 (204220)"}
+!16 = !DILocation(line: 1, scope: !4)
+!17 = !DILocation(line: 2, scope: !4)
+!18 = !{!19, !19, i64 0}
+!19 = !{!"int", !20, i64 0}
+!20 = !{!"omnipotent char", !21, i64 0}
+!21 = !{!"Simple C/C++ TBAA"}
+!22 = !DILocation(line: 3, scope: !4)
+
+
+; CHECK-LABEL: @Store
 ; CHECK: load {{.*}} @__msan_param_tls
 ; CHECK: [[ORIGIN:%[01-9a-z]+]] = load {{.*}} @__msan_param_origin_tls
-; CHECK: store
+; CHECK: store {{.*}}!dbg ![[DBG:[01-9]+]]
 ; CHECK: icmp
 ; CHECK: br i1
 ; CHECK: <label>
 
 ; Origin tracking level 1: simply store the origin value
-; CHECK-ORIGINS1: store i32 {{.*}}[[ORIGIN]],
+; CHECK-ORIGINS1: store i32 {{.*}}[[ORIGIN]],{{.*}}!dbg !{{.*}}[[DBG]]
 
 ; Origin tracking level 2: pass origin value through __msan_chain_origin and store the result.
 ; CHECK-ORIGINS2: [[ORIGIN2:%[01-9a-z]+]] = call i32 @__msan_chain_origin(i32 {{.*}}[[ORIGIN]])
-; CHECK-ORIGINS2: store i32 {{.*}}[[ORIGIN2]],
+; CHECK-ORIGINS2: store i32 {{.*}}[[ORIGIN2]],{{.*}}!dbg !{{.*}}[[DBG]]
 
-; CHECK: br label
+; CHECK: br label{{.*}}!dbg !{{.*}}[[DBG]]
 ; CHECK: <label>
-; CHECK: store
+; CHECK: store{{.*}}!dbg !{{.*}}[[DBG]]
 ; CHECK: ret void