1 ; RUN: opt -passes=instcombine -instcombine-lower-dbg-declare=1 -S < %s | FileCheck %s
2 ; RUN: opt -passes=instcombine -instcombine-lower-dbg-declare=0 -S < %s | FileCheck %s --check-prefix=DECLARE
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-pc-linux-gnu"
7 %foo = type { i64, i32, i32 }
9 ; Function Attrs: nounwind readnone
10 declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
11 declare void @llvm.dbg.value(metadata, metadata, metadata) #0
13 ; Function Attrs: sspreq
14 define void @julia_fastshortest_6256(i1 %c1) #1 {
16 %cp = alloca %foo, align 8
17 %sink = alloca %foo, align 8
18 call void @llvm.dbg.declare(metadata ptr %cp, metadata !1, metadata !16), !dbg !17
19 br i1 %c1, label %idxend, label %fail
24 idxend: ; preds = %top
25 ; CHECK-NOT: call void @llvm.dbg.value(metadata ptr %cp,
26 %0 = load %foo, ptr %cp, align 8
27 store volatile %foo %0, ptr %sink, align 8
28 ; CHECK: call void @llvm.dbg.value(metadata %foo %
29 store %foo %0, ptr undef, align 8
33 ; Keep the declare if we keep the alloca.
34 ; DECLARE-LABEL: define void @julia_fastshortest_6256()
35 ; DECLARE: %cp = alloca %foo, align 8
36 ; DECLARE: call void @llvm.dbg.declare(metadata ptr %cp,
38 attributes #0 = { nounwind readnone }
39 attributes #1 = { sspreq }
41 !llvm.module.flags = !{!0}
44 !0 = !{i32 1, !"Debug Info Version", i32 3}
45 !1 = !DILocalVariable(name: "cp", scope: !2, file: !3, line: 106, type: !12)
46 !2 = distinct !DISubprogram(name: "fastshortest", linkageName: "julia_fastshortest_6256", scope: null, file: !3, type: !4, isLocal: false, isDefinition: true, isOptimized: true, unit: !18, retainedNodes: !11)
47 !3 = !DIFile(filename: "grisu/fastshortest.jl", directory: ".")
48 !4 = !DISubroutineType(types: !5)
50 !6 = !DIBasicType(name: "Float64", size: 64, align: 64, encoding: DW_ATE_unsigned)
51 !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64)
52 !8 = !DICompositeType(tag: DW_TAG_structure_type, name: "jl_value_t", file: !9, line: 71, align: 64, elements: !10)
53 !9 = !DIFile(filename: "julia.h", directory: "")
56 !12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Float", size: 128, align: 64, elements: !13, runtimeLang: DW_LANG_Julia)
57 !13 = !{!14, !15, !15}
58 !14 = !DIBasicType(name: "UInt64", size: 64, align: 64, encoding: DW_ATE_unsigned)
59 !15 = !DIBasicType(name: "Int32", size: 32, align: 32, encoding: DW_ATE_unsigned)
61 !17 = !DILocation(line: 106, scope: !2)
62 !18 = distinct !DICompileUnit(language: DW_LANG_Julia, file: !3)