64 lines
2.8 KiB
LLVM
64 lines
2.8 KiB
LLVM
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; Verify functionality of NVPTXGenericToNVVM.cpp pass.
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;
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; RUN: opt < %s -march nvptx64 -S -generic-to-nvvm | FileCheck %s
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target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
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target triple = "nvptx64-nvidia-cuda"
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; Generic space variables should be converted to global space AKA addrspace(1).
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; CHECK-DAG: @static_var = {{.*}}addrspace(1)
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@static_var = externally_initialized global i8 0, align 1, !dbg !4
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; CHECK-DAG: @.str = {{.*}}addrspace(1)
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@.str = private unnamed_addr constant [4 x i8] c"XXX\00", align 1
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; Function Attrs: convergent
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define void @func() !dbg !8 {
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;CHECK-LABEL: @func()
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;CHECK-SAME: !dbg [[FUNCNODE:![0-9]+]]
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entry:
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; References to the variables must be converted back to generic address space.
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; CHECK-DAG: addrspacecast ([4 x i8] addrspace(1)* @.str to [4 x i8]*)
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%0 = load i8, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), align 1
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call void @extfunc(i8 signext %0)
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; CHECK-DAG: addrspacecast (i8 addrspace(1)* @static_var to i8*)
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%1 = load i8, i8* @static_var, align 1
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call void @extfunc(i8 signext %1)
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ret void
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; CHECK: ret void
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}
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declare void @extfunc(i8 signext)
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!llvm.dbg.cu = !{!0}
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; CHECK: !llvm.dbg.cu = !{[[CUNODE:![0-9]+]]}
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!llvm.module.flags = !{!6, !7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1,
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producer: "clang version 4.0.0",
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isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
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; CHECK: [[CUNODE]] = distinct !DICompileUnit({{.*}} globals: [[GLOBALSNODE:![0-9]+]]
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!1 = !DIFile(filename: "foo.cu", directory: "/usr/local/google/home/tra/work/llvm/build/gpu/debug")
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!2 = !{}
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!3 = !{!4}
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; Find list of global variables and make sure it's the one used by DICompileUnit
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; CHECK: [[GLOBALSNODE]] = !{[[GVNODE:![0-9]+]]}
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!4 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "static_var", scope: !0, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true), expr: !DIExpression())
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; Debug info must also be updated to reflect new address space.
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; CHECK: [[GVNODE]] = !DIGlobalVariableExpression(var: [[GVVAR:.*]], expr: !DIExpression())
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; CHECK: [[GVVAR]] = !DIGlobalVariable(name: "static_var"
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; CHECK-SAME: scope: [[CUNODE]]
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; CHECK-SAME: type: [[TYPENODE:![0-9]+]]
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!5 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
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; CHECK: [[TYPENODE]] = !DIBasicType(name: "char"
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = distinct !DISubprogram(name: "foo", linkageName: "func",
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scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3,
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flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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; CHECK: [[FUNCNODE]] = distinct !DISubprogram(name: "foo",
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; CHECK-SAME: type: [[STYPENODE:![0-9]+]]
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; CHECK-SAME: unit: [[CUNODE]],
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!9 = !DISubroutineType(types: !10)
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; CHECK: [[STYPENODE]] = !DISubroutineType
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!10 = !{null}
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