f61f42b9d6
Previously, the DISubroutineType attribute used an optional result parameter and an optional argument types array to model the subroutine signature. LLVM IR debug metadata, on the other hand, has one types list whose first entry maps to the result type. That entry may be null to model a void result type. The type list may also be entirely empty not specifying any type information. The latter is problematic since the current DISubroutineType attribute cannot express it. The revision changes DISubroutineTypeAttr to closely follow the LLVM metadata design. In particular, it uses a single types parameter array to model the subroutine signature and introduces an explicit DIVoidResultTypeAttr to model the null entries. Reviewed By: Dinistro Differential Revision: https://reviews.llvm.org/D141261 This reverts commit81f57b6and relands commita960547Fixes flang build and drop_begin on an empty array ref.
25 lines
1.5 KiB
Plaintext
25 lines
1.5 KiB
Plaintext
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// RUN: fir-opt --add-debug-foundation --mlir-print-debuginfo %s | FileCheck %s
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module attributes { fir.defaultkind = "a1c4d8i4l4r4", fir.kindmap = "", llvm.data_layout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128", llvm.target_triple = "aarch64-unknown-linux-gnu"} {
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func.func @_QPsb() {
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return loc(#loc_sb)
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} loc(#loc_sb)
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} loc(#loc_module)
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#loc_module = loc("./simple.f90":1:1)
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#loc_sb = loc("./simple.f90":2:1)
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// CHECK: module attributes
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// CHECK: func.func @[[SB_NAME:.*]]() {
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// CHECK: return loc(#[[SB_LOC:.*]])
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// CHECK: } loc(#[[FUSED_SB_LOC:.*]])
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// CHECK: } loc(#[[MODULE_LOC:.*]])
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// CHECK: #di_basic_type = #llvm.di_basic_type<tag = DW_TAG_base_type, name = "void", encoding = DW_ATE_address>
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// CHECK: #di_file = #llvm.di_file<"[[FILE_NAME:.*]]" in "[[DIR_NAME:.*]]">
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// CHECK: #[[MODULE_LOC]] = loc("[[DIR_NAME]]/[[FILE_NAME]]":1:1)
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// CHECK: #[[SB_LOC]] = loc("./simple.f90":2:1)
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// CHECK: #di_compile_unit = #llvm.di_compile_unit<sourceLanguage = DW_LANG_Fortran95, file = #di_file, producer = "Flang", isOptimized = false, emissionKind = LineTablesOnly>
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// CHECK: #di_subroutine_type = #llvm.di_subroutine_type<callingConvention = DW_CC_normal, types = #di_basic_type, #di_basic_type>
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// CHECK: #di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #di_file, name = "[[SB_NAME]]", linkageName = "[[SB_NAME]]", file = #di_file, line = 1, scopeLine = 1, subprogramFlags = Definition, type = #di_subroutine_type>
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// CHECK: #[[FUSED_SB_LOC]] = loc(fused<#di_subprogram>[#[[SB_LOC]]])
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