db64e69fa2
As described in #98883, we have to qualify a module variable name in debugger to get its value. This PR tries to remove this limitation. LLVM provides `DIImportedEntity` to handle such cases but the PR is made more complicated due to the following 2 issues. 1. The MLIR attributes are readonly and we have a circular dependency here. This has to be handled using the recursive interface provided by the MLIR. This requires us to first create a place holder `DISubprogramAttr` which is used in creating `DIImportedEntityAttr`. Later another `DISubprogramAttr` is created which replaces the place holder. 2. The flang IR does not provide any information about the 'used' module so this has to be extracted by doing a pass over the `DeclareOp` in the function. This presents certain limitation as 'only' and module variable renaming may not be handled properly. Due to the change in `DISubprogramAttr`, some tests also needed to be adjusted. Fixes #98883.
38 lines
2.1 KiB
Plaintext
38 lines
2.1 KiB
Plaintext
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// RUN: fir-opt --add-debug-info="debug-level=LineTablesOnly" --mlir-print-debuginfo %s | FileCheck %s
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// REQUIRES: system-linux
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// Test for included functions that have a different debug location than the current file
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module attributes {dlti.dl_spec = #dlti.dl_spec<>} {
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func.func @_QPsinc() {
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return loc(#loc2)
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} loc(#loc1)
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func.func @_QQmain() {
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fir.call @_QPsinc() fastmath<contract> : () -> () loc(#loc4)
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return loc(#loc5)
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} loc(#loc3)
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} loc(#loc)
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#loc = loc("/home/user01/llvm-project/build_release/simple.f90":0:0)
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#loc1 = loc("/home/user01/llvm-project/build_release/inc.f90":1:1)
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#loc2 = loc("/home/user01/llvm-project/build_release/inc.f90":2:1)
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#loc3 = loc("/home/user01/llvm-project/build_release/simple.f90":3:1)
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#loc4 = loc("/home/user01/llvm-project/build_release/simple.f90":4:3)
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#loc5 = loc("/home/user01/llvm-project/build_release/simple.f90":5:1)
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// CHECK: module
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// CHECK: func.func @_QPsinc() {
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// CHECK: } loc(#[[FUSED_LOC_INC_FILE:.*]])
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// CHECK: func.func @_QQmain() {
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// CHECK: } loc(#[[FUSED_LOC_FILE:.*]])
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// CHECK: } loc(#[[MODULE_LOC:.*]])
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// CHECK: #[[DI_FILE:.*]] = #llvm.di_file<"simple.f90" in "[[DIR:.*]]">
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// CHECK: #[[DI_INC_FILE:.*]] = #llvm.di_file<"inc.f90" in "[[DIR]]">
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// CHECK: #[[MODULE_LOC]] = loc("{{.*}}simple.f90":0:0)
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// CHECK: #[[LOC_INC_FILE:.*]] = loc("{{.*}}inc.f90":1:1)
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// CHECK: #[[LOC_FILE:.*]] = loc("{{.*}}simple.f90":3:1)
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// CHECK: #[[DI_CU:.*]] = #llvm.di_compile_unit<id = distinct[{{.*}}]<>, sourceLanguage = DW_LANG_Fortran95, file = #[[DI_FILE]], producer = "{{.*}}flang{{.*}}", isOptimized = false, emissionKind = LineTablesOnly>
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// CHECK: #[[DI_SP_INC:.*]] = #llvm.di_subprogram<{{.*}}id = distinct[{{.*}}]<>, compileUnit = #[[DI_CU]], scope = #[[DI_FILE]], name = "sinc", linkageName = "_QPsinc", file = #[[DI_INC_FILE]], {{.*}}>
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// CHECK: #[[DI_SP:.*]] = #llvm.di_subprogram<{{.*}}id = distinct[{{.*}}]<>, compileUnit = #[[DI_CU]], scope = #[[DI_FILE]], name = "_QQmain", linkageName = "_QQmain", file = #[[DI_FILE]], {{.*}}>
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// CHECK: #[[FUSED_LOC_INC_FILE]] = loc(fused<#[[DI_SP_INC]]>[#[[LOC_INC_FILE]]])
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// CHECK: #[[FUSED_LOC_FILE]] = loc(fused<#[[DI_SP]]>[#[[LOC_FILE]]])
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