69f3378ad6
Set the debug location for static init related functions(__dtor and __finalize) so we can generate valid debug info on AIX by invoking -g with clang or -debug-info-kind=limited with clang_cc1. This also works for any other future targets who may use sinit and sterm functions for static initialization, where a direct call to dtor will be generated within finalize function body. This patch also aims at validating that the debug info generated is correct for AIX sinit related functions. Differential Revision: https://reviews.llvm.org/D83702
65 lines
3.7 KiB
C++
65 lines
3.7 KiB
C++
// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -emit-llvm -x c++ \
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// RUN: -debug-info-kind=limited < %s | \
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// RUN: FileCheck --check-prefixes=CHECK,CHECK64 %s
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -emit-llvm -x c++ \
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// RUN: -debug-info-kind=limited < %s | \
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// RUN: FileCheck --check-prefixes=CHECK,CHECK64 %s
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struct X {
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X();
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~X();
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};
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X v;
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// CHECK: define internal void @__cxx_global_var_init() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR16:[0-9]+]] {
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// CHECK: entry:
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// CHECK: call void @_ZN1XC1Ev(%struct.X* @v), !dbg ![[DBGVAR19:[0-9]+]]
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// CHECK: %0 = call i32 @atexit(void ()* @__dtor_v) [[ATTR:#[0-9]+]], !dbg ![[DBGVAR19]]
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// CHECK: ret void, !dbg ![[DBGVAR19]]
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// CHECK: }
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// CHECK: define internal void @__dtor_v() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR20:[0-9]+]] {
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// CHECK: entry:
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// CHECK: call void @_ZN1XD1Ev(%struct.X* @v), !dbg ![[DBGVAR21:[0-9]+]]
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// CHECK: ret void, !dbg ![[DBGVAR21]]
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// CHECK: }
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// CHECK: define internal void @__finalize_v() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR22:[0-9]+]] {
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// CHECK: entry:
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// CHECK: %0 = call i32 @unatexit(void ()* @__dtor_v) [[ATTR:#[0-9]+]], !dbg ![[DBGVAR24:[0-9]+]]
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// CHECK: %needs_destruct = icmp eq i32 %0, 0, !dbg ![[DBGVAR24]]
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// CHECK: br i1 %needs_destruct, label %destruct.call, label %destruct.end, !dbg ![[DBGVAR24]]
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// CHECK: destruct.call:
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// CHECK: call void @__dtor_v(), !dbg ![[DBGVAR24]]
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// CHECK: br label %destruct.end, !dbg ![[DBGVAR24]]
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// CHECK: destruct.end:
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// CHECK: ret void, !dbg ![[DBGVAR24]]
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// CHECK: }
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// CHECK: define void @__sinit80000000_clang_c3236cbaa79f2bae3a15e6379a05f625() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR25:[0-9]+]] {
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// CHECK: entry:
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// CHECK: call void @__cxx_global_var_init(), !dbg ![[DBGVAR26:[0-9]+]]
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// CHECK: ret void
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// CHECK: }
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// CHECK: define void @__sterm80000000_clang_c3236cbaa79f2bae3a15e6379a05f625() [[ATTR:#[0-9]+]] !dbg ![[DBGVAR27:[0-9]+]] {
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// CHECK: entry:
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// CHECK: call void @__finalize_v(), !dbg ![[DBGVAR28:[0-9]+]]
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// CHECK: ret void
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// CHECK: }
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// CHECK: ![[DBGVAR16]] = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
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// CHECK: ![[DBGVAR19]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR16]])
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// CHECK: ![[DBGVAR20]] = distinct !DISubprogram(name: "__dtor_v", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
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// CHECK: ![[DBGVAR21]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR20]])
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// CHECK: ![[DBGVAR22]] = distinct !DISubprogram(linkageName: "__finalize_v", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, line: 14, type: !{{[0-9]+}}, scopeLine: 14, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
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// CHECK: ![[DBGVAR24]] = !DILocation(line: 14, column: 3, scope: ![[DBGVAR22]])
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// CHECK: ![[DBGVAR25]] = distinct !DISubprogram(linkageName: "__sinit80000000_clang_c3236cbaa79f2bae3a15e6379a05f625", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, type: !{{[0-9]+}}, flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
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// CHECK: ![[DBGVAR26]] = !DILocation(line: 0, scope: ![[DBGVAR25]])
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// CHECK: ![[DBGVAR27]] = distinct !DISubprogram(linkageName: "__sterm80000000_clang_c3236cbaa79f2bae3a15e6379a05f625", scope: !{{[0-9]+}}, file: !{{[0-9]+}}, type: !{{[0-9]+}}, flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: !{{[0-9]+}}, retainedNodes: !{{[0-9]+}})
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// CHECK: ![[DBGVAR28]] = !DILocation(line: 0, scope: ![[DBGVAR27]])
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