forked from OSchip/llvm-project
73 lines
2.9 KiB
C++
73 lines
2.9 KiB
C++
// RUN: %clang_cc1 -debug-info-kind=limited -std=c++11 -emit-llvm %s -o -| FileCheck %s
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//
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// Two variables with the same name in subsequent if staments need to be in separate scopes.
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//
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// rdar://problem/14024005
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int src();
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void f();
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void func() {
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// CHECK: = !DILocalVariable(name: "i"
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// CHECK-SAME: scope: [[IF1:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+2]]
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// CHECK: [[IF1]] = distinct !DILexicalBlock({{.*}}line: [[@LINE+1]])
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if (int i = src())
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f();
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// CHECK: = !DILocalVariable(name: "i"
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// CHECK-SAME: scope: [[IF2:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+2]]
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// CHECK: [[IF2]] = distinct !DILexicalBlock({{.*}}line: [[@LINE+1]])
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if (int i = src()) {
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f();
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} else
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f();
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// CHECK: = !DILocalVariable(name: "i"
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// CHECK-SAME: scope: [[FOR:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+2]]
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// CHECK: [[FOR]] = distinct !DILexicalBlock({{.*}}line: [[@LINE+1]])
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for (int i = 0;
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// CHECK: = !DILocalVariable(name: "b"
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// CHECK-SAME: scope: [[FOR_BODY:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+6]]
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// CHECK: [[FOR_BODY]] = distinct !DILexicalBlock({{.*}}line: [[@LINE-4]])
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// The scope could be located at 'bool b', but LLVM drops line information for
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// scopes anyway, so it's not terribly important.
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// FIXME: change the debug info schema to not include locations of scopes,
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// since they're not used.
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bool b = i != 10; ++i)
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f();
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// CHECK: = !DILocalVariable(name: "i"
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// CHECK-SAME: scope: [[FOR:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+2]]
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// CHECK: [[FOR]] = distinct !DILexicalBlock({{.*}}line: [[@LINE+1]])
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for (int i = 0; i != 10; ++i) {
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// FIXME: Do not include scopes that have only other scopes (and no variables
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// or using declarations) as direct children, they just waste
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// space/relocations/etc.
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// CHECK: [[FOR_LOOP_INCLUDING_COND:!.*]] = distinct !DILexicalBlock(scope: [[FOR]],{{.*}} line: [[@LINE-4]])
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// CHECK: = !DILocalVariable(name: "b"
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// CHECK-SAME: scope: [[FOR_COMPOUND:![0-9]*]]
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// CHECK-SAME: line: [[@LINE+2]]
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// CHECK: [[FOR_COMPOUND]] = distinct !DILexicalBlock(scope: [[FOR_LOOP_INCLUDING_COND]],{{.*}} line: [[@LINE-8]])
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bool b = i % 2;
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}
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int x[] = {1, 2};
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// CHECK: = !DILocalVariable(name: "__range1"
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// CHECK-SAME: scope: [[RANGE_FOR:![0-9]*]]
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// CHECK-NOT: line:
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// CHECK-SAME: ){{$}}
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// CHECK: [[RANGE_FOR]] = distinct !DILexicalBlock({{.*}}, line: [[@LINE+1]])
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for (int i : x) {
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// CHECK: = !DILocalVariable(name: "i"
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// CHECK-SAME: scope: [[RANGE_FOR_BODY:![0-9]*]]
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// CHECK-SAME: line: [[@LINE-3]]
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// CHECK: [[RANGE_FOR_BODY]] = distinct !DILexicalBlock(scope: [[RANGE_FOR]],{{.*}} line: [[@LINE-4]])
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}
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}
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