e0ac46e69d
This reverts commit d618f1c3b1.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.
https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy
Differential Revision: https://reviews.llvm.org/D155509
73 lines
2.9 KiB
C++
73 lines
2.9 KiB
C++
// RUN: %clang_cc1 -debug-info-kind=limited -gno-column-info -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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