forked from OSchip/llvm-project
56 lines
2.9 KiB
C++
56 lines
2.9 KiB
C++
// RUN: %clang_cc1 -g -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: = metadata !{i32 786688, metadata [[IF1:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
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// CHECK: [[IF1]] = metadata !{i32 {{.*}}, metadata !{{.*}}, i32 [[@LINE+1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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if (int i = src())
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f();
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// CHECK: = metadata !{i32 786688, metadata [[IF2:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
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// CHECK: [[IF2]] = metadata !{i32 {{.*}}, metadata !{{.*}}, i32 [[@LINE+1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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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: = metadata !{i32 786688, metadata [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
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// CHECK: [[FOR]] = metadata !{i32 {{.*}}, metadata !{{.*}}, i32 [[@LINE+1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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for (int i = 0;
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// CHECK: = metadata !{i32 786688, metadata [[FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+6]]]
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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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// CHECK: [[FOR_BODY]] = metadata !{i32 {{.*}}, metadata [[FOR]], i32 [[@LINE-6]], {{.*}}} ; [ DW_TAG_lexical_block ]
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bool b = i != 10; ++i)
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f();
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// CHECK: = metadata !{i32 786688, metadata [[FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE+2]]]
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// CHECK: [[FOR]] = metadata !{i32 {{.*}}, metadata !{{.*}}, i32 [[@LINE+1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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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_BODY:![0-9]*]] = metadata !{i32 {{.*}}, metadata [[FOR]], i32 [[@LINE-4]], {{.*}}} ; [ DW_TAG_lexical_block ]
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// CHECK: = metadata !{i32 786688, metadata [[FOR_COMPOUND:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [b] [line [[@LINE+2]]]
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// CHECK: [[FOR_COMPOUND]] = metadata !{i32 {{.*}}, metadata [[FOR_BODY]], i32 [[@LINE-6]], {{.*}}} ; [ DW_TAG_lexical_block ]
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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: = metadata !{i32 786688, metadata [[RANGE_FOR:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [__range] [line 0]
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// CHECK: [[RANGE_FOR]] = metadata !{i32 {{.*}}, metadata !{{.*}}, i32 [[@LINE+1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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for (int i : x) {
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// CHECK: = metadata !{i32 786688, metadata [[RANGE_FOR_BODY:![0-9]*]], {{.*}} ; [ DW_TAG_auto_variable ] [i] [line [[@LINE-1]]]
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// CHECK: [[RANGE_FOR_BODY]] = metadata !{i32 {{.*}}, metadata [[RANGE_FOR]], i32 [[@LINE-2]], {{.*}}} ; [ DW_TAG_lexical_block ]
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}
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}
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