61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin10 %s -o - | FileCheck %s
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// Check the line numbers for cleanup code with EH in combination with
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// simple return expressions.
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// CHECK: define {{.*}}foo
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// CHECK: call void @_ZN1CD1Ev(%class.C* {{.*}}), !dbg ![[CLEANUP:[0-9]+]]
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// CHECK: ret i32 0, !dbg ![[RET:[0-9]+]]
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// CHECK: define {{.*}}bar
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// CHECK: ret void, !dbg ![[RETBAR:[0-9]+]]
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// CHECK: define {{.*}}baz
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// CHECK: ret void, !dbg ![[RETBAZ:[0-9]+]]
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class C {
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public:
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~C() {}
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int i;
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};
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int foo()
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{
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C c;
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c.i = 42;
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// This breakpoint should be at/before the cleanup code.
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// CHECK: ![[CLEANUP]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
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return 0;
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// CHECK: ![[RET]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
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}
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void bar()
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{
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if (!foo())
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// CHECK: {{.*}} = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
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return;
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if (foo()) {
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C c;
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c.i = foo();
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}
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// Clang creates only a single ret instruction. Make sure it is at a useful line.
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// CHECK: ![[RETBAR]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
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}
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void baz()
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{
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if (!foo())
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// CHECK: ![[SCOPE1:.*]] = metadata !{{{.*}}, i32 [[@LINE-1]], {{.*}}} ; [ DW_TAG_lexical_block ]
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// CHECK: {{.*}} = metadata !{i32 [[@LINE+1]], i32 0, metadata ![[SCOPE1]], null}
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return;
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if (foo()) {
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// no cleanup
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// CHECK: {{.*}} = metadata !{i32 [[@LINE+2]], i32 0, metadata ![[SCOPE2:.*]], null}
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// CHECK: ![[SCOPE2]] = metadata !{{{.*}}, i32 [[@LINE-3]], {{.*}}} ; [ DW_TAG_lexical_block ]
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return;
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}
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// CHECK: ![[RETBAZ]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
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}
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