forked from OSchip/llvm-project
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin10 %s -o - | FileCheck %s
|
|
|
|
// Check the line numbers for cleanup code with EH in combination with
|
|
// simple return expressions.
|
|
|
|
// CHECK: define {{.*}}foo
|
|
// CHECK: call void @_ZN1CD1Ev(%class.C* {{.*}}), !dbg ![[CLEANUP:[0-9]+]]
|
|
// CHECK: ret i32 0, !dbg ![[RET:[0-9]+]]
|
|
|
|
// CHECK: define {{.*}}bar
|
|
// CHECK: ret void, !dbg ![[RETBAR:[0-9]+]]
|
|
|
|
// CHECK: define {{.*}}baz
|
|
// CHECK: ret void, !dbg ![[RETBAZ:[0-9]+]]
|
|
|
|
class C {
|
|
public:
|
|
~C() {}
|
|
int i;
|
|
};
|
|
|
|
int foo()
|
|
{
|
|
C c;
|
|
c.i = 42;
|
|
// This breakpoint should be at/before the cleanup code.
|
|
// CHECK: ![[CLEANUP]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
|
|
return 0;
|
|
// CHECK: ![[RET]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
|
|
}
|
|
|
|
void bar()
|
|
{
|
|
if (!foo())
|
|
// CHECK: {{.*}} = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
|
|
return;
|
|
|
|
if (foo()) {
|
|
C c;
|
|
c.i = foo();
|
|
}
|
|
// Clang creates only a single ret instruction. Make sure it is at a useful line.
|
|
// CHECK: ![[RETBAR]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
|
|
}
|
|
|
|
void baz()
|
|
{
|
|
if (!foo())
|
|
// CHECK: ![[SCOPE1:.*]] = metadata !{metadata !"0xb\00[[@LINE-1]]\00{{.*}}", {{.*}} ; [ DW_TAG_lexical_block ]
|
|
// CHECK: {{.*}} = metadata !{i32 [[@LINE+1]], i32 0, metadata ![[SCOPE1]], null}
|
|
return;
|
|
|
|
if (foo()) {
|
|
// no cleanup
|
|
// CHECK: {{.*}} = metadata !{i32 [[@LINE+2]], i32 0, metadata ![[SCOPE2:.*]], null}
|
|
// CHECK: ![[SCOPE2]] = metadata !{metadata !"0xb\00[[@LINE-3]]\00{{.*}}", {{.*}} ; [ DW_TAG_lexical_block ]
|
|
return;
|
|
}
|
|
// CHECK: ![[RETBAZ]] = metadata !{i32 [[@LINE+1]], i32 0, metadata !{{.*}}, null}
|
|
}
|