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| author | John McCall <rjmccall@apple.com> | 2010-07-15 23:40:35 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2010-07-15 23:40:35 +0000 |
| commit | bf40cb518312dde1c07e44fcae59bc4eec65589c (patch) | |
| tree | 8586ebdad129f9ce6f455050c230fda0570edb08 /test/CodeGenCXX/global-init.cpp | |
| parent | 15a3d7df1ad667c6c09e34def34d546124c9efac (diff) | |
When deferring the emission of declarations with initializers in C++, remember
the order they appeared in the translation unit. If they get emitted, put them
in their proper order. Fixes rdar://problem/7458115
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108477 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/global-init.cpp')
| -rw-r--r-- | test/CodeGenCXX/global-init.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGenCXX/global-init.cpp b/test/CodeGenCXX/global-init.cpp index 8ee087e29d..8dd3b4eb14 100644 --- a/test/CodeGenCXX/global-init.cpp +++ b/test/CodeGenCXX/global-init.cpp @@ -29,7 +29,29 @@ C c; // CHECK: call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1DD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A* @d, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*)) D d; +// <rdar://problem/7458115> +namespace test1 { + int f(); + const int x = f(); // This has side-effects and gets emitted immediately. + const int y = x - 1; // This gets deferred. + const int z = ~y; // This also gets deferred, but gets "undeferred" before y. + int test() { return z; } +// CHECK: define i32 @_ZN5test14testEv() { +// CHECK: define internal void [[TEST1_Z_INIT:@.*]]() +// CHECK: load i32* @_ZN5test1L1yE +// CHECK-NEXT: xor +// CHECK-NEXT: store i32 {{.*}}, i32* @_ZN5test1L1zE +// CHECK: define internal void [[TEST1_Y_INIT:@.*]]() +// CHECK: load i32* @_ZN5test1L1xE +// CHECK-NEXT: sub +// CHECK-NEXT: store i32 {{.*}}, i32* @_ZN5test1L1yE + +// Later on, we check that y is initialized before z. +} + // CHECK: define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" { +// CHECK: call void [[TEST1_Y_INIT]] +// CHECK: call void [[TEST1_Z_INIT]] // rdar://problem/8090834: this should be nounwind // CHECK-NOEXC: define internal void @_GLOBAL__I_a() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" { |