| ; RUN: llvm-diff %s %s |
| |
| ; An initializer that has a GEP instruction in it won't match itself in |
| ; llvm-diff unless the a deep comparison is done on the initializer. |
| |
| @gv1 = external dso_local global [28 x i16], align 16 |
| @gv2 = private unnamed_addr constant [2 x ptr] [ptr @gv1, ptr poison], align 16 |
| |
| define void @foo() { |
| %1 = getelementptr [2 x ptr], ptr @gv2, i64 0, i64 undef |
| ret void |
| } |
| |
| ; A named structure may be renamed when the right module is read. This is due |
| ; to the LLParser being different between the left and right modules, and the |
| ; context renaming one. |
| |
| %struct.ty1 = type { i16, i16 } |
| |
| @gv3 = internal global [1 x %struct.ty1] [%struct.ty1 { i16 928, i16 0 }], align 16 |
| |
| define void @bar() { |
| %1 = getelementptr [1 x %struct.ty1], ptr @gv3, i64 0, i64 undef |
| ret void |
| } |
| |
| ; An initializer may reference the variable it's initializing via bitcast / |
| ; GEP. Check that it doesn't cause an infinite loop. |
| |
| %struct.mutex = type { %struct.list_head } |
| %struct.list_head = type { ptr, ptr } |
| |
| @vmx_l1d_flush_mutex = internal global %struct.mutex { %struct.list_head { ptr getelementptr (i8, ptr @vmx_l1d_flush_mutex, i64 16), ptr getelementptr (i8, ptr @vmx_l1d_flush_mutex, i64 16) } }, align 8 |
| |
| define internal i32 @qux() { |
| call void undef(ptr @vmx_l1d_flush_mutex) |
| ret i32 undef |
| } |
| |
| ; An initializer could use itself as part of the initialization. |
| |
| @kvm_debugfs_entries = internal global %struct.list_head { ptr @kvm_debugfs_entries, ptr @kvm_debugfs_entries }, align 8 |
| |
| define i64 @mux() { |
| %1 = load ptr, ptr @kvm_debugfs_entries, align 8 |
| ret i64 undef |
| } |