; 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
}