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