forked from OSchip/llvm-project
26 lines
930 B
LLVM
26 lines
930 B
LLVM
; Check that we don't crash when processing declaration with type metadata
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; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-none-linux-gnu"
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declare i1 @llvm.type.test(i8*, metadata)
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declare void @llvm.assume(i1)
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@_ZTVN3foo3barE = external dso_local unnamed_addr constant { [8 x i8*] }, align 8, !type !0
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define i1 @call1(i8* %obj) {
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%vtableptr = bitcast i8* %obj to [3 x i8*]**
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%vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr
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%vtablei8 = bitcast [3 x i8*]* %vtable to i8*
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%p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
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call void @llvm.assume(i1 %p)
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%fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0
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%fptr = load i8*, i8** %fptrptr
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%fptr_casted = bitcast i8* %fptr to i1 (i8*)*
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%result = call i1 %fptr_casted(i8* %obj)
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ret i1 %result
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}
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!0 = !{i64 16, !"_ZTSN3foo3barE"}
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