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This restores 59733525d37cf9ad88b5021b33ecdbaf2e18911c (D71913), along with bot fix 19c76989bb505c3117730c47df85fd3800ea2767. The bot failure should be fixed by D73418, committed as af954e441a5170a75687699d91d85e0692929d43. I also added a fix for non-x86 bot failures by requiring x86 in new test lld/test/ELF/lto/devirt_vcall_vis_public.ll.
31 lines
891 B
LLVM
31 lines
891 B
LLVM
; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
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target datalayout = "e-p:64:64"
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target triple = "x86_64-unknown-linux-gnu"
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@vt = constant i8* bitcast (void (i8*)* @vf to i8*), !type !0
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define void @vf(i8* %this) {
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ret void
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}
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; CHECK: define void @call
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define void @call(i8* %obj) {
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%vtableptr = bitcast i8* %obj to [1 x i8*]**
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%vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
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%vtablei8 = bitcast [1 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 [1 x i8*], [1 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 void (i8*)*
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; CHECK: call void @vf(
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call void %fptr_casted(i8* %obj)
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ret void
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}
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declare i1 @llvm.type.test(i8*, metadata)
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declare void @llvm.assume(i1)
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!0 = !{i32 0, !"typeid"}
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