39 lines
867 B
LLVM
39 lines
867 B
LLVM
; RUN: opt -S -passes=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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@vt2 = constant [3 x ptr] [
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ptr @vf1i1,
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ptr @vf0i1,
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ptr @vf2i32
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], !type !0
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define i1 @vf0i1(ptr %this) readnone {
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ret i1 0
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}
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define i1 @vf1i1(ptr %this) readnone {
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ret i1 1
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}
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define i32 @vf2i32(ptr %this) readnone {
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ret i32 2
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}
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; CHECK: define i1 @call1(
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define i1 @call1(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
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call void @llvm.assume(i1 %p)
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%p2 = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
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call void @llvm.assume(i1 %p2)
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%fptr = load ptr, ptr %vtable
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%result = call i1 %fptr(ptr %obj)
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ret i1 %result
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}
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declare i1 @llvm.type.test(ptr, metadata)
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declare void @llvm.assume(i1)
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!0 = !{i32 0, !"typeid"} |