58 lines
1.5 KiB
LLVM
58 lines
1.5 KiB
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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@vt1 = constant [1 x ptr] [ptr @vf1], !type !0
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@vt2 = constant [1 x ptr] [ptr @vf2], !type !0
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@vt3 = constant [1 x ptr] [ptr @vf3], !type !1
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@vt4 = constant [1 x ptr] [ptr @vf4], !type !1
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define i64 @vf1(ptr %this, i128 %arg) readnone {
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%argtrunc = trunc i128 %arg to i64
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ret i64 %argtrunc
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}
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define i64 @vf2(ptr %this, i128 %arg) readnone {
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%argtrunc = trunc i128 %arg to i64
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ret i64 %argtrunc
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}
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define i128 @vf3(ptr %this, i64 %arg) readnone {
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%argzext = zext i64 %arg to i128
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ret i128 %argzext
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}
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define i128 @vf4(ptr %this, i64 %arg) readnone {
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%argzext = zext i64 %arg to i128
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ret i128 %argzext
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}
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; CHECK: define i64 @call1
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define i64 @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 !"typeid1")
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call void @llvm.assume(i1 %p)
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%fptr = load ptr, ptr %vtable
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; CHECK: call i64 %
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%result = call i64 %fptr(ptr %obj, i128 1)
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ret i64 %result
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}
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; CHECK: define i128 @call2
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define i128 @call2(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2")
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call void @llvm.assume(i1 %p)
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%fptr = load ptr, ptr %vtable
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; CHECK: call i128 %
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%result = call i128 %fptr(ptr %obj, i64 1)
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ret i128 %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, !"typeid1"}
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!1 = !{i32 0, !"typeid2"}
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