43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
; -stats requires asserts
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; REQUIRES: asserts
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; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility -pass-remarks=wholeprogramdevirt -stats %s 2>&1 | 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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; CHECK: remark: {{.*}} uniform-ret-val: devirtualized a call to vf1
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; CHECK: remark: {{.*}} devirtualized vf1
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; CHECK: remark: {{.*}} devirtualized vf2
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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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define i32 @vf1(ptr %this) readnone {
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ret i32 123
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}
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define i32 @vf2(ptr %this) readnone {
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ret i32 123
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}
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; CHECK: define i32 @call
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define i32 @call(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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%fptr = load ptr, ptr %vtable
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%result = call i32 %fptr(ptr %obj)
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; CHECK-NOT: call i32 %
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; CHECK: ret i32 123
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ret i32 %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"}
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; CHECK: 2 wholeprogramdevirt - Number of whole program devirtualization targets
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; CHECK: 1 wholeprogramdevirt - Number of uniform return value optimizations
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