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; -stats requires asserts
; REQUIRES: asserts
; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility -pass-remarks=wholeprogramdevirt -stats %s 2>&1 | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: remark: {{.*}} uniform-ret-val: devirtualized a call to vf1
; CHECK: remark: {{.*}} devirtualized vf1
; CHECK: remark: {{.*}} devirtualized vf2
@vt1 = constant [1 x ptr] [ptr @vf1], !type !0
@vt2 = constant [1 x ptr] [ptr @vf2], !type !0
define i32 @vf1(ptr %this) readnone {
ret i32 123
}
define i32 @vf2(ptr %this) readnone {
ret i32 123
}
; CHECK: define i32 @call
define i32 @call(ptr %obj) {
%vtable = load ptr, ptr %obj
%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
call void @llvm.assume(i1 %p)
%fptr = load ptr, ptr %vtable
%result = call i32 %fptr(ptr %obj)
; CHECK-NOT: call i32 %
; CHECK: ret i32 123
ret i32 %result
}
declare i1 @llvm.type.test(ptr, metadata)
declare void @llvm.assume(i1)
!0 = !{i32 0, !"typeid"}
; CHECK: 2 wholeprogramdevirt - Number of whole program devirtualization targets
; CHECK: 1 wholeprogramdevirt - Number of uniform return value optimizations
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