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llvm-mirror/test/Transforms/FunctionImport/cg_profile.ll
Yuanfang Chen 06613d74b4 [CGProfile] allows bitcast in metadata node storing function pointers
For example,  during RAUW in IRMover, the `Function` ValueAsMetadata in "CG Profile" could become bitcast.

Reviewed By: tejohnson

Differential Revision: https://reviews.llvm.org/D88433
2020-11-13 09:28:21 -08:00

33 lines
1.1 KiB
LLVM

; Check that bitcast in "CG Profile" related metadata nodes (in this test case,
; generated during function importing in IRMover's RAUW operations) are accepted
; by verifier.
; RUN: opt -cg-profile -module-summary %s -o %t.bc
; RUN: opt -module-summary %p/Inputs/cg_profile.ll -o %t2.bc
; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
; RUN: opt -function-import -print-imports -summary-file %t3.thinlto.bc %t.bc \
; RUN: -S 2>&1 | FileCheck %s
; CHECK: !0 = !{i32 1, !"EnableSplitLTOUnit", i32 0}
; CHECK-NEXT: !1 = !{i32 5, !"CG Profile", !2}
; CHECK-NEXT: !2 = !{!3}
; CHECK-NEXT: !3 = !{void ()* @foo, void (%class.A*)* bitcast (void (%class.A.0*)* @bar to void (%class.A*)*), i64 2753}
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; %class.A is defined differently in %p/Inputs/cg_profile.ll. This is to trigger
; bitcast.
%class.A = type { i8 }
define void @foo() !prof !2 {
call void @bar(%class.A* null)
ret void
}
declare void @bar(%class.A*)
!llvm.module.flags = !{!1}
!1 = !{i32 1, !"EnableSplitLTOUnit", i32 0}
!2 = !{!"function_entry_count", i64 2753}