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TheRock/compiler/amd-llvm/llvm/test/ThinLTO/X86/cfi-distributed.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

74 lines
2.1 KiB
LLVM

; REQUIRES: x86-registered-target
; Test to ensure that only referenced type ID records are emitted into
; each distributed index file.
; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1.o %s
; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2.o %p/Inputs/cfi-distributed.ll
; RUN: llvm-lto2 run -thinlto-distributed-indexes %t1.o %t2.o \
; RUN: -o %t3 \
; RUN: -r=%t1.o,test,px \
; RUN: -r=%t1.o,_ZTV1B, \
; RUN: -r=%t1.o,_ZTV1B,px \
; RUN: -r=%t1.o,test2, \
; RUN: -r=%t1.o,test3, \
; RUN: -r=%t2.o,test1, \
; RUN: -r=%t2.o,test3,p \
; RUN: -r=%t2.o,test2,px \
; RUN: -r=%t2.o,_ZTV1B2, \
; RUN: -r=%t2.o,_ZTV1B2,px \
; RUN: -r=%t2.o,_ZTV1B3, \
; RUN: -r=%t2.o,_ZTV1B3,px
; Check that we have all needed type IDs.
; RUN: llvm-dis %t1.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX1
; Used by @llvm.type.test in @test
; INDEX1: typeid: (name: "_ZTS1A"
; Used by @llvm.type.test in @test2 imported to be called from @test
; INDEX1: typeid: (name: "_ZTS1A2"
; Used by @llvm.type.test in @test1 imported to be called by alias
; @test3 from @test
; INDEX1: typeid: (name: "_ZTS1A3"
; The second index file, should only contain the type IDs used in @test1 and @test2.
; RUN: llvm-dis %t2.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX2
; INDEX2-NOT: typeid: (name: "_ZTS1A"
; INDEX2: typeid: (name: "_ZTS1A2"
; INDEX2: typeid: (name: "_ZTS1A3"
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-grtev4-linux-gnu"
%struct.B = type { %struct.A }
%struct.A = type { ptr }
@_ZTV1B = constant { [3 x ptr] } { [3 x ptr] [ptr undef, ptr undef, ptr undef] }, !type !0
define void @test(ptr %b) {
entry:
tail call void @test2(ptr %b)
tail call void @test3(ptr %b)
%vtable2 = load ptr, ptr %b
%0 = tail call i1 @llvm.type.test(ptr %vtable2, metadata !"_ZTS1A")
br i1 %0, label %cont, label %trap
trap:
tail call void @llvm.trap()
unreachable
cont:
ret void
}
declare void @test2(ptr)
declare void @test3(ptr)
declare i1 @llvm.type.test(ptr, metadata)
declare void @llvm.trap()
!0 = !{i64 16, !"_ZTS1A"}
!1 = !{i64 16, !"_ZTS1B"}