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llvm-mirror/test/ThinLTO/X86/cfi-distributed.ll
Amy Huang 062b5d40cb Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

75 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 { i32 (...)** }
@_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0
define void @test(i8* %b) {
entry:
tail call void @test2(i8* %b)
tail call void @test3(i8* %b)
%0 = bitcast i8* %b to i8**
%vtable2 = load i8*, i8** %0
%1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A")
br i1 %1, label %cont, label %trap
trap:
tail call void @llvm.trap()
unreachable
cont:
ret void
}
declare void @test2(i8*)
declare void @test3(i8*)
declare i1 @llvm.type.test(i8*, metadata)
declare void @llvm.trap()
!0 = !{i64 16, !"_ZTS1A"}
!1 = !{i64 16, !"_ZTS1B"}