75 lines
2.1 KiB
LLVM
75 lines
2.1 KiB
LLVM
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; REQUIRES: x86-registered-target
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; Test to ensure that only referenced type ID records are emitted into
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; each distributed index file.
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1.o %s
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2.o %p/Inputs/cfi-distributed.ll
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; RUN: llvm-lto2 run -thinlto-distributed-indexes %t1.o %t2.o \
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; RUN: -o %t3 \
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; RUN: -r=%t1.o,test,px \
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; RUN: -r=%t1.o,_ZTV1B, \
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; RUN: -r=%t1.o,_ZTV1B,px \
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; RUN: -r=%t1.o,test2, \
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; RUN: -r=%t1.o,test3, \
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; RUN: -r=%t2.o,test1, \
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; RUN: -r=%t2.o,test3,p \
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; RUN: -r=%t2.o,test2,px \
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; RUN: -r=%t2.o,_ZTV1B2, \
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; RUN: -r=%t2.o,_ZTV1B2,px \
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; RUN: -r=%t2.o,_ZTV1B3, \
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; RUN: -r=%t2.o,_ZTV1B3,px
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; Check that we have all needed type IDs.
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; RUN: llvm-dis %t1.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX1
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; Used by @llvm.type.test in @test
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; INDEX1: typeid: (name: "_ZTS1A"
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; Used by @llvm.type.test in @test2 imported to be called from @test
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; INDEX1: typeid: (name: "_ZTS1A2"
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; Used by @llvm.type.test in @test1 imported to be called by alias
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; @test3 from @test
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; INDEX1: typeid: (name: "_ZTS1A3"
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; The second index file, should only contain the type IDs used in @test1 and @test2.
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; RUN: llvm-dis %t2.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX2
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; INDEX2-NOT: typeid: (name: "_ZTS1A"
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; INDEX2: typeid: (name: "_ZTS1A2"
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; INDEX2: typeid: (name: "_ZTS1A3"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-grtev4-linux-gnu"
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%struct.B = type { %struct.A }
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%struct.A = type { i32 (...)** }
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@_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0
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define void @test(i8* %b) {
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entry:
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tail call void @test2(i8* %b)
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tail call void @test3(i8* %b)
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%0 = bitcast i8* %b to i8**
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%vtable2 = load i8*, i8** %0
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%1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A")
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br i1 %1, label %cont, label %trap
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trap:
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tail call void @llvm.trap()
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unreachable
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cont:
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ret void
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}
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declare void @test2(i8*)
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declare void @test3(i8*)
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declare i1 @llvm.type.test(i8*, metadata)
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declare void @llvm.trap()
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!0 = !{i64 16, !"_ZTS1A"}
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!1 = !{i64 16, !"_ZTS1B"}
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