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llvm-mirror/test/LTO/Resolution/X86/export-jumptable.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

33 lines
931 B
LLVM

; Test that we do not internalize functions that appear in the CFI jump table in
; the full LTO object file; any such functions will be referenced by the jump
; table.
; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t %s
; RUN: llvm-lto2 run -o %t2 -r %t,f1,p -r %t,f2,p -r %t,_start,px %t -save-temps
; RUN: llvm-dis %t2.1.2.internalize.bc -o - | FileCheck %s
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"
; CHECK: define void @f1()
define void @f1() !type !0 {
ret void
}
; CHECK: define internal void @f2()
define void @f2() !type !1 {
ret void
}
define i1 @_start(i1 %i) {
%1 = select i1 %i, void ()* @f1, void ()* @f2
%2 = bitcast void ()* %1 to i8*
%3 = call i1 @llvm.type.test(i8* %2, metadata !"typeid1")
ret i1 %3
}
declare i1 @llvm.type.test(i8*, metadata)
!0 = !{i64 0, !"typeid1"}
!1 = !{i64 0, !"typeid2"}