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llvm-mirror/test/LTO/Resolution/X86/common2.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

71 lines
2.5 KiB
LLVM

; RUN: llvm-as < %s > %t1.bc
; RUN: llvm-as < %p/Inputs/common2.ll > %t2.bc
; Test that the common merging (size + alignment) is properly handled
; Client marked the "large with little alignment" one as prevailing
; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,x \
; RUN: -r %t2.bc,v,px \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=LARGE-PREVAILED
; Same as before, but reversing the order of the inputs
; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,x \
; RUN: -r %t2.bc,v,px \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=LARGE-PREVAILED
; Client marked the "small with large alignment" one as prevailing
; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,px \
; RUN: -r %t2.bc,v,x \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=SMALL-PREVAILED
; Same as before, but reversing the order of the inputs
; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,px \
; RUN: -r %t2.bc,v,x \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=SMALL-PREVAILED
; Client didn't mark any as prevailing, we keep the first one we see as "external"
; RUN: llvm-lto2 run %t1.bc %t2.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,x \
; RUN: -r %t2.bc,v,x \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=NONE-PREVAILED1
; Same as before, but reversing the order of the inputs
; RUN: llvm-lto2 run %t2.bc %t1.bc -o %t.o -save-temps \
; RUN: -r %t1.bc,v,x \
; RUN: -r %t2.bc,v,x \
; RUN: -r %t1.bc,foo,px \
; RUN: -r %t2.bc,bar,px
; RUN: llvm-dis < %t.o.0.0.preopt.bc | FileCheck %s --check-prefix=NONE-PREVAILED2
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"
@v = common global i8 0, align 8
; LARGE-PREVAILED: @v = common global i16 0, align 8
; SMALL-PREVAILED: @v = common global [2 x i8] zeroinitializer, align 8
; BOTH-PREVAILED1: @v = common global i16 0, align 8
; BOTH-PREVAILED2: common global [2 x i8] zeroinitializer, align 8
; In this case the first is kept as external
; NONE-PREVAILED1: @v = external global i8, align 8
; NONE-PREVAILED2: @v = external global i16, align 4
define i8 *@foo() {
ret i8 *@v
}