Commit fd326398 authored by Fangrui Song's avatar Fangrui Song
Browse files

[test] Split some tests which test both static and pic relocation models 

TargetMachine::shouldAssumeDSOLocal currently implies dso_local for
Static. Split some tests so that these `external dso_local global`
will align with the Clang behavior.
parent 03fc4f2e

llvm/test/CodeGen/AArch64/tagged-globals.ll→llvm/test/CodeGen/AArch64/tagged-globals-pic.ll

+0 −18
Original line number Diff line number Diff line 
; RUN: llc --relocation-model=static < %s \

; RUN:   | FileCheck %s --check-prefixes=CHECK-STATIC,CHECK-SELECTIONDAGISEL

; RUN: llc --relocation-model=pic < %s \

; RUN:   | FileCheck %s --check-prefix=CHECK-PIC
@@ -14,8 +12,6 @@ 
; things are a problem as GlobalISel is only used by default at -O0, so we don't

; mind the code size and performance increase.



; RUN: llc --aarch64-enable-global-isel-at-O=0 -O0 < %s \

; RUN:   | FileCheck %s --check-prefixes=CHECK-STATIC,CHECK-GLOBALISEL

; RUN: llc --aarch64-enable-global-isel-at-O=0 -O0 --relocation-model=pic < %s \

; RUN:   | FileCheck %s --check-prefix=CHECK-PIC
@@ -26,15 +22,6 @@ target triple = "aarch64-unknown-linux-android" 
declare void @func()



define i32* @global_addr() #0 {

  ; Static relocation model has common codegen between SelectionDAGISel and

  ; GlobalISel when the address-taken of a global isn't folded into a load or

  ; store instruction.

  ; CHECK-STATIC: global_addr:

  ; CHECK-STATIC: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-STATIC: movk [[REG]], #:prel_g3:global+4294967296

  ; CHECK-STATIC: add x0, [[REG]], :lo12:global

  ; CHECK-STATIC: ret



  ; CHECK-PIC: global_addr:

  ; CHECK-PIC: adrp [[REG:x[0-9]+]], :got:global

  ; CHECK-PIC: ldr x0, {{\[}}[[REG]], :got_lo12:global]
@@ -90,11 +77,6 @@ define void @global_store() #0 { 
}



define void ()* @func_addr() #0 {

  ; CHECK-STATIC: func_addr:

  ; CHECK-STATIC: adrp [[REG:x[0-9]+]], func

  ; CHECK-STATIC: add x0, [[REG]], :lo12:func

  ; CHECK-STATIC: ret



  ; CHECK-PIC: func_addr:

  ; CHECK-PIC: adrp [[REG:x[0-9]+]], :got:func

  ; CHECK-PIC: ldr  x0, {{\[}}[[REG]], :got_lo12:func]

llvm/test/CodeGen/AArch64/tagged-globals-static.ll

0 → 100644
+69 −0
Original line number Diff line number Diff line 
; RUN: llc --relocation-model=static < %s \

; RUN:   | FileCheck %s --check-prefixes=CHECK-STATIC,CHECK-SELECTIONDAGISEL



; RUN: llc --aarch64-enable-global-isel-at-O=0 -O0 < %s \

; RUN:   | FileCheck %s --check-prefixes=CHECK-STATIC,CHECK-GLOBALISEL



target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"

target triple = "aarch64-unknown-linux-android"



@global = external dso_local global i32

declare void @func()



define i32* @global_addr() #0 {

  ; Static relocation model has common codegen between SelectionDAGISel and

  ; GlobalISel when the address-taken of a global isn't folded into a load or

  ; store instruction.

  ; CHECK-STATIC: global_addr:

  ; CHECK-STATIC: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-STATIC: movk [[REG]], #:prel_g3:global+4294967296

  ; CHECK-STATIC: add x0, [[REG]], :lo12:global

  ; CHECK-STATIC: ret



  ret i32* @global

}



define i32 @global_load() #0 {

  ; CHECK-SELECTIONDAGISEL: global_load:

  ; CHECK-SELECTIONDAGISEL: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-SELECTIONDAGISEL: ldr w0, {{\[}}[[REG]], :lo12:global{{\]}}

  ; CHECK-SELECTIONDAGISEL: ret



  ; CHECK-GLOBALISEL: global_load:

  ; CHECK-GLOBALISEL: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-GLOBALISEL: movk [[REG]], #:prel_g3:global+4294967296

  ; CHECK-GLOBALISEL: add [[REG]], [[REG]], :lo12:global

  ; CHECK-GLOBALISEL: ldr w0, {{\[}}[[REG]]{{\]}}

  ; CHECK-GLOBALISEL: ret



  %load = load i32, i32* @global

  ret i32 %load

}



define void @global_store() #0 {

  ; CHECK-SELECTIONDAGISEL: global_store:

  ; CHECK-SELECTIONDAGISEL: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-SELECTIONDAGISEL: str wzr, {{\[}}[[REG]], :lo12:global{{\]}}

  ; CHECK-SELECTIONDAGISEL: ret



  ; CHECK-GLOBALISEL: global_store:

  ; CHECK-GLOBALISEL: adrp [[REG:x[0-9]+]], :pg_hi21_nc:global

  ; CHECK-GLOBALISEL: movk [[REG]], #:prel_g3:global+4294967296

  ; CHECK-GLOBALISEL: add [[REG]], [[REG]], :lo12:global

  ; CHECK-GLOBALISEL: str wzr, {{\[}}[[REG]]{{\]}}

  ; CHECK-GLOBALISEL: ret



  store i32 0, i32* @global

  ret void

}



define void ()* @func_addr() #0 {

  ; CHECK-STATIC: func_addr:

  ; CHECK-STATIC: adrp [[REG:x[0-9]+]], func

  ; CHECK-STATIC: add x0, [[REG]], :lo12:func

  ; CHECK-STATIC: ret



  ret void ()* @func

}



attributes #0 = { "target-features"="+tagged-globals" }

llvm/test/tools/gold/X86/relocation-model-pic.ll

+0 −6
Original line number Diff line number Diff line
@@ -24,11 +24,6 @@ 
; RUN:    --plugin-opt=save-temps %t.o -o %t-out

; RUN: llvm-readobj -r %t-out.lto.o | FileCheck %s --check-prefix=PIC



; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \

; RUN:    --export-dynamic --noinhibit-exec \

; RUN:    --plugin-opt=save-temps %t.o -o %t-out

; RUN: llvm-readobj -r %t-out.lto.o | FileCheck %s --check-prefix=STATIC



; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \

; RUN:    -r \

; RUN:    --plugin-opt=save-temps %t.o -o %t-out
@@ -36,7 +31,6 @@ 




; PIC: R_X86_64_GOTPCREL foo

; STATIC: R_X86_64_PC32 foo



target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

target triple = "x86_64-unknown-linux-gnu"