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[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.
This commit is contained in:
Fangrui Song 2020-12-04 18:35:45 -08:00
parent 03fc4f2e9a
commit fd32639823
3 changed files with 69 additions and 24 deletions
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18
llvm/test/CodeGen/AArch64/tagged-globals.ll → llvm/test/CodeGen/AArch64/tagged-globals-pic.ll
View File

@ -1,5 +1,3 @@
; 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]

69
llvm/test/CodeGen/AArch64/tagged-globals-static.ll Normal file
View File

@ -0,0 +1,69 @@
; 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" }

6
llvm/test/tools/gold/X86/relocation-model-pic.ll
View File

@ -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"