Convert a llc -filetype=obj test into a llvm-mc test.

llvm-svn: 193534
This commit is contained in:
Rafael Espindola 2013-10-28 20:40:20 +00:00
parent 2b5e65d95b
commit 889a180e5a
2 changed files with 98 additions and 16 deletions

View File

@ -1,10 +1,7 @@
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic %s -o - | FileCheck %s
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -relocation-model=pic -filetype=obj %s -o -| llvm-objdump -r - | FileCheck --check-prefix=CHECK-ELF %s
@var = global i32 0
; CHECK-ELF: RELOCATION RECORDS FOR [.rela.text]
define i32 @get_globalvar() {
; CHECK-LABEL: get_globalvar:
@ -13,8 +10,6 @@ define i32 @get_globalvar() {
; CHECK: ldr x[[GOTLOC:[0-9]+]], [x[[GOTHI]], #:got_lo12:var]
; CHECK: ldr w0, [x[[GOTLOC]]]
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
ret i32 %val
}
@ -25,8 +20,6 @@ define i32* @get_globalvaraddr() {
; CHECK: adrp x[[GOTHI:[0-9]+]], :got:var
; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:var]
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE var
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC var
ret i32* @var
}
@ -39,8 +32,6 @@ define i32 @get_hiddenvar() {
; CHECK: adrp x[[HI:[0-9]+]], hiddenvar
; CHECK: ldr w0, [x[[HI]], #:lo12:hiddenvar]
; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
; CHECK-ELF: R_AARCH64_LDST32_ABS_LO12_NC hiddenvar
ret i32 %val
}
@ -51,8 +42,6 @@ define i32* @get_hiddenvaraddr() {
; CHECK: adrp [[HI:x[0-9]+]], hiddenvar
; CHECK: add x0, [[HI]], #:lo12:hiddenvar
; CHECK-ELF: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
; CHECK-ELF: R_AARCH64_ADD_ABS_LO12_NC hiddenvar
ret i32* @hiddenvar
}
@ -62,9 +51,4 @@ define void()* @get_func() {
ret void()* bitcast(void()*()* @get_func to void()*)
; CHECK: adrp x[[GOTHI:[0-9]+]], :got:get_func
; CHECK: ldr x0, [x[[GOTHI]], #:got_lo12:get_func]
; Particularly important that the ADRP gets a relocation, LLVM tends to think
; it can relax it because it knows where get_func is. It can't!
; CHECK-ELF: R_AARCH64_ADR_GOT_PAGE get_func
; CHECK-ELF: R_AARCH64_LD64_GOT_LO12_NC get_func
}

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@ -0,0 +1,98 @@
// RUN: llvm-mc -triple=aarch64-none-linux-gnu -filetype=obj %s -o -| llvm-objdump -r - | FileCheck %s
// CHECK: RELOCATION RECORDS FOR [.rela.text]
.file "/home/espindola/llvm/llvm/test/CodeGen/AArch64/basic-pic.ll"
.text
.globl get_globalvar
.type get_globalvar,@function
get_globalvar: // @get_globalvar
.cfi_startproc
// BB#0:
adrp x0, :got:var
ldr x0, [x0, #:got_lo12:var]
ldr w0, [x0]
ret
.Ltmp0:
.size get_globalvar, .Ltmp0-get_globalvar
.cfi_endproc
// CHECK: R_AARCH64_ADR_GOT_PAGE var
// CHECK: R_AARCH64_LD64_GOT_LO12_NC var
.globl get_globalvaraddr
.type get_globalvaraddr,@function
get_globalvaraddr: // @get_globalvaraddr
.cfi_startproc
// BB#0:
adrp x0, :got:var
ldr x0, [x0, #:got_lo12:var]
ret
.Ltmp1:
.size get_globalvaraddr, .Ltmp1-get_globalvaraddr
.cfi_endproc
// CHECK: R_AARCH64_ADR_GOT_PAGE var
// CHECK: R_AARCH64_LD64_GOT_LO12_NC var
.globl get_hiddenvar
.type get_hiddenvar,@function
get_hiddenvar: // @get_hiddenvar
.cfi_startproc
// BB#0:
adrp x0, hiddenvar
ldr w0, [x0, #:lo12:hiddenvar]
ret
.Ltmp2:
.size get_hiddenvar, .Ltmp2-get_hiddenvar
.cfi_endproc
// CHECK: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
// CHECK: R_AARCH64_LDST32_ABS_LO12_NC hiddenvar
.globl get_hiddenvaraddr
.type get_hiddenvaraddr,@function
get_hiddenvaraddr: // @get_hiddenvaraddr
.cfi_startproc
// BB#0:
adrp x0, hiddenvar
add x0, x0, #:lo12:hiddenvar
ret
.Ltmp3:
.size get_hiddenvaraddr, .Ltmp3-get_hiddenvaraddr
.cfi_endproc
// CHECK: R_AARCH64_ADR_PREL_PG_HI21 hiddenvar
// CHECK: R_AARCH64_ADD_ABS_LO12_NC hiddenvar
.globl get_func
.type get_func,@function
get_func: // @get_func
.cfi_startproc
// BB#0:
adrp x0, :got:get_func
ldr x0, [x0, #:got_lo12:get_func]
ret
.Ltmp4:
.size get_func, .Ltmp4-get_func
.cfi_endproc
// Particularly important that the ADRP gets a relocation, LLVM tends to think
// it can relax it because it knows where get_func is. It can't!
// CHECK: R_AARCH64_ADR_GOT_PAGE get_func
// CHECK: R_AARCH64_LD64_GOT_LO12_NC get_func
.type var,@object // @var
.bss
.globl var
.align 2
var:
.word 0 // 0x0
.size var, 4
.hidden hiddenvar // @hiddenvar
.type hiddenvar,@object
.globl hiddenvar
.align 2
hiddenvar:
.word 0 // 0x0
.size hiddenvar, 4