forked from OSchip/llvm-project
108 lines
3.4 KiB
ArmAsm
108 lines
3.4 KiB
ArmAsm
# REQUIRES: aarch64
|
|
# RUN: rm -rf %t && split-file %s %t
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/a.s -o %t/a.o
|
|
# RUN: ld.lld %t/a.o -T %t/out-of-adr-range-low.t -o %t/a-low
|
|
# RUN: llvm-objdump --no-show-raw-insn -d %t/a-low | FileCheck %s --check-prefix=OUT-OF-RANGE
|
|
# RUN: ld.lld %t/a.o -T %t/out-of-adr-range-high.t -o %t/a-high
|
|
# RUN: llvm-objdump --no-show-raw-insn -d %t/a-high | FileCheck %s --check-prefix=OUT-OF-RANGE
|
|
|
|
# OUT-OF-RANGE: adrp x30
|
|
# OUT-OF-RANGE-NEXT: add x30, x30
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/a.s -o %t/a.o
|
|
# RUN: ld.lld %t/a.o -T %t/within-adr-range-low.t -o %t/a-low
|
|
# RUN: llvm-objdump --no-show-raw-insn -d %t/a-low | FileCheck %s --check-prefix=IN-RANGE-LOW
|
|
|
|
# IN-RANGE-LOW: nop
|
|
# IN-RANGE-LOW-NEXT: adr x30
|
|
# IN-RANGE-LOW-NEXT: adrp x1
|
|
# IN-RANGE-LOW-NEXT: add x1
|
|
# IN-RANGE-LOW-NEXT: adrp x15
|
|
# IN-RANGE-LOW-NEXT: add x15
|
|
|
|
## ADRP and ADD use different registers, no relaxations should be applied.
|
|
# IN-RANGE-LOW-NEXT: adrp x2
|
|
# IN-RANGE-LOW-NEXT: add x3, x2
|
|
|
|
## ADRP and ADD use different registers, no relaxations should be applied.
|
|
# IN-RANGE-LOW-NEXT: adrp x2
|
|
# IN-RANGE-LOW-NEXT: add x2, x3
|
|
|
|
# RUN: ld.lld %t/a.o -T %t/within-adr-range-high.t -o %t/a-high
|
|
# RUN: llvm-objdump --no-show-raw-insn -d %t/a-high | FileCheck %s --check-prefix=IN-RANGE-HIGH
|
|
|
|
# IN-RANGE-HIGH: nop
|
|
# IN-RANGE-HIGH-NEXT: adr x30
|
|
# IN-RANGE-HIGH-NEXT: nop
|
|
# IN-RANGE-HIGH-NEXT: adr x1
|
|
# IN-RANGE-HIGH-NEXT: nop
|
|
# IN-RANGE-HIGH-NEXT: adr x15
|
|
|
|
## ADRP and ADD use different registers, no relaxations should be applied.
|
|
# IN-RANGE-HIGH-NEXT: adrp x2
|
|
# IN-RANGE-HIGH-NEXT: add x3, x2
|
|
|
|
## ADRP and ADD use different registers, no relaxations should be applied.
|
|
# IN-RANGE-HIGH-NEXT: adrp x2
|
|
# IN-RANGE-HIGH-NEXT: add x2, x3
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=aarch64 %t/a.s -o %t/a.o
|
|
# RUN: ld.lld %t/a.o -T %t/within-adr-range-low.t --no-relax -o %t/a
|
|
## --no-relax disables relaxations.
|
|
# RUN: llvm-objdump --no-show-raw-insn -d %t/a | FileCheck %s --check-prefix=OUT-OF-RANGE
|
|
|
|
## .rodata and .text are close to each other,
|
|
## the adrp + add pair can be relaxed to nop + adr, moreover, the address difference
|
|
## is equal to the lowest allowed value.
|
|
#--- within-adr-range-low.t
|
|
SECTIONS {
|
|
.rodata 0x1000: { *(.rodata) }
|
|
.text 0x100ffc: { *(.text) }
|
|
}
|
|
|
|
## .rodata and .text are far apart,
|
|
## the adrp + add pair cannot be relaxed to nop + adr, moreover, the address difference
|
|
## is equal to the lowest allowed value minus one.
|
|
#--- out-of-adr-range-low.t
|
|
SECTIONS {
|
|
.rodata 0x1000: { *(.rodata) }
|
|
.text 0x100ffd: { *(.text) }
|
|
}
|
|
|
|
## .rodata and .text are close to each other,
|
|
## the adrp + add pair can be relaxed to nop + adr, moreover, the address difference
|
|
## is equal to the highest allowed value.
|
|
#--- within-adr-range-high.t
|
|
SECTIONS {
|
|
.text 0x1000: { *(.text) }
|
|
.rodata 0x101003: { *(.rodata) }
|
|
}
|
|
|
|
## .rodata and .text are far apart,
|
|
## the adrp + add pair cannot be relaxed to nop + adr, moreover, the address difference
|
|
## is equal to the highest allowed value plus one.
|
|
#--- out-of-adr-range-high.t
|
|
SECTIONS {
|
|
.text 0x1000: { *(.text) }
|
|
.rodata 0x101004: { *(.rodata) }
|
|
}
|
|
|
|
#--- a.s
|
|
.rodata
|
|
x:
|
|
.word 10
|
|
.text
|
|
.global _start
|
|
_start:
|
|
adrp x30, x
|
|
add x30, x30, :lo12:x
|
|
adrp x1, x
|
|
add x1, x1, :lo12:x
|
|
adrp x15, x
|
|
add x15, x15, :lo12:x
|
|
adrp x2, x
|
|
add x3, x2, :lo12:x
|
|
adrp x2, x
|
|
add x2, x3, :lo12:x
|