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TheRock/compiler/amd-llvm/bolt/test/AArch64/veneer-lite-mode.s
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41 lines
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ArmAsm

## Check that llvm-bolt correctly handles veneers in lite mode.
##
## Constant island at the end of function foo makes it larger than 128MB thus
## a veneer is needed to call foo from _start.
## Check that BOLT recognizes the veneer in lite mode even when the veneer is
## not covered by the profile.
# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
# RUN: link_fdata %s %t.o %t.fdata
# RUN: llvm-strip --strip-unneeded %t.o
# RUN: %clang %cflags %t.o -o %t.exe -nostdlib -Wl,-q
# RUN: llvm-objdump --disassemble-symbols=_start %t.exe \
# RUN: | FileCheck %s --check-prefix=CHECK-INPUT
# RUN: llvm-bolt %t.exe -o %t.bolt --lite=1 --data %t.fdata --print-normalized \
# RUN: | FileCheck %s --check-prefix=CHECK-BOLT
.text
.global foo
.type foo, %function
foo:
ret
.space 0x8000000
.size foo, .-foo
.global _start
.type _start, %function
_start:
# FDATA: 0 [unknown] 0 1 _start 0 0 100
bl foo
ret
.size _start, .-_start
# CHECK-INPUT-LABEL: <_start>:
# CHECK-INPUT-NEXT: bl {{.*}} <__AArch64ADRPThunk_foo>
## Check that BOLT sees the call to foo, not to its veneer.
# CHECK-BOLT-LABEL: Binary Function "_start"
# CHECK-BOLT: bl
# CHECK-BOLT-SAME: {{[[:space:]]foo[[:space:]]}}