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TheRock/compiler/amd-llvm/bolt/test/AArch64/inline-pauth-lr.s
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

62 lines
1.3 KiB
ArmAsm

# This test checks that inlining functions with the pauth-lr variants of
# fused pointer-auth-and-return instructions is properly handled by BOLT.
# REQUIRES: system-linux
# RUN: %clang %cflags -march=armv9.5-a+pauth-lr -O0 %s -o %t.exe -Wl,-q
# RUN: llvm-bolt --inline-all --print-inline --print-only=_Z3barP1A \
# RUN: %t.exe -o %t.bolt | FileCheck %s
# CHECK: BOLT-INFO: inlined 0 calls at 2 call sites in 2 iteration(s). Change in binary size: 16 bytes.
# CHECK: Binary Function "_Z3barP1A" after inlining {
# CHECK-NOT: bl _Z3fooP1A
# CHECK: paciasppc
# CHECK-NEXT: ldr x8, [x0]
# CHECK-NEXT: ldr w0, [x8]
# CHECK-NEXT: autiasppcr x28
# CHECK-NEXT: paciasppc
# CHECK-NEXT: ldr x7, [x0]
# CHECK-NEXT: ldr w0, [x7]
# CHECK-NEXT: autiasppc _Z3bazP1A
.text
.globl _Z3fooP1A
.type _Z3fooP1A,@function
_Z3fooP1A:
paciasppc
ldr x8, [x0]
ldr w0, [x8]
retaasppcr x28
.size _Z3fooP1A, .-_Z3fooP1A
.text
.globl _Z3bazP1A
.type _Z3bazP1A,@function
_Z3bazP1A:
0:
paciasppc
ldr x7, [x0]
ldr w0, [x7]
retaasppc 0b
.size _Z3bazP1A, .-_Z3bazP1A
.globl _Z3barP1A
.type _Z3barP1A,@function
_Z3barP1A:
stp x29, x30, [sp, #-16]!
mov x29, sp
bl _Z3fooP1A
bl _Z3bazP1A
mul w0, w0, w0
ldp x29, x30, [sp], #16
ret
.size _Z3barP1A, .-_Z3barP1A
.globl main
.p2align 2
.type main,@function
main:
mov w0, wzr
ret
.size main, .-main