test/CodeGen/MIR/AArch64/return-address-signing.mir

   1 # RUN: llc -mtriple=aarch64-arm-none-eabi -run-pass=prologepilog -o - %s 2>&1 | FileCheck %s
   2 --- |
   3   target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
   4   target triple = "aarch64-arm-none-eabi"
   5
   6   define dso_local i32 @foo() "sign-return-address"="all" "sign-return-address-key"="a_key" {
   7   entry:
   8     ret i32 2
   9   }
  10
  11   define dso_local i32 @bar() "sign-return-address"="all" "sign-return-address-key"="b_key" {
  12   entry:
  13     ret i32 2
  14   }
  15 ...
  16 ---
  17 #CHECK: foo
  18 name:            foo
  19 alignment:       2
  20 tracksRegLiveness: true
  21 frameInfo:
  22   maxCallFrameSize: 0
  23 #CHECK:    frame-setup PACIASP implicit-def $lr, implicit $lr, implicit $sp
  24 #CHECK:    frame-setup CFI_INSTRUCTION negate_ra_sign_state
  25 #CHECK:    frame-destroy AUTIASP implicit-def $lr, implicit $lr, implicit $sp
  26 body:             |
  27   bb.0.entry:
  28     $w0 = MOVi32imm 2
  29     RET_ReallyLR implicit killed $w0
  30
  31 ...
  32 ---
  33 #CHECK: bar
  34 name:            bar
  35 alignment:       2
  36 tracksRegLiveness: true
  37 frameInfo:
  38   maxCallFrameSize: 0
  39 #CHECK:    frame-setup EMITBKEY
  40 #CHECK:    frame-setup PACIBSP implicit-def $lr, implicit $lr, implicit $sp
  41 #CHECK:    frame-setup CFI_INSTRUCTION negate_ra_sign_state
  42 #CHECK:    frame-destroy AUTIBSP implicit-def $lr, implicit $lr, implicit $sp
  43 body:             |
  44   bb.0.entry:
  45     $w0 = MOVi32imm 2
  46     RET_ReallyLR implicit killed $w0
  47
  48 ...