File: ptrauth-pseudo-instructions.mir

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (27 lines) | stat: -rw-r--r-- 687 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# RUN: llc -mtriple=aarch64--- -run-pass=aarch64-ptrauth -verify-machineinstrs %s -o - | FileCheck %s

# Test the corner cases that cannot be reliably tested using LLVM IR as input.

--- |
  define i64 @blend_untied(i64 %unused, i64 %ptr_arg) {
    ret i64 0
  }
...
---
# Check that the input register is copied to the output one, if not tied.

name:            blend_untied
tracksRegLiveness: true
body:             |
  bb.0:
  liveins: $lr, $x0, $x1
    $x0 = PAUTH_BLEND $x1, 42
    RET undef $lr

# CHECK:       liveins: $lr, $x0, $x1
# CHECK-NEXT:    {{^ +$}}
# CHECK-NEXT:    $x0 = ORRXrs $xzr, $x1, 0
# CHECK-NEXT:    $x0 = MOVKXi $x0, 42, 48
# CHECK-NEXT:    RET undef $lr

...