File: saverestore-scs.ll

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 (39 lines) | stat: -rw-r--r-- 1,527 bytes parent folder | download | duplicates (12)
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
28
29
30
31
32
33
34
35
36
37
38
39
;; Check that shadow call stack doesn't interfere with save/restore

; RUN: llc -mtriple=riscv32 < %s | FileCheck %s -check-prefix=RV32I
; RUN: llc -mtriple=riscv64 < %s | FileCheck %s -check-prefix=RV64I
; RUN: llc -mtriple=riscv32 -mattr=+save-restore < %s | FileCheck %s -check-prefix=RV32I-SR
; RUN: llc -mtriple=riscv64 -mattr=+save-restore < %s | FileCheck %s -check-prefix=RV64I-SR
; RUN: llc -mtriple=riscv32 -mattr=+f,+save-restore -target-abi=ilp32f < %s | FileCheck %s -check-prefix=RV32I-FP-SR
; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+save-restore -target-abi=lp64d < %s | FileCheck %s -check-prefix=RV64I-FP-SR

@var2 = global [30 x i32] zeroinitializer

define void @callee_scs() nounwind shadowcallstack {
; RV32I-LABEL: callee_scs:
; RV32I-NOT:     call t0, __riscv_save
; RV32I-NOT:     tail __riscv_restore
;
; RV64I-LABEL: callee_scs:
; RV64I-NOT:     call t0, __riscv_save
; RV64I-NOT:     tail __riscv_restore
;
; RV32I-SR-LABEL: callee_scs:
; RV32I-SR:         call t0, __riscv_save_12
; RV32I-SR:         tail __riscv_restore_12
;
; RV64I-SR-LABEL: callee_scs:
; RV64I-SR:         call t0, __riscv_save_12
; RV64I-SR:         tail __riscv_restore_12
;
; RV32I-FP-SR-LABEL: callee_scs:
; RV32I-FP-SR:         call t0, __riscv_save_12
; RV32I-FP-SR:         tail __riscv_restore_12
;
; RV64I-FP-SR-LABEL: callee_scs:
; RV64I-FP-SR:         call t0, __riscv_save_12
; RV64I-FP-SR:         tail __riscv_restore_12
  %val = load [30 x i32], ptr @var2
  store volatile [30 x i32] %val, ptr @var2
  ret void
}