blob: 6072943b384772e50af58779c15fbad02e48910a (
plain)
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
}
|
