xref: /llvm-project/llvm/test/CodeGen/RISCV/stack-guard-tls.ll (revision ca57e8f23ff042c0ae996b040f364ced433b7507)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
3; RUN:     | FileCheck %s
4
5define void @foo(i64 %t) sspstrong nounwind {
6; CHECK-LABEL: foo:
7; CHECK:       # %bb.0:
8; CHECK-NEXT:    addi sp, sp, -32
9; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
10; CHECK-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
11; CHECK-NEXT:    addi s0, sp, 32
12; CHECK-NEXT:    ld a1, 500(tp)
13; CHECK-NEXT:    sd a1, -24(s0)
14; CHECK-NEXT:    slli a0, a0, 2
15; CHECK-NEXT:    addi a0, a0, 15
16; CHECK-NEXT:    andi a0, a0, -16
17; CHECK-NEXT:    sub a0, sp, a0
18; CHECK-NEXT:    mv sp, a0
19; CHECK-NEXT:    call baz
20; CHECK-NEXT:    ld a0, 500(tp)
21; CHECK-NEXT:    ld a1, -24(s0)
22; CHECK-NEXT:    bne a0, a1, .LBB0_2
23; CHECK-NEXT:  # %bb.1: # %SP_return
24; CHECK-NEXT:    addi sp, s0, -32
25; CHECK-NEXT:    ld ra, 24(sp) # 8-byte Folded Reload
26; CHECK-NEXT:    ld s0, 16(sp) # 8-byte Folded Reload
27; CHECK-NEXT:    addi sp, sp, 32
28; CHECK-NEXT:    ret
29; CHECK-NEXT:  .LBB0_2: # %CallStackCheckFailBlk
30; CHECK-NEXT:    call __stack_chk_fail
31  %vla = alloca i32, i64 %t, align 4
32  call void @baz(ptr %vla)
33  ret void
34}
35
36declare void @baz(ptr)
37
38!llvm.module.flags = !{!1, !2, !3}
39!1 = !{i32 2, !"stack-protector-guard", !"tls"}
40!2 = !{i32 2, !"stack-protector-guard-reg", !"tp"}
41!3 = !{i32 2, !"stack-protector-guard-offset", i32 500}
42