1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -enable-machine-outliner -mattr=+m -mtriple=riscv64 < %s | FileCheck %s
3
4; Ensure that we won't outline CFIs when they are needed in unwinding.
5
6define i32 @func1(i32 %x) #0 {
7; CHECK-LABEL: func1:
8; CHECK:       # %bb.0: # %entry
9; CHECK-NEXT:    addi sp, sp, -16
10; CHECK-NEXT:    .cfi_def_cfa_offset 16
11; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
12; CHECK-NEXT:    sd s0, 0(sp) # 8-byte Folded Spill
13; CHECK-NEXT:    .cfi_offset ra, -8
14; CHECK-NEXT:    .cfi_offset s0, -16
15; CHECK-NEXT:    mulw a0, a0, a0
16; CHECK-NEXT:    addiw s0, a0, 1
17; CHECK-NEXT:    li a0, 4
18; CHECK-NEXT:    call __cxa_allocate_exception@plt
19; CHECK-NEXT:    sw s0, 0(a0)
20; CHECK-NEXT:    lui a1, %hi(_ZTIi)
21; CHECK-NEXT:    addi a1, a1, %lo(_ZTIi)
22; CHECK-NEXT:    li a2, 0
23; CHECK-NEXT:    call __cxa_throw@plt
24entry:
25  %mul = mul i32 %x, %x
26  %add = add i32 %mul, 1
27  %exception = tail call i8* @__cxa_allocate_exception(i64 4)
28  %0 = bitcast i8* %exception to i32*
29  store i32 %add, i32* %0
30  tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
31  unreachable
32}
33
34define i32 @func2(i32 %x) #0 {
35; CHECK-LABEL: func2:
36; CHECK:       # %bb.0: # %entry
37; CHECK-NEXT:    addi sp, sp, -16
38; CHECK-NEXT:    .cfi_def_cfa_offset 16
39; CHECK-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
40; CHECK-NEXT:    sd s0, 0(sp) # 8-byte Folded Spill
41; CHECK-NEXT:    .cfi_offset ra, -8
42; CHECK-NEXT:    .cfi_offset s0, -16
43; CHECK-NEXT:    mulw a0, a0, a0
44; CHECK-NEXT:    addiw s0, a0, 1
45; CHECK-NEXT:    li a0, 4
46; CHECK-NEXT:    call __cxa_allocate_exception@plt
47; CHECK-NEXT:    sw s0, 0(a0)
48; CHECK-NEXT:    lui a1, %hi(_ZTIi)
49; CHECK-NEXT:    addi a1, a1, %lo(_ZTIi)
50; CHECK-NEXT:    li a2, 0
51; CHECK-NEXT:    call __cxa_throw@plt
52entry:
53  %mul = mul i32 %x, %x
54  %add = add i32 %mul, 1
55  %exception = tail call i8* @__cxa_allocate_exception(i64 4)
56  %0 = bitcast i8* %exception to i32*
57  store i32 %add, i32* %0
58  tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
59  unreachable
60}
61
62@_ZTIi = external constant i8*
63declare i8* @__cxa_allocate_exception(i64)
64declare void @__cxa_throw(i8*, i8*, i8*)
65
66attributes #0 = { minsize noreturn }
67