xref: /llvm-project/llvm/test/CodeGen/AArch64/machine-outliner-throw.ll (revision ebbfdca586d5543c13617b15d0cdf5b7fdc4fd4a)
1; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple=aarch64 < %s | FileCheck %s
2; RUN: llc -verify-machineinstrs -enable-machine-outliner -mtriple=aarch64 -stop-after=machine-outliner < %s | FileCheck %s -check-prefix=TARGET_FEATURES
3
4; Make sure that we haven't added nouwind.
5; TARGET_FEATURES: define internal void @OUTLINED_FUNCTION_0()
6; TARGET_FEATURES-SAME: #[[ATTR_NUM:[0-9]+]]
7; TARGET_FEATURES: attributes #[[ATTR_NUM]] = { minsize optsize }
8
9define dso_local i32 @_Z5func1i(i32 %x) #0 {
10; CHECK-LABEL: _Z5func1i:
11; CHECK:       // %bb.0: // %entry
12; CHECK-NEXT:    stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
13; CHECK-NEXT:    .cfi_def_cfa_offset 16
14; CHECK-NEXT:    .cfi_offset w19, -8
15; CHECK-NEXT:    .cfi_offset w30, -16
16; CHECK-NEXT:    mov w8, #1
17; CHECK-NEXT:    madd w19, w0, w0, w8
18; CHECK-NEXT:    mov w0, #4
19; CHECK-NEXT:    bl __cxa_allocate_exception
20; CHECK-NEXT:    bl OUTLINED_FUNCTION_0
21entry:
22  %mul = mul nsw i32 %x, %x
23  %add = add nuw nsw i32 %mul, 1
24  %exception = tail call ptr @__cxa_allocate_exception(i64 4) #1
25  store i32 %add, ptr %exception, align 16
26  tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #2
27  unreachable
28}
29
30define dso_local i32 @_Z5func2c(i8 %x) #0 {
31; CHECK-LABEL: _Z5func2c:
32; CHECK:       // %bb.0: // %entry
33; CHECK-NEXT:    stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
34; CHECK-NEXT:    .cfi_def_cfa_offset 16
35; CHECK-NEXT:    .cfi_offset w19, -8
36; CHECK-NEXT:    .cfi_offset w30, -16
37; CHECK-NEXT:    and w8, w0, #0xff
38; CHECK-NEXT:    mov w0, #4
39; CHECK-NEXT:    mov w9, #1
40; CHECK-NEXT:    madd w19, w8, w8, w9
41; CHECK-NEXT:    bl __cxa_allocate_exception
42; CHECK-NEXT:    bl OUTLINED_FUNCTION_0
43entry:
44  %conv = zext i8 %x to i32
45  %mul = mul nuw nsw i32 %conv, %conv
46  %add = add nuw nsw i32 %mul, 1
47  %exception = tail call ptr @__cxa_allocate_exception(i64 4) #1
48  store i32 %add, ptr %exception, align 16
49  tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #2
50  unreachable
51}
52
53; CHECK-LABEL: OUTLINED_FUNCTION_0:
54; CHECK:      .cfi_startproc
55; CHECK:        adrp    x1, _ZTIi
56; CHECK-NEXT:   add     x1, x1, :lo12:_ZTIi
57; CHECK-NEXT:   mov     x2, xzr
58; CHECK-NEXT:   str     w19, [x0]
59; CHECK-NEXT:   b       __cxa_throw
60; CHECK:      .cfi_endproc
61
62
63@_ZTIi = external dso_local constant ptr
64declare dso_local ptr @__cxa_allocate_exception(i64) local_unnamed_addr
65declare dso_local void @__cxa_throw(ptr, ptr, ptr) local_unnamed_addr
66
67attributes #0 = { minsize noreturn optsize }
68attributes #1 = { nounwind }
69attributes #2 = { noreturn }
70