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
40
41
42
43
44
|
; RUN: llc -O0 -mtriple=aarch64-apple-ios -verify-machineinstrs -global-isel -stop-after=legalizer %s -o - | FileCheck %s
@_ZTIi = external global i8*
declare i32 @foo(i32)
declare i32 @__gxx_personality_v0(...)
declare i32 @llvm.eh.typeid.for(i8*)
declare void @_Unwind_Resume(i8*)
; CHECK: name: bar
; CHECK: body:
; CHECK-NEXT: bb.1 (%ir-block.0):
; CHECK: successors: %{{bb.[0-9]+.*}}%[[LP:bb.[0-9]+]]
; CHECK: [[LP]].{{[a-z]+}} (landing-pad):
; CHECK: EH_LABEL
; CHECK: [[PTR:%[0-9]+]]:_(p0) = COPY $x0
; CHECK: [[SEL_PTR:%[0-9]+]]:_(p0) = COPY $x1
; CHECK: [[SEL_PTR_INT:%[0-9]+]]:_(s32) = G_PTRTOINT [[SEL_PTR]](p0)
; CHECK: G_STORE [[PTR]](p0), %0(p0) :: (store (p0) into %ir.exn.slot)
; CHECK: G_STORE [[SEL_PTR_INT]](s32), %1(p0) :: (store (s32) into %ir.ehselector.slot)
define void @bar() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%1 = invoke i32 @foo(i32 42) to label %continue unwind label %cleanup
cleanup:
%2 = landingpad { i8*, i32 } cleanup
%3 = extractvalue { i8*, i32 } %2, 0
store i8* %3, i8** %exn.slot, align 8
%4 = extractvalue { i8*, i32 } %2, 1
store i32 %4, i32* %ehselector.slot, align 4
br label %eh.resume
continue:
ret void
eh.resume:
%exn = load i8*, i8** %exn.slot, align 8
call void @_Unwind_Resume(i8* %exn)
unreachable
}
|
