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
|
;=========================== begin_copyright_notice ============================
;
; Copyright (C) 2020-2021 Intel Corporation
;
; SPDX-License-Identifier: MIT
;
;============================ end_copyright_notice =============================
; RUN: %opt %use_old_pass_manager% -GenXLowerJmpTableSwitch -march=genx64 -mtriple=spir64-unknown-unknown \
; RUN: -mcpu=Gen9 -S < %s | FileCheck %s
; CHECK: switch i32
; CHECK-NOT: @llvm.internal.jump.table
; CHECK-NOT: indirectbr i8*
define dllexport spir_kernel void @foo(i32* %0) {
%2 = load i32, i32* %0
switch i32 %2, label %bb1 [
i32 1, label %bb2
i32 2, label %bb3
i32 3, label %bb3
]
bb1:
br label %bb4
bb2:
br label %bb4
bb3:
br label %bb4
bb4:
%res = phi i32 [0, %bb1], [1, %bb2], [2, %bb3]
store i32 %res, i32* %0
ret void
}
|
