xref: /llvm-project/llvm/test/CodeGen/PowerPC/jump-table.ll (revision 732f63d96dc5b2cc5a5ad4e1db16bb3b4297fa24)
1833b1e30SChen Zheng; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu -stop-after=finalize-isel \
2833b1e30SChen Zheng; RUN: | FileCheck %s
3833b1e30SChen Zheng; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-ibm-aix -stop-after=finalize-isel \
4833b1e30SChen Zheng; RUN: | FileCheck %s
5833b1e30SChen Zheng; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc-ibm-aix -stop-after=finalize-isel \
6833b1e30SChen Zheng; RUN: | FileCheck %s
7*732f63d9SChen Zheng; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu -stop-after=finalize-isel \
8*732f63d9SChen Zheng; RUN: -min-jump-table-entries=4 | FileCheck %s
9*732f63d9SChen Zheng; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64le-unknown-linux-gnu -stop-after=finalize-isel \
10*732f63d9SChen Zheng; RUN: -ppc-min-jump-table-entries=4 | FileCheck %s -check-prefix=JT
11833b1e30SChen Zheng
12*732f63d9SChen Zheng; JT:   jumpTable:
13*732f63d9SChen Zheng; JT-NEXT:   kind:            label-difference32
14*732f63d9SChen Zheng; JT-NEXT:   entries:
15*732f63d9SChen Zheng; JT-NEXT:     - id:              0
16*732f63d9SChen Zheng
17*732f63d9SChen Zheng; CHECK-NOT: jumpTable:
18833b1e30SChen Zheng
19833b1e30SChen Zhengdefine signext i32 @jt(i32 signext %a, i32 signext %b) {
20833b1e30SChen Zhengentry:
21833b1e30SChen Zheng  switch i32 %a, label %sw.epilog [
22833b1e30SChen Zheng    i32 15, label %return
23833b1e30SChen Zheng    i32 12, label %sw.bb1
24833b1e30SChen Zheng    i32 19, label %sw.bb2
25833b1e30SChen Zheng    i32 27, label %sw.bb3
26833b1e30SChen Zheng    i32 31, label %sw.bb4
27833b1e30SChen Zheng  ]
28833b1e30SChen Zheng
29833b1e30SChen Zhengsw.bb1:                                           ; preds = %entry
30833b1e30SChen Zheng  br label %return
31833b1e30SChen Zheng
32833b1e30SChen Zhengsw.bb2:                                           ; preds = %entry
33833b1e30SChen Zheng  br label %return
34833b1e30SChen Zheng
35833b1e30SChen Zhengsw.bb3:                                           ; preds = %entry
36833b1e30SChen Zheng  br label %return
37833b1e30SChen Zheng
38833b1e30SChen Zhengsw.bb4:                                           ; preds = %entry
39833b1e30SChen Zheng  br label %return
40833b1e30SChen Zheng
41833b1e30SChen Zhengsw.epilog:                                        ; preds = %entry
42833b1e30SChen Zheng  br label %return
43833b1e30SChen Zheng
44833b1e30SChen Zhengreturn:                                           ; preds = %entry, %sw.epilog, %sw.bb4, %sw.bb3, %sw.bb2, %sw.bb1
45833b1e30SChen Zheng  %retval.0 = phi i32 [ 0, %sw.epilog ], [ 51, %sw.bb4 ], [ 49, %sw.bb3 ], [ 48, %sw.bb2 ], [ 46, %sw.bb1 ], [ 45, %entry ]
46833b1e30SChen Zheng  ret i32 %retval.0
47833b1e30SChen Zheng}
48