You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.5 KiB
79 lines
2.5 KiB
4 months ago
|
# RUN: not --crash llc -march=amdgcn -run-pass=legalizer -o /dev/null %s 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
# CHECK: LLVM ERROR: unable to legalize instruction: %3:_(p0) = G_JUMP_TABLE %jump-table.0 (in function: jt_test)
|
||
|
|
|
||
|
|
# FIXME: This could probably be smaller, but the jump table MIR parsing is very crashy.
|
||
|
|
|
||
|
|
--- |
|
||
|
|
define i32 @jt_test(i32 %x) {
|
||
|
|
entry:
|
||
|
|
switch i32 %x, label %return [
|
||
|
|
i32 75, label %sw.bb
|
||
|
|
i32 34, label %sw.bb
|
||
|
|
i32 56, label %sw.bb
|
||
|
|
i32 35, label %sw.bb
|
||
|
|
i32 40, label %sw.bb
|
||
|
|
i32 4, label %sw.bb1
|
||
|
|
i32 5, label %sw.bb1
|
||
|
|
i32 6, label %sw.bb1
|
||
|
|
]
|
||
|
|
|
||
|
|
sw.bb: ; preds = %entry, %entry, %entry, %entry, %entry
|
||
|
|
%add = add nsw i32 %x, 42
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
sw.bb1: ; preds = %entry, %entry, %entry
|
||
|
|
%mul = mul nsw i32 %x, 3
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
return: ; preds = %sw.bb1, %sw.bb, %entry
|
||
|
|
%retval.0 = phi i32 [ %mul, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ]
|
||
|
|
ret i32 %retval.0
|
||
|
|
}
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: jt_test
|
||
|
|
tracksRegLiveness: true
|
||
|
|
jumpTable:
|
||
|
|
kind: block-address
|
||
|
|
entries:
|
||
|
|
- id: 0
|
||
|
|
blocks: [ '%bb.3', '%bb.3', '%bb.3', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.2', '%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.2', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4',
|
||
|
|
'%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.4', '%bb.2' ]
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
liveins: $sgpr0
|
||
|
|
|
||
|
|
%0:_(s32) = COPY $sgpr0
|
||
|
|
%1:_(s32) = G_CONSTANT i32 0
|
||
|
|
%2:_(s1) = G_ICMP intpred(ugt), %0, %1
|
||
|
|
%3:_(p0) = G_JUMP_TABLE %jump-table.0
|
||
|
|
S_NOP 0, implicit %3
|
||
|
|
G_BRCOND %2, %bb.4
|
||
|
|
|
||
|
|
bb.1.entry:
|
||
|
|
successors: %bb.3(0x2aaaaaab), %bb.4(0x2aaaaaab), %bb.2(0x2aaaaaab)
|
||
|
|
|
||
|
|
G_BR %bb.4
|
||
|
|
|
||
|
|
bb.2.sw.bb:
|
||
|
|
G_BR %bb.4
|
||
|
|
|
||
|
|
bb.3.sw.bb1:
|
||
|
|
|
||
|
|
bb.4.return:
|
||
|
|
S_ENDPGM 0
|
||
|
|
|
||
|
|
...
|