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comparison llvm/test/TableGen/2010-03-24-PrematureDefaults.td @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children c4bab56944e8
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147:c2174574ed3a 150:1d019706d866
1 // RUN: llvm-tblgen %s | FileCheck %s
2 // XFAIL: vg_leak
3
4 class A<int k, bits<2> x = 1> {
5 int K = k;
6 bits<2> Bits = x;
7 }
8
9 // CHECK: def a1
10 // CHECK: Bits = { 0, 1 }
11 def a1 : A<12>;
12
13 // CHECK: def a2
14 // CHECK: Bits = { 1, 0 }
15 def a2 : A<13, 2>;
16
17 // Here was the bug: X.Bits would get resolved to the default a1.Bits while
18 // resolving the first template argument. When the second template argument
19 // was processed, X would be set correctly, but Bits retained the default
20 // value.
21 class B<int k, A x = a1> {
22 A X = x;
23 bits<2> Bits = X.Bits;
24 }
25
26 // CHECK: def b1
27 // CHECK: Bits = { 0, 1 }
28 def b1 : B<27>;
29
30 // CHECK: def b2
31 // CHECK: Bits = { 1, 0 }
32 def b2 : B<28, a2>;
33
34 class C<A x = a1> {
35 bits<2> Bits = x.Bits;
36 }
37
38 // CHECK: def c1
39 // CHECK: Bits = { 0, 1 }
40 def c1 : C;
41
42 // CHECK: def c2
43 // CHECK: Bits = { 1, 0 }
44 def c2 : C<a2>;