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Fix multiclass inheritance to limit value resolution to new defs added

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by base multiclasses.  Do not attempt to alter defs from previous base
multiclasses.  This fixes multiple multiclass inheritance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69974 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2009-04-24 16:55:41 +00:00
parent 1c2c462d0f
commit d34a73b3b7
4 changed files with 117 additions and 30 deletions
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50
test/TableGen/MultiClassInherit.td
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@@ -1,4 +1,4 @@
// RUN: tblgen %s | grep {zing = 4} | count 4
// RUN: tblgen %s | grep {zing = 4} | count 28
class C1<int A, string B> {
int bar = A;
@@ -8,25 +8,57 @@ class C1<int A, string B> {
def T : C1<4, "blah">;
multiclass t<int a> {
def S1 : C1<a, "foo"> {
multiclass t1<int a1> {
def S1 : C1<a1, "foo"> {
int foo = 4;
let bar = 1;
}
def S2 : C1<a, "bar">;
def S2 : C1<a1, "bar">;
}
multiclass s<int a, int b> : t<a> {
def S3 : C1<b, "moo"> {
multiclass t2<int a2> {
def S3 : C1<a2, "foo"> {
int foo = 4;
let bar = 1;
}
def S4 : C1<a2, "bar">;
}
multiclass s1<int as1, int bs1> : t1<as1> {
def S5 : C1<bs1, "moo"> {
int moo = 3;
let bar = 1;
}
def S4 : C1<b, "baz">;
def S6 : C1<bs1, "baz">;
}
defm FOO : s<42, 24>;
multiclass s2<int as2> : t1<as2>, t2<as2>;
multiclass s3<int as3, int bs3> : t1<as3>, t2<as3> {
def S7 : C1<bs3, "moo"> {
int moo = 3;
let bar = 1;
}
def S8 : C1<bs3, "baz">;
}
let zing = 4 in
defm FOO1 : s1<42, 24>;
let zing = 4 in
defm FOO2 : s2<99>;
let zing = 4 in
defm FOO3 : s3<84, 48>;
def T4 : C1<6, "foo">;
let zing = 4 in
defm BAZ : s<3, 4>;
defm BAZ1 : s1<3, 4>;
let zing = 4 in
defm BAZ2 : s2<5>;
let zing = 4 in
defm BAZ3 : s3<6, 7>;