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Summary: NAME has already worked for def in a multiclass, since the (protoype) record including its NAME variable is created before parsing the superclasses. Since defm's do not have an associated single record, support for NAME has to be implemented differently here. Original test cases provided by Artem Belevich (tra) Change-Id: I933b74f328c0ff202e7dc23a35b78f3505760cc9 Reviewers: arsenm, craig.topper, tra, MartinO Subscribers: wdng, llvm-commits Differential Revision: https://reviews.llvm.org/D43656 llvm-svn: 326700
51 lines
1.1 KiB
TableGen
51 lines
1.1 KiB
TableGen
// RUN: llvm-tblgen %s | FileCheck %s
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// XFAIL: vg_leak
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class A {}
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class B<A a> {
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A ba = a;
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}
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multiclass M0<string s> {
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def _m0 : B<!cast<A>(s)>;
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// Uncomment to test that !cast will eventually fail if the record it refers
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// to does not exist by the time we instantiate this record from the top
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// level.
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//def _m1 : B<!cast<A>(s#"X")>;
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}
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multiclass M1<string s> {
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def _r1 : A;
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// It would be nice if we could refer to _r1's name without having to pass it
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// explicitly via 's'.
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defm _m1: M0<s # "_r1">;
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}
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multiclass M2 {
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def _x : A {
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string n = NAME;
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}
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def _y : B<!cast<A>(NAME # "_x")>;
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// This used to throw an error during multiclass parsing as NAME was not
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// recognized when parsing the template arguments.
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defm NAME: M1<NAME>;
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}
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defm d0: M2;
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// CHECK-LABEL: def d0_m1_m0
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// CHECK: A ba = d0_r1;
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//
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// CHECK-LABEL: def d0_x {
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// CHECK: string n = "d0";
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//
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// CHECK-LABEL: def d0_y {
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// CHECK: A ba = d0_x;
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// This always works, because d1_r1 is instantiated before d1_m1 which would
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// attempt to !cast to it.
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defm d1: M1<"d1">;
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// CHECK-LABEL: def d1_m1_m0
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// CHECK: A ba = d1_r1;
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