[PATCH] D149314: [RISCV] Remove support for attribute interrupt("user").

[Craig Topper via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG05d0caef6081: [RISCV] Remove support for attribute interrupt("user"). (authored by craig.topper).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D149314/new/

https://reviews.llvm.org/D149314

Files:
  clang/include/clang/Basic/Attr.td
  clang/lib/CodeGen/TargetInfo.cpp
  clang/test/Sema/riscv-interrupt-attr.c


Index: clang/test/Sema/riscv-interrupt-attr.c
===================================================================
--- clang/test/Sema/riscv-interrupt-attr.c
+++ clang/test/Sema/riscv-interrupt-attr.c
@@ -4,26 +4,21 @@
 // RUN: %clang_cc1 %s -triple riscv64-unknown-elf -verify -fsyntax-only
 
 #if defined(CHECK_IR)
-// CHECK-LABEL:  @foo_user() #0
-// CHECK: ret void
-__attribute__((interrupt("user"))) void foo_user(void) {}
-// CHECK-LABEL:  @foo_supervisor() #1
+// CHECK-LABEL:  @foo_supervisor() #0
 // CHECK: ret void
 __attribute__((interrupt("supervisor"))) void foo_supervisor(void) {}
-// CHECK-LABEL:  @foo_machine() #2
+// CHECK-LABEL:  @foo_machine() #1
 // CHECK: ret void
 __attribute__((interrupt("machine"))) void foo_machine(void) {}
-// CHECK-LABEL:  @foo_default() #2
+// CHECK-LABEL:  @foo_default() #1
 // CHECK: ret void
 __attribute__((interrupt())) void foo_default(void) {}
-// CHECK-LABEL:  @foo_default2() #2
+// CHECK-LABEL:  @foo_default2() #1
 // CHECK: ret void
 __attribute__((interrupt())) void foo_default2(void) {}
 // CHECK: attributes #0
-// CHECK: "interrupt"="user"
-// CHECK: attributes #1
 // CHECK: "interrupt"="supervisor"
-// CHECK: attributes #2
+// CHECK: attributes #1
 // CHECK: "interrupt"="machine"
 #else
 struct a { int b; };
@@ -31,8 +26,10 @@
 struct a test __attribute__((interrupt)); // expected-warning {{'interrupt' attribute only applies to functions}}
 
 __attribute__((interrupt("USER"))) void foo1(void) {} // expected-warning {{'interrupt' attribute argument not supported: USER}}
+__attribute__((interrupt("user"))) void foo1b(void) {} // expected-warning {{'interrupt' attribute argument not supported: user}}
+__attribute__((interrupt("MACHINE"))) void foo1c(void) {} // expected-warning {{'interrupt' attribute argument not supported: MACHINE}}
 
-__attribute__((interrupt("user", 1))) void foo2(void) {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
+__attribute__((interrupt("machine", 1))) void foo2(void) {} // expected-error {{'interrupt' attribute takes no more than 1 argument}}
 
 __attribute__((interrupt)) int foo3(void) {return 0;} // expected-warning {{RISC-V 'interrupt' attribute only applies to functions that have a 'void' return type}}
 
@@ -41,7 +38,7 @@
 
 __attribute__((interrupt())) void foo5(int a) {} // expected-warning {{RISC-V 'interrupt' attribute only applies to functions that have no parameters}}
 
-__attribute__((interrupt("user"), interrupt("supervisor"))) void foo6(void) {} // expected-warning {{repeated RISC-V 'interrupt' attribute}} \
+__attribute__((interrupt("machine"), interrupt("supervisor"))) void foo6(void) {} // expected-warning {{repeated RISC-V 'interrupt' attribute}} \
   // expected-note {{repeated RISC-V 'interrupt' attribute is here}}
 
 __attribute__((interrupt, interrupt)) void foo7(void) {} // expected-warning {{repeated RISC-V 'interrupt' attribute}} \
@@ -49,11 +46,9 @@
 
 __attribute__((interrupt(""))) void foo8(void) {} // expected-warning {{'interrupt' attribute argument not supported}}
 
-__attribute__((interrupt("user"))) void foo9(void);
 __attribute__((interrupt("supervisor"))) void foo9(void);
 __attribute__((interrupt("machine"))) void foo9(void);
 
-__attribute__((interrupt("user"))) void foo10(void) {}
 __attribute__((interrupt("supervisor"))) void foo11(void) {}
 __attribute__((interrupt("machine"))) void foo12(void) {}
 __attribute__((interrupt())) void foo13(void) {}
Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -11524,7 +11524,6 @@
 
     const char *Kind;
     switch (Attr->getInterrupt()) {
-    case RISCVInterruptAttr::user: Kind = "user"; break;
     case RISCVInterruptAttr::supervisor: Kind = "supervisor"; break;
     case RISCVInterruptAttr::machine: Kind = "machine"; break;
     }
Index: clang/include/clang/Basic/Attr.td
===================================================================
--- clang/include/clang/Basic/Attr.td
+++ clang/include/clang/Basic/Attr.td
@@ -1864,8 +1864,8 @@
   let Spellings = [GCC<"interrupt">];
   let Subjects = SubjectList<[Function]>;
   let Args = [EnumArgument<"Interrupt", "InterruptType",
-                           ["user", "supervisor", "machine"],
-                           ["user", "supervisor", "machine"],
+                           ["supervisor", "machine"],
+                           ["supervisor", "machine"],
                            1>];
   let ParseKind = "Interrupt";
   let Documentation = [RISCVInterruptDocs];


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