[clang] 05d0cae - [RISCV] Remove support for attribute interrupt("user").
Craig Topper via cfe-commits
cfe-commits at lists.llvm.org
Thu Apr 27 08:21:44 PDT 2023
Author: Craig Topper
Date: 2023-04-27T08:21:36-07:00
New Revision: 05d0caef6081e1a6cb23a5a5afe43dc82e8ca558
URL: https://github.com/llvm/llvm-project/commit/05d0caef6081e1a6cb23a5a5afe43dc82e8ca558
DIFF: https://github.com/llvm/llvm-project/commit/05d0caef6081e1a6cb23a5a5afe43dc82e8ca558.diff
LOG: [RISCV] Remove support for attribute interrupt("user").
This was part of the N extension which didn't make it version
1.12 of the privilege specification.
Reviewed By: kito-cheng
Differential Revision: https://reviews.llvm.org/D149314
Added:
Modified:
clang/include/clang/Basic/Attr.td
clang/lib/CodeGen/TargetInfo.cpp
clang/test/Sema/riscv-interrupt-attr.c
Removed:
################################################################################
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
index a23dd5ce3634b..4863ece832307 100644
--- a/clang/include/clang/Basic/Attr.td
+++ b/clang/include/clang/Basic/Attr.td
@@ -1864,8 +1864,8 @@ def RISCVInterrupt : InheritableAttr, TargetSpecificAttr<TargetRISCV> {
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];
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index cc332aeee40d4..a19f1605bd3aa 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -11524,7 +11524,6 @@ class RISCVTargetCodeGenInfo : public TargetCodeGenInfo {
const char *Kind;
switch (Attr->getInterrupt()) {
- case RISCVInterruptAttr::user: Kind = "user"; break;
case RISCVInterruptAttr::supervisor: Kind = "supervisor"; break;
case RISCVInterruptAttr::machine: Kind = "machine"; break;
}
diff --git a/clang/test/Sema/riscv-interrupt-attr.c b/clang/test/Sema/riscv-interrupt-attr.c
index 2f5f2a44c778d..e66a5799bb394 100644
--- a/clang/test/Sema/riscv-interrupt-attr.c
+++ b/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 { int b; };
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 foo4(void) {}
__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, interrupt)) void foo7(void) {} // expected-warning {{r
__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) {}
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