Remove the `abi_amdgpu_kernel` feature

26 files changed, 70 insertions, 268 deletions

diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
index abd70dd4458..0f0d828c8fc 100644
--- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs
@@ -56,11 +56,7 @@ pub(crate) fn conv_to_call_conv(sess: &Session, c: Conv, default_call_conv: Call
             sess.dcx().fatal("C-cmse-nonsecure-call call conv is not yet implemented");
         }
 
-        Conv::Msp430Intr
-        | Conv::PtxKernel
-        | Conv::AmdGpuKernel
-        | Conv::AvrInterrupt
-        | Conv::AvrNonBlockingInterrupt => {
+        Conv::Msp430Intr | Conv::PtxKernel | Conv::AvrInterrupt | Conv::AvrNonBlockingInterrupt => {
             unreachable!("tried to use {c:?} call conv which only exists on an unsupported target");
         }
     }
diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs
index 0718bebb31b..b5b4f894e4d 100644
--- a/compiler/rustc_codegen_llvm/src/abi.rs
+++ b/compiler/rustc_codegen_llvm/src/abi.rs
@@ -590,7 +590,6 @@ impl From<Conv> for llvm::CallConv {
             Conv::Cold => llvm::ColdCallConv,
             Conv::PreserveMost => llvm::PreserveMost,
             Conv::PreserveAll => llvm::PreserveAll,
-            Conv::AmdGpuKernel => llvm::AmdGpuKernel,
             Conv::AvrInterrupt => llvm::AvrInterrupt,
             Conv::AvrNonBlockingInterrupt => llvm::AvrNonBlockingInterrupt,
             Conv::ArmAapcs => llvm::ArmAapcsCallConv,
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index ee73c6b4756..4ad44a42738 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -106,7 +106,6 @@ pub enum CallConv {
     X86_Intr = 83,
     AvrNonBlockingInterrupt = 84,
     AvrInterrupt = 85,
-    AmdGpuKernel = 91,
 }
 
 /// LLVMRustLinkage
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index 67ee53d8ae5..85fcf6a9994 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -32,6 +32,8 @@ declare_features! (
     // feature-group-start: removed features
     // -------------------------------------------------------------------------
 
+    /// Allows using the `amdgpu-kernel` ABI.
+    (removed, abi_amdgpu_kernel, "CURRENT_RUSTC_VERSION", Some(51575), None),
     (removed, advanced_slice_patterns, "1.0.0", Some(62254),
      Some("merged into `#![feature(slice_patterns)]`")),
     (removed, allocator, "1.0.0", None, None),
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index e66a66e23dc..643185ba20a 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -321,8 +321,6 @@ declare_features! (
     // feature-group-start: actual feature gates
     // -------------------------------------------------------------------------
 
-    /// Allows using the `amdgpu-kernel` ABI.
-    (unstable, abi_amdgpu_kernel, "1.29.0", Some(51575)),
     /// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`.
     (unstable, abi_avr_interrupt, "1.45.0", Some(69664)),
     /// Allows `extern "C-cmse-nonsecure-call" fn()`.
diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs
index 25473f52c03..d00e98b39d0 100644
--- a/compiler/rustc_middle/src/ty/layout.rs
+++ b/compiler/rustc_middle/src/ty/layout.rs
@@ -1247,7 +1247,6 @@ pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option<DefId>, abi: SpecAbi) ->
         PtxKernel
         | Msp430Interrupt
         | X86Interrupt
-        | AmdGpuKernel
         | EfiApi
         | AvrInterrupt
         | AvrNonBlockingInterrupt
diff --git a/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs b/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
index c47abb4fcb4..db7dfc5b43e 100644
--- a/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
+++ b/compiler/rustc_mir_transform/src/ffi_unwind_calls.rs
@@ -26,7 +26,6 @@ fn abi_can_unwind(abi: Abi) -> bool {
         PtxKernel
         | Msp430Interrupt
         | X86Interrupt
-        | AmdGpuKernel
         | EfiApi
         | AvrInterrupt
         | AvrNonBlockingInterrupt
diff --git a/compiler/rustc_smir/src/rustc_internal/internal.rs b/compiler/rustc_smir/src/rustc_internal/internal.rs
index fa52f52d60b..6bbfcff5e87 100644
--- a/compiler/rustc_smir/src/rustc_internal/internal.rs
+++ b/compiler/rustc_smir/src/rustc_internal/internal.rs
@@ -449,7 +449,6 @@ impl RustcInternal for Abi {
             Abi::PtxKernel => rustc_target::spec::abi::Abi::PtxKernel,
             Abi::Msp430Interrupt => rustc_target::spec::abi::Abi::Msp430Interrupt,
             Abi::X86Interrupt => rustc_target::spec::abi::Abi::X86Interrupt,
-            Abi::AmdGpuKernel => rustc_target::spec::abi::Abi::AmdGpuKernel,
             Abi::EfiApi => rustc_target::spec::abi::Abi::EfiApi,
             Abi::AvrInterrupt => rustc_target::spec::abi::Abi::AvrInterrupt,
             Abi::AvrNonBlockingInterrupt => rustc_target::spec::abi::Abi::AvrNonBlockingInterrupt,
diff --git a/compiler/rustc_smir/src/rustc_smir/convert/abi.rs b/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
index 68b564741dc..088a836c901 100644
--- a/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
+++ b/compiler/rustc_smir/src/rustc_smir/convert/abi.rs
@@ -111,7 +111,6 @@ impl<'tcx> Stable<'tcx> for rustc_target::abi::call::Conv {
             Conv::X86VectorCall => CallConvention::X86VectorCall,
             Conv::X86_64SysV => CallConvention::X86_64SysV,
             Conv::X86_64Win64 => CallConvention::X86_64Win64,
-            Conv::AmdGpuKernel => CallConvention::AmdGpuKernel,
             Conv::AvrInterrupt => CallConvention::AvrInterrupt,
             Conv::AvrNonBlockingInterrupt => CallConvention::AvrNonBlockingInterrupt,
             Conv::RiscvInterrupt { .. } => CallConvention::RiscvInterrupt,
diff --git a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
index cffbdc376f1..ba957843bb0 100644
--- a/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
+++ b/compiler/rustc_smir/src/rustc_smir/convert/ty.rs
@@ -223,7 +223,6 @@ impl<'tcx> Stable<'tcx> for ty::FnSig<'tcx> {
                 abi::Abi::PtxKernel => Abi::PtxKernel,
                 abi::Abi::Msp430Interrupt => Abi::Msp430Interrupt,
                 abi::Abi::X86Interrupt => Abi::X86Interrupt,
-                abi::Abi::AmdGpuKernel => Abi::AmdGpuKernel,
                 abi::Abi::EfiApi => Abi::EfiApi,
                 abi::Abi::AvrInterrupt => Abi::AvrInterrupt,
                 abi::Abi::AvrNonBlockingInterrupt => Abi::AvrNonBlockingInterrupt,
diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs
index 1c83039047e..db721212f8e 100644
--- a/compiler/rustc_target/src/abi/call/mod.rs
+++ b/compiler/rustc_target/src/abi/call/mod.rs
@@ -705,7 +705,6 @@ pub enum Conv {
     X86_64SysV,
     X86_64Win64,
 
-    AmdGpuKernel,
     AvrInterrupt,
     AvrNonBlockingInterrupt,
 
@@ -887,7 +886,6 @@ impl FromStr for Conv {
             "X86VectorCall" => Ok(Conv::X86VectorCall),
             "X86_64SysV" => Ok(Conv::X86_64SysV),
             "X86_64Win64" => Ok(Conv::X86_64Win64),
-            "AmdGpuKernel" => Ok(Conv::AmdGpuKernel),
             "AvrInterrupt" => Ok(Conv::AvrInterrupt),
             "AvrNonBlockingInterrupt" => Ok(Conv::AvrNonBlockingInterrupt),
             "RiscvInterrupt(machine)" => {
diff --git a/compiler/rustc_target/src/json.rs b/compiler/rustc_target/src/json.rs
index c6135149081..f3aecaaab98 100644
--- a/compiler/rustc_target/src/json.rs
+++ b/compiler/rustc_target/src/json.rs
@@ -110,7 +110,6 @@ impl ToJson for crate::abi::call::Conv {
             Self::X86VectorCall => "X86VectorCall",
             Self::X86_64SysV => "X86_64SysV",
             Self::X86_64Win64 => "X86_64Win64",
-            Self::AmdGpuKernel => "AmdGpuKernel",
             Self::AvrInterrupt => "AvrInterrupt",
             Self::AvrNonBlockingInterrupt => "AvrNonBlockingInterrupt",
             Self::RiscvInterrupt { kind } => {
diff --git a/compiler/rustc_target/src/spec/abi/mod.rs b/compiler/rustc_target/src/spec/abi/mod.rs
index 1a0aa6f0c4a..6231787bb9f 100644
--- a/compiler/rustc_target/src/spec/abi/mod.rs
+++ b/compiler/rustc_target/src/spec/abi/mod.rs
@@ -44,7 +44,6 @@ pub enum Abi {
     PtxKernel,
     Msp430Interrupt,
     X86Interrupt,
-    AmdGpuKernel,
     EfiApi,
     AvrInterrupt,
     AvrNonBlockingInterrupt,
@@ -121,7 +120,6 @@ const AbiDatas: &[AbiData] = &[
     AbiData { abi: Abi::PtxKernel, name: "ptx-kernel" },
     AbiData { abi: Abi::Msp430Interrupt, name: "msp430-interrupt" },
     AbiData { abi: Abi::X86Interrupt, name: "x86-interrupt" },
-    AbiData { abi: Abi::AmdGpuKernel, name: "amdgpu-kernel" },
     AbiData { abi: Abi::EfiApi, name: "efiapi" },
     AbiData { abi: Abi::AvrInterrupt, name: "avr-interrupt" },
     AbiData { abi: Abi::AvrNonBlockingInterrupt, name: "avr-non-blocking-interrupt" },
@@ -237,10 +235,6 @@ pub fn is_stable(name: &str) -> Result<(), AbiDisabled> {
             feature: sym::abi_x86_interrupt,
             explain: "x86-interrupt ABI is experimental and subject to change",
         }),
-        "amdgpu-kernel" => Err(AbiDisabled::Unstable {
-            feature: sym::abi_amdgpu_kernel,
-            explain: "amdgpu-kernel ABI is experimental and subject to change",
-        }),
         "avr-interrupt" | "avr-non-blocking-interrupt" => Err(AbiDisabled::Unstable {
             feature: sym::abi_avr_interrupt,
             explain: "avr-interrupt and avr-non-blocking-interrupt ABIs are experimental and subject to change",
@@ -295,22 +289,21 @@ impl Abi {
             PtxKernel => 19,
             Msp430Interrupt => 20,
             X86Interrupt => 21,
-            AmdGpuKernel => 22,
-            EfiApi => 23,
-            AvrInterrupt => 24,
-            AvrNonBlockingInterrupt => 25,
-            CCmseNonSecureCall => 26,
-            Wasm => 27,
+            EfiApi => 22,
+            AvrInterrupt => 23,
+            AvrNonBlockingInterrupt => 24,
+            CCmseNonSecureCall => 25,
+            Wasm => 26,
             // Cross-platform ABIs
-            System { unwind: false } => 28,
-            System { unwind: true } => 29,
-            RustIntrinsic => 30,
-            RustCall => 31,
-            PlatformIntrinsic => 32,
-            Unadjusted => 33,
-            RustCold => 34,
-            RiscvInterruptM => 35,
-            RiscvInterruptS => 36,
+            System { unwind: false } => 27,
+            System { unwind: true } => 28,
+            RustIntrinsic => 29,
+            RustCall => 30,
+            PlatformIntrinsic => 31,
+            Unadjusted => 32,
+            RustCold => 33,
+            RiscvInterruptM => 34,
+            RiscvInterruptS => 35,
         };
         debug_assert!(
             AbiDatas
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index ead3be7fd52..3b1e52dfe4d 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -2458,7 +2458,6 @@ impl Target {
             Win64 { .. } | SysV64 { .. } => self.arch == "x86_64",
             PtxKernel => self.arch == "nvptx64",
             Msp430Interrupt => self.arch == "msp430",
-            AmdGpuKernel => self.arch == "amdgcn",
             RiscvInterruptM | RiscvInterruptS => ["riscv32", "riscv64"].contains(&&self.arch[..]),
             AvrInterrupt | AvrNonBlockingInterrupt => self.arch == "avr",
             Wasm => ["wasm32", "wasm64"].contains(&&self.arch[..]),
diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs
index 333aec1d38d..af26616831f 100644
--- a/compiler/rustc_ty_utils/src/abi.rs
+++ b/compiler/rustc_ty_utils/src/abi.rs
@@ -258,7 +258,6 @@ fn conv_from_spec_abi(tcx: TyCtxt<'_>, abi: SpecAbi, c_variadic: bool) -> Conv {
         PtxKernel => Conv::PtxKernel,
         Msp430Interrupt => Conv::Msp430Intr,
         X86Interrupt => Conv::X86Intr,
-        AmdGpuKernel => Conv::AmdGpuKernel,
         AvrInterrupt => Conv::AvrInterrupt,
         AvrNonBlockingInterrupt => Conv::AvrNonBlockingInterrupt,
         RiscvInterruptM => Conv::RiscvInterrupt { kind: RiscvInterruptKind::Machine },
diff --git a/compiler/stable_mir/src/abi.rs b/compiler/stable_mir/src/abi.rs
index 53dac6abefb..a15fd3e0999 100644
--- a/compiler/stable_mir/src/abi.rs
+++ b/compiler/stable_mir/src/abi.rs
@@ -275,7 +275,6 @@ pub enum CallConvention {
     X86_64SysV,
     X86_64Win64,
 
-    AmdGpuKernel,
     AvrInterrupt,
     AvrNonBlockingInterrupt,
 
diff --git a/compiler/stable_mir/src/ty.rs b/compiler/stable_mir/src/ty.rs
index b0a08cd9b79..bdda9295347 100644
--- a/compiler/stable_mir/src/ty.rs
+++ b/compiler/stable_mir/src/ty.rs
@@ -864,7 +864,6 @@ pub enum Abi {
     PtxKernel,
     Msp430Interrupt,
     X86Interrupt,
-    AmdGpuKernel,
     EfiApi,
     AvrInterrupt,
     AvrNonBlockingInterrupt,
diff --git a/tests/ui/abi/unsupported.aarch64.stderr b/tests/ui/abi/unsupported.aarch64.stderr
index d7b4e6150ff..72a9519e3e7 100644
--- a/tests/ui/abi/unsupported.aarch64.stderr
+++ b/tests/ui/abi/unsupported.aarch64.stderr
@@ -1,59 +1,53 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"aapcs"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:36:1
+  --> $DIR/unsupported.rs:33:1
    |
 LL | extern "aapcs" fn aapcs() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"riscv-interrupt-m"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:46:1
+  --> $DIR/unsupported.rs:43:1
    |
 LL | extern "riscv-interrupt-m" fn riscv() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"x86-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:51:1
+  --> $DIR/unsupported.rs:48:1
    |
 LL | extern "x86-interrupt" fn x86() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"thiscall"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:56:1
+  --> $DIR/unsupported.rs:53:1
    |
 LL | extern "thiscall" fn thiscall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use of calling convention not supported on this target
-  --> $DIR/unsupported.rs:62:1
+  --> $DIR/unsupported.rs:59:1
    |
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -62,6 +56,6 @@ LL | extern "stdcall" fn stdcall() {}
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
    = note: `#[warn(unsupported_calling_conventions)]` on by default
 
-error: aborting due to 9 previous errors; 1 warning emitted
+error: aborting due to 8 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/abi/unsupported.arm.stderr b/tests/ui/abi/unsupported.arm.stderr
index 3a3ed2dd9c5..473b59a334d 100644
--- a/tests/ui/abi/unsupported.arm.stderr
+++ b/tests/ui/abi/unsupported.arm.stderr
@@ -1,53 +1,47 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"riscv-interrupt-m"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:46:1
+  --> $DIR/unsupported.rs:43:1
    |
 LL | extern "riscv-interrupt-m" fn riscv() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"x86-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:51:1
+  --> $DIR/unsupported.rs:48:1
    |
 LL | extern "x86-interrupt" fn x86() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"thiscall"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:56:1
+  --> $DIR/unsupported.rs:53:1
    |
 LL | extern "thiscall" fn thiscall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use of calling convention not supported on this target
-  --> $DIR/unsupported.rs:62:1
+  --> $DIR/unsupported.rs:59:1
    |
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -56,6 +50,6 @@ LL | extern "stdcall" fn stdcall() {}
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
    = note: `#[warn(unsupported_calling_conventions)]` on by default
 
-error: aborting due to 8 previous errors; 1 warning emitted
+error: aborting due to 7 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/abi/unsupported.i686.stderr b/tests/ui/abi/unsupported.i686.stderr
index 31b7d030bd3..f0af3d251e2 100644
--- a/tests/ui/abi/unsupported.i686.stderr
+++ b/tests/ui/abi/unsupported.i686.stderr
@@ -1,45 +1,39 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"aapcs"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:36:1
+  --> $DIR/unsupported.rs:33:1
    |
 LL | extern "aapcs" fn aapcs() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"riscv-interrupt-m"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:46:1
+  --> $DIR/unsupported.rs:43:1
    |
 LL | extern "riscv-interrupt-m" fn riscv() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 7 previous errors
+error: aborting due to 6 previous errors
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/abi/unsupported.riscv32.stderr b/tests/ui/abi/unsupported.riscv32.stderr
index 1966e18f0a0..b466a2a6ff8 100644
--- a/tests/ui/abi/unsupported.riscv32.stderr
+++ b/tests/ui/abi/unsupported.riscv32.stderr
@@ -1,53 +1,47 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"aapcs"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:36:1
+  --> $DIR/unsupported.rs:33:1
    |
 LL | extern "aapcs" fn aapcs() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"x86-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:51:1
+  --> $DIR/unsupported.rs:48:1
    |
 LL | extern "x86-interrupt" fn x86() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"thiscall"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:56:1
+  --> $DIR/unsupported.rs:53:1
    |
 LL | extern "thiscall" fn thiscall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use of calling convention not supported on this target
-  --> $DIR/unsupported.rs:62:1
+  --> $DIR/unsupported.rs:59:1
    |
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -56,6 +50,6 @@ LL | extern "stdcall" fn stdcall() {}
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
    = note: `#[warn(unsupported_calling_conventions)]` on by default
 
-error: aborting due to 8 previous errors; 1 warning emitted
+error: aborting due to 7 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/abi/unsupported.riscv64.stderr b/tests/ui/abi/unsupported.riscv64.stderr
index 1966e18f0a0..b466a2a6ff8 100644
--- a/tests/ui/abi/unsupported.riscv64.stderr
+++ b/tests/ui/abi/unsupported.riscv64.stderr
@@ -1,53 +1,47 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"aapcs"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:36:1
+  --> $DIR/unsupported.rs:33:1
    |
 LL | extern "aapcs" fn aapcs() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"x86-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:51:1
+  --> $DIR/unsupported.rs:48:1
    |
 LL | extern "x86-interrupt" fn x86() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"thiscall"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:56:1
+  --> $DIR/unsupported.rs:53:1
    |
 LL | extern "thiscall" fn thiscall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use of calling convention not supported on this target
-  --> $DIR/unsupported.rs:62:1
+  --> $DIR/unsupported.rs:59:1
    |
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -56,6 +50,6 @@ LL | extern "stdcall" fn stdcall() {}
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
    = note: `#[warn(unsupported_calling_conventions)]` on by default
 
-error: aborting due to 8 previous errors; 1 warning emitted
+error: aborting due to 7 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/abi/unsupported.rs b/tests/ui/abi/unsupported.rs
index 57278e664b5..9b99e51905d 100644
--- a/tests/ui/abi/unsupported.rs
+++ b/tests/ui/abi/unsupported.rs
@@ -19,7 +19,6 @@
     abi_ptx,
     abi_msp430_interrupt,
     abi_avr_interrupt,
-    abi_amdgpu_kernel,
     wasm_abi,
     abi_x86_interrupt,
     abi_riscv_interrupt
@@ -29,8 +28,6 @@ trait Sized {}
 
 extern "ptx-kernel" fn ptx() {}
 //~^ ERROR is not a supported ABI
-extern "amdgpu-kernel" fn amdgpu() {}
-//~^ ERROR is not a supported ABI
 extern "wasm" fn wasm() {}
 //~^ ERROR is not a supported ABI
 extern "aapcs" fn aapcs() {}
diff --git a/tests/ui/abi/unsupported.x64.stderr b/tests/ui/abi/unsupported.x64.stderr
index ea62cb15148..4a2b7e74969 100644
--- a/tests/ui/abi/unsupported.x64.stderr
+++ b/tests/ui/abi/unsupported.x64.stderr
@@ -1,53 +1,47 @@
 error[E0570]: `"ptx-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:30:1
+  --> $DIR/unsupported.rs:29:1
    |
 LL | extern "ptx-kernel" fn ptx() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:32:1
-   |
-LL | extern "amdgpu-kernel" fn amdgpu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
 error[E0570]: `"wasm"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:34:1
+  --> $DIR/unsupported.rs:31:1
    |
 LL | extern "wasm" fn wasm() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"aapcs"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:36:1
+  --> $DIR/unsupported.rs:33:1
    |
 LL | extern "aapcs" fn aapcs() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"msp430-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:42:1
+  --> $DIR/unsupported.rs:39:1
    |
 LL | extern "msp430-interrupt" fn msp430() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"avr-interrupt"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:44:1
+  --> $DIR/unsupported.rs:41:1
    |
 LL | extern "avr-interrupt" fn avr() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"riscv-interrupt-m"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:46:1
+  --> $DIR/unsupported.rs:43:1
    |
 LL | extern "riscv-interrupt-m" fn riscv() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error[E0570]: `"thiscall"` is not a supported ABI for the current target
-  --> $DIR/unsupported.rs:56:1
+  --> $DIR/unsupported.rs:53:1
    |
 LL | extern "thiscall" fn thiscall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: use of calling convention not supported on this target
-  --> $DIR/unsupported.rs:62:1
+  --> $DIR/unsupported.rs:59:1
    |
 LL | extern "stdcall" fn stdcall() {}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -56,6 +50,6 @@ LL | extern "stdcall" fn stdcall() {}
    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
    = note: `#[warn(unsupported_calling_conventions)]` on by default
 
-error: aborting due to 8 previous errors; 1 warning emitted
+error: aborting due to 7 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0570`.
diff --git a/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.rs b/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.rs
deleted file mode 100644
index 465b81d7fe3..00000000000
--- a/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-// compile-flags: --crate-type=rlib
-#![no_core]
-#![feature(no_core, lang_items)]
-#[lang="sized"]
-trait Sized { }
-
-extern "amdgpu-kernel" fn fu() {} //~ ERROR amdgpu-kernel ABI is experimental
-//~^ ERROR is not a supported ABI
-
-trait T {
-    extern "amdgpu-kernel" fn mu(); //~ ERROR amdgpu-kernel ABI is experimental
-    extern "amdgpu-kernel" fn dmu() {} //~ ERROR amdgpu-kernel ABI is experimental
-    //~^ ERROR is not a supported ABI
-}
-
-struct S;
-impl T for S {
-    extern "amdgpu-kernel" fn mu() {} //~ ERROR amdgpu-kernel ABI is experimental
-    //~^ ERROR is not a supported ABI
-}
-
-impl S {
-    extern "amdgpu-kernel" fn imu() {} //~ ERROR amdgpu-kernel ABI is experimental
-    //~^ ERROR is not a supported ABI
-}
-
-type TAU = extern "amdgpu-kernel" fn(); //~ ERROR amdgpu-kernel ABI is experimental
-
-extern "amdgpu-kernel" {} //~ ERROR amdgpu-kernel ABI is experimental
-//~^ ERROR is not a supported ABI
diff --git a/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.stderr b/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.stderr
deleted file mode 100644
index c5ae52c789b..00000000000
--- a/tests/ui/feature-gates/feature-gate-abi_amdgpu_kernel.stderr
+++ /dev/null
@@ -1,104 +0,0 @@
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:7:8
-   |
-LL | extern "amdgpu-kernel" fn fu() {}
-   |        ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:11:12
-   |
-LL |     extern "amdgpu-kernel" fn mu();
-   |            ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:12:12
-   |
-LL |     extern "amdgpu-kernel" fn dmu() {}
-   |            ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:18:12
-   |
-LL |     extern "amdgpu-kernel" fn mu() {}
-   |            ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:23:12
-   |
-LL |     extern "amdgpu-kernel" fn imu() {}
-   |            ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:27:19
-   |
-LL | type TAU = extern "amdgpu-kernel" fn();
-   |                   ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0658]: amdgpu-kernel ABI is experimental and subject to change
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:29:8
-   |
-LL | extern "amdgpu-kernel" {}
-   |        ^^^^^^^^^^^^^^^
-   |
-   = note: see issue #51575 <https://github.com/rust-lang/rust/issues/51575> for more information
-   = help: add `#![feature(abi_amdgpu_kernel)]` to the crate attributes to enable
-   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
-
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:29:1
-   |
-LL | extern "amdgpu-kernel" {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:7:1
-   |
-LL | extern "amdgpu-kernel" fn fu() {}
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:12:5
-   |
-LL |     extern "amdgpu-kernel" fn dmu() {}
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:18:5
-   |
-LL |     extern "amdgpu-kernel" fn mu() {}
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error[E0570]: `"amdgpu-kernel"` is not a supported ABI for the current target
-  --> $DIR/feature-gate-abi_amdgpu_kernel.rs:23:5
-   |
-LL |     extern "amdgpu-kernel" fn imu() {}
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 12 previous errors
-
-Some errors have detailed explanations: E0570, E0658.
-For more information about an error, try `rustc --explain E0570`.