15b03687ff
Tests if the runtime type of the function pointer matches the static type. If this returns false, calling the function pointer will trap. Uses `@llvm.wasm.ref.test.func` added in #147486. Also adds a "gc" wasm feature to gate the use of the ref.test instruction.
147 lines
5.6 KiB
LLVM
147 lines
5.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc < %s --mtriple=wasm32-unknown-unknown -mcpu=mvp -mattr=+reference-types -mattr=+gc -verify-machineinstrs | FileCheck --check-prefixes CHECK,CHK32 %s
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; RUN: llc < %s --mtriple=wasm64-unknown-unknown -mcpu=mvp -mattr=+reference-types -mattr=+gc -verify-machineinstrs | FileCheck --check-prefixes CHECK,CHK64 %s
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define void @test_fpsig_void_void(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_void_void:
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; CHK32: .functype test_fpsig_void_void (i32) -> ()
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; CHK64: .functype test_fpsig_void_void (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test () -> ()
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_return_i32(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_return_i32:
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; CHK32: .functype test_fpsig_return_i32 (i32) -> ()
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; CHK64: .functype test_fpsig_return_i32 (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test () -> (i32)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, i32 0)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_return_i64(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_return_i64:
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; CHK32: .functype test_fpsig_return_i64 (i32) -> ()
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; CHK64: .functype test_fpsig_return_i64 (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test () -> (i64)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, i64 0)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_return_f32(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_return_f32:
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; CHK32: .functype test_fpsig_return_f32 (i32) -> ()
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; CHK64: .functype test_fpsig_return_f32 (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test () -> (f32)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, float 0.)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_return_f64(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_return_f64:
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; CHK32: .functype test_fpsig_return_f64 (i32) -> ()
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; CHK64: .functype test_fpsig_return_f64 (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test () -> (f64)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, double 0.)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_param_i32(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_param_i32:
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; CHK32: .functype test_fpsig_param_i32 (i32) -> ()
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; CHK64: .functype test_fpsig_param_i32 (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test (f64) -> ()
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, token poison, double 0.)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_multiple_params_and_returns(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_multiple_params_and_returns:
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; CHK32: .functype test_fpsig_multiple_params_and_returns (i32) -> ()
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; CHK64: .functype test_fpsig_multiple_params_and_returns (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHECK-NEXT: ref.test (i64, f32, i64) -> (i32, i64, f32, f64)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, i32 0, i64 0, float 0., double 0., token poison, i64 0, float 0., i64 0)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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define void @test_fpsig_ptrs(ptr noundef %func) local_unnamed_addr #0 {
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; CHECK-LABEL: test_fpsig_ptrs:
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; CHK32: .functype test_fpsig_ptrs (i32) -> ()
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; CHK64: .functype test_fpsig_ptrs (i64) -> ()
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; CHECK-NEXT: # %bb.0: # %entry
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; CHECK-NEXT: local.get 0
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; CHK64-NEXT: i32.wrap_i64
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; CHECK-NEXT: table.get __indirect_function_table
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; CHK32-NEXT: ref.test (i32, i32) -> (i32)
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; CHK64-NEXT: ref.test (i64, i64) -> (i64)
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; CHECK-NEXT: call use
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; CHECK-NEXT: # fallthrough-return
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entry:
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%res = tail call i32 (ptr, ...) @llvm.wasm.ref.test.func(ptr %func, ptr null, token poison, ptr null, ptr null)
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tail call void @use(i32 noundef %res) #3
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ret void
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}
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declare void @use(i32 noundef) local_unnamed_addr #1
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