| // RUN: mlir-translate -test-spirv-roundtrip %s | FileCheck %s |
| |
| spv.module Logical GLSL450 requires #spv.vce<v1.0, [Shader], []> { |
| // CHECK-LABEL: @ret |
| spv.func @ret() -> () "None" { |
| // CHECK: spv.Return |
| spv.Return |
| } |
| |
| // CHECK-LABEL: @ret_val |
| spv.func @ret_val() -> (i32) "None" { |
| %0 = spv.Variable : !spv.ptr<i32, Function> |
| %1 = spv.Load "Function" %0 : i32 |
| // CHECK: spv.ReturnValue {{.*}} : i32 |
| spv.ReturnValue %1 : i32 |
| } |
| |
| // CHECK-LABEL: @unreachable |
| spv.func @unreachable() "None" { |
| spv.Return |
| // CHECK-NOT: ^bb |
| ^bb1: |
| // Unreachable blocks will be dropped during serialization. |
| // CHECK-NOT: spv.Unreachable |
| spv.Unreachable |
| } |
| } |
