| ; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV |
| ; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %} |
| |
| define void @test_switch_with_unreachable_block(i1 %a) { |
| %value = zext i1 %a to i32 |
| ; CHECK-SPIRV: OpSwitch %[[#]] %[[#UNREACHABLE:]] 0 %[[#REACHABLE:]] 1 %[[#REACHABLE:]] |
| switch i32 %value, label %unreachable [ |
| i32 0, label %reachable |
| i32 1, label %reachable |
| ] |
| |
| ; CHECK-SPIRV-NEXT: %[[#REACHABLE]] = OpLabel |
| reachable: |
| ; CHECK-SPIRV-NEXT: OpReturn |
| ret void |
| |
| ; CHECK-SPIRV: %[[#UNREACHABLE]] = OpLabel |
| ; CHECK-SPIRV-NEXT: OpUnreachable |
| unreachable: |
| unreachable |
| } |
