| // RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -x hlsl -triple \ |
| // RUN: spirv-pc-vulkan-compute %s -emit-llvm -disable-llvm-passes -o - | \ |
| // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV |
| // RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -x hlsl -triple \ |
| // RUN: dxil-pc-shadermodel6.3-compute %s -emit-llvm -disable-llvm-passes -o - | \ |
| // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-DXIL |
| |
| [numthreads(1, 1, 1)] |
| void main() { |
| uint a, b; |
| // CHECK-SPIRV: %[[#entry_tok:]] = call token @llvm.experimental.convergence.entry() |
| |
| // CHECK-SPIRV: %[[#loop_tok:]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %[[#entry_tok]]) ] |
| while (a) { |
| |
| // CHECK-DXIL: %[[#]] = call i32 @llvm.dx.wave.get.lane.count() |
| // CHECK-SPIRV: %[[#]] = call spir_func i32 @llvm.spv.wave.get.lane.count() |
| // CHECK-SPIRV-SAME: [ "convergencectrl"(token %[[#loop_tok]]) ] |
| a = WaveGetLaneCount(); |
| } |
| |
| // CHECK-DXIL: %[[#]] = call i32 @llvm.dx.wave.get.lane.count() |
| // CHECK-SPIRV: %[[#]] = call spir_func i32 @llvm.spv.wave.get.lane.count() |
| // CHECK-SPIRV-SAME: [ "convergencectrl"(token %[[#entry_tok]]) ] |
| b = WaveGetLaneCount(); |
| } |
| |
| // CHECK-DXIL: i32 @llvm.dx.wave.get.lane.count() #[[#attr:]] |
| // CHECK-SPIRV: i32 @llvm.spv.wave.get.lane.count() #[[#attr:]] |
| |
| // CHECK: attributes #[[#attr]] = {{{.*}} convergent {{.*}}} |
| |
