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// 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 {{.*}}}
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