1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
|
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv32v1.3-vulkan-unknown %s -o - | FileCheck %s
; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32v1.3-vulkan-unknown %s -o - -filetype=obj | spirv-val %}
; CHECK-DAG: %[[#uint:]] = OpTypeInt 32 0
; CHECK-DAG: %[[#ballot_type:]] = OpTypeVector %[[#uint]] 4
; CHECK-DAG: %[[#bool:]] = OpTypeBool
; CHECK-DAG: %[[#scope:]] = OpConstant %[[#uint]] 3
; CHECK-LABEL: Begin function test_fun
; CHECK: %[[#bexpr:]] = OpFunctionParameter %[[#bool]]
define i32 @test_fun(i1 %expr) {
entry:
; CHECK: %[[#ballot:]] = OpGroupNonUniformBallot %[[#ballot_type]] %[[#scope]] %[[#bexpr]]
; CHECK: %[[#ret:]] = OpGroupNonUniformBallotBitCount %[[#uint]] %[[#scope]] Reduce %[[#ballot]]
%0 = call i32 @llvm.spv.wave.active.countbits(i1 %expr)
ret i32 %0
}
declare i32 @llvm.dx.wave.active.countbits(i1)
|