16d4fb3d3SVyacheslav Levytskyy; The goal of the test case is to ensure valid SPIR-V code emision 26d4fb3d3SVyacheslav Levytskyy; on translation of integers with bit width less than 8. 36d4fb3d3SVyacheslav Levytskyy 46d4fb3d3SVyacheslav Levytskyy; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - | FileCheck %s --check-prefix=CHECK-SPIRV 56d4fb3d3SVyacheslav Levytskyy; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - -filetype=obj | spirv-val %} 66d4fb3d3SVyacheslav Levytskyy 76d4fb3d3SVyacheslav Levytskyy; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - | FileCheck %s --check-prefix=CHECK-SPIRV 86d4fb3d3SVyacheslav Levytskyy; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - -filetype=obj | spirv-val %} 96d4fb3d3SVyacheslav Levytskyy 10*fbe3919eSMichal Paszkowski; TODO: This test currently fails with LLVM_ENABLE_EXPENSIVE_CHECKS enabled 11*fbe3919eSMichal Paszkowski; XFAIL: expensive_checks 12*fbe3919eSMichal Paszkowski 136d4fb3d3SVyacheslav Levytskyy; CHECK-SPIRV: OpCapability BitInstructions 146d4fb3d3SVyacheslav Levytskyy; CHECK-SPIRV: OpExtension "SPV_KHR_bit_instructions" 156d4fb3d3SVyacheslav Levytskyy; CHECK-SPIRV: %[[#CharTy:]] = OpTypeInt 8 0 166d4fb3d3SVyacheslav Levytskyy; CHECK-SPIRV-NO: %[[#CharTy:]] = OpTypeInt 8 0 176d4fb3d3SVyacheslav Levytskyy; CHECK-SPIRV-COUNT-2: %[[#]] = OpBitReverse %[[#CharTy]] %[[#]] 186d4fb3d3SVyacheslav Levytskyy 196d4fb3d3SVyacheslav Levytskyy; TODO: Add a check to ensure that there's no behavior change of bitreverse operation 206d4fb3d3SVyacheslav Levytskyy; between the LLVM-IR and SPIR-V for i2 and i4 216d4fb3d3SVyacheslav Levytskyy 226d4fb3d3SVyacheslav Levytskyydefine spir_func void @foo(i2 %a, i4 %b) { 236d4fb3d3SVyacheslav Levytskyyentry: 246d4fb3d3SVyacheslav Levytskyy %res2 = tail call i2 @llvm.bitreverse.i2(i2 %a) 256d4fb3d3SVyacheslav Levytskyy %res4 = tail call i4 @llvm.bitreverse.i4(i4 %b) 266d4fb3d3SVyacheslav Levytskyy ret void 276d4fb3d3SVyacheslav Levytskyy} 286d4fb3d3SVyacheslav Levytskyy 296d4fb3d3SVyacheslav Levytskyydeclare i2 @llvm.bitreverse.i2(i2) 306d4fb3d3SVyacheslav Levytskyydeclare i4 @llvm.bitreverse.i4(i4) 31