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1; The goal of the test case is to ensure valid SPIR-V code emision2; on translation of integers with bit width less than 8.3 4; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - | FileCheck %s --check-prefix=CHECK-SPIRV5; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv64-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - -filetype=obj | spirv-val %}6 7; RUN: llc -O0 -mtriple=spirv32-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - | FileCheck %s --check-prefix=CHECK-SPIRV8; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv32-unknown-unknown %s --spirv-ext=+SPV_KHR_bit_instructions -o - -filetype=obj | spirv-val %}9 10; TODO: This test currently fails with LLVM_ENABLE_EXPENSIVE_CHECKS enabled11; XFAIL: expensive_checks12 13; CHECK-SPIRV: OpCapability BitInstructions14; CHECK-SPIRV: OpExtension "SPV_KHR_bit_instructions"15; CHECK-SPIRV: %[[#CharTy:]] = OpTypeInt 8 016; CHECK-SPIRV-NO: %[[#CharTy:]] = OpTypeInt 8 017; CHECK-SPIRV-COUNT-2: %[[#]] = OpBitReverse %[[#CharTy]] %[[#]]18 19; TODO: Add a check to ensure that there's no behavior change of bitreverse operation20; between the LLVM-IR and SPIR-V for i2 and i421 22@G_res2 = global i2 023@G_res4 = global i4 024 25define spir_func void @foo(i2 %a, i4 %b) {26entry:27 %res2 = tail call i2 @llvm.bitreverse.i2(i2 %a)28 store i2 %res2, ptr @G_res229 %res4 = tail call i4 @llvm.bitreverse.i4(i4 %b)30 store i4 %res4, ptr @G_res431 ret void32}33 34declare i2 @llvm.bitreverse.i2(i2)35declare i4 @llvm.bitreverse.i4(i4)36