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1; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s2; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %}3 4; CHECK: OpMemoryModel Logical GLSL4505 6define noundef i32 @countbits_i32(i32 noundef %a) {7entry:8; CHECK: %[[#]] = OpBitCount %[[#]] %[[#]]9 %elt.bitreverse = call i32 @llvm.ctpop.i32(i32 %a)10 ret i32 %elt.bitreverse11}12 13define noundef i16 @countbits_i16(i16 noundef %a) {14entry:15; CHECK: %[[#]] = OpBitCount %[[#]] %[[#]]16 %elt.ctpop = call i16 @llvm.ctpop.i16(i16 %a)17 ret i16 %elt.ctpop18}19 20declare i16 @llvm.ctpop.i16(i16)21declare i32 @llvm.ctpop.i32(i32)22