clang/test/CodeGenCXX/vector-splat-conversion.cpp

   1 // RUN: %clang_cc1 %s -triple arm64-apple-ios8.1.0 -std=c++11 -emit-llvm -o - | FileCheck %s
   2
   3 typedef __attribute__((__ext_vector_type__(8))) float vector_float8;
   4
   5 typedef vector_float8 float8;
   6
   7 // CHECK-LABEL: define{{.*}} void @_Z23MandelbrotPolyCalcSIMD8v
   8 void MandelbrotPolyCalcSIMD8() {
   9   constexpr float8 v4 = 4.0;  // value to compare against abs(z)^2, to see if bounded
  10   float8 vABS;
  11   auto vLT  = vABS < v4;
  12   // CHECK: store <8 x float>
  13   // CHECK: [[ZERO:%.*]] = load <8 x float>, ptr [[VARBS:%.*]]
  14   // CHECK: [[CMP:%.*]] = fcmp olt <8 x float> [[ZERO]]
  15   // CHECK: [[SEXT:%.*]] = sext <8 x i1> [[CMP]] to <8 x i32>
  16   // CHECK: store <8 x i32> [[SEXT]], ptr [[VLT:%.*]]
  17 }
  18
  19 typedef __attribute__((__ext_vector_type__(4))) int int4;
  20 typedef __attribute__((__ext_vector_type__(4))) float float4;
  21 typedef __attribute__((__ext_vector_type__(4))) __int128 bigint4;
  22
  23 // CHECK-LABEL: define{{.*}} void @_Z14BoolConversionv
  24 void BoolConversion() {
  25   // CHECK: store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
  26   int4 intsT = (int4)true;
  27   // CHECK: store <4 x i32> zeroinitializer
  28   int4 intsF = (int4)false;
  29   // CHECK: store <4 x float> <float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00>
  30   float4 floatsT = (float4)true;
  31   // CHECK: store <4 x float> zeroinitializer
  32   float4 floatsF = (float4)false;
  33   // CHECK: store <4 x i128> <i128 -1, i128 -1, i128 -1, i128 -1>
  34   bigint4 bigintsT = (bigint4)true;
  35   // CHECK: store <4 x i128> zeroinitializer
  36   bigint4 bigintsF = (bigint4)false;
  37
  38   // CHECK: store <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
  39   constexpr int4 cIntsT = (int4)true;
  40   // CHECK: store <4 x i32> zeroinitializer
  41   constexpr int4 cIntsF = (int4)false;
  42   // CHECK: store <4 x float> <float -1.000000e+00, float -1.000000e+00, float -1.000000e+00, float -1.000000e+00>
  43   constexpr float4 cFloatsT = (float4)true;
  44   // CHECK: store <4 x float> zeroinitializer
  45   constexpr float4 cFloatsF = (float4)false;
  46   // CHECK: store <4 x i128> <i128 -1, i128 -1, i128 -1, i128 -1>
  47   constexpr bigint4 cBigintsT = (bigint4)true;
  48   // CHECK: store <4 x i128> zeroinitializer
  49   constexpr bigint4 cBigintsF = (bigint4)false;
  50 }
  51
  52 typedef __attribute__((vector_size(8))) int gcc_int_2;
  53 gcc_int_2 FloatToIntConversion(gcc_int_2 Int2, float f) {
  54   return Int2 + f;
  55   // CHECK: %[[LOAD_INT:.+]] = load <2 x i32>
  56   // CHECK: %[[LOAD:.+]] = load float, ptr
  57   // CHECK: %[[CONV:.+]] = fptosi float %[[LOAD]] to i32
  58   // CHECK: %[[INSERT:.+]] = insertelement <2 x i32> poison, i32 %[[CONV]], i64 0
  59   // CHECK: %[[SPLAT:.+]] = shufflevector <2 x i32> %[[INSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
  60   // CHECK: add <2 x i32> %[[LOAD_INT]], %[[SPLAT]]
  61 }