clang/test/CodeGenOpenCL/bool_cast.cl

   1 // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -emit-llvm -o - -O0 | FileCheck %s
   2
   3 typedef unsigned char uchar4 __attribute((ext_vector_type(4)));
   4 typedef unsigned int int4 __attribute((ext_vector_type(4)));
   5 typedef float float4 __attribute((ext_vector_type(4)));
   6
   7 // CHECK-LABEL: define{{.*}} spir_kernel void @ker()
   8 void kernel ker() {
   9   bool t = true;
  10   int4 vec4 = (int4)t;
  11 // CHECK: {{%.*}} = load i8, ptr %t, align 1
  12 // CHECK: {{%.*}} = trunc i8 {{%.*}} to i1
  13 // CHECK: {{%.*}} = sext i1 {{%.*}} to i32
  14 // CHECK: {{%.*}} = insertelement <4 x i32> poison, i32 {{%.*}}, i64 0
  15 // CHECK: {{%.*}} = shufflevector <4 x i32> {{%.*}}, <4 x i32> poison, <4 x i32> zeroinitializer
  16 // CHECK: store <4 x i32> {{%.*}}, ptr %vec4, align 16
  17   int i = (int)t;
  18 // CHECK: {{%.*}} = load i8, ptr %t, align 1
  19 // CHECK: {{%.*}} = trunc i8 {{%.*}} to i1
  20 // CHECK: {{%.*}} = zext i1 {{%.*}} to i32
  21 // CHECK: store i32 {{%.*}}, ptr %i, align 4
  22
  23   uchar4 vc;
  24   vc = (uchar4)true;
  25 // CHECK: store <4 x i8> splat (i8 -1), ptr %vc, align 4
  26   unsigned char c;
  27   c = (unsigned char)true;
  28 // CHECK: store i8 1, ptr %c, align 1
  29
  30   float4 vf;
  31   vf = (float4)true;
  32 // CHECK: store <4 x float> splat (float -1.000000e+00)
  33 }