16bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// RUN: %clang_cc1 -fopenmp=libiomp5 -emit-llvm %s -o - | FileCheck %s 26bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 36bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesvoid h1(float *c, float *a, float *b, int size) 46bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 56bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK-LABEL: define void @h1 66bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines int t = 0; 76bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#pragma omp simd safelen(16) linear(t) 86bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines for (int i = 0; i < size; ++i) { 96bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines c[i] = a[i] * a[i] + b[i] * b[t]; 106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ++t; 116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// do not emit parallel_loop_access metadata due to usage of safelen clause. 126bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}} 136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines} 156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesvoid h2(float *c, float *a, float *b, int size) 176bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK-LABEL: define void @h2 196bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines int t = 0; 206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#pragma omp simd linear(t) 216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines for (int i = 0; i < size; ++i) { 226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines c[i] = a[i] * a[i] + b[i] * b[t]; 236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines ++t; 246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access [[LOOP_H2_HEADER:![0-9]+]] 256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines} 276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 286bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesvoid h3(float *c, float *a, float *b, int size) 296bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 306bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK-LABEL: define void @h3 316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#pragma omp simd 326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines for (int i = 0; i < size; ++i) { 336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines for (int j = 0; j < size; ++j) { 346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines c[j*i] = a[i] * b[j]; 356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 376bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// do not emit parallel_loop_access for nested loop. 386bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK-NOT: store float {{.+}}, float* {{.+}}, align {{.+}}, !llvm.mem.parallel_loop_access {{![0-9]+}} 396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines} 406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// Metadata for h1: 426bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK: [[LOOP_H1_HEADER:![0-9]+]] = metadata !{metadata [[LOOP_H1_HEADER]], metadata [[LOOP_WIDTH_16:![0-9]+]], metadata [[LOOP_VEC_ENABLE:![0-9]+]]} 43ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: [[LOOP_WIDTH_16]] = metadata !{metadata !"llvm.loop.vectorize.width", i32 16} 44ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: [[LOOP_VEC_ENABLE]] = metadata !{metadata !"llvm.loop.vectorize.enable", i1 true} 456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// 466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// Metadata for h2: 476bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK: [[LOOP_H2_HEADER]] = metadata !{metadata [[LOOP_H2_HEADER]], metadata [[LOOP_VEC_ENABLE]]} 486bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// 496bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// Metadata for h3: 506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// CHECK: [[LOOP_H3_HEADER:![0-9]+]] = metadata !{metadata [[LOOP_H3_HEADER]], metadata [[LOOP_VEC_ENABLE]]} 516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines// 52