25 lines · c
1// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -O1 -vectorize-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT2// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -O1 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT3// REQUIRES: x86-registered-target4 5// CHECK-ENABLE-VECT-LABEL: @for_test()6// CHECK-ENABLE-VECT: fmul <{{[0-9]+}} x double>7 8// CHECK-DISABLE-VECT-LABEL: @for_test()9// CHECK-DISABLE-VECT: fmul double10// CHECK-DISABLE-VECT-NOT: fmul <{{[0-9]+}} x double>11 12int printf(const char * restrict format, ...);13 14void for_test(void) {15 double A[1000], B[1000];16 int L = 500;17 for (int i = 0; i < L; i++) {18 A[i] = i;19 }20 for (int i = 0; i < L; i++) {21 B[i] = A[i]*5;22 }23 printf("%lf %lf\n", A[0], B[0]);24}25