| // RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -O1 -vectorize-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT |
| // RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -O1 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT |
| // REQUIRES: x86-registered-target |
| |
| // CHECK-ENABLE-VECT-LABEL: @for_test() |
| // CHECK-ENABLE-VECT: fmul <{{[0-9]+}} x double> |
| |
| // CHECK-DISABLE-VECT-LABEL: @for_test() |
| // CHECK-DISABLE-VECT: fmul double |
| // CHECK-DISABLE-VECT-NOT: fmul <{{[0-9]+}} x double> |
| |
| int printf(const char * restrict format, ...); |
| |
| void for_test(void) { |
| double A[1000], B[1000]; |
| int L = 500; |
| for (int i = 0; i < L; i++) { |
| A[i] = i; |
| } |
| for (int i = 0; i < L; i++) { |
| B[i] = A[i]*5; |
| } |
| printf("%lf %lf\n", A[0], B[0]); |
| } |
