llvm-project/clang/test/CodeGen/loop-vectorize.c

27 lines
1.1 KiB
C

// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -vectorize-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-VECT
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -O1 -vectorize-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-VECT
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -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]);
}