forked from OSchip/llvm-project
57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -funroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-UNROLL
|
|
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -S -O1 -fno-unroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-UNROLL
|
|
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -O1 -funroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-ENABLE-UNROLL
|
|
// RUN: %clang_cc1 -triple x86_64 -target-cpu x86-64 -fexperimental-new-pass-manager -S -O1 -fno-unroll-loops -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-DISABLE-UNROLL
|
|
// REQUIRES: x86-registered-target
|
|
|
|
// CHECK-ENABLE-UNROLL-LABEL: @for_test()
|
|
// CHECK-ENABLE-UNROLL: br label %[[FORBODY:[a-z0-9_\.]+]]
|
|
// CHECK-ENABLE-UNROLL: [[FORBODY]]:
|
|
// CHECK-ENABLE-UNROLL: store
|
|
// CHECK-ENABLE-UNROLL: store
|
|
// CHECK-ENABLE-UNROLL: br i1 %[[EXITCOND:[a-z0-9_\.]+]], label %[[FORBODY5:[a-z0-9_\.]+]], label %[[FORBODY]]
|
|
// CHECK-ENABLE-UNROLL: [[FORBODY5]]:
|
|
// CHECK-ENABLE-UNROLL: fmul
|
|
// CHECK-ENABLE-UNROLL: fadd
|
|
// CHECK-ENABLE-UNROLL: store
|
|
// CHECK-ENABLE-UNROLL: fmul
|
|
// CHECK-ENABLE-UNROLL: fadd
|
|
// CHECK-ENABLE-UNROLL: store
|
|
// CHECK-ENABLE-UNROLL: fmul
|
|
// CHECK-ENABLE-UNROLL: fadd
|
|
// CHECK-ENABLE-UNROLL: store
|
|
|
|
// CHECK-DISABLE-UNROLL-LABEL: @for_test()
|
|
// CHECK-DISABLE-UNROLL: br label %[[FORBODY:[a-z0-9_\.]+]]
|
|
// CHECK-DISABLE-UNROLL: [[FORBODY]]:
|
|
// CHECK-DISABLE-UNROLL: store
|
|
// CHECK-DISABLE-UNROLL-NOT: store
|
|
// CHECK-DISABLE-UNROLL: br i1 %[[EXITCOND:[a-z0-9_\.]+]], label %[[FORBODY5:[a-z0-9_\.]+]], label %[[FORBODY]]
|
|
// CHECK-DISABLE-UNROLL: [[FORBODY5]]:
|
|
// CHECK-DISABLE-UNROLL: fmul
|
|
// CHECK-DISABLE-UNROLL: fadd
|
|
// CHECK-DISABLE-UNROLL: store
|
|
// CHECK-DISABLE-UNROLL: fmul
|
|
// CHECK-DISABLE-UNROLL: fadd
|
|
// CHECK-DISABLE-UNROLL: store
|
|
// CHECK-DISABLE-UNROLL-NOT: fmul
|
|
// CHECK-DISABLE-UNROLL-NOT: fadd
|
|
// CHECK-DISABLE-UNROLL-NOT: store
|
|
|
|
int printf(const char * restrict format, ...);
|
|
|
|
void for_test() {
|
|
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;
|
|
B[i]++;
|
|
A[i] *= 7;
|
|
A[i]++;
|
|
}
|
|
printf("%lf %lf\n", A[0], B[0]);
|
|
}
|