forked from OSchip/llvm-project
233 lines
6.8 KiB
C++
233 lines
6.8 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
|
|
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
|
|
// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
|
|
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
|
|
// expected-no-diagnostics
|
|
#ifndef HEADER
|
|
#define HEADER
|
|
|
|
long long get_val() { return 0; }
|
|
double *g_ptr;
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}simple{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
|
|
void simple(float *a, float *b, float *c, float *d) {
|
|
// CHECK: store i32 3, i32* %
|
|
// CHECK: icmp slt i32 %{{.+}}, 32
|
|
// CHECK: fmul float
|
|
// CHECK: fmul float
|
|
// CHECK: add nsw i32 %{{.+}}, 5
|
|
#pragma omp target parallel for simd device((int)*a)
|
|
for (int i = 3; i < 32; i += 5) {
|
|
a[i] = b[i] * c[i] * d[i];
|
|
}
|
|
|
|
// CHECK: call i{{.+}} @{{.+}}get_val{{.+}}()
|
|
// CHECK: store i32 10, i32* %
|
|
// CHECK: icmp sgt i32 %{{.+}}, 1
|
|
// CHECK: fadd float %{{.+}}, 1.000000e+00
|
|
// CHECK: add nsw {{.+}} %{{.+}}, 3
|
|
// CHECK: add nsw i32 %{{.+}}, -1
|
|
long long k = get_val();
|
|
#pragma omp target parallel for simd linear(k : 3) schedule(dynamic)
|
|
for (int i = 10; i > 1; i--) {
|
|
a[k]++;
|
|
k = k + 3;
|
|
}
|
|
|
|
// CHECK: store i32 12, i32* %
|
|
// CHECK: store i{{.+}} 2000, i{{.+}}* %
|
|
// CHECK: icmp uge i{{.+}} %{{.+}}, 600
|
|
// CHECK: store double 0.000000e+00,
|
|
// CHECK: fadd float %{{.+}}, 1.000000e+00
|
|
// CHECK: sub i{{.+}} %{{.+}}, 400
|
|
int lin = 12;
|
|
#pragma omp target parallel for simd linear(lin : get_val()), linear(g_ptr)
|
|
for (unsigned long long it = 2000; it >= 600; it-=400) {
|
|
*g_ptr++ = 0.0;
|
|
a[it + lin]++;
|
|
}
|
|
|
|
// CHECK: store i{{.+}} 6, i{{.+}}* %
|
|
// CHECK: icmp sle i{{.+}} %{{.+}}, 20
|
|
// CHECK: sub nsw i{{.+}} %{{.+}}, -4
|
|
#pragma omp target parallel for simd
|
|
for (short it = 6; it <= 20; it-=-4) {
|
|
}
|
|
|
|
// CHECK: store i8 122, i8* %
|
|
// CHECK: icmp sge i32 %{{.+}}, 97
|
|
// CHECK: add nsw i32 %{{.+}}, -1
|
|
#pragma omp target parallel for simd
|
|
for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
|
|
}
|
|
|
|
// CHECK: store i32 100, i32* %
|
|
// CHECK: icmp ult i32 %{{.+}}, 10
|
|
// CHECK: add i32 %{{.+}}, 10
|
|
#pragma omp target parallel for simd
|
|
for (unsigned i=100; i<10; i+=10) {
|
|
}
|
|
|
|
int A;
|
|
{
|
|
A = -1;
|
|
// CHECK: store i{{.+}} -10, i{{.+}}* %
|
|
// CHECK: icmp slt i{{.+}} %{{.+}}, 10
|
|
// CHECK: add nsw i{{.+}} %{{.+}}, 3
|
|
#pragma omp target parallel for simd lastprivate(A)
|
|
for (long long i = -10; i < 10; i += 3) {
|
|
A = i;
|
|
}
|
|
}
|
|
int R;
|
|
{
|
|
R = -1;
|
|
// CHECK: store i{{.+}} -10, i{{.+}}* %
|
|
// CHECK: icmp slt i{{.+}} %{{.+}}, 10
|
|
// CHECK: add nsw i{{.+}} %{{.+}}, 3
|
|
#pragma omp target parallel for simd reduction(*:R)
|
|
for (long long i = -10; i < 10; i += 3) {
|
|
R *= i;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class T, unsigned K> T tfoo(T a) { return a + K; }
|
|
|
|
template <typename T, unsigned N>
|
|
int templ1(T a, T *z) {
|
|
#pragma omp target parallel for simd collapse(N)
|
|
for (int i = 0; i < N * 2; i++) {
|
|
for (long long j = 0; j < (N + N + N + N); j += 2) {
|
|
z[i + j] = a + tfoo<T, N>(i + j);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Instatiation templ1<float,2>
|
|
// CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
|
|
void inst_templ1() {
|
|
float a;
|
|
float z[100];
|
|
templ1<float,2> (a, z);
|
|
}
|
|
|
|
|
|
typedef int MyIdx;
|
|
|
|
class IterDouble {
|
|
double *Ptr;
|
|
public:
|
|
IterDouble operator++ () const {
|
|
IterDouble n;
|
|
n.Ptr = Ptr + 1;
|
|
return n;
|
|
}
|
|
bool operator < (const IterDouble &that) const {
|
|
return Ptr < that.Ptr;
|
|
}
|
|
double & operator *() const {
|
|
return *Ptr;
|
|
}
|
|
MyIdx operator - (const IterDouble &that) const {
|
|
return (MyIdx) (Ptr - that.Ptr);
|
|
}
|
|
IterDouble operator + (int Delta) {
|
|
IterDouble re;
|
|
re.Ptr = Ptr + Delta;
|
|
return re;
|
|
}
|
|
|
|
///~IterDouble() {}
|
|
};
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}iter_simple{{.*}}
|
|
void iter_simple(IterDouble ia, IterDouble ib, IterDouble ic) {
|
|
//
|
|
// Calculate number of iterations before the loop body.
|
|
// CHECK: invoke {{.*}}i32 @{{.*}}IterDouble{{.*}}
|
|
#pragma omp target parallel for simd
|
|
for (IterDouble i = ia; i < ib; ++i) {
|
|
// Call of operator+ (i, IV).
|
|
// CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
|
|
// ... loop body ...
|
|
*i = *ic * 0.5;
|
|
// Float multiply and save result.
|
|
// CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
|
|
// CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
|
|
// CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]]
|
|
++ic;
|
|
}
|
|
// CHECK: ret void
|
|
}
|
|
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}collapsed{{.*}}
|
|
void collapsed(float *a, float *b, float *c, float *d) {
|
|
int i; // outer loop counter
|
|
unsigned j; // middle loop couter, leads to unsigned icmp in loop header.
|
|
// k declared in the loop init below
|
|
short l; // inner loop counter
|
|
//
|
|
#pragma omp target parallel for simd collapse(4)
|
|
for (i = 1; i < 3; i++) // 2 iterations
|
|
for (j = 2u; j < 5u; j++) //3 iterations
|
|
for (int k = 3; k <= 6; k++) // 4 iterations
|
|
for (l = 4; l < 9; ++l) // 5 iterations
|
|
{
|
|
// ... loop body ...
|
|
// End of body: store into a[i]:
|
|
// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
|
|
float res = b[j] * c[k];
|
|
a[i] = res * d[l];
|
|
}
|
|
// CHECK: ret void
|
|
}
|
|
|
|
extern char foo();
|
|
extern double globalfloat;
|
|
|
|
// CHECK-LABEL: define {{.*void}} @{{.*}}widened{{.*}}
|
|
void widened(float *a, float *b, float *c, float *d) {
|
|
int i; // outer loop counter
|
|
short j; // inner loop counter
|
|
globalfloat = 1.0;
|
|
int localint = 1;
|
|
// CHECK: store double {{.+}}, double* [[GLOBALFLOAT:@.+]],
|
|
#pragma omp target parallel for simd collapse(2) private(globalfloat, localint)
|
|
for (i = 1; i < 3; i++) // 2 iterations
|
|
for (j = 0; j < foo(); j++) // foo() iterations
|
|
{
|
|
// ... loop body ...
|
|
//
|
|
// Here we expect store into private double var, not global
|
|
// CHECK: store double {{.+}}, double* [[GLOBALFLOAT]]
|
|
globalfloat = (float)j/i;
|
|
float res = b[j] * c[j];
|
|
// Store into a[i]:
|
|
// CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
|
|
a[i] = res * d[i];
|
|
// Then there's a store into private var localint:
|
|
// CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]
|
|
localint = (int)j;
|
|
}
|
|
//
|
|
// Here we expect store into original localint, not its privatized version.
|
|
// CHECK: store i32 {{.+}}, i32* [[LOCALINT]]
|
|
localint = (int)j;
|
|
// CHECK: ret void
|
|
}
|
|
|
|
// TERM_DEBUG-LABEL: bar
|
|
int bar() {return 0;};
|
|
|
|
// TERM_DEBUG-LABEL: parallel_simd
|
|
void parallel_simd(float *a) {
|
|
#pragma omp target parallel for simd
|
|
for (unsigned i = 131071; i <= 2147483647; i += 127)
|
|
a[i] += bar();
|
|
}
|
|
#endif // HEADER
|
|
|