c2e88a8a6b
Though it is incorrect from point of view of OpenMP standard to have dependent iteration space in OpenMP loops, compiler should not crash. Patch fixes this problem. llvm-svn: 319700
199 lines
12 KiB
C++
199 lines
12 KiB
C++
// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu | FileCheck %s
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// expected-no-diagnostics
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struct S {
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float a;
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S() : a(0.0f) {}
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~S() {}
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};
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#pragma omp declare reduction(+:S:omp_out.a += omp_in.a) initializer(omp_priv = omp_orig)
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float g;
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int a;
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#pragma omp threadprivate(a)
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int main (int argc, char *argv[])
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{
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int i, n;
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float a[100], b[100], sum, e[argc + 100];
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S c[100];
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float &d = g;
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/* Some initializations */
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n = 100;
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for (i=0; i < n; i++)
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a[i] = b[i] = i * 1.0;
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sum = 0.0;
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#pragma omp taskloop simd reduction(+:sum, c[:n], d, e)
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for (i=0; i < n; i++) {
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sum = sum + (a[i] * b[i]);
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c[i].a = i*i;
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d += i*i;
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e[i] = i;
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}
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}
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// CHECK-LABEL: @main(
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// CHECK: [[RETVAL:%.*]] = alloca i32,
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// CHECK: [[ARGC_ADDR:%.*]] = alloca i32,
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// CHECK: [[ARGV_ADDR:%.*]] = alloca i8**,
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// CHECK: [[I:%.*]] = alloca i32,
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// CHECK: [[N:%.*]] = alloca i32,
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// CHECK: [[A:%.*]] = alloca [100 x float],
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// CHECK: [[B:%.*]] = alloca [100 x float],
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// CHECK: [[SUM:%.*]] = alloca float,
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// CHECK: [[SAVED_STACK:%.*]] = alloca i8*,
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// CHECK: [[C:%.*]] = alloca [100 x %struct.S],
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// CHECK: [[D:%.*]] = alloca float*,
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// CHECK: [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]],
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// CHECK: [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(%ident_t*
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// CHECK: [[DOTRD_INPUT_:%.*]] = alloca [4 x %struct.kmp_task_red_input_t],
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// CHECK: alloca i32,
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// CHECK: [[DOTCAPTURE_EXPR_:%.*]] = alloca i32,
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// CHECK: [[DOTCAPTURE_EXPR_9:%.*]] = alloca i32,
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// CHECK: store i32 0, i32* [[RETVAL]],
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// CHECK: store i32 [[ARGC:%.*]], i32* [[ARGC_ADDR]],
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// CHECK: store i8** [[ARGV:%.*]], i8*** [[ARGV_ADDR]],
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// CHECK: [[TMP1:%.*]] = load i32, i32* [[ARGC_ADDR]],
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// CHECK: [[ADD:%.*]] = add nsw i32 [[TMP1]], 100
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// CHECK: [[TMP2:%.*]] = zext i32 [[ADD]] to i64
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// CHECK: [[VLA:%.+]] = alloca float, i64 %
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// CHECK: call void @__kmpc_taskgroup(%ident_t*
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// CHECK-DAG: [[TMP21:%.*]] = bitcast float* [[SUM]] to i8*
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// CHECK-DAG: store i8* [[TMP21]], i8** [[TMP20:%[^,]+]],
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// CHECK-DAG: [[TMP20]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T:%.+]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_:%.+]], i32 0, i32 0
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// CHECK-DAG: [[TMP22:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 1
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// CHECK-DAG: store i64 4, i64* [[TMP22]],
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// CHECK-DAG: [[TMP23:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 2
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// CHECK-DAG: store i8* bitcast (void (i8*)* [[RED_INIT1:@.+]] to i8*), i8** [[TMP23]],
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// CHECK-DAG: [[TMP24:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 3
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// CHECK-DAG: store i8* null, i8** [[TMP24]],
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// CHECK-DAG: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 4
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// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* [[RED_COMB1:@.+]] to i8*), i8** [[TMP25]],
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// CHECK-DAG: [[TMP26:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_]], i32 0, i32 5
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// CHECK-DAG: [[TMP27:%.*]] = bitcast i32* [[TMP26]] to i8*
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// CHECK-DAG: call void @llvm.memset.p0i8.i64(i8* [[TMP27]], i8 0, i64 4, i32 8, i1 false)
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// CHECK-DAG: [[ARRAYIDX5:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 0
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// CHECK-DAG: [[LB_ADD_LEN:%.*]] = add nsw i64 -1, %
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// CHECK-DAG: [[ARRAYIDX6:%.*]] = getelementptr inbounds [100 x %struct.S], [100 x %struct.S]* [[C]], i64 0, i64 [[LB_ADD_LEN]]
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// CHECK-DAG: [[TMP31:%.*]] = bitcast %struct.S* [[ARRAYIDX5]] to i8*
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// CHECK-DAG: store i8* [[TMP31]], i8** [[TMP28:%[^,]+]],
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// CHECK-DAG: [[TMP28]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4:%.+]], i32 0, i32 0
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// CHECK-DAG: [[TMP32:%.*]] = ptrtoint %struct.S* [[ARRAYIDX6]] to i64
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// CHECK-DAG: [[TMP33:%.*]] = ptrtoint %struct.S* [[ARRAYIDX5]] to i64
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// CHECK-DAG: [[TMP34:%.*]] = sub i64 [[TMP32]], [[TMP33]]
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// CHECK-DAG: [[TMP35:%.*]] = sdiv exact i64 [[TMP34]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
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// CHECK-DAG: [[TMP36:%.*]] = add nuw i64 [[TMP35]], 1
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// CHECK-DAG: [[TMP37:%.*]] = mul nuw i64 [[TMP36]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
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// CHECK-DAG: store i64 [[TMP37]], i64* [[TMP38:%[^,]+]],
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// CHECK-DAG: [[TMP38]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 1
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// CHECK-DAG: [[TMP39:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 2
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// CHECK-DAG: store i8* bitcast (void (i8*)* [[RED_INIT2:@.+]] to i8*), i8** [[TMP39]],
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// CHECK-DAG: [[TMP40:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 3
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// CHECK-DAG: store i8* bitcast (void (i8*)* [[RED_FINI2:@.+]] to i8*), i8** [[TMP40]],
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// CHECK-DAG: [[TMP41:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 4
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// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* [[RED_COMB2:@.+]] to i8*), i8** [[TMP41]],
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// CHECK-DAG: [[TMP42:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_4]], i32 0, i32 5
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// CHECK-DAG: store i32 1, i32* [[TMP42]],
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// CHECK-DAG: [[TMP44:%.*]] = load float*, float** [[D]],
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// CHECK-DAG: [[TMP45:%.*]] = bitcast float* [[TMP44]] to i8*
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// CHECK-DAG: store i8* [[TMP45]], i8** [[TMP43:%[^,]+]],
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// CHECK-DAG: [[TMP43]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7:%.+]], i32 0, i32 0
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// CHECK-DAG: [[TMP46:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 1
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// CHECK-DAG: store i64 4, i64* [[TMP46]],
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// CHECK-DAG: [[TMP47:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 2
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// CHECK-DAG: store i8* bitcast (void (i8*)* [[RED_INIT3:@.+]] to i8*), i8** [[TMP47]],
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// CHECK-DAG: [[TMP48:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 3
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// CHECK-DAG: store i8* null, i8** [[TMP48]],
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// CHECK-DAG: [[TMP49:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 4
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// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* [[RED_COMB3:@.+]] to i8*), i8** [[TMP49]],
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// CHECK-DAG: [[TMP50:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_7]], i32 0, i32 5
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// CHECK-DAG: [[TMP51:%.*]] = bitcast i32* [[TMP50]] to i8*
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// CHECK-DAG: call void @llvm.memset.p0i8.i64(i8* [[TMP51]], i8 0, i64 4, i32 8, i1 false)
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// CHECK-DAG: [[TMP53:%.*]] = bitcast float* [[VLA]] to i8*
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// CHECK-DAG: store i8* [[TMP53]], i8** [[TMP52:%[^,]+]],
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// CHECK-DAG: [[TMP52]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8:%.+]], i32 0, i32 0
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// CHECK-DAG: [[TMP54:%.*]] = mul nuw i64 [[TMP2]], 4
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// CHECK-DAG: [[TMP55:%.*]] = udiv exact i64 [[TMP54]], ptrtoint (float* getelementptr (float, float* null, i32 1) to i64)
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// CHECK-DAG: store i64 [[TMP54]], i64* [[TMP56:%[^,]+]],
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// CHECK-DAG: [[TMP56]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 1
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// CHECK-DAG: [[TMP57:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 2
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// CHECK-DAG: store i8* bitcast (void (i8*)* [[RED_INIT4:@.+]] to i8*), i8** [[TMP57]],
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// CHECK-DAG: [[TMP58:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 3
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// CHECK-DAG: store i8* null, i8** [[TMP58]],
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// CHECK-DAG: [[TMP59:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 4
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// CHECK-DAG: store i8* bitcast (void (i8*, i8*)* [[RED_COMB4:@.+]] to i8*), i8** [[TMP59]],
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// CHECK-DAG: [[TMP60:%.*]] = getelementptr inbounds [[STRUCT_KMP_TASK_RED_INPUT_T]], %struct.kmp_task_red_input_t* [[DOTRD_INPUT_GEP_8]], i32 0, i32 5
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// CHECK-DAG: store i32 1, i32* [[TMP60]],
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// CHECK-DAG: [[DOTRD_INPUT_GEP_]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
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// CHECK-DAG: [[DOTRD_INPUT_GEP_4]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
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// CHECK-DAG: [[DOTRD_INPUT_GEP_7]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
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// CHECK-DAG: [[DOTRD_INPUT_GEP_8]] = getelementptr inbounds [4 x %struct.kmp_task_red_input_t], [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]], i64 0, i64
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// CHECK: [[TMP61:%.*]] = bitcast [4 x %struct.kmp_task_red_input_t]* [[DOTRD_INPUT_]] to i8*
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// CHECK: [[TMP62:%.*]] = call i8* @__kmpc_task_reduction_init(i32 [[TMP0]], i32 4, i8* [[TMP61]])
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// CHECK: [[TMP63:%.*]] = load i32, i32* [[N]],
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// CHECK: store i32 [[TMP63]], i32* [[DOTCAPTURE_EXPR_]],
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// CHECK: [[TMP64:%.*]] = load i32, i32* [[DOTCAPTURE_EXPR_]],
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// CHECK: [[SUB:%.*]] = sub nsw i32 [[TMP64]], 0
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// CHECK: [[SUB10:%.*]] = sub nsw i32 [[SUB]], 1
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// CHECK: [[ADD11:%.*]] = add nsw i32 [[SUB10]], 1
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// CHECK: [[DIV:%.*]] = sdiv i32 [[ADD11]], 1
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// CHECK: [[SUB12:%.*]] = sub nsw i32 [[DIV]], 1
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// CHECK: store i32 [[SUB12]], i32* [[DOTCAPTURE_EXPR_9]],
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// CHECK: [[TMP65:%.*]] = call i8* @__kmpc_omp_task_alloc(%ident_t* %{{.+}}, i32 [[TMP0]], i32 1, i64 888, i64 72, i32 (i32, i8*)* bitcast (i32 (i32, %struct.kmp_task_t_with_privates*)* @{{.+}} to i32 (i32, i8*)*))
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// CHECK: call void @__kmpc_taskloop(%ident_t* %{{.+}}, i32 [[TMP0]], i8* [[TMP65]], i32 1, i64* %{{.+}}, i64* %{{.+}}, i64 %{{.+}}, i32 0, i32 0, i64 0, i8* null)
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// CHECK: call void @__kmpc_end_taskgroup(%ident_t*
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// CHECK: ret i32
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// CHECK: define internal void [[RED_INIT1]](i8*)
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// CHECK: store float 0.000000e+00, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_COMB1]](i8*, i8*)
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// CHECK: fadd float %
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// CHECK: store float %{{.+}}, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_INIT2]](i8*)
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(
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// CHECK: ret void
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// CHECK: define internal void [[RED_FINI2]](i8*)
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: call void @
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// CHECK: ret void
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// CHECK: define internal void [[RED_COMB2]](i8*, i8*)
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: fadd float %
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// CHECK: store float %{{.+}}, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_INIT3]](i8*)
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// CHECK: store float 0.000000e+00, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_COMB3]](i8*, i8*)
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// CHECK: fadd float %
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// CHECK: store float %{{.+}}, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_INIT4]](i8*)
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: store float 0.000000e+00, float* %
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// CHECK: ret void
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// CHECK: define internal void [[RED_COMB4]](i8*, i8*)
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// CHECK: call i8* @__kmpc_threadprivate_cached(
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// CHECK: fadd float %
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// CHECK: store float %{{.+}}, float* %
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// CHECK: ret void
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