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llvm-project/clang/test/OpenMP/target_uses_allocators.c
Jennifer Yu a419ec4f25 Fix runtime crash inside __kmpc_init_allocator 
It seems load of traits.addr should be passed in runtime call.  Currently
the load of load traits.addr gets passed cause runtime to fail.

To fix this, skip the call to EmitLoadOfScalar for extra load.

Differential Revision: https://reviews.llvm.org/D151576
2023-05-26 16:03:01 -07:00

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// Test host codegen.
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -verify -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -include-pch %t %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -verify -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -include-pch %t %s -emit-llvm -o - | FileCheck %s
#ifndef HEADER
#define HEADER
typedef enum omp_allocator_handle_t {
omp_null_allocator = 0,
omp_default_mem_alloc = 1,
omp_large_cap_mem_alloc = 2,
omp_const_mem_alloc = 3,
omp_high_bw_mem_alloc = 4,
omp_low_lat_mem_alloc = 5,
omp_cgroup_mem_alloc = 6,
omp_pteam_mem_alloc = 7,
omp_thread_mem_alloc = 8,
KMP_ALLOCATOR_MAX_HANDLE = __UINTPTR_MAX__
} omp_allocator_handle_t;
typedef enum omp_alloctrait_key_t { omp_atk_sync_hint = 1,
omp_atk_alignment = 2,
omp_atk_access = 3,
omp_atk_pool_size = 4,
omp_atk_fallback = 5,
omp_atk_fb_data = 6,
omp_atk_pinned = 7,
omp_atk_partition = 8
} omp_alloctrait_key_t;
typedef struct omp_alloctrait_t {
omp_alloctrait_key_t key;
__UINTPTR_TYPE__ value;
} omp_alloctrait_t;
// CHECK: define {{.*}}[[FIE:@.+]]()
void fie(void) {
int x;
omp_allocator_handle_t my_allocator;
omp_alloctrait_t traits[10];
#pragma omp target uses_allocators(omp_null_allocator) allocate(omp_null_allocator: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_default_mem_alloc) allocate(omp_default_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_large_cap_mem_alloc) allocate(omp_large_cap_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_const_mem_alloc) allocate(omp_const_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_high_bw_mem_alloc) allocate(omp_high_bw_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_low_lat_mem_alloc) allocate(omp_low_lat_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_cgroup_mem_alloc) allocate(omp_cgroup_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_pteam_mem_alloc) allocate(omp_pteam_mem_alloc: x) firstprivate(x)
{}
#pragma omp target uses_allocators(omp_thread_mem_alloc) allocate(omp_thread_mem_alloc: x) firstprivate(x) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}}
{}
#pragma omp target uses_allocators(omp_null_allocator, omp_thread_mem_alloc, my_allocator(traits))
{}
}
#endif
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr null)
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr null)
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 1 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 1 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 2 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 2 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 3 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 3 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 4 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 4 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 5 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 5 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 6 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 6 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 7 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 7 to ptr))
// CHECK: %[[#R0:]] = call i32 @__kmpc_global_thread_num(ptr @1)
// CHECK-NEXT: store i64 %x, ptr %x.addr, align 8
// CHECK-NEXT: %.x..void.addr = call ptr @__kmpc_alloc(i32 %[[#R0]], i64 4, ptr inttoptr (i64 8 to ptr))
// CHECK-NEXT: %[[#R1:]] = load i32, ptr %x.addr, align 4
// CHECK-NEXT: store i32 %[[#R1]], ptr %.x..void.addr, align 4
// CHECK-NEXT: call void @__kmpc_free(i32 %[[#R0]], ptr %.x..void.addr, ptr inttoptr (i64 8 to ptr))
// CHECK: [[TRAITS_ADDR_REF:%.+]] = alloca ptr,
// CHECK: [[MY_ALLOCATOR_ADDR:%.+]] = alloca i64,
// CHECK: [[TRAITS_ADDR:%.+]] = load ptr, ptr [[TRAITS_ADDR_REF]],
// CHECK: [[ALLOCATOR:%.+]] = call ptr @__kmpc_init_allocator(i32 %{{.+}}, ptr null, i32 10, ptr [[TRAITS_ADDR]])
// CHECK: [[CONV:%.+]] = ptrtoint ptr [[ALLOCATOR]] to i64
// CHECK: store i64 [[CONV]], ptr [[MY_ALLOCATOR_ADDR]],
// Destroy allocator upon exit from the region.
// CHECK: [[ALLOCATOR:%.+]] = load i64, ptr [[MY_ALLOCATOR_ADDR]],
// CHECK: [[CONV:%.+]] = inttoptr i64 [[ALLOCATOR]] to ptr
// CHECK: call void @__kmpc_destroy_allocator(i32 %{{.+}}, ptr [[CONV]])
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