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clang-p2996/clang/test/OpenMP/single_codegen.cpp
Alexey Bataev 7ace49dff1 [OPENMP] Pass scalar firstprivate vars by value. 
For better performance and to unify code with offloading part we pass
scalar firstprivate values by value, instead of by reference. It will
remove some extra copying operations.

llvm-svn: 269751
2016-05-17 08:55:33 +00:00

415 lines
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// RUN: %clang_cc1 -verify -fopenmp -fnoopenmp-use-tls -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fnoopenmp-use-tls -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fnoopenmp-use-tls -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -std=c++11 -fopenmp -fnoopenmp-use-tls -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
// RUN: %clang_cc1 -verify -fopenmp -fnoopenmp-use-tls -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
// expected-no-diagnostics
// REQUIRES: x86-registered-target
#ifndef ARRAY
#ifndef HEADER
#define HEADER
class TestClass {
public:
int a;
TestClass() : a(0) {}
TestClass(const TestClass &C) : a(C.a) {}
TestClass &operator=(const TestClass &) { return *this;}
~TestClass(){};
};
// CHECK-DAG: [[TEST_CLASS_TY:%.+]] = type { i{{[0-9]+}} }
// CHECK-DAG: [[SST_TY:%.+]] = type { double }
// CHECK-DAG: [[SS_TY:%.+]] = type { i32, i8, i32* }
// CHECK-DAG: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
// CHECK: [[IMPLICIT_BARRIER_SINGLE_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 322, i32 0, i32 0, i8*
// CHECK: define void [[FOO:@.+]]()
TestClass tc;
TestClass tc2[2];
#pragma omp threadprivate(tc, tc2)
void foo() {}
struct SS {
int a;
int b : 4;
int &c;
SS(int &d) : a(0), b(0), c(d) {
#pragma omp parallel firstprivate(a, b, c)
#pragma omp single copyprivate(a, this->b, (this)->c)
[&]() {
++this->a, --b, (this)->c /= 1;
#pragma omp parallel firstprivate(a, b, c)
#pragma omp single copyprivate(a, this->b, (this)->c)
++(this)->a, --b, this->c /= 1;
}();
}
};
template<typename T>
struct SST {
T a;
SST() : a(T()) {
#pragma omp parallel firstprivate(a)
#pragma omp single copyprivate(this->a)
[&]() {
[&]() {
++this->a;
#pragma omp parallel firstprivate(a)
#pragma omp single copyprivate((this)->a)
++(this)->a;
}();
}();
}
};
// CHECK-LABEL: @main
// TERM_DEBUG-LABEL: @main
int main() {
// CHECK-DAG: [[A_ADDR:%.+]] = alloca i8
// CHECK-DAG: [[A2_ADDR:%.+]] = alloca [2 x i8]
// CHECK-DAG: [[C_ADDR:%.+]] = alloca [[TEST_CLASS_TY]]
char a;
char a2[2];
TestClass &c = tc;
SST<double> sst;
SS ss(c.a);
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:@.+]])
// CHECK-DAG: [[DID_IT:%.+]] = alloca i32,
// CHECK-DAG: [[COPY_LIST:%.+]] = alloca [5 x i8*],
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
// CHECK-NEXT: store i8 2, i8* [[A_ADDR]]
// CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
// CHECK-NOT: call {{.+}} @__kmpc_cancel_barrier
#pragma omp single nowait
a = 2;
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
// CHECK-NEXT: store i8 2, i8* [[A_ADDR]]
// CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
// CHECK: call{{.*}} @__kmpc_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_SINGLE_LOC]], i32 [[GTID]])
#pragma omp single
a = 2;
// CHECK: store i32 0, i32* [[DID_IT]]
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
// CHECK-NEXT: invoke void [[FOO]]()
// CHECK: to label {{%?}}[[CONT:.+]] unwind
// CHECK: [[CONT]]
// CHECK: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK: store i32 1, i32* [[DID_IT]]
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
// CHECK: [[A_PTR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[COPY_LIST]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: store i8* [[A_ADDR]], i8** [[A_PTR_REF]],
// CHECK: [[C_PTR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[COPY_LIST]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: store i8* {{.+}}, i8** [[C_PTR_REF]],
// CHECK: [[TC_PTR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[COPY_LIST]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: [[TC_THREADPRIVATE_ADDR_VOID_PTR:%.+]] = call{{.*}} i8* @__kmpc_threadprivate_cached
// CHECK: [[TC_THREADPRIVATE_ADDR:%.+]] = bitcast i8* [[TC_THREADPRIVATE_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: [[TC_PTR_REF_VOID_PTR:%.+]] = bitcast [[TEST_CLASS_TY]]* [[TC_THREADPRIVATE_ADDR]] to i8*
// CHECK: store i8* [[TC_PTR_REF_VOID_PTR]], i8** [[TC_PTR_REF]],
// CHECK: [[A2_PTR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[COPY_LIST]], i{{[0-9]+}} 0, i{{[0-9]+}} 3
// CHECK: [[BITCAST:%.+]] = bitcast [2 x i8]* [[A2_ADDR]] to i8*
// CHECK: store i8* [[BITCAST]], i8** [[A2_PTR_REF]],
// CHECK: [[TC2_PTR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[COPY_LIST]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[TC2_THREADPRIVATE_ADDR_VOID_PTR:%.+]] = call{{.*}} i8* @__kmpc_threadprivate_cached
// CHECK: [[TC2_THREADPRIVATE_ADDR:%.+]] = bitcast i8* [[TC2_THREADPRIVATE_ADDR_VOID_PTR]] to [2 x [[TEST_CLASS_TY]]]*
// CHECK: [[TC2_PTR_REF_VOID_PTR:%.+]] = bitcast [2 x [[TEST_CLASS_TY]]]* [[TC2_THREADPRIVATE_ADDR]] to i8*
// CHECK: store i8* [[TC2_PTR_REF_VOID_PTR]], i8** [[TC2_PTR_REF]],
// CHECK: [[COPY_LIST_VOID_PTR:%.+]] = bitcast [5 x i8*]* [[COPY_LIST]] to i8*
// CHECK: [[DID_IT_VAL:%.+]] = load i32, i32* [[DID_IT]],
// CHECK: call void @__kmpc_copyprivate([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i64 40, i8* [[COPY_LIST_VOID_PTR]], void (i8*, i8*)* [[COPY_FUNC:@.+]], i32 [[DID_IT_VAL]])
// CHECK-NOT: call {{.+}} @__kmpc_cancel_barrier
#pragma omp single copyprivate(a, c, tc, a2, tc2)
foo();
// CHECK-NOT: call i32 @__kmpc_single
// CHECK-NOT: call void @__kmpc_end_single
return a;
}
// CHECK: void [[COPY_FUNC]](i8*, i8*)
// CHECK: store i8* %0, i8** [[DST_ADDR_REF:%.+]],
// CHECK: store i8* %1, i8** [[SRC_ADDR_REF:%.+]],
// CHECK: [[DST_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[DST_ADDR_REF]],
// CHECK: [[DST_ADDR:%.+]] = bitcast i8* [[DST_ADDR_VOID_PTR]] to [5 x i8*]*
// CHECK: [[SRC_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[SRC_ADDR_REF]],
// CHECK: [[SRC_ADDR:%.+]] = bitcast i8* [[SRC_ADDR_VOID_PTR]] to [5 x i8*]*
// CHECK: [[DST_A_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[DST_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: [[DST_A_ADDR:%.+]] = load i8*, i8** [[DST_A_ADDR_REF]],
// CHECK: [[SRC_A_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[SRC_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
// CHECK: [[SRC_A_ADDR:%.+]] = load i8*, i8** [[SRC_A_ADDR_REF]],
// CHECK: [[SRC_A_VAL:%.+]] = load i8, i8* [[SRC_A_ADDR]],
// CHECK: store i8 [[SRC_A_VAL]], i8* [[DST_A_ADDR]],
// CHECK: [[DST_C_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[DST_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: [[DST_C_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[DST_C_ADDR_REF]],
// CHECK: [[DST_C_ADDR:%.+]] = bitcast i8* [[DST_C_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: [[SRC_C_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[SRC_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
// CHECK: [[SRC_C_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[SRC_C_ADDR_REF]],
// CHECK: [[SRC_C_ADDR:%.+]] = bitcast i8* [[SRC_C_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: call{{.*}} [[TEST_CLASS_TY_ASSIGN:@.+]]([[TEST_CLASS_TY]]* [[DST_C_ADDR]], [[TEST_CLASS_TY]]* {{.*}}[[SRC_C_ADDR]])
// CHECK: [[DST_TC_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[DST_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: [[DST_TC_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[DST_TC_ADDR_REF]],
// CHECK: [[DST_TC_ADDR:%.+]] = bitcast i8* [[DST_TC_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: [[SRC_TC_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[SRC_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
// CHECK: [[SRC_TC_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[SRC_TC_ADDR_REF]],
// CHECK: [[SRC_TC_ADDR:%.+]] = bitcast i8* [[SRC_TC_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: call{{.*}} [[TEST_CLASS_TY_ASSIGN]]([[TEST_CLASS_TY]]* [[DST_TC_ADDR]], [[TEST_CLASS_TY]]* {{.*}}[[SRC_TC_ADDR]])
// CHECK: [[DST_A2_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[DST_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 3
// CHECK: [[DST_A2_ADDR:%.+]] = load i8*, i8** [[DST_A2_ADDR_REF]],
// CHECK: [[SRC_A2_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[SRC_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 3
// CHECK: [[SRC_A2_ADDR:%.+]] = load i8*, i8** [[SRC_A2_ADDR_REF]],
// CHECK: call void @llvm.memcpy.{{.+}}(i8* [[DST_A2_ADDR]], i8* [[SRC_A2_ADDR]], i{{[0-9]+}} 2, i{{[0-9]+}} 1, i1 false)
// CHECK: [[DST_TC2_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[DST_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[DST_TC2_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[DST_TC2_ADDR_REF]],
// CHECK: [[DST_TC2_ADDR:%.+]] = bitcast i8* [[DST_TC2_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: [[SRC_TC2_ADDR_REF:%.+]] = getelementptr inbounds [5 x i8*], [5 x i8*]* [[SRC_ADDR]], i{{[0-9]+}} 0, i{{[0-9]+}} 4
// CHECK: [[SRC_TC2_ADDR_VOID_PTR:%.+]] = load i8*, i8** [[SRC_TC2_ADDR_REF]],
// CHECK: [[SRC_TC2_ADDR:%.+]] = bitcast i8* [[SRC_TC2_ADDR_VOID_PTR]] to [[TEST_CLASS_TY]]*
// CHECK: br i1
// CHECK: call{{.*}} [[TEST_CLASS_TY_ASSIGN]]([[TEST_CLASS_TY]]* %{{.+}}, [[TEST_CLASS_TY]]* {{.*}})
// CHECK: br i1
// CHECK: ret void
// CHECK-LABEL: parallel_single
// TERM_DEBUG-LABEL: parallel_single
void parallel_single() {
#pragma omp parallel
#pragma omp single
// TERM_DEBUG-NOT: __kmpc_global_thread_num
// TERM_DEBUG: call i32 @__kmpc_single({{.+}}), !dbg [[DBG_LOC_START:![0-9]+]]
// TERM_DEBUG: invoke void {{.*}}foo{{.*}}()
// TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
// TERM_DEBUG-NOT: __kmpc_global_thread_num
// TERM_DEBUG: call void @__kmpc_end_single({{.+}}), !dbg [[DBG_LOC_END:![0-9]+]]
// TERM_DEBUG: [[TERM_LPAD]]
// TERM_DEBUG: call void @__clang_call_terminate
// TERM_DEBUG: unreachable
foo();
}
// TERM_DEBUG-DAG: [[DBG_LOC_START]] = !DILocation(line: [[@LINE-12]],
// TERM_DEBUG-DAG: [[DBG_LOC_END]] = !DILocation(line: [[@LINE-3]],
#endif
#else
// ARRAY-LABEL: array_func
struct St {
int a, b;
St() : a(0), b(0) {}
St &operator=(const St &) { return *this; };
~St() {}
};
void array_func(int n, int a[n], St s[2]) {
// ARRAY: call void @__kmpc_copyprivate(%ident_t* @{{.+}}, i32 %{{.+}}, i64 16, i8* %{{.+}}, void (i8*, i8*)* [[CPY:@.+]], i32 %{{.+}})
#pragma omp single copyprivate(a, s)
;
}
// ARRAY: define internal void [[CPY]]
// ARRAY: store i32* %{{.+}}, i32** %{{.+}},
// ARRAY: store %struct.St* %{{.+}}, %struct.St** %{{.+}},
#endif
// CHECK-LABEL:@_ZN2SSC2ERi(
// CHECK: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* @{{.+}}, i32 4, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, [[SS_TY]]*, i32, i32, i32)* [[SS_MICROTASK:@.+]] to void
// CHECK-NEXT: ret void
// CHECK: define internal void [[SS_MICROTASK]](i32* {{[^,]+}}, i32* {{[^,]+}}, [[SS_TY]]* {{.+}}, i32 {{.+}}, i32 {{.+}}, i32 {{.+}})
// Private a
// CHECK: alloca i32,
// Private b
// CHECK: alloca i32,
// Private c
// CHECK: alloca i32,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: [[DID_IT:%.+]] = alloca i32,
// CHECK: store i32 0, i32* [[DID_IT]],
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1
// CHECK: getelementptr inbounds [[CAP_TY:%.+]], [[CAP_TY]]* [[CAP:%.+]], i32 0, i32 0
// CHECK: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 1
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: store i32* %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 2
// CHECK-NEXT: store i32* %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 3
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: store i32* %
// CHECK-LABEL: invoke void @_ZZN2SSC1ERiENKUlvE_clEv(
// CHECK-SAME: [[CAP_TY]]* [[CAP]])
// CHECK: call void @__kmpc_end_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK: store i32 1, i32* [[DID_IT]],
// CHECK: br label
// CHECK: call void @__kmpc_end_single(%{{.+}}* @{{.+}}, i32 %{{.+}})
// CHECK: br label
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST:%.+]], i64 0, i64 0
// CHECK: load i32*, i32** %
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST]], i64 0, i64 1
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST]], i64 0, i64 2
// CHECK: load i32*, i32** %
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK-NEXT: bitcast [3 x i8*]* [[LIST]] to i8*
// CHECK-NEXT: load i32, i32* [[DID_IT]],
// CHECK-NEXT: call void @__kmpc_copyprivate([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}}, i64 24, i8* %{{.+}}, void (i8*, i8*)* [[COPY_FUNC:@[^,]+]], i32 %{{.+}})
// CHECK-NEXT: ret void
// CHECK-LABEL: @_ZZN2SSC1ERiENKUlvE_clEv(
// CHECK: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP:%.+]], i32 0, i32 1
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: add nsw i32 %{{.+}}, 1
// CHECK-NEXT: store i32 %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 2
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: add nsw i32 %{{.+}}, -1
// CHECK-NEXT: store i32 %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 3
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: sdiv i32 %{{.+}}, 1
// CHECK-NEXT: store i32 %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 1
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 2
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: getelementptr inbounds [[CAP_TY]], [[CAP_TY]]* [[CAP]], i32 0, i32 3
// CHECK-NEXT: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* @{{.+}}, i32 4, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, [[SS_TY]]*, i32, i32, i32)* [[SS_MICROTASK1:@.+]] to void
// CHECK-NEXT: ret void
// CHECK: define internal void [[COPY_FUNC]](i8*, i8*)
// CHECK: ret void
// CHECK: define internal void [[SS_MICROTASK1]](i32* {{[^,]+}}, i32* {{[^,]+}}, [[SS_TY]]* {{.+}}, i32 {{.+}}, i32 {{.+}}, i32 {{.+}})
// Private a
// CHECK: alloca i32,
// Private b
// CHECK: alloca i32,
// Private c
// CHECK: alloca i32,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: alloca i32*,
// CHECK: [[DID_IT:%.+]] = alloca i32,
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1
// CHECK-NOT: getelementptr inbounds
// CHECK: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: add nsw i32 %{{.+}}, 1
// CHECK-NEXT: store i32 %
// CHECK-NOT: getelementptr inbounds
// CHECK: load i32, i32* %
// CHECK-NEXT: add nsw i32 %{{.+}}, -1
// CHECK-NEXT: store i32 %
// CHECK-NOT: getelementptr inbounds
// CHECK: load i32*, i32** %
// CHECK-NEXT: load i32, i32* %
// CHECK-NEXT: sdiv i32 %{{.+}}, 1
// CHECK-NEXT: store i32 %
// CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: store i32 1, i32* [[DID_IT]],
// CHECK-NEXT: br label
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST:%.+]], i64 0, i64 0
// CHECK: load i32*, i32** %
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST]], i64 0, i64 1
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK: getelementptr inbounds [3 x i8*], [3 x i8*]* [[LIST]], i64 0, i64 2
// CHECK: load i32*, i32** %
// CHECK-NEXT: bitcast i32* %
// CHECK-NEXT: store i8* %
// CHECK-NEXT: bitcast [3 x i8*]* [[LIST]] to i8*
// CHECK-NEXT: load i32, i32* [[DID_IT]],
// CHECK-NEXT: call void @__kmpc_copyprivate([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}}, i64 24, i8* %{{.+}}, void (i8*, i8*)* [[COPY_FUNC:@[^,]+]], i32 %{{.+}})
// CHECK-NEXT: ret void
// CHECK: define internal void [[COPY_FUNC]](i8*, i8*)
// CHECK: ret void
// CHECK-LABEL: @_ZN3SSTIdEC2Ev
// CHECK: getelementptr inbounds [[SST_TY]], [[SST_TY]]* %{{.+}}, i32 0, i32 0
// CHECK-NEXT: store double 0.000000e+00, double* %
// CHECK-NEXT: getelementptr inbounds [[SST_TY]], [[SST_TY]]* %{{.+}}, i32 0, i32 0
// CHECK-NEXT: store double* %
// CHECK-NEXT: load double*, double** %
// CHECK-NEXT: load double, double* %
// CHECK-NEXT: call void ([[IDENT_T_TY]]*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call([[IDENT_T_TY]]* @{{.+}}, i32 2, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, [[SST_TY]]*, double)* [[SST_MICROTASK:@.+]] to void
// CHECK-NEXT: ret void
// CHECK: define internal void [[SST_MICROTASK]](i32* {{[^,]+}}, i32* {{[^,]+}}, [[SST_TY]]* {{.+}}, double {{.+}})
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1
// CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 1
// CHECK-NEXT: load double*, double** %
// CHECK-NEXT: store double* %
// CHECK-LABEL: invoke void @_ZZN3SSTIdEC1EvENKUlvE_clEv(
// CHECK: call void @__kmpc_end_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: store i32 1, i32* [[DID_IT]],
// CHECK-NEXT: br label
// CHECK: call void @__kmpc_end_single([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}})
// CHECK-NEXT: br label
// CHECK: getelementptr inbounds [1 x i8*], [1 x i8*]* [[LIST:%.+]], i64 0, i64 0
// CHECK: load double*, double** %
// CHECK-NEXT: bitcast double* %
// CHECK-NEXT: store i8* %
// CHECK-NEXT: bitcast [1 x i8*]* [[LIST]] to i8*
// CHECK-NEXT: load i32, i32* [[DID_IT]],
// CHECK-NEXT: call void @__kmpc_copyprivate([[IDENT_T_TY]]* @{{.+}}, i32 %{{.+}}, i64 8, i8* %{{.+}}, void (i8*, i8*)* [[COPY_FUNC:@[^,]+]], i32 %{{.+}})
// CHECK-NEXT: ret void
// CHECK-LABEL: @_ZZN3SSTIdEC1EvENKUlvE_clEv(
// CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 1
// CHECK-NEXT: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 1
// CHECK-NEXT: load double*, double** %
// CHECK-NEXT: store double* %
// CHECK-LABEL: call void @_ZZZN3SSTIdEC1EvENKUlvE_clEvENKUlvE_clEv(
// CHECK-NEXT: ret void
// CHECK: define internal void [[COPY_FUNC]](i8*, i8*)
// CHECK: ret void
// CHECK-LABEL: @_ZZZN3SSTIdEC1EvENKUlvE_clEvENKUlvE_clEv(
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