r262652 - Add code generation for teams directive inside target region
Carlo Bertolli via cfe-commits
cfe-commits at lists.llvm.org
Thu Mar 3 12:34:23 PST 2016
Author: cbertol
Date: Thu Mar 3 14:34:23 2016
New Revision: 262652
URL: http://llvm.org/viewvc/llvm-project?rev=262652&view=rev
Log:
Add code generation for teams directive inside target region
Modified:
cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h
cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp
cfe/trunk/lib/CodeGen/CodeGenFunction.h
cfe/trunk/test/OpenMP/teams_codegen.cpp
Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp?rev=262652&r1=262651&r2=262652&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp Thu Mar 3 14:34:23 2016
@@ -537,6 +537,12 @@ enum OpenMPRTLFunction {
// Call to kmp_int32 __kmpc_cancel(ident_t *loc, kmp_int32 global_tid,
// kmp_int32 cncl_kind);
OMPRTL__kmpc_cancel,
+ // Call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32 global_tid,
+ // kmp_int32 num_teams, kmp_int32 thread_limit);
+ OMPRTL__kmpc_push_num_teams,
+ /// \brief Call to void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc,
+ /// kmpc_micro microtask, ...);
+ OMPRTL__kmpc_fork_teams,
//
// Offloading related calls
@@ -625,7 +631,7 @@ static Address createIdentFieldGEP(CodeG
return CGF.Builder.CreateStructGEP(Addr, Field, Offset, Name);
}
-llvm::Value *CGOpenMPRuntime::emitParallelOutlinedFunction(
+llvm::Value *CGOpenMPRuntime::emitParallelOrTeamsOutlinedFunction(
const OMPExecutableDirective &D, const VarDecl *ThreadIDVar,
OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen) {
assert(ThreadIDVar->getType()->isPointerType() &&
@@ -1205,6 +1211,26 @@ CGOpenMPRuntime::createRuntimeFunction(u
RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_cancel");
break;
}
+ case OMPRTL__kmpc_push_num_teams: {
+ // Build void kmpc_push_num_teams (ident_t loc, kmp_int32 global_tid,
+ // kmp_int32 num_teams, kmp_int32 num_threads)
+ llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty, CGM.Int32Ty,
+ CGM.Int32Ty};
+ llvm::FunctionType *FnTy =
+ llvm::FunctionType::get(CGM.Int32Ty, TypeParams, /*isVarArg*/ false);
+ RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_push_num_teams");
+ break;
+ }
+ case OMPRTL__kmpc_fork_teams: {
+ // Build void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro
+ // microtask, ...);
+ llvm::Type *TypeParams[] = {getIdentTyPointerTy(), CGM.Int32Ty,
+ getKmpc_MicroPointerTy()};
+ llvm::FunctionType *FnTy =
+ llvm::FunctionType::get(CGM.VoidTy, TypeParams, /*isVarArg*/ true);
+ RTLFn = CGM.CreateRuntimeFunction(FnTy, "__kmpc_fork_teams");
+ break;
+ }
case OMPRTL__tgt_target: {
// Build int32_t __tgt_target(int32_t device_id, void *host_ptr, int32_t
// arg_num, void** args_base, void **args, size_t *arg_sizes, int32_t
@@ -4604,3 +4630,43 @@ llvm::Function *CGOpenMPRuntime::emitReg
// compilation unit.
return createOffloadingBinaryDescriptorRegistration();
}
+
+void CGOpenMPRuntime::emitTeamsCall(CodeGenFunction &CGF,
+ const OMPExecutableDirective &D,
+ SourceLocation Loc,
+ llvm::Value *OutlinedFn,
+ ArrayRef<llvm::Value *> CapturedVars) {
+ if (!CGF.HaveInsertPoint())
+ return;
+
+ auto *RTLoc = emitUpdateLocation(CGF, Loc);
+ CodeGenFunction::RunCleanupsScope Scope(CGF);
+
+ // Build call __kmpc_fork_teams(loc, n, microtask, var1, .., varn);
+ llvm::Value *Args[] = {
+ RTLoc,
+ CGF.Builder.getInt32(CapturedVars.size()), // Number of captured vars
+ CGF.Builder.CreateBitCast(OutlinedFn, getKmpc_MicroPointerTy())};
+ llvm::SmallVector<llvm::Value *, 16> RealArgs;
+ RealArgs.append(std::begin(Args), std::end(Args));
+ RealArgs.append(CapturedVars.begin(), CapturedVars.end());
+
+ auto RTLFn = createRuntimeFunction(OMPRTL__kmpc_fork_teams);
+ CGF.EmitRuntimeCall(RTLFn, RealArgs);
+}
+
+void CGOpenMPRuntime::emitNumTeamsClause(CodeGenFunction &CGF,
+ llvm::Value *NumTeams,
+ llvm::Value *ThreadLimit,
+ SourceLocation Loc) {
+ if (!CGF.HaveInsertPoint())
+ return;
+
+ auto *RTLoc = emitUpdateLocation(CGF, Loc);
+
+ // Build call __kmpc_push_num_teamss(&loc, global_tid, num_teams, thread_limit)
+ llvm::Value *PushNumTeamsArgs[] = {
+ RTLoc, getThreadID(CGF, Loc), NumTeams, ThreadLimit};
+ CGF.EmitRuntimeCall(createRuntimeFunction(OMPRTL__kmpc_push_num_teams),
+ PushNumTeamsArgs);
+}
Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h?rev=262652&r1=262651&r2=262652&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h (original)
+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h Thu Mar 3 14:34:23 2016
@@ -372,7 +372,7 @@ public:
/// \param InnermostKind Kind of innermost directive (for simple directives it
/// is a directive itself, for combined - its innermost directive).
/// \param CodeGen Code generation sequence for the \a D directive.
- virtual llvm::Value *emitParallelOutlinedFunction(
+ virtual llvm::Value *emitParallelOrTeamsOutlinedFunction(
const OMPExecutableDirective &D, const VarDecl *ThreadIDVar,
OpenMPDirectiveKind InnermostKind, const RegionCodeGenTy &CodeGen);
@@ -782,6 +782,28 @@ public:
/// was emitted in the current module and return the function that registers
/// it.
virtual llvm::Function *emitRegistrationFunction();
+
+ /// \brief Emits code for teams call of the \a OutlinedFn with
+ /// variables captured in a record which address is stored in \a
+ /// CapturedStruct.
+ /// \param OutlinedFn Outlined function to be run by team masters. Type of
+ /// this function is void(*)(kmp_int32 *, kmp_int32, struct context_vars*).
+ /// \param CapturedVars A pointer to the record with the references to
+ /// variables used in \a OutlinedFn function.
+ ///
+ virtual void emitTeamsCall(CodeGenFunction &CGF,
+ const OMPExecutableDirective &D,
+ SourceLocation Loc, llvm::Value *OutlinedFn,
+ ArrayRef<llvm::Value *> CapturedVars);
+
+ /// \brief Emits call to void __kmpc_push_num_teams(ident_t *loc, kmp_int32
+ /// global_tid, kmp_int32 num_teams, kmp_int32 thread_limit) to generate code
+ /// for num_teams clause.
+ /// \param NumTeams An integer value of teams.
+ /// \param ThreadsLimit An integer value of threads.
+ virtual void emitNumTeamsClause(CodeGenFunction &CGF, llvm::Value *NumTeams,
+ llvm::Value *ThreadLimit, SourceLocation Loc);
+
};
} // namespace CodeGen
Modified: cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp?rev=262652&r1=262651&r2=262652&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp Thu Mar 3 14:34:23 2016
@@ -983,8 +983,9 @@ static void emitCommonOMPParallelDirecti
auto CS = cast<CapturedStmt>(S.getAssociatedStmt());
llvm::SmallVector<llvm::Value *, 16> CapturedVars;
CGF.GenerateOpenMPCapturedVars(*CS, CapturedVars);
- auto OutlinedFn = CGF.CGM.getOpenMPRuntime().emitParallelOutlinedFunction(
- S, *CS->getCapturedDecl()->param_begin(), InnermostKind, CodeGen);
+ auto OutlinedFn = CGF.CGM.getOpenMPRuntime().
+ emitParallelOrTeamsOutlinedFunction(S,
+ *CS->getCapturedDecl()->param_begin(), InnermostKind, CodeGen);
if (const auto *NumThreadsClause = S.getSingleClause<OMPNumThreadsClause>()) {
CodeGenFunction::RunCleanupsScope NumThreadsScope(CGF);
auto NumThreads = CGF.EmitScalarExpr(NumThreadsClause->getNumThreads(),
@@ -2716,12 +2717,48 @@ void CodeGenFunction::EmitOMPTargetDirec
CapturedVars);
}
-void CodeGenFunction::EmitOMPTeamsDirective(const OMPTeamsDirective &S) {
- OMPLexicalScope Scope(*this, S);
- const CapturedStmt &CS = *cast<CapturedStmt>(S.getAssociatedStmt());
+static void emitCommonOMPTeamsDirective(CodeGenFunction &CGF,
+ const OMPExecutableDirective &S,
+ OpenMPDirectiveKind InnermostKind,
+ const RegionCodeGenTy &CodeGen) {
+ auto CS = cast<CapturedStmt>(S.getAssociatedStmt());
+ llvm::SmallVector<llvm::Value *, 16> CapturedVars;
+ CGF.GenerateOpenMPCapturedVars(*CS, CapturedVars);
+ auto OutlinedFn = CGF.CGM.getOpenMPRuntime().
+ emitParallelOrTeamsOutlinedFunction(S,
+ *CS->getCapturedDecl()->param_begin(), InnermostKind, CodeGen);
+
+ const OMPTeamsDirective &TD = *dyn_cast<OMPTeamsDirective>(&S);
+ const OMPNumTeamsClause *NT = TD.getSingleClause<OMPNumTeamsClause>();
+ const OMPThreadLimitClause *TL = TD.getSingleClause<OMPThreadLimitClause>();
+ if (NT || TL) {
+ llvm::Value *NumTeamsVal = (NT) ? CGF.Builder.CreateIntCast(
+ CGF.EmitScalarExpr(NT->getNumTeams()), CGF.CGM.Int32Ty,
+ /* isSigned = */ true) :
+ CGF.Builder.getInt32(0);
+
+ llvm::Value *ThreadLimitVal = (TL) ? CGF.Builder.CreateIntCast(
+ CGF.EmitScalarExpr(TL->getThreadLimit()), CGF.CGM.Int32Ty,
+ /* isSigned = */ true) :
+ CGF.Builder.getInt32(0);
+
+ CGF.CGM.getOpenMPRuntime().emitNumTeamsClause(CGF, NumTeamsVal,
+ ThreadLimitVal, S.getLocStart());
+ }
- // FIXME: We should fork teams here instead of just emit the statement.
- EmitStmt(CS.getCapturedStmt());
+ CGF.CGM.getOpenMPRuntime().emitTeamsCall(CGF, S, S.getLocStart(), OutlinedFn,
+ CapturedVars);
+}
+
+void CodeGenFunction::EmitOMPTeamsDirective(const OMPTeamsDirective &S) {
+ LexicalScope Scope(*this, S.getSourceRange());
+ // Emit parallel region as a standalone region.
+ auto &&CodeGen = [&S](CodeGenFunction &CGF) {
+ OMPPrivateScope PrivateScope(CGF);
+ (void)PrivateScope.Privatize();
+ CGF.EmitStmt(cast<CapturedStmt>(S.getAssociatedStmt())->getCapturedStmt());
+ };
+ emitCommonOMPTeamsDirective(*this, S, OMPD_teams, CodeGen);
}
void CodeGenFunction::EmitOMPCancellationPointDirective(
Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=262652&r1=262651&r2=262652&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)
+++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Thu Mar 3 14:34:23 2016
@@ -2221,6 +2221,8 @@ public:
llvm::Function *EmitCapturedStmt(const CapturedStmt &S, CapturedRegionKind K);
llvm::Function *GenerateCapturedStmtFunction(const CapturedStmt &S);
Address GenerateCapturedStmtArgument(const CapturedStmt &S);
+ llvm::Function *GenerateOpenMPCapturedStmtFunction(const CapturedStmt &S,
+ QualType ReturnQTy);
llvm::Function *GenerateOpenMPCapturedStmtFunction(const CapturedStmt &S);
void GenerateOpenMPCapturedVars(const CapturedStmt &S,
SmallVectorImpl<llvm::Value *> &CapturedVars);
Modified: cfe/trunk/test/OpenMP/teams_codegen.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/teams_codegen.cpp?rev=262652&r1=262651&r2=262652&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/teams_codegen.cpp (original)
+++ cfe/trunk/test/OpenMP/teams_codegen.cpp Thu Mar 3 14:34:23 2016
@@ -207,4 +207,136 @@ int teams_template_struct(void) {
}
#endif // CK3
+
+// Test target codegen - host bc file has to be created first.
+// RUN: %clang_cc1 -DCK4 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
+// RUN: %clang_cc1 -DCK4 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CK4 --check-prefix CK4-64
+// RUN: %clang_cc1 -DCK4 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o %t %s
+// RUN: %clang_cc1 -DCK4 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK4 --check-prefix CK4-64
+// RUN: %clang_cc1 -DCK4 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm-bc %s -o %t-x86-host.bc
+// RUN: %clang_cc1 -DCK4 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CK4 --check-prefix CK4-32
+// RUN: %clang_cc1 -DCK4 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o %t %s
+// RUN: %clang_cc1 -DCK4 -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK4 --check-prefix CK4-32
+
+#ifdef CK4
+
+// CK4-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
+// CK4-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
+// CK4-DAG: [[DEF_LOC_0:@.+]] = private unnamed_addr constant %ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
+// CK4-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}teams_codegen.cpp;main;[[@LINE+14]];9;;\00"
+// CK4-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}teams_codegen.cpp;tmain;[[@LINE+7]];9;;\00"
+
+template <typename T>
+int tmain(T argc) {
+#pragma omp target
+#pragma omp teams
+ argc = 0;
+ return 0;
+}
+
+int main (int argc, char **argv) {
+#pragma omp target
+#pragma omp teams
+ argc = 0;
+ return tmain(argv);
+}
+
+// CK4: define {{.*}}void @{{[^,]+}}(i{{.+}} %[[ARGC:.+]])
+// CK4: [[ARGCADDR:%.+]] = alloca i{{.+}}
+// CK4: store i{{.+}} %[[ARGC]], i{{.+}}* [[ARGCADDR]]
+// CK4-64: [[CONV:%.+]] = bitcast i64* [[ARGCADDR]] to i32*
+// CK4-64: call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* {{.+}} to void (i32*, i32*, ...)*), i32* [[CONV]])
+// CK4-32: call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* {{.+}} to void (i32*, i32*, ...)*), i32* [[ARGCADDR]])
+// CK4: ret void
+// CK4-NEXT: }
+
+// CK4: define {{.*}}void @{{[^,]+}}(i8*** dereferenceable({{.}}) [[ARGC1:%.+]])
+// CK4: [[ARGCADDR1:%.+]] = alloca i8***
+// CK4: store i8*** [[ARGC1]], i8**** [[ARGCADDR1]]
+// CK4: [[CONV1:%.+]] = load i8***, i8**** [[ARGCADDR1]]
+// CK4: call {{.*}}void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i8***)* {{.+}} to void (i32*, i32*, ...)*), i8*** [[CONV1]])
+
+
+#endif // CK4
+
+// Test target codegen - host bc file has to be created first.
+// RUN: %clang_cc1 -DCK5 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
+// RUN: %clang_cc1 -DCK5 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CK5 --check-prefix CK5-64
+// RUN: %clang_cc1 -DCK5 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o %t %s
+// RUN: %clang_cc1 -DCK5 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK5 --check-prefix CK5-64
+// RUN: %clang_cc1 -DCK5 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm-bc %s -o %t-x86-host.bc
+// RUN: %clang_cc1 -DCK5 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix CK5 --check-prefix CK5-32
+// RUN: %clang_cc1 -DCK5 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o %t %s
+// RUN: %clang_cc1 -DCK5 -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CK5 --check-prefix CK5-32
+
+// expected-no-diagnostics
+#ifdef CK5
+
+// CK5-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
+// CK5-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
+// CK5-DAG: [[DEF_LOC_0:@.+]] = private unnamed_addr constant %ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
+// CK5-DEBUG-DAG: [[LOC1:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}teams_codegen.cpp;main;[[@LINE+14]];9;;\00"
+// CK5-DEBUG-DAG: [[LOC2:@.+]] = private unnamed_addr constant [{{.+}} x i8] c";{{.*}}teams_codegen.cpp;tmain;[[@LINE+7]];9;;\00"
+
+template <typename T>
+int tmain(T argc) {
+ int a = 10;
+ int b = 5;
+#pragma omp target
+#pragma omp teams num_teams(a) thread_limit(b)
+ {
+ argc = 0;
+ }
+ return 0;
+}
+
+int main (int argc, char **argv) {
+ int a = 20;
+ int b = 5;
+#pragma omp target
+#pragma omp teams num_teams(a) thread_limit(b)
+ {
+ argc = 0;
+ }
+ return tmain(argv);
+}
+
+// CK5: define {{.*}}void @{{[^,]+}}(i{{.+}} [[AP:%.+]], i{{.+}} [[BP:%.+]], i{{.+}} [[ARGC:.+]])
+// CK5: [[AADDR:%.+]] = alloca i{{.+}}
+// CK5: [[BADDR:%.+]] = alloca i{{.+}}
+// CK5: [[ARGCADDR:%.+]] = alloca i{{.+}}
+// CK5: [[GBL_TH_NUM:%.+]] = call i32 @__kmpc_global_thread_num(%ident_t* [[DEF_LOC_0]])
+// CK5: store i{{.+}} [[AP]], i{{.+}}* [[AADDR]]
+// CK5: store i{{.+}} [[BP]], i{{.+}}* [[BADDR]]
+// CK5: store i{{.+}} [[ARGC]], i{{.+}}* [[ARGCADDR]]
+// CK5-64: [[ACONV:%.+]] = bitcast i64* [[AADDR]] to i32*
+// CK5-64: [[BCONV:%.+]] = bitcast i64* [[BADDR]] to i32*
+// CK5-64: [[CONV:%.+]] = bitcast i64* [[ARGCADDR]] to i32*
+// CK5-64: [[ACONVVAL:%.+]] = load i32, i32* [[ACONV]]
+// CK5-64: [[BCONVVAL:%.+]] = load i32, i32* [[BCONV]]
+// CK5-32: [[ACONVVAL:%.+]] = load i32, i32* [[AADDR]]
+// CK5-32: [[BCONVVAL:%.+]] = load i32, i32* [[BADDR]]
+// CK5: {{.+}} = call i32 @__kmpc_push_num_teams(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TH_NUM]], i32 [[ACONVVAL]], i32 [[BCONVVAL]])
+// CK5-64: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*), i32* [[CONV]])
+// CK5-32: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*), i32* [[ARGCADDR]])
+
+// CK5: define {{.*}}void @{{[^,]+}}(i{{.+}} dereferenceable({{.+}}) [[AP:%.+]], i{{.+}} dereferenceable({{.+}}) [[BP:%.+]], i{{.+}} dereferenceable({{.+}}) [[ARGC:%.+]])
+// CK5: [[AADDR:%.+]] = alloca i{{.+}}
+// CK5: [[BADDR:%.+]] = alloca i{{.+}}
+// CK5: [[ARGCADDR:%.+]] = alloca i{{.+}}
+// CK5: [[GBL_TH_NUM:%.+]] = call i32 @__kmpc_global_thread_num(%ident_t* [[DEF_LOC_0]])
+// CK5: store i{{.+}} [[AP]], i{{.+}}* [[AADDR]]
+// CK5: store i{{.+}} [[BP]], i{{.+}}* [[BADDR]]
+// CK5: store i{{.+}} [[ARGC]], i{{.+}}* [[ARGCADDR]]
+// CK5: [[A_ADDR_VAL:%.+]] = load i32*, i32** [[AADDR]]
+// CK5: [[B_ADDR_VAL:%.+]] = load i32*, i32** [[BADDR]]
+// CK5: [[ARGC_ADDR_VAL:%.+]] = load i{{.+}}, i{{.+}}* [[ARGCADDR]]
+// CK5: [[A_VAL:%.+]] = load i32, i32* [[A_ADDR_VAL]]
+// CK5: [[B_VAL:%.+]] = load i32, i32* [[B_ADDR_VAL]]
+// CK5: {{.+}} = call i32 @__kmpc_push_num_teams(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TH_NUM]], i32 [[A_VAL]], i32 [[B_VAL]])
+// CK5: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_teams(%ident_t* [[DEF_LOC_0]], i32 1, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i{{.+}})* @.omp_outlined.{{.+}} to void (i32*, i32*, ...)*), i{{.+}} [[ARGC_ADDR_VAL]])
+// CK5: ret void
+// CK5-NEXT: }
+
+#endif // CK5
#endif
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