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llvm-project/clang/test/OpenMP/declare_reduction_codegen.c

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[OPENMP 4.0] Use 'declare reduction' constructs in 'reduction' clauses. OpenMP 4.0 allows to define custom reduction operations using '#pragma omp declare reduction' construct. Patch allows to use this custom defined reduction operations in 'reduction' clauses. llvm-svn: 263701
2016-03-17 18:19:46 +08:00
// RUN: %clang_cc1 -verify -fopenmp -x c -emit-llvm %s -triple %itanium_abi_triple -o - -femit-all-decls -disable-llvm-optzns | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c -triple %itanium_abi_triple -emit-pch -o %t %s -femit-all-decls -disable-llvm-optzns
// RUN: %clang_cc1 -fopenmp -x c -triple %itanium_abi_triple -include-pch %t -verify %s -emit-llvm -o - -femit-all-decls -disable-llvm-optzns | FileCheck --check-prefix=CHECK-LOAD %s
[OPENMP 4.0] Codegen for 'declare reduction' construct. Emit function for 'combiner' part of 'declare reduction' construct and 'initialilzer' part, if any. llvm-svn: 262699
2016-03-04 17:22:22 +08:00
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
// CHECK: [[SSS_INT:.+]] = type { i32 }
// CHECK-LOAD: [[SSS_INT:.+]] = type { i32 }
#pragma omp declare reduction(+ : int, char : omp_out *= omp_in)
// CHECK: define internal {{.*}}void @{{[^(]+}}(i32* noalias, i32* noalias)
// CHECK: [[MUL:%.+]] = mul nsw i32
// CHECK-NEXT: store i32 [[MUL]], i32*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(i32* noalias, i32* noalias)
// CHECK-LOAD: [[MUL:%.+]] = mul nsw i32
// CHECK-LOAD-NEXT: store i32 [[MUL]], i32*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}(i8* noalias, i8* noalias)
// CHECK: sext i8
// CHECK: sext i8
// CHECK: [[MUL:%.+]] = mul nsw i32
// CHECK-NEXT: [[TRUNC:%.+]] = trunc i32 [[MUL]] to i8
// CHECK-NEXT: store i8 [[TRUNC]], i8*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(i8* noalias, i8* noalias)
// CHECK-LOAD: sext i8
// CHECK-LOAD: sext i8
// CHECK-LOAD: [[MUL:%.+]] = mul nsw i32
// CHECK-LOAD-NEXT: [[TRUNC:%.+]] = trunc i32 [[MUL]] to i8
// CHECK-LOAD-NEXT: store i8 [[TRUNC]], i8*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
#pragma omp declare reduction(fun : float : omp_out += omp_in) initializer(omp_priv = 15 + omp_orig)
// CHECK: define internal {{.*}}void @{{[^(]+}}(float* noalias, float* noalias)
// CHECK: [[ADD:%.+]] = fadd float
// CHECK-NEXT: store float [[ADD]], float*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}(float* noalias, float* noalias)
// CHECK: [[ADD:%.+]] = fadd float 1.5
// CHECK-NEXT: store float [[ADD]], float*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(float* noalias, float* noalias)
// CHECK-LOAD: [[ADD:%.+]] = fadd float
// CHECK-LOAD-NEXT: store float [[ADD]], float*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(float* noalias, float* noalias)
// CHECK-LOAD: [[ADD:%.+]] = fadd float 1.5
// CHECK-LOAD-NEXT: store float [[ADD]], float*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
struct SSS {
int field;
#pragma omp declare reduction(+ : int, char : omp_out *= omp_in)
// CHECK: define internal {{.*}}void @{{[^(]+}}(i32* noalias, i32* noalias)
// CHECK: [[MUL:%.+]] = mul nsw i32
// CHECK-NEXT: store i32 [[MUL]], i32*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}(i8* noalias, i8* noalias)
// CHECK: sext i8
// CHECK: sext i8
// CHECK: [[MUL:%.+]] = mul nsw i32
// CHECK-NEXT: [[TRUNC:%.+]] = trunc i32 [[MUL]] to i8
// CHECK-NEXT: store i8 [[TRUNC]], i8*
// CHECK-NEXT: ret void
// CHECK-NEXT: }
};
void init(struct SSS *priv, struct SSS orig);
#pragma omp declare reduction(fun : struct SSS : omp_out = omp_in) initializer(init(&omp_priv, omp_orig))
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @llvm.memcpy
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @init(
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @llvm.memcpy
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @init(
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LABEL: @main
// CHECK-LOAD-LABEL: @main
int main() {
#pragma omp declare reduction(fun : struct SSS : omp_out = omp_in) initializer(init(&omp_priv, omp_orig))
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @llvm.memcpy
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @init(
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @llvm.memcpy
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @init(
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
{
#pragma omp declare reduction(fun : struct SSS : omp_out = omp_in) initializer(init(&omp_priv, omp_orig))
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @llvm.memcpy
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK: call void @init(
// CHECK-NEXT: ret void
// CHECK-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @llvm.memcpy
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}([[SSS_INT]]* noalias, [[SSS_INT]]* noalias)
// CHECK-LOAD: call void @init(
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
}
return 0;
}
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(i32* noalias, i32* noalias)
// CHECK-LOAD: [[MUL:%.+]] = mul nsw i32
// CHECK-LOAD-NEXT: store i32 [[MUL]], i32*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
// CHECK-LOAD: define internal {{.*}}void @{{[^(]+}}(i8* noalias, i8* noalias)
// CHECK-LOAD: sext i8
// CHECK-LOAD: sext i8
// CHECK-LOAD: [[MUL:%.+]] = mul nsw i32
// CHECK-LOAD-NEXT: [[TRUNC:%.+]] = trunc i32 [[MUL]] to i8
// CHECK-LOAD-NEXT: store i8 [[TRUNC]], i8*
// CHECK-LOAD-NEXT: ret void
// CHECK-LOAD-NEXT: }
#endif