File: nvptx_NRVO_variable.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (28 lines) | stat: -rw-r--r-- 976 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
// Test target codegen - host bc file has to be created first.
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER

struct S {
  int a;
  S() : a(1) {}
};

#pragma omp declare target
void bar(S &);
// CHECK-LABEL: foo
S foo() {
  // CHECK: [[RETVAL:%.+]] = alloca %struct.S,
  S s;
  // CHECK: call void @{{.+}}bar{{.+}}(ptr {{.*}}[[S_REF:%.+]])
  bar(s);
  // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr {{.*}}[[RETVAL]], ptr {{.*}}[[S_REF]], i64 4, i1 false)
  // CHECK: [[VAL:%.+]] = load %struct.S, ptr [[RETVAL]],
  // CHECK: ret %struct.S [[VAL]]
  return s;
}
#pragma omp end declare target

#endif