llvm/mlir/test/Target/Cpp/variable.mlir

// RUN: mlir-translate -mlir-to-cpp %s | FileCheck %s -check-prefix=CPP-DEFAULT
// RUN: mlir-translate -mlir-to-cpp -declare-variables-at-top %s | FileCheck %s -check-prefix=CPP-DECLTOP

func.func @emitc_variable() {
  %c0 = "emitc.variable"(){value = #emitc.opaque<"">} : () -> !emitc.lvalue<i32>
  %c1 = "emitc.variable"(){value = 42 : i32} : () -> !emitc.lvalue<i32>
  %c2 = "emitc.variable"(){value = -1 : i32} : () -> !emitc.lvalue<i32>
  %c3 = "emitc.variable"(){value = -1 : si8} : () -> !emitc.lvalue<si8>
  %c4 = "emitc.variable"(){value = 255 : ui8} : () -> !emitc.lvalue<ui8>
  %c5 = "emitc.variable"(){value = #emitc.opaque<"">} : () -> !emitc.lvalue<!emitc.ptr<i32>>
  %c6 = "emitc.variable"(){value = #emitc.opaque<"NULL">} : () -> !emitc.lvalue<!emitc.ptr<i32>>
  %c7 = "emitc.variable"(){value = #emitc.opaque<"">} : () -> !emitc.array<3x7xi32>
  %c8 = "emitc.variable"(){value = #emitc.opaque<"">} : () -> !emitc.array<5x!emitc.ptr<i8>>
  return
}
// CPP-DEFAULT: void emitc_variable() {
// CPP-DEFAULT-NEXT: int32_t [[V0:[^ ]*]];
// CPP-DEFAULT-NEXT: int32_t [[V1:[^ ]*]] = 42;
// CPP-DEFAULT-NEXT: int32_t [[V2:[^ ]*]] = -1;
// CPP-DEFAULT-NEXT: int8_t [[V3:[^ ]*]] = -1;
// CPP-DEFAULT-NEXT: uint8_t [[V4:[^ ]*]] = 255;
// CPP-DEFAULT-NEXT: int32_t* [[V5:[^ ]*]];
// CPP-DEFAULT-NEXT: int32_t* [[V6:[^ ]*]] = NULL;
// CPP-DEFAULT-NEXT: int32_t [[V7:[^ ]*]][3][7];
// CPP-DEFAULT-NEXT: int8_t* [[V8:[^ ]*]][5];

// CPP-DECLTOP: void emitc_variable() {
// CPP-DECLTOP-NEXT: int32_t [[V0:[^ ]*]];
// CPP-DECLTOP-NEXT: int32_t [[V1:[^ ]*]];
// CPP-DECLTOP-NEXT: int32_t [[V2:[^ ]*]];
// CPP-DECLTOP-NEXT: int8_t [[V3:[^ ]*]];
// CPP-DECLTOP-NEXT: uint8_t [[V4:[^ ]*]];
// CPP-DECLTOP-NEXT: int32_t* [[V5:[^ ]*]];
// CPP-DECLTOP-NEXT: int32_t* [[V6:[^ ]*]];
// CPP-DECLTOP-NEXT: int32_t [[V7:[^ ]*]][3][7];
// CPP-DECLTOP-NEXT: int8_t* [[V8:[^ ]*]][5];
// CPP-DECLTOP-NEXT: ;
// CPP-DECLTOP-NEXT: [[V1]] = 42;
// CPP-DECLTOP-NEXT: [[V2]] = -1;
// CPP-DECLTOP-NEXT: [[V3]] = -1;
// CPP-DECLTOP-NEXT: [[V4]] = 255;
// CPP-DECLTOP-NEXT: ;
// CPP-DECLTOP-NEXT: [[V6]] = NULL;
// CPP-DECLTOP-NEXT: ;
// CPP-DECLTOP-NEXT: ;