diff --git a/flang/test/Fir/optional.fir b/flang/test/Fir/optional.fir new file mode 100644 --- /dev/null +++ b/flang/test/Fir/optional.fir @@ -0,0 +1,52 @@ +// RUN: tco %s | FileCheck %s + +// Test fir.is_present and fir.absent codegen + +// CHECK-LABEL: @foo1 +func @foo1(%arg0: !fir.box>) -> i1 { + // CHECK: %[[ptr:.*]] = ptrtoint { float*, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }* %{{.*}} to i64 + // CHECK: icmp ne i64 %[[ptr]], 0 + %0 = fir.is_present %arg0 : (!fir.box>) -> i1 + return %0 : i1 +} + +// CHECK-LABEL: @bar1 +func @bar1() -> i1 { + %0 = fir.absent !fir.box> + // CHECK: call i1 @foo1({ float*, i64, i32, i8, i8, i8, i8, [1 x [3 x i64]] }* null) + %1 = fir.call @foo1(%0) : (!fir.box>) -> i1 + return %1 : i1 +} + +// CHECK-LABEL: @foo2 +func @foo2(%arg0: !fir.ref) -> i1 { + // CHECK: %[[ptr:.*]] = ptrtoint i64* %{{.*}} to i64 + // CHECK: icmp ne i64 %[[ptr]], 0 + %0 = fir.is_present %arg0 : (!fir.ref) -> i1 + return %0 : i1 +} + +// CHECK-LABEL: @bar2 +func @bar2() -> i1 { + %0 = fir.absent !fir.ref + // CHECK: call i1 @foo2(i64* null) + %1 = fir.call @foo2(%0) : (!fir.ref) -> i1 + return %1 : i1 +} + +// CHECK-LABEL: @foo3 +func @foo3(%arg0: !fir.boxchar<1>) -> i1 { + // CHECK: %[[extract:.*]] = extractvalue { i8*, i64 } %{{.*}}, 0 + // CHECK: %[[ptr:.*]] = ptrtoint i8* %[[extract]] to i64 + // CHECK: icmp ne i64 %[[ptr]], 0 + %0 = fir.is_present %arg0 : (!fir.boxchar<1>) -> i1 + return %0 : i1 +} + +// CHECK-LABEL: @bar3 +func @bar3() -> i1 { + %0 = fir.absent !fir.boxchar<1> + // CHECK: call i1 @foo3(i8* null, i64 undef) + %1 = fir.call @foo3(%0) : (!fir.boxchar<1>) -> i1 + return %1 : i1 +}