simple.mlir
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// RUN: mlir-cpu-runner %s | FileCheck %s
// RUN: mlir-cpu-runner %s -e foo | FileCheck -check-prefix=NOMAIN %s
// RUN: mlir-cpu-runner %s --entry-point-result=i32 -e int32_main | FileCheck -check-prefix=INT32MAIN %s
// RUN: mlir-cpu-runner %s --entry-point-result=i64 -e int64_main | FileCheck -check-prefix=INT64MAIN %s
// RUN: mlir-cpu-runner %s -O3 | FileCheck %s
// RUN: cp %s %t
// RUN: mlir-cpu-runner %t -dump-object-file | FileCheck %t
// RUN: ls %t.o
// RUN: rm %t.o
// RUN: mlir-cpu-runner %s -dump-object-file -object-filename=%T/test.o | FileCheck %s
// RUN: ls %T/test.o
// RUN: rm %T/test.o
// Declarations of C library functions.
llvm.func @fabsf(!llvm.float) -> !llvm.float
llvm.func @malloc(!llvm.i64) -> !llvm.ptr<i8>
llvm.func @free(!llvm.ptr<i8>)
// Check that a simple function with a nested call works.
llvm.func @main() -> !llvm.float {
%0 = llvm.mlir.constant(-4.200000e+02 : f32) : !llvm.float
%1 = llvm.call @fabsf(%0) : (!llvm.float) -> !llvm.float
llvm.return %1 : !llvm.float
}
// CHECK: 4.200000e+02
// Helper typed functions wrapping calls to "malloc" and "free".
llvm.func @allocation() -> !llvm.ptr<float> {
%0 = llvm.mlir.constant(4 : index) : !llvm.i64
%1 = llvm.call @malloc(%0) : (!llvm.i64) -> !llvm.ptr<i8>
%2 = llvm.bitcast %1 : !llvm.ptr<i8> to !llvm.ptr<float>
llvm.return %2 : !llvm.ptr<float>
}
llvm.func @deallocation(%arg0: !llvm.ptr<float>) {
%0 = llvm.bitcast %arg0 : !llvm.ptr<float> to !llvm.ptr<i8>
llvm.call @free(%0) : (!llvm.ptr<i8>) -> ()
llvm.return
}
// Check that allocation and deallocation works, and that a custom entry point
// works.
llvm.func @foo() -> !llvm.float {
%0 = llvm.call @allocation() : () -> !llvm.ptr<float>
%1 = llvm.mlir.constant(0 : index) : !llvm.i64
%2 = llvm.mlir.constant(1.234000e+03 : f32) : !llvm.float
%3 = llvm.getelementptr %0[%1] : (!llvm.ptr<float>, !llvm.i64) -> !llvm.ptr<float>
llvm.store %2, %3 : !llvm.ptr<float>
%4 = llvm.getelementptr %0[%1] : (!llvm.ptr<float>, !llvm.i64) -> !llvm.ptr<float>
%5 = llvm.load %4 : !llvm.ptr<float>
llvm.call @deallocation(%0) : (!llvm.ptr<float>) -> ()
llvm.return %5 : !llvm.float
}
// NOMAIN: 1.234000e+03
// Check that i32 return type works
llvm.func @int32_main() -> !llvm.i32 {
%0 = llvm.mlir.constant(42 : i32) : !llvm.i32
llvm.return %0 : !llvm.i32
}
// INT32MAIN: 42
// Check that i64 return type works
llvm.func @int64_main() -> !llvm.i64 {
%0 = llvm.mlir.constant(42 : i64) : !llvm.i64
llvm.return %0 : !llvm.i64
}
// INT64MAIN: 42