llvm/flang/test/Fir/convert-fold.fir
Mogball a54f4eae0e [MLIR] Replace std ops with arith dialect ops
Precursor: https://reviews.llvm.org/D110200

Removed redundant ops from the standard dialect that were moved to the
`arith` or `math` dialects.

Renamed all instances of operations in the codebase and in tests.

Reviewed By: rriddle, jpienaar

Differential Revision: https://reviews.llvm.org/D110797
2021-10-13 03:07:03 +00:00

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// RUN: fir-opt --canonicalize %s | FileCheck %s
// CHECK-LABEL: @ftest
func @ftest(%x : i1) -> i1 {
// this pair of converts should be folded and DCEd
%1 = fir.convert %x : (i1) -> !fir.logical<1>
%2 = fir.convert %1 : (!fir.logical<1>) -> i1
// CHECK-NEXT: return %{{.*}} : i1
return %2 : i1
}
// CHECK-LABEL: @gtest
func @gtest(%x : !fir.logical<2>) -> !fir.logical<2> {
// this pair of converts should be folded and DCEd
%1 = fir.convert %x : (!fir.logical<2>) -> i1
%2 = fir.convert %1 : (i1) -> !fir.logical<2>
// CHECK-NEXT: return %{{.*}} : !fir.logical<2>
return %2 : !fir.logical<2>
}
// CHECK-LABEL: @htest
func @htest(%x : !fir.int<4>) -> !fir.int<4> {
// these converts are NOPs and should be folded away
%1 = fir.convert %x : (!fir.int<4>) -> !fir.int<4>
%2 = fir.convert %1 : (!fir.int<4>) -> !fir.int<4>
// CHECK-NEXT: return %{{.*}} : !fir.int<4>
return %2 : !fir.int<4>
}
// CHECK-LABEL: @ctest
func @ctest() -> index {
%1 = arith.constant 10 : i32
%2 = fir.convert %1 : (i32) -> index
// CHECK-NEXT: %{{.*}} = arith.constant 10 : index
// CHECK-NEXT: return %{{.*}} : index
return %2 : index
}