1 // RUN: mlir-opt --arith-emulate-wide-int="widest-int-supported=32" --canonicalize %s | FileCheck %s
3 // Check that we can fold away the 'hi' part calculation when it is know to be zero.
5 // CHECK-LABEL: func @uitofp_i16_ext_f64
6 // CHECK-SAME: ([[ARG:%.+]]: i16) -> f64
7 // CHECK-NEXT: [[EXT:%.+]] = arith.extui [[ARG]] : i16 to i32
8 // CHECK-NEXT: [[FP:%.+]] = arith.uitofp [[EXT]] : i32 to f64
9 // CHECK-NEXT: return [[FP]] : f64
10 func.func @uitofp_i16_ext_f64(%a : i16) -> f64 {
11 %ext = arith.extui %a : i16 to i64
12 %r = arith.uitofp %ext : i64 to f64