File: emulate-wide-int-canonicalization.mlir

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (14 lines) | stat: -rw-r--r-- 588 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// RUN: mlir-opt --arith-emulate-wide-int="widest-int-supported=32" --canonicalize %s | FileCheck %s

// Check that we can fold away the 'hi' part calculation when it is know to be zero.
//
// CHECK-LABEL: func @uitofp_i16_ext_f64
// CHECK-SAME:    ([[ARG:%.+]]: i16) -> f64
// CHECK-NEXT:    [[EXT:%.+]] = arith.extui [[ARG]] : i16 to i32
// CHECK-NEXT:    [[FP:%.+]]  = arith.uitofp [[EXT]] : i32 to f64
// CHECK-NEXT:    return [[FP]] : f64
func.func @uitofp_i16_ext_f64(%a : i16) -> f64 {
  %ext = arith.extui %a : i16 to i64
  %r = arith.uitofp %ext : i64 to f64
  return %r : f64
}