File: RegisterInfoEmitter-regcost-list.td

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: 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 (34 lines) | stat: -rw-r--r-- 1,139 bytes parent folder | download | duplicates (22)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// RUN: llvm-tblgen -gen-register-info -I %p/../../include -I %p/Common %s | FileCheck %s

// Checks two CostPerUse values for the registers.
include "llvm/Target/Target.td"

let Namespace = "MyTarget" in {
  foreach Index = 0-3 in {
    // Adding two cost values per register.
    let CostPerUse = [1, Index] in {
      def S#Index : Register <"s"#Index>;
    }
  }

  // CostPerUse by default to 0.
  def D0 : Register<"d0">;
  def D1 : Register<"d1">;

} // Namespace = "MyTarget"

def SRegs : RegisterClass<"MyTarget", [i32], 32, (sequence "S%u", 0, 3)>;
def DRegs : RegisterClass<"MyTarget", [i32], 32, (sequence "D%u", 0, 1)>;

def MyTarget : Target;

// CHECK:  static const uint8_t CostPerUseTable[] = {
// CHECK-NEXT:  0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 3, };

// CHECK:  static const bool InAllocatableClassTable[] = {
// CHECK-NEXT:  false, true, true, true, true, true, true, };

// CHECK:  static const TargetRegisterInfoDesc MyTargetRegInfoDesc = { // Extra Descriptors
// CHECK-NEXT:  CostPerUseTable, 2, InAllocatableClassTable};

// CHECK:  TargetRegisterInfo(&MyTargetRegInfoDesc, RegisterClasses, RegisterClasses+2,