File: convert-alloca-scope.mlir

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (51 lines) | stat: -rw-r--r-- 1,328 bytes parent folder | download | duplicates (11)
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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
// RUN: mlir-opt -finalize-memref-to-llvm  %s | FileCheck %s

// CHECK-LABEL: @empty
func.func @empty() {
  // CHECK: llvm.intr.stacksave
  // CHECK: llvm.br
  memref.alloca_scope {
    memref.alloca_scope.return
  }
  // CHECK: llvm.intr.stackrestore
  // CHECK: llvm.br
  return
}

// CHECK-LABEL: @returns_nothing
func.func @returns_nothing(%b: f32) {
  %a = arith.constant 10.0 : f32
  // CHECK: llvm.intr.stacksave
  memref.alloca_scope {
    %c = arith.addf %a, %b : f32
    memref.alloca_scope.return
  }
  // CHECK: llvm.intr.stackrestore
  return
}

// CHECK-LABEL: @returns_one_value
func.func @returns_one_value(%b: f32) -> f32 {
  %a = arith.constant 10.0 : f32
  // CHECK: llvm.intr.stacksave
  %result = memref.alloca_scope -> f32 {
    %c = arith.addf %a, %b : f32
    memref.alloca_scope.return %c: f32
  }
  // CHECK: llvm.intr.stackrestore
  return %result : f32
}

// CHECK-LABEL: @returns_multiple_values
func.func @returns_multiple_values(%b: f32) -> f32 {
  %a = arith.constant 10.0 : f32
  // CHECK: llvm.intr.stacksave
  %result1, %result2 = memref.alloca_scope -> (f32, f32) {
    %c = arith.addf %a, %b : f32
    %d = arith.subf %a, %b : f32
    memref.alloca_scope.return %c, %d: f32, f32
  }
  // CHECK: llvm.intr.stackrestore
  %result = arith.addf %result1, %result2 : f32
  return %result : f32
}