File: inlineasm-wreg.ll

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 (18 lines) | stat: -rw-r--r-- 646 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc < %s -march=bpfel -mattr=+alu32 -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -march=bpfeb -mattr=+alu32 -verify-machineinstrs | FileCheck %s

; Test that %w works as input constraint
; CHECK-LABEL: test_inlineasm_w_input_constraint
define dso_local i32 @test_inlineasm_w_input_constraint() {
  tail call void asm sideeffect "w0 = $0", "w"(i32 42)
; CHECK: w0 = w1
  ret i32 42
}

; Test that %w works as output constraint
; CHECK-LABEL: test_inlineasm_w_output_constraint
define dso_local i32 @test_inlineasm_w_output_constraint() {
  %1 = tail call i32 asm sideeffect "$0 = $1", "=w,i"(i32 42)
; CHECK: w0 = 42
  ret i32 %1
}