File: subreg-to-reg-1.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (16 lines) | stat: -rw-r--r-- 483 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s

; CHECK:     {{leal	.*[)], %e.*}}
; CHECK-NOT: {{leal	.*[)], %e.*}}

; Don't eliminate or coalesce away the explicit zero-extension!
; This is currently using an leal because of a 3-addressification detail,
; though this isn't necessary; The point of this test is to make sure
; a 32-bit add is used.

define i64 @foo(i64 %a) nounwind {
  %b = add i64 %a, 4294967295
  %c = and i64 %b, 4294967295
  %d = add i64 %c, 1
  ret i64 %d
}