File: isel-postprocessing-test-fold-memop.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (14 lines) | stat: -rw-r--r-- 400 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: llc -O2 -mtriple=x86_64-- -stop-after=finalize-isel < %s | FileCheck %s

define i1 @fold_test(ptr %x, i64 %l) {
entry:
  %0 = load i64, ptr %x, align 8
  %and = and i64 %0, %l
  %tobool = icmp ne i64 %and, 0
  ret i1 %tobool

  ; Folding the load+and+icmp instructions into a TEST64mr instruction
  ; should preserve memory operands.
  ; CHECK: TEST64mr {{.*}} :: (load (s64) from {{%.*}})
}