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

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; 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 (14 lines) | stat: -rw-r--r-- 400 bytes parent folder | download | duplicates (15) 
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 {{%.*}})
}