File: wide-integer-fold.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.4-5
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,516 kB
  • sloc: cpp: 7,619,569; ansic: 1,433,956; asm: 1,058,748; python: 252,181; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,585; awk: 3,523; javascript: 2,272; xml: 892; fortran: 770
file content (12 lines) | stat: -rw-r--r-- 369 bytes parent folder | download | duplicates (38) 
1
2
3
4
5
6
7
8
9
10
11
12
 
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
; CHECK:  movq  $-65535, %rax

; DAGCombiner should fold this to a simple constant.

define i64 @foo(i192 %a) nounwind {
  %t = or i192 %a, -22300404916163702203072254898040925442801665
  %s = and i192 %t, -22300404916163702203072254898040929737768960
  %u = lshr i192 %s, 128
  %v = trunc i192 %u to i64
  ret i64 %v
}