File: shift-and.ll

package info (click to toggle)
llvm-2.9 2.9%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 69,236 kB
  • sloc: cpp: 439,289; ansic: 16,211; asm: 13,295; sh: 12,912; python: 4,459; ml: 4,274; perl: 2,093; makefile: 1,808; pascal: 1,481; exp: 427; objc: 334; xml: 283; ada: 235; lisp: 187; csh: 117; f90: 36
file content (24 lines) | stat: -rw-r--r-- 573 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: llc < %s -march=x86    | grep and | count 1
; RUN: llc < %s -march=x86-64 | not grep and 

define i32 @t1(i32 %t, i32 %val) nounwind {
       %shamt = and i32 %t, 31
       %res = shl i32 %val, %shamt
       ret i32 %res
}

@X = internal global i16 0

define void @t2(i16 %t) nounwind {
       %shamt = and i16 %t, 31
       %tmp = load i16* @X
       %tmp1 = ashr i16 %tmp, %shamt
       store i16 %tmp1, i16* @X
       ret void
}

define i64 @t3(i64 %t, i64 %val) nounwind {
       %shamt = and i64 %t, 63
       %res = lshr i64 %val, %shamt
       ret i64 %res
}