File: shift_minsize.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (38 lines) | stat: -rw-r--r-- 920 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
; RUN: llc -mtriple=arm-eabi        %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7-windows %s -o - | FileCheck %s -check-prefix=CHECK-WIN

; The Windows runtime doesn't have these.
; CHECK-WIN-NOT: __ashldi3
; CHECK-WIN-NOT: __ashrdi3
; CHECK-WIN-NOT: __lshrdi3

define i64 @f0(i64 %val, i64 %amt) minsize optsize {
; CHECK-LABEL:   f0:
; CHECK:         bl  __aeabi_llsl
  %res = shl i64 %val, %amt
  ret i64 %res
}

define i32 @f1(i64 %x, i64 %y) minsize optsize {
; CHECK-LABEL:   f1:
; CHECK:         bl  __aeabi_llsl
	%a = shl i64 %x, %y
	%b = trunc i64 %a to i32
	ret i32 %b
}

define i32 @f2(i64 %x, i64 %y) minsize optsize {
; CHECK-LABEL:   f2:
; CHECK:         bl  __aeabi_lasr
	%a = ashr i64 %x, %y
	%b = trunc i64 %a to i32
	ret i32 %b
}

define i32 @f3(i64 %x, i64 %y) minsize optsize {
; CHECK-LABEL:   f3:
; CHECK:         bl  __aeabi_llsr
	%a = lshr i64 %x, %y
	%b = trunc i64 %a to i32
	ret i32 %b
}