2009-11-22 16:18:27 +01:00
|
|
|
; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
|
2012-07-02 19:22:47 +02:00
|
|
|
; RUN: llc < %s -march=thumb | FileCheck %s -check-prefix=THUMB1
|
2009-06-27 00:37:07 +02:00
|
|
|
|
2011-04-29 16:02:41 +02:00
|
|
|
; CHECK: f1:
|
|
|
|
; CHECK: ror.w r0, r0, #22
|
2009-06-27 00:37:07 +02:00
|
|
|
define i32 @f1(i32 %a) {
|
|
|
|
%l8 = shl i32 %a, 10
|
|
|
|
%r8 = lshr i32 %a, 22
|
|
|
|
%tmp = or i32 %l8, %r8
|
|
|
|
ret i32 %tmp
|
|
|
|
}
|
2011-04-29 16:02:41 +02:00
|
|
|
|
|
|
|
; CHECK: f2:
|
2011-04-29 16:18:15 +02:00
|
|
|
; CHECK-NOT: and
|
2011-04-29 16:02:41 +02:00
|
|
|
; CHECK: ror
|
2012-07-02 19:22:47 +02:00
|
|
|
; THUMB1: f2
|
|
|
|
; THUMB1: and
|
2011-04-29 16:02:41 +02:00
|
|
|
define i32 @f2(i32 %v, i32 %nbits) {
|
|
|
|
entry:
|
2011-04-29 16:18:15 +02:00
|
|
|
%and = and i32 %nbits, 31
|
|
|
|
%shr = lshr i32 %v, %and
|
|
|
|
%sub = sub i32 32, %and
|
2011-04-29 16:02:41 +02:00
|
|
|
%shl = shl i32 %v, %sub
|
|
|
|
%or = or i32 %shl, %shr
|
|
|
|
ret i32 %or
|
2012-07-02 19:22:47 +02:00
|
|
|
}
|