28 lines
705 B
LLVM
28 lines
705 B
LLVM
|
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 | FileCheck %s
|
||
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
|
||
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define i64 @foo(i64 %x) #0 {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: @foo
|
||
|
|
%a = lshr i64 %x, 35
|
||
|
|
%b = and i64 %a, 65535
|
||
|
|
; CHECK: rldicl 3, 3, 29, 48
|
||
|
|
ret i64 %b
|
||
|
|
; CHECK: blr
|
||
|
|
}
|
||
|
|
|
||
|
|
; for AND with an immediate like (x & ~0xFFFF)
|
||
|
|
; we should use rldicl instruction
|
||
|
|
define i64 @bar(i64 %x) #0 {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: @bar
|
||
|
|
%a = and i64 %x, 18446744073709486080
|
||
|
|
; CHECK: rldicr 3, 3, 0, 47
|
||
|
|
ret i64 %a
|
||
|
|
; CHECK: blr
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { nounwind }
|
||
|
|
|