20 lines
506 B
LLVM
20 lines
506 B
LLVM
|
; RUN: llc -mtriple arm64-ios- -aarch64-enable-sink-fold=true %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
; Check the -8 constant is shrunk if there are multiple users of the AND instruction.
|
||
|
|
|
||
|
|
; CHECK-LABEL: _test:
|
||
|
|
; CHECK: and x19, x0, #0xfffffff8
|
||
|
|
; CHECK-NEXT: mov x0, x19
|
||
|
|
; CHECK-NEXT: bl _user
|
||
|
|
; CHECK: add x0, x19, #10
|
||
|
|
|
||
|
|
define i64 @test(i32 %a) {
|
||
|
|
%ext = zext i32 %a to i64
|
||
|
|
%v1 = and i64 %ext, -8
|
||
|
|
%v2 = add i64 %v1, 10
|
||
|
|
call void @user(i64 %v1)
|
||
|
|
ret i64 %v2
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @user(i64)
|