mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-09 20:46:07 +00:00
[AArch64] Add test for constant shrinking with multiple users (NFC).
Test to avoid regression fixed by rL350684. llvm-svn: 350762
This commit is contained in:
parent
a5daaaae35
commit
7b8be91bc1
18
test/CodeGen/AArch64/shrink-constant-multiple-users.ll
Normal file
18
test/CodeGen/AArch64/shrink-constant-multiple-users.ll
Normal file
@ -0,0 +1,18 @@
|
||||
; RUN: llc -mtriple arm64-ios- %s -o - | FileCheck %s
|
||||
|
||||
; Check the -8 constant is shrunk if there are multiple users of the AND instruction.
|
||||
|
||||
; CHECK-LABEL: _test:
|
||||
; CHECK: and x0, x0, #0xfffffff8
|
||||
; CHECK-NEXT: add x19, x0, #10
|
||||
; CHECK-NEXT: bl _user
|
||||
|
||||
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)
|
Loading…
Reference in New Issue
Block a user