You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
637 B
30 lines
637 B
; RUN: llc -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
|
|
|
|
; Check that the eon instruction is generated instead of eor,movn
|
|
define i64 @test1(i64 %a, i64 %b, i64 %c) {
|
|
; CHECK-LABEL: test1:
|
|
; CHECK: eon
|
|
; CHECK: ret
|
|
entry:
|
|
%shl = shl i64 %b, 4
|
|
%neg = xor i64 %a, -1
|
|
%xor = xor i64 %shl, %neg
|
|
ret i64 %xor
|
|
}
|
|
|
|
; Same check with mutliple uses of %neg
|
|
define i64 @test2(i64 %a, i64 %b, i64 %c) {
|
|
; CHECK-LABEL: test2:
|
|
; CHECK: eon
|
|
; CHECK: eon
|
|
; CHECK: lsl
|
|
; CHECK: ret
|
|
entry:
|
|
%shl = shl i64 %b, 4
|
|
%neg = xor i64 %shl, -1
|
|
%xor = xor i64 %neg, %a
|
|
%xor1 = xor i64 %c, %neg
|
|
%shl2 = shl i64 %xor, %xor1
|
|
ret i64 %shl2
|
|
}
|