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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-none-elf < %s | FileCheck %s --check-prefixes=CHECK,CHECK-SD
; RUN: llc -mtriple=aarch64-none-elf -global-isel < %s | FileCheck %s --check-prefixes=CHECK,CHECK-GI
define i32 @neg_select_neg(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: neg_select_neg:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: csel w0, w0, w1, ne
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: neg_select_neg:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: neg w9, w0
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: csneg w8, w9, w1, ne
; CHECK-GI-NEXT: neg w0, w8
; CHECK-GI-NEXT: ret
%nega = sub i32 0, %a
%negb = sub i32 0, %b
%sel = select i1 %bb, i32 %nega, i32 %negb
%res = sub i32 0, %sel
ret i32 %res
}
define i32 @negneg_select_nega(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: negneg_select_nega:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: csneg w0, w1, w0, eq
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: negneg_select_nega:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: csneg w8, w1, w0, eq
; CHECK-GI-NEXT: neg w8, w8
; CHECK-GI-NEXT: neg w0, w8
; CHECK-GI-NEXT: ret
%nega = sub i32 0, %a
%sel = select i1 %bb, i32 %nega, i32 %b
%nsel = sub i32 0, %sel
%res = sub i32 0, %nsel
ret i32 %res
}
define i32 @neg_select_nega(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: neg_select_nega:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: csneg w0, w0, w1, ne
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: neg_select_nega:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: csneg w8, w1, w0, eq
; CHECK-GI-NEXT: neg w0, w8
; CHECK-GI-NEXT: ret
%nega = sub i32 0, %a
%sel = select i1 %bb, i32 %nega, i32 %b
%res = sub i32 0, %sel
ret i32 %res
}
define i32 @neg_select_negb(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: neg_select_negb:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: csneg w0, w1, w0, eq
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: neg_select_negb:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: csneg w8, w0, w1, ne
; CHECK-GI-NEXT: neg w0, w8
; CHECK-GI-NEXT: ret
%negb = sub i32 0, %b
%sel = select i1 %bb, i32 %a, i32 %negb
%res = sub i32 0, %sel
ret i32 %res
}
define i32 @neg_select_ab(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: neg_select_ab:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: csel w8, w0, w1, ne
; CHECK-SD-NEXT: neg w0, w8
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: neg_select_ab:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: csel w8, w0, w1, ne
; CHECK-GI-NEXT: neg w0, w8
; CHECK-GI-NEXT: ret
%sel = select i1 %bb, i32 %a, i32 %b
%res = sub i32 0, %sel
ret i32 %res
}
define i32 @neg_select_nega_with_use(i32 %a, i32 %b, i1 %bb) {
; CHECK-SD-LABEL: neg_select_nega_with_use:
; CHECK-SD: // %bb.0:
; CHECK-SD-NEXT: tst w2, #0x1
; CHECK-SD-NEXT: neg w8, w0
; CHECK-SD-NEXT: csneg w9, w1, w0, eq
; CHECK-SD-NEXT: sub w0, w8, w9
; CHECK-SD-NEXT: ret
;
; CHECK-GI-LABEL: neg_select_nega_with_use:
; CHECK-GI: // %bb.0:
; CHECK-GI-NEXT: and w8, w2, #0x1
; CHECK-GI-NEXT: tst w8, #0x1
; CHECK-GI-NEXT: neg w8, w0
; CHECK-GI-NEXT: csneg w9, w1, w0, eq
; CHECK-GI-NEXT: sub w0, w8, w9
; CHECK-GI-NEXT: ret
%nega = sub i32 0, %a
%sel = select i1 %bb, i32 %nega, i32 %b
%nsel = sub i32 0, %sel
%res = add i32 %nsel, %nega
ret i32 %res
}
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
|
