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[InstSimplify] Add pre-commits for PR#66606. NFC.

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Yingwei Zheng 2023-09-19 00:59:52 +08:00
parent 47025af639
commit 2a38d83918
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1 changed files with 26 additions and 0 deletions
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26
llvm/test/Transforms/InstSimplify/and-or-icmp-zero.ll
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@ -262,3 +262,29 @@ define i1 @and_cmps_ptr_eq_zero_with_mask_commute4(ptr %p, i64 %y) {
ret i1 %r
}
; tests from PR66606
define i32 @and_zext_eq_zero(i32 %a) {
; CHECK-LABEL: @and_zext_eq_zero(
; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[A:%.*]], 0
; CHECK-NEXT: [[NOT:%.*]] = zext i1 [[COND]] to i32
; CHECK-NEXT: [[R:%.*]] = and i32 [[A]], [[NOT]]
; CHECK-NEXT: ret i32 [[R]]
;
%cond = icmp eq i32 %a, 0
%not = zext i1 %cond to i32
%r = and i32 %a, %not
ret i32 %r
}
define i32 @and_zext_eq_zero_commuted(i32 %a) {
; CHECK-LABEL: @and_zext_eq_zero_commuted(
; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[A:%.*]], 0
; CHECK-NEXT: [[NOT:%.*]] = zext i1 [[COND]] to i32
; CHECK-NEXT: [[R:%.*]] = and i32 [[NOT]], [[A]]
; CHECK-NEXT: ret i32 [[R]]
;
%cond = icmp eq i32 %a, 0
%not = zext i1 %cond to i32
%r = and i32 %not, %a
ret i32 %r
}