[llvm] 3c59cde - Precommit updated InstCombine/and-xor-or.ll test. NFC.
Stanislav Mekhanoshin via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 20 12:51:16 PDT 2021
Author: Stanislav Mekhanoshin
Date: 2021-10-20T12:50:23-07:00
New Revision: 3c59cdee5caabdfc7735579cb43fbb5af18b6103
URL: https://github.com/llvm/llvm-project/commit/3c59cdee5caabdfc7735579cb43fbb5af18b6103
DIFF: https://github.com/llvm/llvm-project/commit/3c59cdee5caabdfc7735579cb43fbb5af18b6103.diff
LOG: Precommit updated InstCombine/and-xor-or.ll test. NFC.
Added:
Modified:
llvm/test/Transforms/InstCombine/and-xor-or.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/and-xor-or.ll b/llvm/test/Transforms/InstCombine/and-xor-or.ll
index e7a4c3ab3097..ec9f335a6c90 100644
--- a/llvm/test/Transforms/InstCombine/and-xor-or.ll
+++ b/llvm/test/Transforms/InstCombine/and-xor-or.ll
@@ -555,16 +555,14 @@ define <4 x i64> @not_and_and_not_4i64(<4 x i64> %a0, <4 x i64> %b, <4 x i64> %c
; (~b & a) & ~c --> a & ~(b | c)
-define i32 @not_and_and_not_commute1(i32 %a0, i32 %b, i32 %c) {
+define i32 @not_and_and_not_commute1(i32 %a, i32 %b, i32 %c) {
; CHECK-LABEL: @not_and_and_not_commute1(
-; CHECK-NEXT: [[A:%.*]] = sdiv i32 42, [[A0:%.*]]
; CHECK-NEXT: [[NOT1:%.*]] = xor i32 [[B:%.*]], -1
; CHECK-NEXT: [[NOT2:%.*]] = xor i32 [[C:%.*]], -1
-; CHECK-NEXT: [[AND1:%.*]] = and i32 [[A]], [[NOT1]]
+; CHECK-NEXT: [[AND1:%.*]] = and i32 [[NOT1]], [[A:%.*]]
; CHECK-NEXT: [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]
; CHECK-NEXT: ret i32 [[AND2]]
;
- %a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization
%not1 = xor i32 %b, -1
%not2 = xor i32 %c, -1
%and1 = and i32 %not1, %a
@@ -574,13 +572,15 @@ define i32 @not_and_and_not_commute1(i32 %a0, i32 %b, i32 %c) {
; ~c & (a & ~b) --> a & ~(b | c)
-define i32 @not_and_and_not_commute2(i32 %a0, i32 %b, i32 %c) {
-; CHECK-LABEL: @not_and_and_not_commute2(
+declare void @use(i32)
+define i32 @not_and_and_not_commute2_extra_not_use(i32 %a0, i32 %b, i32 %c) {
+; CHECK-LABEL: @not_and_and_not_commute2_extra_not_use(
; CHECK-NEXT: [[A:%.*]] = sdiv i32 42, [[A0:%.*]]
; CHECK-NEXT: [[NOT1:%.*]] = xor i32 [[B:%.*]], -1
; CHECK-NEXT: [[NOT2:%.*]] = xor i32 [[C:%.*]], -1
; CHECK-NEXT: [[AND1:%.*]] = and i32 [[A]], [[NOT1]]
; CHECK-NEXT: [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]
+; CHECK-NEXT: call void @use(i32 [[NOT2]])
; CHECK-NEXT: ret i32 [[AND2]]
;
%a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization
@@ -588,5 +588,25 @@ define i32 @not_and_and_not_commute2(i32 %a0, i32 %b, i32 %c) {
%not2 = xor i32 %c, -1
%and1 = and i32 %a, %not1
%and2 = and i32 %not2, %and1
+ call void @use(i32 %not2)
+ ret i32 %and2
+}
+
+define i32 @not_and_and_not_extra_and1_use(i32 %a0, i32 %b, i32 %c) {
+; CHECK-LABEL: @not_and_and_not_extra_and1_use(
+; CHECK-NEXT: [[A:%.*]] = sdiv i32 42, [[A0:%.*]]
+; CHECK-NEXT: [[NOT1:%.*]] = xor i32 [[B:%.*]], -1
+; CHECK-NEXT: [[NOT2:%.*]] = xor i32 [[C:%.*]], -1
+; CHECK-NEXT: [[AND1:%.*]] = and i32 [[A]], [[NOT1]]
+; CHECK-NEXT: [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]
+; CHECK-NEXT: call void @use(i32 [[AND1]])
+; CHECK-NEXT: ret i32 [[AND2]]
+;
+ %a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization
+ %not1 = xor i32 %b, -1
+ %not2 = xor i32 %c, -1
+ %and1 = and i32 %a, %not1
+ %and2 = and i32 %and1, %not2
+ call void @use(i32 %and1)
ret i32 %and2
}
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