; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=slp-vectorizer -slp-threshold=-200 -mtriple=x86_64-unknown-linux -mcpu=core-avx2 -S | FileCheck %s define void @test_add_sdiv(ptr %arr1, ptr %arr2, i32 %a0, i32 %a1, i32 %a2, i32 %a3) { ; CHECK-LABEL: @test_add_sdiv( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[GEP1_2:%.*]] = getelementptr i32, ptr [[ARR1:%.*]], i32 2 ; CHECK-NEXT: [[GEP1_3:%.*]] = getelementptr i32, ptr [[ARR1]], i32 3 ; CHECK-NEXT: [[GEP2_2:%.*]] = getelementptr i32, ptr [[ARR2:%.*]], i32 2 ; CHECK-NEXT: [[GEP2_3:%.*]] = getelementptr i32, ptr [[ARR2]], i32 3 ; CHECK-NEXT: [[V2:%.*]] = load i32, ptr [[GEP1_2]], align 4 ; CHECK-NEXT: [[V3:%.*]] = load i32, ptr [[GEP1_3]], align 4 ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> poison, i32 [[A0:%.*]], i32 0 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> [[TMP0]], i32 [[A1:%.*]], i32 1 ; CHECK-NEXT: [[TMP2:%.*]] = add nsw <2 x i32> [[TMP1]], ; CHECK-NEXT: [[Y2:%.*]] = add nsw i32 [[A2:%.*]], 42 ; CHECK-NEXT: [[Y3:%.*]] = add nsw i32 [[A3:%.*]], 0 ; CHECK-NEXT: [[RES2:%.*]] = sdiv i32 [[V2]], [[Y2]] ; CHECK-NEXT: [[RES3:%.*]] = add nsw i32 [[V3]], [[Y3]] ; CHECK-NEXT: [[TMP4:%.*]] = load <2 x i32>, ptr [[ARR1]], align 4 ; CHECK-NEXT: [[TMP5:%.*]] = add nsw <2 x i32> [[TMP4]], [[TMP2]] ; CHECK-NEXT: store <2 x i32> [[TMP5]], ptr [[ARR2]], align 4 ; CHECK-NEXT: store i32 [[RES2]], ptr [[GEP2_2]], align 4 ; CHECK-NEXT: store i32 [[RES3]], ptr [[GEP2_3]], align 4 ; CHECK-NEXT: ret void ; entry: %gep1.1 = getelementptr i32, ptr %arr1, i32 1 %gep1.2 = getelementptr i32, ptr %arr1, i32 2 %gep1.3 = getelementptr i32, ptr %arr1, i32 3 %gep2.1 = getelementptr i32, ptr %arr2, i32 1 %gep2.2 = getelementptr i32, ptr %arr2, i32 2 %gep2.3 = getelementptr i32, ptr %arr2, i32 3 %v0 = load i32, ptr %arr1 %v1 = load i32, ptr %gep1.1 %v2 = load i32, ptr %gep1.2 %v3 = load i32, ptr %gep1.3 %y0 = add nsw i32 %a0, 1146 %y1 = add nsw i32 %a1, 146 %y2 = add nsw i32 %a2, 42 ;; %y3 is zero if %a3 is zero %y3 = add nsw i32 %a3, 0 %res0 = add nsw i32 %v0, %y0 %res1 = add nsw i32 %v1, %y1 ;; As such, doing alternate shuffling would be incorrect: ;; %vadd = add nsw %v[0-3], %y[0-3] ;; %vsdiv = sdiv %v[0-3], %y[0-3] ;; %result = shuffle %vadd, %vsdiv, ;; would be illegal. %res2 = sdiv i32 %v2, %y2 %res3 = add nsw i32 %v3, %y3 store i32 %res0, ptr %arr2 store i32 %res1, ptr %gep2.1 store i32 %res2, ptr %gep2.2 store i32 %res3, ptr %gep2.3 ret void } ;; Similar test, but now div/rem is main opcode and not the alternate one. Same issue. define void @test_urem_add(ptr %arr1, ptr %arr2, i32 %a0, i32 %a1, i32 %a2, i32 %a3) { ; CHECK-LABEL: @test_urem_add( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[GEP1_1:%.*]] = getelementptr i32, ptr [[ARR1:%.*]], i32 1 ; CHECK-NEXT: [[GEP1_2:%.*]] = getelementptr i32, ptr [[ARR1]], i32 2 ; CHECK-NEXT: [[GEP1_3:%.*]] = getelementptr i32, ptr [[ARR1]], i32 3 ; CHECK-NEXT: [[GEP2_1:%.*]] = getelementptr i32, ptr [[ARR2:%.*]], i32 1 ; CHECK-NEXT: [[GEP2_2:%.*]] = getelementptr i32, ptr [[ARR2]], i32 2 ; CHECK-NEXT: [[GEP2_3:%.*]] = getelementptr i32, ptr [[ARR2]], i32 3 ; CHECK-NEXT: [[V0:%.*]] = load i32, ptr [[ARR1]], align 4 ; CHECK-NEXT: [[V1:%.*]] = load i32, ptr [[GEP1_1]], align 4 ; CHECK-NEXT: [[V2:%.*]] = load i32, ptr [[GEP1_2]], align 4 ; CHECK-NEXT: [[V3:%.*]] = load i32, ptr [[GEP1_3]], align 4 ; CHECK-NEXT: [[Y0:%.*]] = add nsw i32 [[A0:%.*]], 1146 ; CHECK-NEXT: [[Y1:%.*]] = add nsw i32 [[A1:%.*]], 146 ; CHECK-NEXT: [[Y2:%.*]] = add nsw i32 [[A2:%.*]], 42 ; CHECK-NEXT: [[Y3:%.*]] = add nsw i32 [[A3:%.*]], 0 ; CHECK-NEXT: [[RES0:%.*]] = urem i32 [[V0]], [[Y0]] ; CHECK-NEXT: [[RES1:%.*]] = urem i32 [[V1]], [[Y1]] ; CHECK-NEXT: [[RES2:%.*]] = urem i32 [[V2]], [[Y2]] ; CHECK-NEXT: [[RES3:%.*]] = add nsw i32 [[V3]], [[Y3]] ; CHECK-NEXT: store i32 [[RES0]], ptr [[ARR2]], align 4 ; CHECK-NEXT: store i32 [[RES1]], ptr [[GEP2_1]], align 4 ; CHECK-NEXT: store i32 [[RES2]], ptr [[GEP2_2]], align 4 ; CHECK-NEXT: store i32 [[RES3]], ptr [[GEP2_3]], align 4 ; CHECK-NEXT: ret void ; entry: %gep1.1 = getelementptr i32, ptr %arr1, i32 1 %gep1.2 = getelementptr i32, ptr %arr1, i32 2 %gep1.3 = getelementptr i32, ptr %arr1, i32 3 %gep2.1 = getelementptr i32, ptr %arr2, i32 1 %gep2.2 = getelementptr i32, ptr %arr2, i32 2 %gep2.3 = getelementptr i32, ptr %arr2, i32 3 %v0 = load i32, ptr %arr1 %v1 = load i32, ptr %gep1.1 %v2 = load i32, ptr %gep1.2 %v3 = load i32, ptr %gep1.3 %y0 = add nsw i32 %a0, 1146 %y1 = add nsw i32 %a1, 146 %y2 = add nsw i32 %a2, 42 ;; %y3 is zero if %a3 is zero %y3 = add nsw i32 %a3, 0 %res0 = urem i32 %v0, %y0 %res1 = urem i32 %v1, %y1 %res2 = urem i32 %v2, %y2 ;; As such, doing alternate shuffling would be incorrect: ;; %vurem = urem %v[0-3], %y[0-3] ;; %vadd = add nsw %v[0-3], %y[0-3] ;; %result = shuffle %vurem, %vadd, ;; would be illegal. %res3 = add nsw i32 %v3, %y3 store i32 %res0, ptr %arr2 store i32 %res1, ptr %gep2.1 store i32 %res2, ptr %gep2.2 store i32 %res3, ptr %gep2.3 ret void }