; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 ; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux < %s | FileCheck %s %} ; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=aarch64-unknown-linux < %s | FileCheck %s %} ; SLP doesn't currently support sub reductions define i64 @reduction_sub(ptr %ptr) { ; CHECK-LABEL: define i64 @reduction_sub( ; CHECK-SAME: ptr [[PTR:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*:]] ; CHECK-NEXT: [[LD0:%.*]] = load i64, ptr [[PTR]], align 8 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 1 ; CHECK-NEXT: [[LD1:%.*]] = load i64, ptr [[GEP]], align 8 ; CHECK-NEXT: [[SUB_1:%.*]] = sub nuw nsw i64 [[LD0]], [[LD1]] ; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 2 ; CHECK-NEXT: [[LD2:%.*]] = load i64, ptr [[GEP_1]], align 8 ; CHECK-NEXT: [[SUB_2:%.*]] = sub nuw nsw i64 [[SUB_1]], [[LD2]] ; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr inbounds i64, ptr [[PTR]], i64 3 ; CHECK-NEXT: [[LD3:%.*]] = load i64, ptr [[GEP_2]], align 8 ; CHECK-NEXT: [[SUB_3:%.*]] = sub nuw nsw i64 [[SUB_2]], [[LD3]] ; CHECK-NEXT: ret i64 [[SUB_3]] ; entry: %ld0 = load i64, ptr %ptr %gep = getelementptr inbounds i64, ptr %ptr, i64 1 %ld1 = load i64, ptr %gep %sub.1 = sub nuw nsw i64 %ld0, %ld1 %gep.1 = getelementptr inbounds i64, ptr %ptr, i64 2 %ld2 = load i64, ptr %gep.1 %sub.2 = sub nuw nsw i64 %sub.1, %ld2 %gep.2 = getelementptr inbounds i64, ptr %ptr, i64 3 %ld3 = load i64, ptr %gep.2 %sub.3 = sub nuw nsw i64 %sub.2, %ld3 ret i64 %sub.3 }