16f1a8c2dSGraham Hunter; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 26f1a8c2dSGraham Hunter; RUN: opt < %s -passes=loop-vectorize,instcombine -enable-histogram-loop-vectorization -force-vector-width=2 -S | FileCheck %s 36f1a8c2dSGraham Hunter 46f1a8c2dSGraham Hunter;; Currently we don't expect this to vectorize, since the generic cost model returns 56f1a8c2dSGraham Hunter;; invalid for the histogram intrinsic. 66f1a8c2dSGraham Hunterdefine void @simple_histogram(ptr noalias %buckets, ptr readonly %indices, i64 %N) { 76f1a8c2dSGraham Hunter; CHECK-LABEL: define void @simple_histogram( 86f1a8c2dSGraham Hunter; CHECK-SAME: ptr noalias [[BUCKETS:%.*]], ptr readonly [[INDICES:%.*]], i64 [[N:%.*]]) { 96f1a8c2dSGraham Hunter; CHECK-NEXT: entry: 106f1a8c2dSGraham Hunter; CHECK-NEXT: br label [[FOR_BODY:%.*]] 116f1a8c2dSGraham Hunter; CHECK: for.body: 126f1a8c2dSGraham Hunter; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ] 13*462cb3cdSNikita Popov; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[INDICES]], i64 [[IV]] 146f1a8c2dSGraham Hunter; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 156f1a8c2dSGraham Hunter; CHECK-NEXT: [[IDXPROM1:%.*]] = zext i32 [[TMP12]] to i64 16*462cb3cdSNikita Popov; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds nuw i32, ptr [[BUCKETS]], i64 [[IDXPROM1]] 176f1a8c2dSGraham Hunter; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 186f1a8c2dSGraham Hunter; CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP13]], 1 196f1a8c2dSGraham Hunter; CHECK-NEXT: store i32 [[INC]], ptr [[ARRAYIDX2]], align 4 206f1a8c2dSGraham Hunter; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1 216f1a8c2dSGraham Hunter; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]] 226f1a8c2dSGraham Hunter; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_EXIT:%.*]], label [[FOR_BODY]] 236f1a8c2dSGraham Hunter; CHECK: for.exit: 246f1a8c2dSGraham Hunter; CHECK-NEXT: ret void 256f1a8c2dSGraham Hunter; 266f1a8c2dSGraham Hunterentry: 276f1a8c2dSGraham Hunter br label %for.body 286f1a8c2dSGraham Hunter 296f1a8c2dSGraham Hunterfor.body: 306f1a8c2dSGraham Hunter %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] 316f1a8c2dSGraham Hunter %gep.indices = getelementptr inbounds i32, ptr %indices, i64 %iv 326f1a8c2dSGraham Hunter %l.idx = load i32, ptr %gep.indices, align 4 336f1a8c2dSGraham Hunter %idxprom1 = zext i32 %l.idx to i64 346f1a8c2dSGraham Hunter %gep.bucket = getelementptr inbounds i32, ptr %buckets, i64 %idxprom1 356f1a8c2dSGraham Hunter %l.bucket = load i32, ptr %gep.bucket, align 4 366f1a8c2dSGraham Hunter %inc = add nsw i32 %l.bucket, 1 376f1a8c2dSGraham Hunter store i32 %inc, ptr %gep.bucket, align 4 386f1a8c2dSGraham Hunter %iv.next = add nuw nsw i64 %iv, 1 396f1a8c2dSGraham Hunter %exitcond = icmp eq i64 %iv.next, %N 406f1a8c2dSGraham Hunter br i1 %exitcond, label %for.exit, label %for.body 416f1a8c2dSGraham Hunter 426f1a8c2dSGraham Hunterfor.exit: 436f1a8c2dSGraham Hunter ret void 446f1a8c2dSGraham Hunter} 45