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1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py2; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s3 4; ScalarEvolution can't compute a trip count because it doesn't know if5; dividing by the stride will have a remainder. This could theoretically6; be teaching it how to use a more elaborate trip count computation.7 8%struct.FILE = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i64, i16, i8, [1 x i8], ptr, i64, ptr, ptr, ptr, ptr, i64, i32, [20 x i8] }9%struct.SHA_INFO = type { [5 x i32], i32, i32, [16 x i32] }10%struct._IO_marker = type { ptr, ptr, i32 }11 12@_2E_str = external constant [26 x i8]13@stdin = external global ptr14@_2E_str1 = external constant [3 x i8]15@_2E_str12 = external constant [30 x i8]16 17declare void @sha_init(ptr nocapture) nounwind18 19declare fastcc void @sha_transform(ptr nocapture) nounwind20 21declare void @sha_print(ptr nocapture) nounwind22 23declare i32 @printf(ptr nocapture, ...) nounwind24 25declare void @sha_final(ptr nocapture) nounwind26 27declare void @sha_update(ptr nocapture, ptr nocapture, i32) nounwind28 29declare i64 @fread(ptr noalias nocapture, i64, i64, ptr noalias nocapture) nounwind30 31declare i32 @main(i32, ptr nocapture) nounwind32 33declare noalias ptr @fopen(ptr noalias nocapture, ptr noalias nocapture) nounwind34 35declare i32 @fclose(ptr nocapture) nounwind36 37declare void @sha_stream(ptr nocapture, ptr nocapture) nounwind38 39define void @sha_stream_bb3_2E_i(ptr %sha_info, ptr %data1, i32, ptr %buffer_addr.0.i.out, ptr %count_addr.0.i.out) nounwind {40; CHECK-LABEL: 'sha_stream_bb3_2E_i'41; CHECK-NEXT: Determining loop execution counts for: @sha_stream_bb3_2E_i42; CHECK-NEXT: Loop %bb3.i: backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64)43; CHECK-NEXT: Loop %bb3.i: constant max backedge-taken count is i32 3355443144; CHECK-NEXT: Loop %bb3.i: symbolic max backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64)45; CHECK-NEXT: Loop %bb3.i: Trip multiple is 146;47newFuncRoot:48 br label %bb3.i49 50sha_update.exit.exitStub: ; preds = %bb3.i51 store ptr %buffer_addr.0.i, ptr %buffer_addr.0.i.out52 store i32 %count_addr.0.i, ptr %count_addr.0.i.out53 ret void54 55bb2.i: ; preds = %bb3.i56 %1 = getelementptr %struct.SHA_INFO, ptr %sha_info, i64 0, i32 357 call void @llvm.memcpy.p0.p0.i64(ptr %1, ptr %buffer_addr.0.i, i64 64, i1 false)58 %2 = getelementptr %struct.SHA_INFO, ptr %sha_info, i64 0, i32 3, i64 059 br label %codeRepl60 61codeRepl: ; preds = %bb2.i62 call void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(ptr %2)63 br label %byte_reverse.exit.i64 65byte_reverse.exit.i: ; preds = %codeRepl66 call fastcc void @sha_transform(ptr %sha_info) nounwind67 %3 = getelementptr i8, ptr %buffer_addr.0.i, i64 6468 %4 = add i32 %count_addr.0.i, -6469 br label %bb3.i70 71bb3.i: ; preds = %byte_reverse.exit.i, %newFuncRoot72 %buffer_addr.0.i = phi ptr [ %data1, %newFuncRoot ], [ %3, %byte_reverse.exit.i ]73 %count_addr.0.i = phi i32 [ %0, %newFuncRoot ], [ %4, %byte_reverse.exit.i ]74 %5 = icmp sgt i32 %count_addr.0.i, 6375 br i1 %5, label %bb2.i, label %sha_update.exit.exitStub76}77 78declare void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(ptr) nounwind79 80declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind81 82declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind83 84