| ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py |
| ; RUN: opt < %s -scalar-evolution -analyze -enable-new-pm=0 -scalar-evolution-classify-expressions=0 | FileCheck %s |
| ; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s |
| |
| ; ScalarEvolution can't compute a trip count because it doesn't know if |
| ; dividing by the stride will have a remainder. This could theoretically |
| ; be teaching it how to use a more elaborate trip count computation. |
| |
| %struct.FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct.FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] } |
| %struct.SHA_INFO = type { [5 x i32], i32, i32, [16 x i32] } |
| %struct._IO_marker = type { %struct._IO_marker*, %struct.FILE*, i32 } |
| |
| @_2E_str = external constant [26 x i8] |
| @stdin = external global %struct.FILE* |
| @_2E_str1 = external constant [3 x i8] |
| @_2E_str12 = external constant [30 x i8] |
| |
| declare void @sha_init(%struct.SHA_INFO* nocapture) nounwind |
| |
| declare fastcc void @sha_transform(%struct.SHA_INFO* nocapture) nounwind |
| |
| declare void @sha_print(%struct.SHA_INFO* nocapture) nounwind |
| |
| declare i32 @printf(i8* nocapture, ...) nounwind |
| |
| declare void @sha_final(%struct.SHA_INFO* nocapture) nounwind |
| |
| declare void @sha_update(%struct.SHA_INFO* nocapture, i8* nocapture, i32) nounwind |
| |
| declare i64 @fread(i8* noalias nocapture, i64, i64, %struct.FILE* noalias nocapture) nounwind |
| |
| declare i32 @main(i32, i8** nocapture) nounwind |
| |
| declare noalias %struct.FILE* @fopen(i8* noalias nocapture, i8* noalias nocapture) nounwind |
| |
| declare i32 @fclose(%struct.FILE* nocapture) nounwind |
| |
| declare void @sha_stream(%struct.SHA_INFO* nocapture, %struct.FILE* nocapture) nounwind |
| |
| define void @sha_stream_bb3_2E_i(%struct.SHA_INFO* %sha_info, i8* %data1, i32, i8** %buffer_addr.0.i.out, i32* %count_addr.0.i.out) nounwind { |
| ; CHECK-LABEL: 'sha_stream_bb3_2E_i' |
| ; CHECK-NEXT: Determining loop execution counts for: @sha_stream_bb3_2E_i |
| ; CHECK-NEXT: Loop %bb3.i: backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64) |
| ; CHECK-NEXT: Loop %bb3.i: max backedge-taken count is 33554431 |
| ; CHECK-NEXT: Loop %bb3.i: Predicated backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64) |
| ; CHECK-NEXT: Predicates: |
| ; CHECK: Loop %bb3.i: Trip multiple is 1 |
| ; |
| newFuncRoot: |
| br label %bb3.i |
| |
| sha_update.exit.exitStub: ; preds = %bb3.i |
| store i8* %buffer_addr.0.i, i8** %buffer_addr.0.i.out |
| store i32 %count_addr.0.i, i32* %count_addr.0.i.out |
| ret void |
| |
| bb2.i: ; preds = %bb3.i |
| %1 = getelementptr %struct.SHA_INFO, %struct.SHA_INFO* %sha_info, i64 0, i32 3 |
| %2 = bitcast [16 x i32]* %1 to i8* |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %buffer_addr.0.i, i64 64, i1 false) |
| %3 = getelementptr %struct.SHA_INFO, %struct.SHA_INFO* %sha_info, i64 0, i32 3, i64 0 |
| %4 = bitcast i32* %3 to i8* |
| br label %codeRepl |
| |
| codeRepl: ; preds = %bb2.i |
| call void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(i8* %4) |
| br label %byte_reverse.exit.i |
| |
| byte_reverse.exit.i: ; preds = %codeRepl |
| call fastcc void @sha_transform(%struct.SHA_INFO* %sha_info) nounwind |
| %5 = getelementptr i8, i8* %buffer_addr.0.i, i64 64 |
| %6 = add i32 %count_addr.0.i, -64 |
| br label %bb3.i |
| |
| bb3.i: ; preds = %byte_reverse.exit.i, %newFuncRoot |
| %buffer_addr.0.i = phi i8* [ %data1, %newFuncRoot ], [ %5, %byte_reverse.exit.i ] |
| %count_addr.0.i = phi i32 [ %0, %newFuncRoot ], [ %6, %byte_reverse.exit.i ] |
| %7 = icmp sgt i32 %count_addr.0.i, 63 |
| br i1 %7, label %bb2.i, label %sha_update.exit.exitStub |
| } |
| |
| declare void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(i8*) nounwind |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind |
| |