1 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
2 ; RUN: opt < %s -scalar-evolution -analyze -enable-new-pm=0 -scalar-evolution-classify-expressions=0 | FileCheck %s
3 ; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s
5 ; ScalarEvolution can't compute a trip count because it doesn't know if
6 ; dividing by the stride will have a remainder. This could theoretically
7 ; be teaching it how to use a more elaborate trip count computation.
9 %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] }
10 %struct.SHA_INFO = type { [5 x i32], i32, i32, [16 x i32] }
11 %struct._IO_marker = type { %struct._IO_marker*, %struct.FILE*, i32 }
13 @_2E_str = external constant [26 x i8]
14 @stdin = external global %struct.FILE*
15 @_2E_str1 = external constant [3 x i8]
16 @_2E_str12 = external constant [30 x i8]
18 declare void @sha_init(%struct.SHA_INFO* nocapture) nounwind
20 declare fastcc void @sha_transform(%struct.SHA_INFO* nocapture) nounwind
22 declare void @sha_print(%struct.SHA_INFO* nocapture) nounwind
24 declare i32 @printf(i8* nocapture, ...) nounwind
26 declare void @sha_final(%struct.SHA_INFO* nocapture) nounwind
28 declare void @sha_update(%struct.SHA_INFO* nocapture, i8* nocapture, i32) nounwind
30 declare i64 @fread(i8* noalias nocapture, i64, i64, %struct.FILE* noalias nocapture) nounwind
32 declare i32 @main(i32, i8** nocapture) nounwind
34 declare noalias %struct.FILE* @fopen(i8* noalias nocapture, i8* noalias nocapture) nounwind
36 declare i32 @fclose(%struct.FILE* nocapture) nounwind
38 declare void @sha_stream(%struct.SHA_INFO* nocapture, %struct.FILE* nocapture) nounwind
40 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 {
41 ; CHECK-LABEL: 'sha_stream_bb3_2E_i'
42 ; CHECK-NEXT: Determining loop execution counts for: @sha_stream_bb3_2E_i
43 ; CHECK-NEXT: Loop %bb3.i: backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64)
44 ; CHECK-NEXT: Loop %bb3.i: max backedge-taken count is 33554431
45 ; CHECK-NEXT: Loop %bb3.i: Predicated backedge-taken count is ((63 + (-1 * (63 smin %0)) + %0) /u 64)
46 ; CHECK-NEXT: Predicates:
47 ; CHECK: Loop %bb3.i: Trip multiple is 1
52 sha_update.exit.exitStub: ; preds = %bb3.i
53 store i8* %buffer_addr.0.i, i8** %buffer_addr.0.i.out
54 store i32 %count_addr.0.i, i32* %count_addr.0.i.out
57 bb2.i: ; preds = %bb3.i
58 %1 = getelementptr %struct.SHA_INFO, %struct.SHA_INFO* %sha_info, i64 0, i32 3
59 %2 = bitcast [16 x i32]* %1 to i8*
60 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %buffer_addr.0.i, i64 64, i1 false)
61 %3 = getelementptr %struct.SHA_INFO, %struct.SHA_INFO* %sha_info, i64 0, i32 3, i64 0
62 %4 = bitcast i32* %3 to i8*
65 codeRepl: ; preds = %bb2.i
66 call void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(i8* %4)
67 br label %byte_reverse.exit.i
69 byte_reverse.exit.i: ; preds = %codeRepl
70 call fastcc void @sha_transform(%struct.SHA_INFO* %sha_info) nounwind
71 %5 = getelementptr i8, i8* %buffer_addr.0.i, i64 64
72 %6 = add i32 %count_addr.0.i, -64
75 bb3.i: ; preds = %byte_reverse.exit.i, %newFuncRoot
76 %buffer_addr.0.i = phi i8* [ %data1, %newFuncRoot ], [ %5, %byte_reverse.exit.i ]
77 %count_addr.0.i = phi i32 [ %0, %newFuncRoot ], [ %6, %byte_reverse.exit.i ]
78 %7 = icmp sgt i32 %count_addr.0.i, 63
79 br i1 %7, label %bb2.i, label %sha_update.exit.exitStub
82 declare void @sha_stream_bb3_2E_i_bb1_2E_i_2E_i(i8*) nounwind
84 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
86 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind