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