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8a358b3669
This was done through the aid of a terrible Perl creation. I will not paste any of the horrors here. Suffice to say, it require multiple staged rounds of replacements, state carried between, and a few nested-construct-parsing hacks that I'm not proud of. It happens, by luck, to be able to deal with all the TCL-quoting patterns in evidence in the LLVM test suite. If anyone is maintaining large out-of-tree test trees, feel free to poke me and I'll send you the steps I used to convert things, as well as answer any painful questions etc. IRC works best for this type of thing I find. Once converted, switch the LLVM lit config to use ShTests the same as Clang. In addition to being able to delete large amounts of Python code from 'lit', this will also simplify the entire test suite and some of lit's architecture. Finally, the test suite runs 33% faster on Linux now. ;] For my 16-hardware-thread (2x 4-core xeon e5520): 36s -> 24s llvm-svn: 159525
79 lines
3.3 KiB
LLVM
79 lines
3.3 KiB
LLVM
; RUN: opt < %s -scalar-evolution -analyze \
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; RUN: | grep "Loop %bb3\.i: Unpredictable backedge-taken count\."
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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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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* %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, i32 1, i1 false)
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%3 = getelementptr %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* %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, i32, i1) nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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