forked from OSchip/llvm-project
60 lines
3.7 KiB
LLVM
60 lines
3.7 KiB
LLVM
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; RUN: opt -S -loop-rotate %s | FileCheck %s
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; CHECK: entry
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; CHECK-NEXT: call void @llvm.dbg.value(metadata !{i32 %x}
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declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
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define i32 @tak(i32 %x, i32 %y, i32 %z) nounwind ssp {
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entry:
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br label %tailrecurse
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tailrecurse: ; preds = %if.then, %entry
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%x.tr = phi i32 [ %x, %entry ], [ %call, %if.then ]
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%y.tr = phi i32 [ %y, %entry ], [ %call9, %if.then ]
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%z.tr = phi i32 [ %z, %entry ], [ %call14, %if.then ]
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tail call void @llvm.dbg.value(metadata !{i32 %x.tr}, i64 0, metadata !6), !dbg !7
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tail call void @llvm.dbg.value(metadata !{i32 %y.tr}, i64 0, metadata !8), !dbg !9
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tail call void @llvm.dbg.value(metadata !{i32 %z.tr}, i64 0, metadata !10), !dbg !11
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%cmp = icmp slt i32 %y.tr, %x.tr, !dbg !12
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br i1 %cmp, label %if.then, label %if.end, !dbg !12
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if.then: ; preds = %tailrecurse
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%sub = sub nsw i32 %x.tr, 1, !dbg !14
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%call = tail call i32 @tak(i32 %sub, i32 %y.tr, i32 %z.tr), !dbg !14
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%sub6 = sub nsw i32 %y.tr, 1, !dbg !14
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%call9 = tail call i32 @tak(i32 %sub6, i32 %z.tr, i32 %x.tr), !dbg !14
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%sub11 = sub nsw i32 %z.tr, 1, !dbg !14
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%call14 = tail call i32 @tak(i32 %sub11, i32 %x.tr, i32 %y.tr), !dbg !14
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br label %tailrecurse
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if.end: ; preds = %tailrecurse
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br label %return, !dbg !16
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return: ; preds = %if.end
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ret i32 %z.tr, !dbg !17
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}
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.sp = !{!0}
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!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"tak", metadata !"tak", metadata !"", metadata !1, i32 32, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, i32 (i32, i32, i32)* @tak} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 589865, metadata !"/Volumes/Lalgate/cj/llvm/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame/recursive.c", metadata !"/Volumes/Lalgate/cj/D/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame", metadata !2} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"/Volumes/Lalgate/cj/llvm/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame/recursive.c", metadata !"/Volumes/Lalgate/cj/D/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame", metadata !"clang version 2.9 (trunk 125492)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{metadata !5}
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!5 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!6 = metadata !{i32 590081, metadata !0, metadata !"x", metadata !1, i32 32, metadata !5, i32 0} ; [ DW_TAG_arg_variable ]
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!7 = metadata !{i32 32, i32 13, metadata !0, null}
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!8 = metadata !{i32 590081, metadata !0, metadata !"y", metadata !1, i32 32, metadata !5, i32 0} ; [ DW_TAG_arg_variable ]
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!9 = metadata !{i32 32, i32 20, metadata !0, null}
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!10 = metadata !{i32 590081, metadata !0, metadata !"z", metadata !1, i32 32, metadata !5, i32 0} ; [ DW_TAG_arg_variable ]
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!11 = metadata !{i32 32, i32 27, metadata !0, null}
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!12 = metadata !{i32 33, i32 3, metadata !13, null}
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!13 = metadata !{i32 589835, metadata !0, i32 32, i32 30, metadata !1, i32 6} ; [ DW_TAG_lexical_block ]
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!14 = metadata !{i32 34, i32 5, metadata !15, null}
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!15 = metadata !{i32 589835, metadata !13, i32 33, i32 14, metadata !1, i32 7} ; [ DW_TAG_lexical_block ]
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!16 = metadata !{i32 36, i32 3, metadata !13, null}
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!17 = metadata !{i32 37, i32 1, metadata !13, null}
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