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llvm-project/llvm/test/CodeGen/Hexagon/hwloop-dbg.ll

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Extend Hexagon hardware loop generation to handle various additional cases: - variety of compare instructions, - loops with no preheader, - arbitrary lower and upper bounds. llvm-svn: 174904
2013-02-12 05:37:55 +08:00
; RUN: llc < %s -march=hexagon -mcpu=hexagonv4 -O2 -disable-lsr | FileCheck %s
; ModuleID = 'hwloop-dbg.o'
target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
target triple = "hexagon"
define void @foo(i32* nocapture %a, i32* nocapture %b) nounwind {
entry:
tail call void @llvm.dbg.value(metadata !{i32* %a}, i64 0, metadata !13), !dbg !17
tail call void @llvm.dbg.value(metadata !{i32* %b}, i64 0, metadata !14), !dbg !18
tail call void @llvm.dbg.value(metadata !2, i64 0, metadata !15), !dbg !19
br label %for.body, !dbg !19
for.body: ; preds = %for.body, %entry
; CHECK: loop0(
; CHECK-NOT: add({{r[0-9]*}}, #
; CHECK: endloop0
%arrayidx.phi = phi i32* [ %a, %entry ], [ %arrayidx.inc, %for.body ]
%i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%b.addr.01 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.body ]
%incdec.ptr = getelementptr inbounds i32* %b.addr.01, i32 1, !dbg !21
tail call void @llvm.dbg.value(metadata !{i32* %incdec.ptr}, i64 0, metadata !14), !dbg !21
TBAA: remove !tbaa from testing cases if not used. This will make it easier to turn on struct-path aware TBAA since the metadata format will change. llvm-svn: 180796
2013-05-01 01:52:57 +08:00
%0 = load i32* %b.addr.01, align 4, !dbg !21
store i32 %0, i32* %arrayidx.phi, align 4, !dbg !21
Extend Hexagon hardware loop generation to handle various additional cases: - variety of compare instructions, - loops with no preheader, - arbitrary lower and upper bounds. llvm-svn: 174904
2013-02-12 05:37:55 +08:00
%inc = add nsw i32 %i.02, 1, !dbg !26
tail call void @llvm.dbg.value(metadata !{i32 %inc}, i64 0, metadata !15), !dbg !26
%exitcond = icmp eq i32 %inc, 10, !dbg !19
%arrayidx.inc = getelementptr i32* %arrayidx.phi, i32 1
br i1 %exitcond, label %for.end, label %for.body, !dbg !19
for.end: ; preds = %for.body
ret void, !dbg !27
}
declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
!0 = metadata !{i32 786449, i32 0, i32 12, metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t", metadata !"QuIC LLVM Hexagon Clang version 6.1-pre-unknown, (git://git-hexagon-aus.quicinc.com/llvm/clang-mainline.git e9382867661454cdf44addb39430741578e9765c) (llvm/llvm-mainline.git 36412bb1fcf03ed426d4437b41198bae066675ac)", i1 true, i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c] [DW_LANG_C99]
!1 = metadata !{metadata !2}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
Debug Info: improve the Finder. Improve the Finder to handle context of a DIVariable used by DbgValueInst. Fix testing cases to make them pass the verifier. llvm-svn: 187052
2013-07-25 01:10:09 +08:00
!5 = metadata !{i32 786478, metadata !6, null, metadata !"foo", metadata !"foo", metadata !"", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32*, i32*)* @foo, null, null, metadata !11, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
Extend Hexagon hardware loop generation to handle various additional cases: - variety of compare instructions, - loops with no preheader, - arbitrary lower and upper bounds. llvm-svn: 174904
2013-02-12 05:37:55 +08:00
!6 = metadata !{i32 786473, metadata !"hwloop-dbg.c", metadata !"/usr2/kparzysz/s.hex/t", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{null, metadata !9, metadata !9}
Debug Info: improve the verifier to check field types. Make sure the context field of DIType is MDNode. Fix testing cases to make them pass the verifier. llvm-svn: 187150
2013-07-26 03:33:30 +08:00
!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from int]
!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
Extend Hexagon hardware loop generation to handle various additional cases: - variety of compare instructions, - loops with no preheader, - arbitrary lower and upper bounds. llvm-svn: 174904
2013-02-12 05:37:55 +08:00
!11 = metadata !{metadata !12}
!12 = metadata !{metadata !13, metadata !14, metadata !15}
!13 = metadata !{i32 786689, metadata !5, metadata !"a", metadata !6, i32 16777217, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 1]
!14 = metadata !{i32 786689, metadata !5, metadata !"b", metadata !6, i32 33554433, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [b] [line 1]
!15 = metadata !{i32 786688, metadata !16, metadata !"i", metadata !6, i32 2, metadata !10, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 2]
!16 = metadata !{i32 786443, metadata !5, i32 1, i32 26, metadata !6, i32 0} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!17 = metadata !{i32 1, i32 15, metadata !5, null}
!18 = metadata !{i32 1, i32 23, metadata !5, null}
!19 = metadata !{i32 3, i32 8, metadata !20, null}
!20 = metadata !{i32 786443, metadata !16, i32 3, i32 3, metadata !6, i32 1} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!21 = metadata !{i32 4, i32 5, metadata !22, null}
!22 = metadata !{i32 786443, metadata !20, i32 3, i32 28, metadata !6, i32 2} ; [ DW_TAG_lexical_block ] [/usr2/kparzysz/s.hex/t/hwloop-dbg.c]
!26 = metadata !{i32 3, i32 23, metadata !20, null}
!27 = metadata !{i32 6, i32 1, metadata !16, null}