71 lines
2.8 KiB
LLVM
71 lines
2.8 KiB
LLVM
; RUN: opt < %s -basicaa -loop-interchange -pass-remarks='loop-interchange' -pass-remarks-output=%t -S \
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; RUN: -verify-dom-info -verify-loop-info | FileCheck %s
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; RUN: FileCheck -check-prefix=REMARK --input-file=%t %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = common global [100 x [100 x i64]] zeroinitializer
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;; for(int i=0;i<100;i++)
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;; for(int j=0;j<100;j++)
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;; A[j][i] = A[j][i]+k;
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; REMARK: Name: Interchanged
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; REMARK-NEXT: Function: interchange_01
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; CHECK: split
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define void @interchange_01(i64 %k, i64 %N) !dbg !5 {
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entry:
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br label %for1.header
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for1.header:
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%j23 = phi i64 [ 0, %entry ], [ %j.next24, %for1.inc10 ]
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call void @llvm.dbg.value(metadata i64 %j, metadata !13, metadata !DIExpression()), !dbg !14
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br label %for2
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for2:
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%j = phi i64 [ %j.next, %for2 ], [ 0, %for1.header ]
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call void @llvm.dbg.value(metadata i64 %j, metadata !13, metadata !DIExpression()), !dbg !14
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%arrayidx5 = getelementptr inbounds [100 x [100 x i64]], [100 x [100 x i64]]* @A, i64 0, i64 %j, i64 %j23
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%lv = load i64, i64* %arrayidx5
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%add = add nsw i64 %lv, %k
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store i64 %add, i64* %arrayidx5
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%j.next = add nuw nsw i64 %j, 1
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%exitcond = icmp eq i64 %j, 99
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call void @llvm.dbg.value(metadata i64 %j, metadata !13, metadata !DIExpression()), !dbg !14
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br i1 %exitcond, label %for1.inc10, label %for2
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for1.inc10:
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%j.next24 = add nuw nsw i64 %j23, 1
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call void @llvm.dbg.value(metadata i64 %j, metadata !13, metadata !DIExpression()), !dbg !14
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%exitcond26 = icmp eq i64 %j23, 99
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br i1 %exitcond26, label %for.end12, label %for1.header
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for.end12:
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ret void
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "/test")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
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!6 = !DISubroutineType(types: !7)
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!7 = !{null, !8, !8, !11}
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!8 = !DIDerivedType(tag: DW_TAG_restrict_type, baseType: !9)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32)
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!10 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!11 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{!13}
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!13 = !DILocalVariable(name: "a", arg: 1, scope: !5, file: !1, line: 1, type: !8)
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!14 = !DILocation(line: 1, column: 27, scope: !5)
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