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https://github.com/RPCS3/llvm-mirror.git
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c5a5f5171e
This reverts commit 4ffcd4fe9ac2ee948948f732baa16663eb63f1c7 thus restoring e4df6a40dad. The only change from the original patch is to add "llvm::" before the call to empty(iterator_range). This is a speculative fix for the ambiguity reported on some builders.
78 lines
3.1 KiB
LLVM
78 lines
3.1 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-width=4 -S -pass-remarks-missed='loop-vectorize' 2>&1 | FileCheck %s
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; C/C++ code for control flow test
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; int test(int *A, int Length) {
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; for (int i = 0; i < Length; i++) {
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; if (A[i] > 10.0) goto end;
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; A[i] = 0;
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; }
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; end:
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; return 0;
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; }
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; CHECK: remark: source.cpp:5:9: loop not vectorized: could not determine number of loop iterations
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; CHECK: remark: source.cpp:5:9: loop not vectorized
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; CHECK: _Z4testPii
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; CHECK-NOT: x i32>
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; CHECK: ret
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: nounwind optsize ssp uwtable
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define i32 @_Z4testPii(i32* nocapture %A, i32 %Length) #0 !dbg !4 {
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entry:
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%cmp8 = icmp sgt i32 %Length, 0, !dbg !10
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br i1 %cmp8, label %for.body.preheader, label %end, !dbg !10
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for.body.preheader: ; preds = %entry
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br label %for.body, !dbg !12
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for.body: ; preds = %for.body.preheader, %if.else
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%indvars.iv = phi i64 [ %indvars.iv.next, %if.else ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv, !dbg !12
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%0 = load i32, i32* %arrayidx, align 4, !dbg !12, !tbaa !15
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%cmp1 = icmp sgt i32 %0, 10, !dbg !12
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br i1 %cmp1, label %end.loopexit, label %if.else, !dbg !12
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if.else: ; preds = %for.body
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store i32 0, i32* %arrayidx, align 4, !dbg !19, !tbaa !15
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
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%1 = trunc i64 %indvars.iv.next to i32, !dbg !10
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%cmp = icmp slt i32 %1, %Length, !dbg !10
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br i1 %cmp, label %for.body, label %end.loopexit, !dbg !10
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end.loopexit: ; preds = %if.else, %for.body
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br label %end
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end: ; preds = %end.loopexit, %entry
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ret i32 0, !dbg !20
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}
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attributes #0 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0", isOptimized: true, runtimeVersion: 6, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "source.cpp", directory: ".")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "test", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2)
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!5 = !DIFile(filename: "source.cpp", directory: ".")
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!6 = !DISubroutineType(types: !2)
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!7 = !{i32 2, !"Dwarf Version", i32 2}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{!"clang version 3.5.0"}
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!10 = !DILocation(line: 3, column: 8, scope: !11)
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!11 = distinct !DILexicalBlock(line: 3, column: 3, file: !1, scope: !4)
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!12 = !DILocation(line: 5, column: 9, scope: !13)
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!13 = distinct !DILexicalBlock(line: 5, column: 9, file: !1, scope: !14)
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!14 = distinct !DILexicalBlock(line: 4, column: 3, file: !1, scope: !11)
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!15 = !{!16, !16, i64 0}
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!16 = !{!"int", !17, i64 0}
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!17 = !{!"omnipotent char", !18, i64 0}
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!18 = !{!"Simple C/C++ TBAA"}
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!19 = !DILocation(line: 8, column: 7, scope: !13)
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!20 = !DILocation(line: 12, column: 3, scope: !4)
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