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38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
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; RUN: llc -march=hexagon < %s | FileCheck %s
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; Check that a hardware loop is generated.
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; CHECK: loop0
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target triple = "hexagon"
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; Function Attrs: norecurse nounwind
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define dso_local void @f0(i32* nocapture readonly %a0, i32* nocapture %a1) local_unnamed_addr #0 {
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b0:
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br label %b1
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b1: ; preds = %b1, %b0
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%v0 = phi i32 [ %v3, %b1 ], [ 100, %b0 ]
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%v1 = phi i32* [ %v6, %b1 ], [ %a1, %b0 ]
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%v2 = phi i32* [ %v4, %b1 ], [ %a0, %b0 ]
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%v3 = add nsw i32 %v0, -1
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%v4 = getelementptr inbounds i32, i32* %v2, i32 1
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%v5 = load i32, i32* %v2, align 4, !tbaa !1
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%v6 = getelementptr inbounds i32, i32* %v1, i32 1
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store i32 %v5, i32* %v1, align 4, !tbaa !1
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%v7 = icmp eq i32 %v3, 0
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br i1 %v7, label %b2, label %b1
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b2: ; preds = %b1
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ret void
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}
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attributes #0 = { norecurse nounwind "target-cpu"="hexagonv62" }
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"int", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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