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41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; Test that we generate a post-increment when using double hvx (128B)
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; post-increment operations.
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; CHECK: = vmem(r{{[0-9]+}}++#1)
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; CHECK: vmem(r{{[0-9]+}}++#1)
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; Function Attrs: nounwind
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define void @f0(i8* noalias nocapture readonly %a0, i8* noalias nocapture %a1, i32 %a2) #0 {
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b0:
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%v0 = icmp sgt i32 %a2, 0
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br i1 %v0, label %b1, label %b3
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b1: ; preds = %b0
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%v1 = bitcast i8* %a0 to <32 x i32>*
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%v2 = bitcast i8* %a1 to <32 x i32>*
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br label %b2
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b2: ; preds = %b2, %b1
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%v3 = phi <32 x i32>* [ %v9, %b2 ], [ %v1, %b1 ]
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%v4 = phi <32 x i32>* [ %v10, %b2 ], [ %v2, %b1 ]
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%v5 = phi i32 [ %v7, %b2 ], [ 0, %b1 ]
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%v6 = load <32 x i32>, <32 x i32>* %v3, align 128, !tbaa !0
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store <32 x i32> %v6, <32 x i32>* %v4, align 128, !tbaa !0
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%v7 = add nsw i32 %v5, 1
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%v8 = icmp eq i32 %v7, %a2
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%v9 = getelementptr <32 x i32>, <32 x i32>* %v3, i32 1
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%v10 = getelementptr <32 x i32>, <32 x i32>* %v4, i32 1
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br i1 %v8, label %b3, label %b2
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b3: ; preds = %b2, %b0
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ret void
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}
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attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length128b" }
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!0 = !{!1, !1, i64 0}
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!1 = !{!"omnipotent char", !2, i64 0}
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!2 = !{!"Simple C/C++ TBAA"}
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