38 lines
1.5 KiB
LLVM
38 lines
1.5 KiB
LLVM
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; RUN: llc -march=hexagon -debug-only=isel < %s 2>&1 | FileCheck %s
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; REQUIRES: asserts
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; Check that the generated post-increment load has TBAA information.
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; CHECK-LABEL: Machine code for function fred:
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; CHECK: = V6_vL32b_pi %{{[0-9]+}}{{[^,]*}}, 64 :: (load 64{{.*}}!tbaa
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target triple = "hexagon"
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; Function Attrs: norecurse nounwind
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define void @fred(<16 x i32>* nocapture %p, <16 x i32>* nocapture readonly %q, i32 %n) local_unnamed_addr #0 {
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entry:
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%tobool2 = icmp eq i32 %n, 0
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br i1 %tobool2, label %while.end, label %while.body
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while.body: ; preds = %entry, %while.body
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%n.addr.05 = phi i32 [ %dec, %while.body ], [ %n, %entry ]
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%q.addr.04 = phi <16 x i32>* [ %incdec.ptr, %while.body ], [ %q, %entry ]
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%p.addr.03 = phi <16 x i32>* [ %incdec.ptr1, %while.body ], [ %p, %entry ]
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%dec = add i32 %n.addr.05, -1
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%incdec.ptr = getelementptr inbounds <16 x i32>, <16 x i32>* %q.addr.04, i32 1
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%0 = load <16 x i32>, <16 x i32>* %q.addr.04, align 64, !tbaa !1
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%incdec.ptr1 = getelementptr inbounds <16 x i32>, <16 x i32>* %p.addr.03, i32 1
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store <16 x i32> %0, <16 x i32>* %p.addr.03, align 64, !tbaa !1
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%tobool = icmp eq i32 %dec, 0
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br i1 %tobool, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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ret void
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}
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attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" }
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!1 = !{!2, !2, i64 0}
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!2 = !{!"omnipotent char", !3, i64 0}
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!3 = !{!"Simple C/C++ TBAA"}
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