blob: 6572964685e36ad2e7101d4d0d39b2551c06a622 [file] [log] [blame]
; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: if (p{{[0-3]}}) v{{[0-9]+}} = v{{[0-9]+}}
target triple = "hexagon"
; Function Attrs: nounwind
define void @fast9_detect_coarse(ptr nocapture readnone %img, i32 %xsize, i32 %stride, i32 %barrier, ptr nocapture %bitmask, i32 %boundary) #0 {
entry:
%0 = mul i32 %boundary, -2
%sub = add i32 %0, %xsize
%rem = and i32 %boundary, 63
%add = add i32 %sub, %rem
%1 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 -1)
%2 = tail call <16 x i32> @llvm.hexagon.V6.lvsplatw(i32 1)
%3 = tail call <64 x i1> @llvm.hexagon.V6.pred.scalar2(i32 %add)
%4 = tail call <16 x i32> @llvm.hexagon.V6.vandqrt.acc(<16 x i32> %2, <64 x i1> %3, i32 12)
%and4 = and i32 %add, 511
%cmp = icmp eq i32 %and4, 0
%sMaskR.0 = select i1 %cmp, <16 x i32> %1, <16 x i32> %4
%cmp547 = icmp sgt i32 %add, 0
br i1 %cmp547, label %for.body.lr.ph, label %for.end
for.body.lr.ph: ; preds = %entry
%5 = tail call <64 x i1> @llvm.hexagon.V6.pred.scalar2(i32 %boundary)
%6 = tail call <16 x i32> @llvm.hexagon.V6.vandqrt(<64 x i1> %5, i32 16843009)
%7 = tail call <16 x i32> @llvm.hexagon.V6.vnot(<16 x i32> %6)
%8 = add i32 %rem, %xsize
%9 = add i32 %8, -1
%10 = add i32 %9, %0
%11 = lshr i32 %10, 9
%12 = mul i32 %11, 16
%13 = add nuw nsw i32 %12, 16
%scevgep = getelementptr i32, ptr %bitmask, i32 %13
br label %for.body
for.body: ; preds = %for.body.lr.ph, %for.body
%i.050 = phi i32 [ %add, %for.body.lr.ph ], [ %sub6, %for.body ]
%sMask.049 = phi <16 x i32> [ %7, %for.body.lr.ph ], [ %1, %for.body ]
%optr.048 = phi ptr [ %bitmask, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
%14 = tail call <16 x i32> @llvm.hexagon.V6.vand(<16 x i32> undef, <16 x i32> %sMask.049)
%incdec.ptr = getelementptr inbounds <16 x i32>, ptr %optr.048, i32 1
store <16 x i32> %14, ptr %optr.048, align 64
%sub6 = add nsw i32 %i.050, -512
%cmp5 = icmp sgt i32 %sub6, 0
br i1 %cmp5, label %for.body, label %for.cond.for.end_crit_edge
for.cond.for.end_crit_edge: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.cond.for.end_crit_edge, %entry
%optr.0.lcssa = phi ptr [ %scevgep, %for.cond.for.end_crit_edge ], [ %bitmask, %entry ]
%15 = load <16 x i32>, ptr %optr.0.lcssa, align 64
%16 = tail call <16 x i32> @llvm.hexagon.V6.vand(<16 x i32> %15, <16 x i32> %sMaskR.0)
store <16 x i32> %16, ptr %optr.0.lcssa, align 64
ret void
}
declare <16 x i32> @llvm.hexagon.V6.lvsplatw(i32) #1
declare <64 x i1> @llvm.hexagon.V6.pred.scalar2(i32) #1
declare <16 x i32> @llvm.hexagon.V6.vandqrt.acc(<16 x i32>, <64 x i1>, i32) #1
declare <16 x i32> @llvm.hexagon.V6.vandqrt(<64 x i1>, i32) #1
declare <16 x i32> @llvm.hexagon.V6.vnot(<16 x i32>) #1
declare <16 x i32> @llvm.hexagon.V6.vand(<16 x i32>, <16 x i32>) #1
attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" }
attributes #1 = { nounwind readnone }