1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 3 target triple = "hexagon-unknown--elf" 4 5 ; Check that we can predicate base+offset vector stores. 6 ; CHECK-LABEL: sammy 7 ; CHECK: if{{.*}}vmem(r{{[0-9]+}}+#0) = 8 define void @sammy(<16 x i32>* nocapture %p, <16 x i32>* nocapture readonly %q, i32 %n) #0 { 9 entry: 10 %0 = load <16 x i32>, <16 x i32>* %q, align 64 11 %sub = add nsw i32 %n, -1 12 br label %for.body 13 14 for.body: ; preds = %if.end, %entry 15 %p.addr.011 = phi <16 x i32>* [ %p, %entry ], [ %incdec.ptr, %if.end ] 16 %i.010 = phi i32 [ 0, %entry ], [ %add, %if.end ] 17 %mul = mul nsw i32 %i.010, %sub 18 %add = add nuw nsw i32 %i.010, 1 19 %mul1 = mul nsw i32 %add, %n 20 %cmp2 = icmp slt i32 %mul, %mul1 21 br i1 %cmp2, label %if.then, label %if.end 22 23 if.then: ; preds = %for.body 24 store <16 x i32> %0, <16 x i32>* %p.addr.011, align 64 25 br label %if.end 26 27 if.end: ; preds = %if.then, %for.body 28 %incdec.ptr = getelementptr inbounds <16 x i32>, <16 x i32>* %p.addr.011, i32 1 29 %exitcond = icmp eq i32 %add, 100 30 br i1 %exitcond, label %for.end, label %for.body 31 32 for.end: ; preds = %if.end 33 ret void 34 } 35 36 ; Check that we can predicate post-increment vector stores. 37 ; CHECK-LABEL: danny 38 ; CHECK: if{{.*}}vmem(r{{[0-9]+}}++#1) = 39 define void @danny(<16 x i32>* nocapture %p, <16 x i32>* nocapture readonly %q, i32 %n) #0 { 40 entry: 41 %0 = load <16 x i32>, <16 x i32>* %q, align 64 42 %sub = add nsw i32 %n, -1 43 br label %for.body 44 45 for.body: ; preds = %if.end, %entry 46 %p.addr.012 = phi <16 x i32>* [ %p, %entry ], [ %incdec.ptr3, %if.end ] 47 %i.011 = phi i32 [ 0, %entry ], [ %add, %if.end ] 48 %mul = mul nsw i32 %i.011, %sub 49 %add = add nuw nsw i32 %i.011, 1 50 %mul1 = mul nsw i32 %add, %n 51 %cmp2 = icmp slt i32 %mul, %mul1 52 br i1 %cmp2, label %if.then, label %if.end 53 54 if.then: ; preds = %for.body 55 %incdec.ptr = getelementptr inbounds <16 x i32>, <16 x i32>* %p.addr.012, i32 1 56 store <16 x i32> %0, <16 x i32>* %p.addr.012, align 64 57 br label %if.end 58 59 if.end: ; preds = %if.then, %for.body 60 %p.addr.1 = phi <16 x i32>* [ %incdec.ptr, %if.then ], [ %p.addr.012, %for.body ] 61 %incdec.ptr3 = getelementptr inbounds <16 x i32>, <16 x i32>* %p.addr.1, i32 1 62 %exitcond = icmp eq i32 %add, 100 63 br i1 %exitcond, label %for.end, label %for.body 64 65 for.end: ; preds = %if.end 66 ret void 67 } 68 69 attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="+hvxv60,+hvx-length64b" } 70
