1 ; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 4 target triple = "x86_64-apple-macosx10.8.0" 5 6 define i32 @foo(i32* noalias nocapture %A, i32* noalias nocapture %B, i32 %start, i32 %end) nounwind uwtable ssp { 7 entry: 8 ;CHECK: cost of 1 {{.*}} icmp 9 %cmp7 = icmp slt i32 %start, %end 10 br i1 %cmp7, label %for.body.lr.ph, label %for.end 11 12 for.body.lr.ph: ; preds = %entry 13 ;CHECK: cost of 1 {{.*}} sext 14 %0 = sext i32 %start to i64 15 %1 = sub i32 %end, %start 16 %2 = zext i32 %1 to i64 17 %end.idx = add i64 %2, %0 18 ;CHECK: cost of 1 {{.*}} add 19 %n.vec = and i64 %2, 4294967288 20 %end.idx.rnd.down = add i64 %n.vec, %0 21 ;CHECK: cost of 1 {{.*}} icmp 22 %cmp.zero = icmp eq i64 %n.vec, 0 23 br i1 %cmp.zero, label %middle.block, label %vector.body 24 25 vector.body: ; preds = %for.body.lr.ph, %vector.body 26 %index = phi i64 [ %index.next, %vector.body ], [ %0, %for.body.lr.ph ] 27 %3 = add i64 %index, 2 28 %4 = getelementptr inbounds i32, i32* %B, i64 %3 29 ;CHECK: cost of 0 {{.*}} bitcast 30 %5 = bitcast i32* %4 to <8 x i32>* 31 ;CHECK: cost of 2 {{.*}} load 32 %6 = load <8 x i32>, <8 x i32>* %5, align 4 33 ;CHECK: cost of 4 {{.*}} mul 34 %7 = mul nsw <8 x i32> %6, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5> 35 %8 = getelementptr inbounds i32, i32* %A, i64 %index 36 %9 = bitcast i32* %8 to <8 x i32>* 37 ;CHECK: cost of 2 {{.*}} load 38 %10 = load <8 x i32>, <8 x i32>* %9, align 4 39 ;CHECK: cost of 4 {{.*}} add 40 %11 = add nsw <8 x i32> %10, %7 41 ;CHECK: cost of 2 {{.*}} store 42 store <8 x i32> %11, <8 x i32>* %9, align 4 43 %index.next = add i64 %index, 8 44 %12 = icmp eq i64 %index.next, %end.idx.rnd.down 45 ;CHECK: cost of 0 {{.*}} br 46 br i1 %12, label %middle.block, label %vector.body 47 48 middle.block: ; preds = %vector.body, %for.body.lr.ph 49 %cmp.n = icmp eq i64 %end.idx, %end.idx.rnd.down 50 br i1 %cmp.n, label %for.end, label %for.body 51 52 for.body: ; preds = %middle.block, %for.body 53 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ %end.idx.rnd.down, %middle.block ] 54 %13 = add nsw i64 %indvars.iv, 2 55 %arrayidx = getelementptr inbounds i32, i32* %B, i64 %13 56 ;CHECK: cost of 1 {{.*}} load 57 %14 = load i32, i32* %arrayidx, align 4 58 ;CHECK: cost of 1 {{.*}} mul 59 %mul = mul nsw i32 %14, 5 60 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 61 ;CHECK: cost of 1 {{.*}} load 62 %15 = load i32, i32* %arrayidx2, align 4 63 %add3 = add nsw i32 %15, %mul 64 store i32 %add3, i32* %arrayidx2, align 4 65 %indvars.iv.next = add i64 %indvars.iv, 1 66 ;CHECK: cost of 0 {{.*}} trunc 67 %16 = trunc i64 %indvars.iv.next to i32 68 %cmp = icmp slt i32 %16, %end 69 ;CHECK: cost of 0 {{.*}} br 70 br i1 %cmp, label %for.body, label %for.end 71 72 for.end: ; preds = %middle.block, %for.body, %entry 73 ;CHECK: cost of 0 {{.*}} ret 74 ret i32 undef 75 } 76
