|  | ; RUN: llc < %s | FileCheck %s | 
|  | target datalayout = "E-m:e-i64:64-n32:64" | 
|  | target triple = "powerpc64-unknown-linux-gnu" | 
|  |  | 
|  | ; Function Attrs: nounwind | 
|  | define void @foo(double* noalias nocapture %a, double* noalias nocapture readonly %b) #0 { | 
|  | entry: | 
|  | br label %vector.body | 
|  |  | 
|  | ; CHECK-LABEL: @foo | 
|  | ; Make sure that the offset constants we use are all even (only the last should be odd). | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1056 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1088 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1152 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1216 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1280 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1344 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1408 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1472 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1536 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1600 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1568 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1664 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1632 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1728 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1696 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1792 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1760 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1856 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1824 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1920 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1888 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1984 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1952 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 2016 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1024 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1120 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1184 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1248 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1312 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1376 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1440 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 1504 | 
|  | ; CHECK-DAG: li {{[0-9]+}}, 2047 | 
|  | ; CHECK: blr | 
|  |  | 
|  | vector.body:                                      ; preds = %vector.body, %entry | 
|  | %index = phi i64 [ 0, %entry ], [ %index.next.15, %vector.body ] | 
|  | %0 = shl i64 %index, 1 | 
|  | %1 = getelementptr inbounds double, double* %b, i64 %0 | 
|  | %2 = bitcast double* %1 to <8 x double>* | 
|  | %wide.vec = load <8 x double>, <8 x double>* %2, align 8 | 
|  | %strided.vec = shufflevector <8 x double> %wide.vec, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %3 = fadd <4 x double> %strided.vec, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %4 = getelementptr inbounds double, double* %a, i64 %index | 
|  | %5 = bitcast double* %4 to <4 x double>* | 
|  | store <4 x double> %3, <4 x double>* %5, align 8 | 
|  | %index.next = or i64 %index, 4 | 
|  | %6 = shl i64 %index.next, 1 | 
|  | %7 = getelementptr inbounds double, double* %b, i64 %6 | 
|  | %8 = bitcast double* %7 to <8 x double>* | 
|  | %wide.vec.1 = load <8 x double>, <8 x double>* %8, align 8 | 
|  | %strided.vec.1 = shufflevector <8 x double> %wide.vec.1, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %9 = fadd <4 x double> %strided.vec.1, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %10 = getelementptr inbounds double, double* %a, i64 %index.next | 
|  | %11 = bitcast double* %10 to <4 x double>* | 
|  | store <4 x double> %9, <4 x double>* %11, align 8 | 
|  | %index.next.1 = or i64 %index, 8 | 
|  | %12 = shl i64 %index.next.1, 1 | 
|  | %13 = getelementptr inbounds double, double* %b, i64 %12 | 
|  | %14 = bitcast double* %13 to <8 x double>* | 
|  | %wide.vec.2 = load <8 x double>, <8 x double>* %14, align 8 | 
|  | %strided.vec.2 = shufflevector <8 x double> %wide.vec.2, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %15 = fadd <4 x double> %strided.vec.2, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %16 = getelementptr inbounds double, double* %a, i64 %index.next.1 | 
|  | %17 = bitcast double* %16 to <4 x double>* | 
|  | store <4 x double> %15, <4 x double>* %17, align 8 | 
|  | %index.next.2 = or i64 %index, 12 | 
|  | %18 = shl i64 %index.next.2, 1 | 
|  | %19 = getelementptr inbounds double, double* %b, i64 %18 | 
|  | %20 = bitcast double* %19 to <8 x double>* | 
|  | %wide.vec.3 = load <8 x double>, <8 x double>* %20, align 8 | 
|  | %strided.vec.3 = shufflevector <8 x double> %wide.vec.3, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %21 = fadd <4 x double> %strided.vec.3, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %22 = getelementptr inbounds double, double* %a, i64 %index.next.2 | 
|  | %23 = bitcast double* %22 to <4 x double>* | 
|  | store <4 x double> %21, <4 x double>* %23, align 8 | 
|  | %index.next.3 = or i64 %index, 16 | 
|  | %24 = shl i64 %index.next.3, 1 | 
|  | %25 = getelementptr inbounds double, double* %b, i64 %24 | 
|  | %26 = bitcast double* %25 to <8 x double>* | 
|  | %wide.vec.4 = load <8 x double>, <8 x double>* %26, align 8 | 
|  | %strided.vec.4 = shufflevector <8 x double> %wide.vec.4, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %27 = fadd <4 x double> %strided.vec.4, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %28 = getelementptr inbounds double, double* %a, i64 %index.next.3 | 
|  | %29 = bitcast double* %28 to <4 x double>* | 
|  | store <4 x double> %27, <4 x double>* %29, align 8 | 
|  | %index.next.4 = or i64 %index, 20 | 
|  | %30 = shl i64 %index.next.4, 1 | 
|  | %31 = getelementptr inbounds double, double* %b, i64 %30 | 
|  | %32 = bitcast double* %31 to <8 x double>* | 
|  | %wide.vec.5 = load <8 x double>, <8 x double>* %32, align 8 | 
|  | %strided.vec.5 = shufflevector <8 x double> %wide.vec.5, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %33 = fadd <4 x double> %strided.vec.5, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %34 = getelementptr inbounds double, double* %a, i64 %index.next.4 | 
|  | %35 = bitcast double* %34 to <4 x double>* | 
|  | store <4 x double> %33, <4 x double>* %35, align 8 | 
|  | %index.next.5 = or i64 %index, 24 | 
|  | %36 = shl i64 %index.next.5, 1 | 
|  | %37 = getelementptr inbounds double, double* %b, i64 %36 | 
|  | %38 = bitcast double* %37 to <8 x double>* | 
|  | %wide.vec.6 = load <8 x double>, <8 x double>* %38, align 8 | 
|  | %strided.vec.6 = shufflevector <8 x double> %wide.vec.6, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %39 = fadd <4 x double> %strided.vec.6, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %40 = getelementptr inbounds double, double* %a, i64 %index.next.5 | 
|  | %41 = bitcast double* %40 to <4 x double>* | 
|  | store <4 x double> %39, <4 x double>* %41, align 8 | 
|  | %index.next.6 = or i64 %index, 28 | 
|  | %42 = shl i64 %index.next.6, 1 | 
|  | %43 = getelementptr inbounds double, double* %b, i64 %42 | 
|  | %44 = bitcast double* %43 to <8 x double>* | 
|  | %wide.vec.7 = load <8 x double>, <8 x double>* %44, align 8 | 
|  | %strided.vec.7 = shufflevector <8 x double> %wide.vec.7, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %45 = fadd <4 x double> %strided.vec.7, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %46 = getelementptr inbounds double, double* %a, i64 %index.next.6 | 
|  | %47 = bitcast double* %46 to <4 x double>* | 
|  | store <4 x double> %45, <4 x double>* %47, align 8 | 
|  | %index.next.7 = or i64 %index, 32 | 
|  | %48 = shl i64 %index.next.7, 1 | 
|  | %49 = getelementptr inbounds double, double* %b, i64 %48 | 
|  | %50 = bitcast double* %49 to <8 x double>* | 
|  | %wide.vec.8 = load <8 x double>, <8 x double>* %50, align 8 | 
|  | %strided.vec.8 = shufflevector <8 x double> %wide.vec.8, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %51 = fadd <4 x double> %strided.vec.8, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %52 = getelementptr inbounds double, double* %a, i64 %index.next.7 | 
|  | %53 = bitcast double* %52 to <4 x double>* | 
|  | store <4 x double> %51, <4 x double>* %53, align 8 | 
|  | %index.next.8 = or i64 %index, 36 | 
|  | %54 = shl i64 %index.next.8, 1 | 
|  | %55 = getelementptr inbounds double, double* %b, i64 %54 | 
|  | %56 = bitcast double* %55 to <8 x double>* | 
|  | %wide.vec.9 = load <8 x double>, <8 x double>* %56, align 8 | 
|  | %strided.vec.9 = shufflevector <8 x double> %wide.vec.9, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %57 = fadd <4 x double> %strided.vec.9, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %58 = getelementptr inbounds double, double* %a, i64 %index.next.8 | 
|  | %59 = bitcast double* %58 to <4 x double>* | 
|  | store <4 x double> %57, <4 x double>* %59, align 8 | 
|  | %index.next.9 = or i64 %index, 40 | 
|  | %60 = shl i64 %index.next.9, 1 | 
|  | %61 = getelementptr inbounds double, double* %b, i64 %60 | 
|  | %62 = bitcast double* %61 to <8 x double>* | 
|  | %wide.vec.10 = load <8 x double>, <8 x double>* %62, align 8 | 
|  | %strided.vec.10 = shufflevector <8 x double> %wide.vec.10, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %63 = fadd <4 x double> %strided.vec.10, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %64 = getelementptr inbounds double, double* %a, i64 %index.next.9 | 
|  | %65 = bitcast double* %64 to <4 x double>* | 
|  | store <4 x double> %63, <4 x double>* %65, align 8 | 
|  | %index.next.10 = or i64 %index, 44 | 
|  | %66 = shl i64 %index.next.10, 1 | 
|  | %67 = getelementptr inbounds double, double* %b, i64 %66 | 
|  | %68 = bitcast double* %67 to <8 x double>* | 
|  | %wide.vec.11 = load <8 x double>, <8 x double>* %68, align 8 | 
|  | %strided.vec.11 = shufflevector <8 x double> %wide.vec.11, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %69 = fadd <4 x double> %strided.vec.11, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %70 = getelementptr inbounds double, double* %a, i64 %index.next.10 | 
|  | %71 = bitcast double* %70 to <4 x double>* | 
|  | store <4 x double> %69, <4 x double>* %71, align 8 | 
|  | %index.next.11 = or i64 %index, 48 | 
|  | %72 = shl i64 %index.next.11, 1 | 
|  | %73 = getelementptr inbounds double, double* %b, i64 %72 | 
|  | %74 = bitcast double* %73 to <8 x double>* | 
|  | %wide.vec.12 = load <8 x double>, <8 x double>* %74, align 8 | 
|  | %strided.vec.12 = shufflevector <8 x double> %wide.vec.12, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %75 = fadd <4 x double> %strided.vec.12, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %76 = getelementptr inbounds double, double* %a, i64 %index.next.11 | 
|  | %77 = bitcast double* %76 to <4 x double>* | 
|  | store <4 x double> %75, <4 x double>* %77, align 8 | 
|  | %index.next.12 = or i64 %index, 52 | 
|  | %78 = shl i64 %index.next.12, 1 | 
|  | %79 = getelementptr inbounds double, double* %b, i64 %78 | 
|  | %80 = bitcast double* %79 to <8 x double>* | 
|  | %wide.vec.13 = load <8 x double>, <8 x double>* %80, align 8 | 
|  | %strided.vec.13 = shufflevector <8 x double> %wide.vec.13, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %81 = fadd <4 x double> %strided.vec.13, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %82 = getelementptr inbounds double, double* %a, i64 %index.next.12 | 
|  | %83 = bitcast double* %82 to <4 x double>* | 
|  | store <4 x double> %81, <4 x double>* %83, align 8 | 
|  | %index.next.13 = or i64 %index, 56 | 
|  | %84 = shl i64 %index.next.13, 1 | 
|  | %85 = getelementptr inbounds double, double* %b, i64 %84 | 
|  | %86 = bitcast double* %85 to <8 x double>* | 
|  | %wide.vec.14 = load <8 x double>, <8 x double>* %86, align 8 | 
|  | %strided.vec.14 = shufflevector <8 x double> %wide.vec.14, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %87 = fadd <4 x double> %strided.vec.14, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %88 = getelementptr inbounds double, double* %a, i64 %index.next.13 | 
|  | %89 = bitcast double* %88 to <4 x double>* | 
|  | store <4 x double> %87, <4 x double>* %89, align 8 | 
|  | %index.next.14 = or i64 %index, 60 | 
|  | %90 = shl i64 %index.next.14, 1 | 
|  | %91 = getelementptr inbounds double, double* %b, i64 %90 | 
|  | %92 = bitcast double* %91 to <8 x double>* | 
|  | %wide.vec.15 = load <8 x double>, <8 x double>* %92, align 8 | 
|  | %strided.vec.15 = shufflevector <8 x double> %wide.vec.15, <8 x double> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6> | 
|  | %93 = fadd <4 x double> %strided.vec.15, <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00> | 
|  | %94 = getelementptr inbounds double, double* %a, i64 %index.next.14 | 
|  | %95 = bitcast double* %94 to <4 x double>* | 
|  | store <4 x double> %93, <4 x double>* %95, align 8 | 
|  | %index.next.15 = add nsw i64 %index, 64 | 
|  | %96 = icmp eq i64 %index.next.15, 1600 | 
|  | br i1 %96, label %for.cond.cleanup, label %vector.body | 
|  |  | 
|  | for.cond.cleanup:                                 ; preds = %vector.body | 
|  | ret void | 
|  | } | 
|  |  | 
|  | attributes #0 = { nounwind "target-cpu"="a2q" } | 
|  |  |