|  | ; RUN: llc < %s -march=x86-64 -O0 | 
|  | ; PR8211 | 
|  | 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" | 
|  | target triple = "x86_64-unknown-linux-gnu" | 
|  |  | 
|  | module asm "\09.ident\09\22GCC: (GNU) 4.5.2 20100914 (prerelease) LLVM: 114628\22" | 
|  |  | 
|  | %"int[]" = type [4 x i32] | 
|  | %0 = type { %"int[]" } | 
|  | %float = type float | 
|  | %"float[]" = type [4 x float] | 
|  | %int = type i32 | 
|  | %"long unsigned int" = type i64 | 
|  |  | 
|  | define void @swizzle(i8* %a, %0* %b, %0* %c) nounwind { | 
|  | entry: | 
|  | %a_addr = alloca i8* | 
|  | %b_addr = alloca %0* | 
|  | %c_addr = alloca %0* | 
|  | %"alloca point" = bitcast i32 0 to i32 | 
|  | store i8* %a, i8** %a_addr | 
|  | store %0* %b, %0** %b_addr | 
|  | store %0* %c, %0** %c_addr | 
|  | %0 = load i8** %a_addr, align 64 | 
|  | %1 = load %0** %b_addr, align 64 | 
|  | %2 = load %0** %c_addr, align 64 | 
|  | %"ssa point" = bitcast i32 0 to i32 | 
|  | br label %"2" | 
|  |  | 
|  | "2":                                              ; preds = %entry | 
|  | %3 = bitcast i8* %0 to <2 x i32>* | 
|  | %4 = getelementptr inbounds %0* %1, i32 0, i32 0 | 
|  | %5 = bitcast %"int[]"* %4 to <4 x float>* | 
|  | %6 = load <4 x float>* %5, align 16 | 
|  | %7 = bitcast <2 x i32>* %3 to <2 x float>* | 
|  | %8 = bitcast <2 x float>* %7 to double* | 
|  | %9 = load double* %8 | 
|  | %10 = insertelement <2 x double> undef, double %9, i32 0 | 
|  | %11 = insertelement <2 x double> %10, double undef, i32 1 | 
|  | %12 = bitcast <2 x double> %11 to <4 x float> | 
|  | %13 = shufflevector <4 x float> %6, <4 x float> %12, <4 x i32> <i32 4, i32 5, i32 2, i32 3> | 
|  | %14 = getelementptr inbounds %0* %1, i32 0, i32 0 | 
|  | %15 = bitcast %"int[]"* %14 to <4 x float>* | 
|  | store <4 x float> %13, <4 x float>* %15, align 16 | 
|  | %16 = bitcast i8* %0 to <2 x i32>* | 
|  | %17 = bitcast <2 x i32>* %16 to i8* | 
|  | %18 = getelementptr i8* %17, i64 8 | 
|  | %19 = bitcast i8* %18 to <2 x i32>* | 
|  | %20 = getelementptr inbounds %0* %2, i32 0, i32 0 | 
|  | %21 = bitcast %"int[]"* %20 to <4 x float>* | 
|  | %22 = load <4 x float>* %21, align 16 | 
|  | %23 = bitcast <2 x i32>* %19 to <2 x float>* | 
|  | %24 = bitcast <2 x float>* %23 to double* | 
|  | %25 = load double* %24 | 
|  | %26 = insertelement <2 x double> undef, double %25, i32 0 | 
|  | %27 = insertelement <2 x double> %26, double undef, i32 1 | 
|  | %28 = bitcast <2 x double> %27 to <4 x float> | 
|  | %29 = shufflevector <4 x float> %22, <4 x float> %28, <4 x i32> <i32 4, i32 5, i32 2, i32 3> | 
|  | %30 = getelementptr inbounds %0* %2, i32 0, i32 0 | 
|  | %31 = bitcast %"int[]"* %30 to <4 x float>* | 
|  | store <4 x float> %29, <4 x float>* %31, align 16 | 
|  | br label %return | 
|  |  | 
|  | return:                                           ; preds = %"2" | 
|  | ret void | 
|  | } |