; 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*, i8** %a_addr, align 64 %1 = load %0*, %0** %b_addr, align 64 %2 = load %0*, %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, %0* %1, i32 0, i32 0 %5 = bitcast %"int[]"* %4 to <4 x float>* %6 = load <4 x float>, <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, 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, %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, i8* %17, i64 8 %19 = bitcast i8* %18 to <2 x i32>* %20 = getelementptr inbounds %0, %0* %2, i32 0, i32 0 %21 = bitcast %"int[]"* %20 to <4 x float>* %22 = load <4 x float>, <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, 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, %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 }