1; RUN: llc < %s -march=x86-64 -O0 2; PR8211 3target 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" 4target triple = "x86_64-unknown-linux-gnu" 5 6module asm "\09.ident\09\22GCC: (GNU) 4.5.2 20100914 (prerelease) LLVM: 114628\22" 7 8%"int[]" = type [4 x i32] 9%0 = type { %"int[]" } 10%float = type float 11%"float[]" = type [4 x float] 12%int = type i32 13%"long unsigned int" = type i64 14 15define void @swizzle(i8* %a, %0* %b, %0* %c) nounwind { 16entry: 17 %a_addr = alloca i8* 18 %b_addr = alloca %0* 19 %c_addr = alloca %0* 20 %"alloca point" = bitcast i32 0 to i32 21 store i8* %a, i8** %a_addr 22 store %0* %b, %0** %b_addr 23 store %0* %c, %0** %c_addr 24 %0 = load i8** %a_addr, align 64 25 %1 = load %0** %b_addr, align 64 26 %2 = load %0** %c_addr, align 64 27 %"ssa point" = bitcast i32 0 to i32 28 br label %"2" 29 30"2": ; preds = %entry 31 %3 = bitcast i8* %0 to <2 x i32>* 32 %4 = getelementptr inbounds %0* %1, i32 0, i32 0 33 %5 = bitcast %"int[]"* %4 to <4 x float>* 34 %6 = load <4 x float>* %5, align 16 35 %7 = bitcast <2 x i32>* %3 to <2 x float>* 36 %8 = bitcast <2 x float>* %7 to double* 37 %9 = load double* %8 38 %10 = insertelement <2 x double> undef, double %9, i32 0 39 %11 = insertelement <2 x double> %10, double undef, i32 1 40 %12 = bitcast <2 x double> %11 to <4 x float> 41 %13 = shufflevector <4 x float> %6, <4 x float> %12, <4 x i32> <i32 4, i32 5, i32 2, i32 3> 42 %14 = getelementptr inbounds %0* %1, i32 0, i32 0 43 %15 = bitcast %"int[]"* %14 to <4 x float>* 44 store <4 x float> %13, <4 x float>* %15, align 16 45 %16 = bitcast i8* %0 to <2 x i32>* 46 %17 = bitcast <2 x i32>* %16 to i8* 47 %18 = getelementptr i8* %17, i64 8 48 %19 = bitcast i8* %18 to <2 x i32>* 49 %20 = getelementptr inbounds %0* %2, i32 0, i32 0 50 %21 = bitcast %"int[]"* %20 to <4 x float>* 51 %22 = load <4 x float>* %21, align 16 52 %23 = bitcast <2 x i32>* %19 to <2 x float>* 53 %24 = bitcast <2 x float>* %23 to double* 54 %25 = load double* %24 55 %26 = insertelement <2 x double> undef, double %25, i32 0 56 %27 = insertelement <2 x double> %26, double undef, i32 1 57 %28 = bitcast <2 x double> %27 to <4 x float> 58 %29 = shufflevector <4 x float> %22, <4 x float> %28, <4 x i32> <i32 4, i32 5, i32 2, i32 3> 59 %30 = getelementptr inbounds %0* %2, i32 0, i32 0 60 %31 = bitcast %"int[]"* %30 to <4 x float>* 61 store <4 x float> %29, <4 x float>* %31, align 16 62 br label %return 63 64return: ; preds = %"2" 65 ret void 66} 67