1; RUN: llc < %s -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(ptr %a, ptr %b, ptr %c) nounwind { 16entry: 17 %a_addr = alloca ptr 18 %b_addr = alloca ptr 19 %c_addr = alloca ptr 20 %"alloca point" = bitcast i32 0 to i32 21 store ptr %a, ptr %a_addr 22 store ptr %b, ptr %b_addr 23 store ptr %c, ptr %c_addr 24 %0 = load ptr, ptr %a_addr, align 64 25 %1 = load ptr, ptr %b_addr, align 64 26 %2 = load ptr, ptr %c_addr, align 64 27 %"ssa point" = bitcast i32 0 to i32 28 br label %"2" 29 30"2": ; preds = %entry 31 %3 = load <4 x float>, ptr %1, align 16 32 %4 = load double, ptr %0 33 %5 = insertelement <2 x double> undef, double %4, i32 0 34 %6 = insertelement <2 x double> %5, double undef, i32 1 35 %7 = bitcast <2 x double> %6 to <4 x float> 36 %8 = shufflevector <4 x float> %3, <4 x float> %7, <4 x i32> <i32 4, i32 5, i32 2, i32 3> 37 store <4 x float> %8, ptr %1, align 16 38 %9 = getelementptr i8, ptr %0, i64 8 39 %10 = load <4 x float>, ptr %2, align 16 40 %11 = load double, ptr %9 41 %12 = insertelement <2 x double> undef, double %11, i32 0 42 %13 = insertelement <2 x double> %12, double undef, i32 1 43 %14 = bitcast <2 x double> %13 to <4 x float> 44 %15 = shufflevector <4 x float> %10, <4 x float> %14, <4 x i32> <i32 4, i32 5, i32 2, i32 3> 45 store <4 x float> %15, ptr %2, align 16 46 br label %return 47 48return: ; preds = %"2" 49 ret void 50} 51