| ; RUN: llc < %s -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(ptr %a, ptr %b, ptr %c) nounwind { |
| entry: |
| %a_addr = alloca ptr |
| %b_addr = alloca ptr |
| %c_addr = alloca ptr |
| %"alloca point" = bitcast i32 0 to i32 |
| store ptr %a, ptr %a_addr |
| store ptr %b, ptr %b_addr |
| store ptr %c, ptr %c_addr |
| %0 = load ptr, ptr %a_addr, align 64 |
| %1 = load ptr, ptr %b_addr, align 64 |
| %2 = load ptr, ptr %c_addr, align 64 |
| %"ssa point" = bitcast i32 0 to i32 |
| br label %"2" |
| |
| "2": ; preds = %entry |
| %3 = load <4 x float>, ptr %1, align 16 |
| %4 = load double, ptr %0 |
| %5 = insertelement <2 x double> undef, double %4, i32 0 |
| %6 = insertelement <2 x double> %5, double undef, i32 1 |
| %7 = bitcast <2 x double> %6 to <4 x float> |
| %8 = shufflevector <4 x float> %3, <4 x float> %7, <4 x i32> <i32 4, i32 5, i32 2, i32 3> |
| store <4 x float> %8, ptr %1, align 16 |
| %9 = getelementptr i8, ptr %0, i64 8 |
| %10 = load <4 x float>, ptr %2, align 16 |
| %11 = load double, ptr %9 |
| %12 = insertelement <2 x double> undef, double %11, i32 0 |
| %13 = insertelement <2 x double> %12, double undef, i32 1 |
| %14 = bitcast <2 x double> %13 to <4 x float> |
| %15 = shufflevector <4 x float> %10, <4 x float> %14, <4 x i32> <i32 4, i32 5, i32 2, i32 3> |
| store <4 x float> %15, ptr %2, align 16 |
| br label %return |
| |
| return: ; preds = %"2" |
| ret void |
| } |