| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx -fast-isel -fast-isel-abort=1 -asm-verbose=0 | FileCheck %s | 
 | ; | 
 | ; Bitcasts between 256-bit vector types are no-ops since no instruction is | 
 | ; needed for the conversion. | 
 |  | 
 | define <4 x i64> @v8i32_to_v4i64(<8 x i32> %a) { | 
 | ;CHECK-LABEL: v8i32_to_v4i64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x i32> %a to <4 x i64> | 
 |   ret <4 x i64> %1 | 
 | } | 
 |  | 
 | define <4 x i64> @v16i16_to_v4i64(<16 x i16> %a) { | 
 | ;CHECK-LABEL: v16i16_to_v4i64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <16 x i16> %a to <4 x i64> | 
 |   ret <4 x i64> %1 | 
 | } | 
 |  | 
 | define <4 x i64> @v32i8_to_v4i64(<32 x i8> %a) { | 
 | ;CHECK-LABEL: v32i8_to_v4i64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <32 x i8> %a to <4 x i64> | 
 |   ret <4 x i64> %1 | 
 | } | 
 |  | 
 | define <4 x i64> @v4f64_to_v4i64(<4 x double> %a) { | 
 | ;CHECK-LABEL: v4f64_to_v4i64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x double> %a to <4 x i64> | 
 |   ret <4 x i64> %1 | 
 | } | 
 |  | 
 | define <4 x i64> @v8f32_to_v4i64(<8 x float> %a) { | 
 | ;CHECK-LABEL: v8f32_to_v4i64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x float> %a to <4 x i64> | 
 |   ret <4 x i64> %1 | 
 | } | 
 |  | 
 | define <8 x i32> @v4i64_to_v8i32(<4 x i64> %a) { | 
 | ;CHECK-LABEL: v4i64_to_v8i32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x i64> %a to <8 x i32> | 
 |   ret <8 x i32> %1 | 
 | } | 
 |  | 
 | define <8 x i32> @v16i16_to_v8i32(<16 x i16> %a) { | 
 | ;CHECK-LABEL: v16i16_to_v8i32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <16 x i16> %a to <8 x i32> | 
 |   ret <8 x i32> %1 | 
 | } | 
 |  | 
 | define <8 x i32> @v32i8_to_v8i32(<32 x i8> %a) { | 
 | ;CHECK-LABEL: v32i8_to_v8i32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <32 x i8> %a to <8 x i32> | 
 |   ret <8 x i32> %1 | 
 | } | 
 |  | 
 | define <8 x i32> @v4f64_to_v8i32(<4 x double> %a) { | 
 | ;CHECK-LABEL: v4f64_to_v8i32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x double> %a to <8 x i32> | 
 |   ret <8 x i32> %1 | 
 | } | 
 |  | 
 | define <8 x i32> @v8f32_to_v8i32(<8 x float> %a) { | 
 | ;CHECK-LABEL: v8f32_to_v8i32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x float> %a to <8 x i32> | 
 |   ret <8 x i32> %1 | 
 | } | 
 |  | 
 | define <16 x i16> @v4i64_to_v16i16(<4 x i64> %a) { | 
 | ;CHECK-LABEL: v4i64_to_v16i16: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x i64> %a to <16 x i16> | 
 |   ret <16 x i16> %1 | 
 | } | 
 |  | 
 | define <16 x i16> @v8i32_to_v16i16(<8 x i32> %a) { | 
 | ;CHECK-LABEL: v8i32_to_v16i16: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x i32> %a to <16 x i16> | 
 |   ret <16 x i16> %1 | 
 | } | 
 |  | 
 | define <16 x i16> @v32i8_to_v16i16(<32 x i8> %a) { | 
 | ;CHECK-LABEL: v32i8_to_v16i16: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <32 x i8> %a to <16 x i16> | 
 |   ret <16 x i16> %1 | 
 | } | 
 |  | 
 | define <16 x i16> @v4f64_to_v16i16(<4 x double> %a) { | 
 | ;CHECK-LABEL: v4f64_to_v16i16: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x double> %a to <16 x i16> | 
 |   ret <16 x i16> %1 | 
 | } | 
 |  | 
 | define <16 x i16> @v8f32_to_v16i16(<8 x float> %a) { | 
 | ;CHECK-LABEL: v8f32_to_v16i16: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x float> %a to <16 x i16> | 
 |   ret <16 x i16> %1 | 
 | } | 
 |  | 
 | define <32 x i8> @v16i16_to_v32i8(<16 x i16> %a) { | 
 | ;CHECK-LABEL: v16i16_to_v32i8: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <16 x i16> %a to <32 x i8> | 
 |   ret <32 x i8> %1 | 
 | } | 
 |  | 
 | define <32 x i8> @v4i64_to_v32i8(<4 x i64> %a) { | 
 | ;CHECK-LABEL: v4i64_to_v32i8: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x i64> %a to <32 x i8> | 
 |   ret <32 x i8> %1 | 
 | } | 
 |  | 
 | define <32 x i8> @v8i32_to_v32i8(<8 x i32> %a) { | 
 | ;CHECK-LABEL: v8i32_to_v32i8: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x i32> %a to <32 x i8> | 
 |   ret <32 x i8> %1 | 
 | } | 
 |  | 
 | define <32 x i8> @v4f64_to_v32i8(<4 x double> %a) { | 
 | ;CHECK-LABEL: v4f64_to_v32i8: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x double> %a to <32 x i8> | 
 |   ret <32 x i8> %1 | 
 | } | 
 |  | 
 | define <32 x i8> @v8f32_to_v32i8(<8 x float> %a) { | 
 | ;CHECK-LABEL: v8f32_to_v32i8: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x float> %a to <32 x i8> | 
 |   ret <32 x i8> %1 | 
 | } | 
 |  | 
 | define <8 x float> @v32i8_to_v8f32(<32 x i8> %a) { | 
 | ;CHECK-LABEL: v32i8_to_v8f32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <32 x i8> %a to <8 x float> | 
 |   ret <8 x float> %1 | 
 | } | 
 |  | 
 | define <8 x float> @v16i16_to_v8f32(<16 x i16> %a) { | 
 | ;CHECK-LABEL: v16i16_to_v8f32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <16 x i16> %a to <8 x float> | 
 |   ret <8 x float> %1 | 
 | } | 
 |  | 
 | define <8 x float> @v4i64_to_v8f32(<4 x i64> %a) { | 
 | ;CHECK-LABEL: v4i64_to_v8f32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x i64> %a to <8 x float> | 
 |   ret <8 x float> %1 | 
 | } | 
 |  | 
 | define <8 x float> @v8i32_to_v8f32(<8 x i32> %a) { | 
 | ;CHECK-LABEL: v8i32_to_v8f32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x i32> %a to <8 x float> | 
 |   ret <8 x float> %1 | 
 | } | 
 |  | 
 | define <8 x float> @v4f64_to_v8f32(<4 x double> %a) { | 
 | ;CHECK-LABEL: v4f64_to_v8f32: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x double> %a to <8 x float> | 
 |   ret <8 x float> %1 | 
 | } | 
 |  | 
 | define <4 x double> @v8f32_to_v4f64(<8 x float> %a) { | 
 | ;CHECK-LABEL: v8f32_to_v4f64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x float> %a to <4 x double> | 
 |   ret <4 x double> %1 | 
 | } | 
 |  | 
 | define <4 x double> @v32i8_to_v4f64(<32 x i8> %a) { | 
 | ;CHECK-LABEL: v32i8_to_v4f64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <32 x i8> %a to <4 x double> | 
 |   ret <4 x double> %1 | 
 | } | 
 |  | 
 | define <4 x double> @v16i16_to_v4f64(<16 x i16> %a) { | 
 | ;CHECK-LABEL: v16i16_to_v4f64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <16 x i16> %a to <4 x double> | 
 |   ret <4 x double> %1 | 
 | } | 
 |  | 
 | define <4 x double> @v4i64_to_v4f64(<4 x i64> %a) { | 
 | ;CHECK-LABEL: v4i64_to_v4f64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <4 x i64> %a to <4 x double> | 
 |   ret <4 x double> %1 | 
 | } | 
 |  | 
 | define <4 x double> @v8i32_to_v4f64(<8 x i32> %a) { | 
 | ;CHECK-LABEL: v8i32_to_v4f64: | 
 | ;CHECK-NEXT: .cfi_startproc | 
 | ;CHECK-NEXT: ret | 
 |   %1 = bitcast <8 x i32> %a to <4 x double> | 
 |   ret <4 x double> %1 | 
 | } |