; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s | |
; Make sure that the conversion between v4i8 to v2i16 is not a simple bitcast. | |
; CHECK: prom_bug | |
; CHECK: shufb | |
; CHECK: movd | |
; CHECK: movw | |
; CHECK: ret | |
define void @prom_bug(<4 x i8> %t, i16* %p) { | |
%r = bitcast <4 x i8> %t to <2 x i16> | |
%o = extractelement <2 x i16> %r, i32 0 | |
store i16 %o, i16* %p | |
ret void | |
} | |