| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s |
| ; ModuleID = '<stdin>' |
| 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-S128" |
| target triple = "x86_64-apple-darwin11.2.0" |
| |
| ; During legalization, the vselect mask is 'type legalized' into a |
| ; wider BUILD_VECTOR. This causes the introduction of a new |
| ; sign_extend_inreg in the DAG. |
| ; |
| ; A sign_extend_inreg of a vector of ConstantSDNode or undef can be |
| ; always folded into a simple build_vector. |
| ; |
| ; Make sure that the sign_extend_inreg is simplified and that we |
| ; don't generate psll, psraw and pblendvb from the vselect. |
| |
| ; CHECK-LABEL: foo8 |
| ; CHECK-NOT: psll |
| ; CHECK-NOT: psraw |
| ; CHECK-NOT: pblendvb |
| ; CHECK: ret |
| define void @foo8(float* nocapture %RET) nounwind { |
| allocas: |
| %resultvec.i = select <8 x i1> <i1 false, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true>, <8 x i8> <i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8>, <8 x i8> <i8 100, i8 100, i8 100, i8 100, i8 100, i8 100, i8 100, i8 100> |
| %uint2float = uitofp <8 x i8> %resultvec.i to <8 x float> |
| %ptr = bitcast float * %RET to <8 x float> * |
| store <8 x float> %uint2float, <8 x float>* %ptr, align 4 |
| ret void |
| } |
| |
