1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; 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.
define void @foo8(float* nocapture %RET) nounwind {
; CHECK-LABEL: foo8:
; CHECK: ## %bb.0: ## %allocas
; CHECK-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; CHECK-NEXT: cvtdq2ps %xmm0, %xmm0
; CHECK-NEXT: movaps {{.*#+}} xmm1 = [1.0E+2,2.0E+0,1.0E+2,4.0E+0]
; CHECK-NEXT: movups %xmm1, (%rdi)
; CHECK-NEXT: movups %xmm0, 16(%rdi)
; CHECK-NEXT: retq
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
}
|