llvm-6502/test/CodeGen/X86/sandybridge-loads.ll
2013-01-19 08:38:41 +00:00

40 lines
1.1 KiB
LLVM

; RUN: llc -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -o - < %s | FileCheck %s
;CHECK: wideloads
;CHECK: vmovaps
;CHECK: vinsertf128
;CHECK: vmovaps
;CHECK-NOT: vinsertf128
;CHECK: ret
define void @wideloads(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind uwtable noinline ssp {
%v0 = load <8 x float>* %a, align 16 ; <---- unaligned!
%v1 = load <8 x float>* %b, align 32 ; <---- aligned!
%m0 = fcmp olt <8 x float> %v1, %v0
%v2 = load <8 x float>* %c, align 32 ; <---- aligned!
%m1 = fcmp olt <8 x float> %v2, %v0
%mand = and <8 x i1> %m1, %m0
%r = zext <8 x i1> %mand to <8 x i32>
store <8 x i32> %r, <8 x i32>* undef, align 32
ret void
}
; CHECK: widestores
; loads:
; CHECK: vmovaps
; CHECK: vmovaps
; stores:
; CHECK: vmovaps
; CHECK: vextractf128
; CHECK: vmovaps
;CHECK: ret
define void @widestores(<8 x float>* %a, <8 x float>* %b, <8 x float>* %c) nounwind uwtable noinline ssp {
%v0 = load <8 x float>* %a, align 32
%v1 = load <8 x float>* %b, align 32
store <8 x float> %v0, <8 x float>* %b, align 32 ; <--- aligned
store <8 x float> %v1, <8 x float>* %a, align 16 ; <--- unaligned
ret void
}