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llvm-mirror/test/CodeGen/X86/avx512-nontemporal.ll
Adam Nemet d36a2c2dba [X86] AVX512: Add non-temporal stores
Note that I followed the AVX2 convention here and didn't add LLVM intrinsics
for stores.  These can be generated with the nontemporal hint on LLVM IR
stores (see new test). The GCC builtins are lowered directly into nontemporal
stores.

<rdar://problem/17082571>

llvm-svn: 211176
2014-06-18 16:51:10 +00:00

20 lines
732 B
LLVM

; RUN: llc < %s -march=x86-64 -mattr=+avx512f | FileCheck %s
define void @f(<16 x float> %A, <16 x float> %AA, i8* %B, <8 x double> %C, <8 x double> %CC, i32 %D, <8 x i64> %E, <8 x i64> %EE) {
; CHECK: vmovntps %z
%cast = bitcast i8* %B to <16 x float>*
%A2 = fadd <16 x float> %A, %AA
store <16 x float> %A2, <16 x float>* %cast, align 64, !nontemporal !0
; CHECK: vmovntdq %z
%cast1 = bitcast i8* %B to <8 x i64>*
%E2 = add <8 x i64> %E, %EE
store <8 x i64> %E2, <8 x i64>* %cast1, align 64, !nontemporal !0
; CHECK: vmovntpd %z
%cast2 = bitcast i8* %B to <8 x double>*
%C2 = fadd <8 x double> %C, %CC
store <8 x double> %C2, <8 x double>* %cast2, align 64, !nontemporal !0
ret void
}
!0 = metadata !{i32 1}