llvm-project/llvm/test/CodeGen/X86/avx-movdup.ll

54 lines
1.9 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
; CHECK: vmovsldup
define <8 x float> @movdupA(<8 x float> %src) nounwind uwtable readnone ssp {
entry:
%shuffle.i = shufflevector <8 x float> %src, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
ret <8 x float> %shuffle.i
}
; CHECK: vmovshdup
define <8 x float> @movdupB(<8 x float> %src) nounwind uwtable readnone ssp {
entry:
%shuffle.i = shufflevector <8 x float> %src, <8 x float> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
ret <8 x float> %shuffle.i
}
; CHECK: vmovsldup
define <4 x i64> @movdupC(<4 x i64> %src) nounwind uwtable readnone ssp {
entry:
%0 = bitcast <4 x i64> %src to <8 x float>
%shuffle.i = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
%1 = bitcast <8 x float> %shuffle.i to <4 x i64>
ret <4 x i64> %1
}
; CHECK: vmovshdup
define <4 x i64> @movdupD(<4 x i64> %src) nounwind uwtable readnone ssp {
entry:
%0 = bitcast <4 x i64> %src to <8 x float>
%shuffle.i = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
%1 = bitcast <8 x float> %shuffle.i to <4 x i64>
ret <4 x i64> %1
}
; Check that there is a pattern (v2f64 (X86VBroadcast f64:$src)).
; CHECK-LABEL: _vbroadcast_v128_f64
; CHECK: vmovsd LCPI{{[0-9]+}}_0(%rip), %xmm[[R0:[0-9]+]]
; CHECK: vmovddup %xmm[[R0]], %xmm{{[0-9]+}}
@E1 = external global [5 x double], align 16
@.str3 = external unnamed_addr constant [44 x i8], align 1
define void @vbroadcast_v128_f64() #0 {
entry:
store <2 x double> <double -1.000000e+00, double -1.000000e+00>, <2 x double>* bitcast (double* getelementptr inbounds ([5 x double]* @E1, i64 0, i64 2) to <2 x double>*), align 16
tail call void @foo1(double -1.000000e+00)
ret void
}
declare void @foo1(double)
attributes #0 = { optsize }