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
35
36
37
38
39
40
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -mattr=avx512bf16,avx512fp16 | FileCheck %s
define void @test(<2 x ptr> %ptr) {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: testb %al, %al
; CHECK-NEXT: je .LBB0_1
; CHECK-NEXT: # %bb.2: # %loop.127.preheader
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB0_1: # %ifmerge.89
; CHECK-NEXT: vbroadcastss %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm1, %xmm1, %xmm1
; CHECK-NEXT: vpbroadcastw (%rax), %xmm2
; CHECK-NEXT: vpunpcklwd {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1],xmm1[2],xmm2[2],xmm1[3],xmm2[3]
; CHECK-NEXT: vmulps %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vmovlps %xmm0, (%rax)
entry:
br label %then.13
then.13: ; preds = %entry
%0 = fpext bfloat poison to float
br i1 poison, label %loop.127.preheader, label %ifmerge.89
ifmerge.89: ; preds = %then.13
%.splatinsert144 = insertelement <2 x float> poison, float %0, i64 0
%.splat145 = shufflevector <2 x float> %.splatinsert144, <2 x float> poison, <2 x i32> zeroinitializer
%1 = tail call <2 x bfloat> @llvm.masked.gather.v2bf16.v2p0(<2 x ptr> undef, i32 2, <2 x i1> <i1 true, i1 true>, <2 x bfloat> poison)
%2 = fpext <2 x bfloat> %1 to <2 x float>
%3 = fmul fast <2 x float> %.splat145, %2
%4 = fadd fast <2 x float> zeroinitializer, %3
store <2 x float> %4, ptr poison, align 4
unreachable
loop.127.preheader: ; preds = %then.13
ret void
}
declare <2 x bfloat> @llvm.masked.gather.v2bf16.v2p0(<2 x ptr>, i32 immarg, <2 x i1>, <2 x bfloat>)
|
