machine-cp-mask-reg.mir
2.23 KB
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skx -run-pass=machine-cp -o - | FileCheck %s
# machine-cp previously asserted trying to determine if the k0->eax copy below
# could be combined with the k0->rax copy.
--- |
; ModuleID = 'test.ll'
source_filename = "test.ll"
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
define i8 @foo(<64 x i8> %x, i64* %y, i64 %z) #0 {
%a = icmp eq <64 x i8> %x, zeroinitializer
%b = bitcast <64 x i1> %a to i64
%c = add i64 %b, %z
store i64 %c, i64* %y, align 8
%d = extractelement <64 x i1> %a, i32 0
%e = zext i1 %d to i8
ret i8 %e
}
attributes #0 = { "target-cpu"="skx" }
...
---
name: foo
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$zmm0' }
- { reg: '$rdi' }
- { reg: '$rsi' }
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.0 (%ir-block.0):
liveins: $rdi, $rsi, $zmm0
; CHECK-LABEL: name: foo
; CHECK: liveins: $rdi, $rsi, $zmm0
; CHECK: renamable $k0 = VPTESTNMBZrr killed renamable $zmm0, renamable $zmm0
; CHECK: renamable $rax = COPY renamable $k0
; CHECK: renamable $rsi = ADD64rr killed renamable $rsi, killed renamable $rax, implicit-def dead $eflags
; CHECK: MOV64mr killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $rsi :: (store 8 into %ir.y)
; CHECK: renamable $eax = COPY killed renamable $k0
; CHECK: renamable $al = AND8ri renamable $al, 1, implicit-def dead $eflags, implicit killed $eax, implicit-def $eax
; CHECK: $al = KILL renamable $al, implicit killed $eax
; CHECK: RET 0, $al
renamable $k0 = VPTESTNMBZrr killed renamable $zmm0, renamable $zmm0
renamable $rax = COPY renamable $k0
renamable $rsi = ADD64rr killed renamable $rsi, killed renamable $rax, implicit-def dead $eflags
MOV64mr killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $rsi :: (store 8 into %ir.y)
renamable $eax = COPY killed renamable $k0
renamable $al = AND8ri renamable $al, 1, implicit-def dead $eflags, implicit killed $eax, implicit-def $eax
$al = KILL renamable $al, implicit killed $eax
RET 0, $al
...