localizer-arm64-tti.ll
2.45 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
60
61
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -o - -verify-machineinstrs -O0 -global-isel -stop-after=localizer %s | FileCheck %s
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios5.0.0"
@var1 = common global i32 0, align 4
@var2 = common global i32 0, align 4
@var3 = common global i32 0, align 4
@var4 = common global i32 0, align 4
; This is an ll test instead of MIR because -run-pass doesn't seem to support
; initializing the target TTI which we need for this test.
; Some of the instructions in entry block are dead after this pass so don't
; strictly need to be checked for.
define i32 @foo() {
; CHECK-LABEL: name: foo
; CHECK: bb.1.entry:
; CHECK: successors: %bb.2(0x40000000), %bb.3(0x40000000)
; CHECK: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var1
; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 1
; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 2
; CHECK: [[GV1:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var2
; CHECK: [[C2:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 3
; CHECK: [[GV2:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var3
; CHECK: [[C3:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 0
; CHECK: [[LOAD:%[0-9]+]]:gpr(s32) = G_LOAD [[GV]](p0) :: (load 4 from @var1)
; CHECK: [[ICMP:%[0-9]+]]:gpr(s32) = G_ICMP intpred(ne), [[LOAD]](s32), [[C]]
; CHECK: [[TRUNC:%[0-9]+]]:gpr(s1) = G_TRUNC [[ICMP]](s32)
; CHECK: G_BRCOND [[TRUNC]](s1), %bb.3
; CHECK: bb.2.if.then:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: [[GV3:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var2
; CHECK: [[C4:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 2
; CHECK: G_STORE [[C4]](s32), [[GV3]](p0) :: (store 4 into @var2)
; CHECK: [[C5:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 3
; CHECK: G_STORE [[C5]](s32), [[GV]](p0) :: (store 4 into @var1)
; CHECK: [[GV4:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var3
; CHECK: G_STORE [[C4]](s32), [[GV4]](p0) :: (store 4 into @var3)
; CHECK: G_STORE [[C5]](s32), [[GV]](p0) :: (store 4 into @var1)
; CHECK: bb.3.if.end:
; CHECK: [[C6:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 0
; CHECK: $w0 = COPY [[C6]](s32)
; CHECK: RET_ReallyLR implicit $w0
entry:
%0 = load i32, i32* @var1, align 4
%cmp = icmp eq i32 %0, 1
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 2, i32* @var2, align 4
store i32 3, i32* @var1, align 4
store i32 2, i32* @var3, align 4
store i32 3, i32* @var1, align 4
br label %if.end
if.end:
ret i32 0
}