1 ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 ; RUN: llc -o - -verify-machineinstrs -O0 -global-isel -stop-after=localizer %s | FileCheck %s
3 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
4 target triple = "arm64-apple-ios5.0.0"
6 @var1 = common global i32 0, align 4
7 @var2 = common global i32 0, align 4
8 @var3 = common global i32 0, align 4
9 @var4 = common global i32 0, align 4
11 ; This is an ll test instead of MIR because -run-pass doesn't seem to support
12 ; initializing the target TTI which we need for this test.
14 ; Some of the instructions in entry block are dead after this pass so don't
15 ; strictly need to be checked for.
18 ; CHECK-LABEL: name: foo
20 ; CHECK: successors: %bb.2(0x40000000), %bb.3(0x40000000)
21 ; CHECK: [[GV:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var1
22 ; CHECK: [[C:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 1
23 ; CHECK: [[C1:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 2
24 ; CHECK: [[GV1:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var2
25 ; CHECK: [[C2:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 3
26 ; CHECK: [[GV2:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var3
27 ; CHECK: [[C3:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 0
28 ; CHECK: [[LOAD:%[0-9]+]]:gpr(s32) = G_LOAD [[GV]](p0) :: (load 4 from @var1)
29 ; CHECK: [[ICMP:%[0-9]+]]:gpr(s32) = G_ICMP intpred(ne), [[LOAD]](s32), [[C]]
30 ; CHECK: [[TRUNC:%[0-9]+]]:gpr(s1) = G_TRUNC [[ICMP]](s32)
31 ; CHECK: G_BRCOND [[TRUNC]](s1), %bb.3
32 ; CHECK: bb.2.if.then:
33 ; CHECK: successors: %bb.3(0x80000000)
34 ; CHECK: [[GV3:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var2
35 ; CHECK: [[C4:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 2
36 ; CHECK: G_STORE [[C4]](s32), [[GV3]](p0) :: (store 4 into @var2)
37 ; CHECK: [[C5:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 3
38 ; CHECK: G_STORE [[C5]](s32), [[GV]](p0) :: (store 4 into @var1)
39 ; CHECK: [[GV4:%[0-9]+]]:gpr(p0) = G_GLOBAL_VALUE @var3
40 ; CHECK: G_STORE [[C4]](s32), [[GV4]](p0) :: (store 4 into @var3)
41 ; CHECK: G_STORE [[C5]](s32), [[GV]](p0) :: (store 4 into @var1)
43 ; CHECK: [[C6:%[0-9]+]]:gpr(s32) = G_CONSTANT i32 0
44 ; CHECK: $w0 = COPY [[C6]](s32)
45 ; CHECK: RET_ReallyLR implicit $w0
47 %0 = load i32, i32* @var1, align 4
48 %cmp = icmp eq i32 %0, 1
49 br i1 %cmp, label %if.then, label %if.end
52 store i32 2, i32* @var2, align 4
53 store i32 3, i32* @var1, align 4
54 store i32 2, i32* @var3, align 4
55 store i32 3, i32* @var1, align 4