xref: /aosp_15_r20/external/llvm/test/Transforms/Inline/nested-inline.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -inline -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Test that bar and bar2 are both inlined throughout and removed.
3*9880d681SAndroid Build Coastguard Worker@A = weak global i32 0		; <i32*> [#uses=1]
4*9880d681SAndroid Build Coastguard Worker@B = weak global i32 0		; <i32*> [#uses=1]
5*9880d681SAndroid Build Coastguard Worker@C = weak global i32 0		; <i32*> [#uses=1]
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine fastcc void @foo(i32 %X) {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @foo(
10*9880d681SAndroid Build Coastguard Worker	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
11*9880d681SAndroid Build Coastguard Worker	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
12*9880d681SAndroid Build Coastguard Worker	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
13*9880d681SAndroid Build Coastguard Worker	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workercond_true:		; preds = %entry
16*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @A
17*9880d681SAndroid Build Coastguard Worker	br label %cond_next
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workercond_next:		; preds = %cond_true, %entry
20*9880d681SAndroid Build Coastguard Worker	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
21*9880d681SAndroid Build Coastguard Worker	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workercond_true5:		; preds = %cond_next
25*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @B
26*9880d681SAndroid Build Coastguard Worker	br label %cond_next7
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workercond_next7:		; preds = %cond_true5, %cond_next
29*9880d681SAndroid Build Coastguard Worker	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
30*9880d681SAndroid Build Coastguard Worker	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
31*9880d681SAndroid Build Coastguard Worker	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workercond_true11:		; preds = %cond_next7
34*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @C
35*9880d681SAndroid Build Coastguard Worker	br label %cond_next13
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workercond_next13:		; preds = %cond_true11, %cond_next7
38*9880d681SAndroid Build Coastguard Worker	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
39*9880d681SAndroid Build Coastguard Worker	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
40*9880d681SAndroid Build Coastguard Worker	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Workercond_true17:		; preds = %cond_next13
43*9880d681SAndroid Build Coastguard Worker	call void @ext( i32* %ALL )
44*9880d681SAndroid Build Coastguard Worker	ret void
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard WorkerUnifiedReturnBlock:		; preds = %cond_next13
47*9880d681SAndroid Build Coastguard Worker	ret void
48*9880d681SAndroid Build Coastguard Worker}
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @bar(
51*9880d681SAndroid Build Coastguard Workerdefine internal fastcc void @bar(i32 %X) {
52*9880d681SAndroid Build Coastguard Workerentry:
53*9880d681SAndroid Build Coastguard Worker	%ALL = alloca i32, align 4		; <i32*> [#uses=1]
54*9880d681SAndroid Build Coastguard Worker	%tmp1 = and i32 %X, 1		; <i32> [#uses=1]
55*9880d681SAndroid Build Coastguard Worker	%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0		; <i1> [#uses=1]
56*9880d681SAndroid Build Coastguard Worker	br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
57*9880d681SAndroid Build Coastguard Worker
58*9880d681SAndroid Build Coastguard Workercond_true:		; preds = %entry
59*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @A
60*9880d681SAndroid Build Coastguard Worker	br label %cond_next
61*9880d681SAndroid Build Coastguard Worker
62*9880d681SAndroid Build Coastguard Workercond_next:		; preds = %cond_true, %entry
63*9880d681SAndroid Build Coastguard Worker	%tmp4 = and i32 %X, 2		; <i32> [#uses=1]
64*9880d681SAndroid Build Coastguard Worker	%tmp4.upgrd.2 = icmp eq i32 %tmp4, 0		; <i1> [#uses=1]
65*9880d681SAndroid Build Coastguard Worker	br i1 %tmp4.upgrd.2, label %cond_next7, label %cond_true5
66*9880d681SAndroid Build Coastguard Worker
67*9880d681SAndroid Build Coastguard Workercond_true5:		; preds = %cond_next
68*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @B
69*9880d681SAndroid Build Coastguard Worker	br label %cond_next7
70*9880d681SAndroid Build Coastguard Worker
71*9880d681SAndroid Build Coastguard Workercond_next7:		; preds = %cond_true5, %cond_next
72*9880d681SAndroid Build Coastguard Worker	%tmp10 = and i32 %X, 4		; <i32> [#uses=1]
73*9880d681SAndroid Build Coastguard Worker	%tmp10.upgrd.3 = icmp eq i32 %tmp10, 0		; <i1> [#uses=1]
74*9880d681SAndroid Build Coastguard Worker	br i1 %tmp10.upgrd.3, label %cond_next13, label %cond_true11
75*9880d681SAndroid Build Coastguard Worker
76*9880d681SAndroid Build Coastguard Workercond_true11:		; preds = %cond_next7
77*9880d681SAndroid Build Coastguard Worker	store i32 1, i32* @C
78*9880d681SAndroid Build Coastguard Worker	br label %cond_next13
79*9880d681SAndroid Build Coastguard Worker
80*9880d681SAndroid Build Coastguard Workercond_next13:		; preds = %cond_true11, %cond_next7
81*9880d681SAndroid Build Coastguard Worker	%tmp16 = and i32 %X, 8		; <i32> [#uses=1]
82*9880d681SAndroid Build Coastguard Worker	%tmp16.upgrd.4 = icmp eq i32 %tmp16, 0		; <i1> [#uses=1]
83*9880d681SAndroid Build Coastguard Worker	br i1 %tmp16.upgrd.4, label %UnifiedReturnBlock, label %cond_true17
84*9880d681SAndroid Build Coastguard Worker
85*9880d681SAndroid Build Coastguard Workercond_true17:		; preds = %cond_next13
86*9880d681SAndroid Build Coastguard Worker	call void @foo( i32 %X )
87*9880d681SAndroid Build Coastguard Worker	ret void
88*9880d681SAndroid Build Coastguard Worker
89*9880d681SAndroid Build Coastguard WorkerUnifiedReturnBlock:		; preds = %cond_next13
90*9880d681SAndroid Build Coastguard Worker	ret void
91*9880d681SAndroid Build Coastguard Worker}
92*9880d681SAndroid Build Coastguard Worker
93*9880d681SAndroid Build Coastguard Workerdefine internal fastcc void @bar2(i32 %X) {
94*9880d681SAndroid Build Coastguard Workerentry:
95*9880d681SAndroid Build Coastguard Worker	call void @foo( i32 %X )
96*9880d681SAndroid Build Coastguard Worker	ret void
97*9880d681SAndroid Build Coastguard Worker}
98*9880d681SAndroid Build Coastguard Worker
99*9880d681SAndroid Build Coastguard Workerdeclare void @ext(i32*)
100*9880d681SAndroid Build Coastguard Worker
101*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 %X) {
102*9880d681SAndroid Build Coastguard Workerentry:
103*9880d681SAndroid Build Coastguard Worker; CHECK: test
104*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: @bar(
105*9880d681SAndroid Build Coastguard Worker	tail call fastcc void @bar( i32 %X )
106*9880d681SAndroid Build Coastguard Worker	tail call fastcc void @bar( i32 %X )
107*9880d681SAndroid Build Coastguard Worker	tail call fastcc void @bar2( i32 %X )
108*9880d681SAndroid Build Coastguard Worker	tail call fastcc void @bar2( i32 %X )
109*9880d681SAndroid Build Coastguard Worker	ret void
110*9880d681SAndroid Build Coastguard Worker; CHECK: ret
111*9880d681SAndroid Build Coastguard Worker}
112