1 ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/indirect-call.prof -S | FileCheck %s
2 ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/indirect-call.compact.afdo -S | FileCheck %s
5 define void @test(void ()*) !dbg !3 {
7 store void ()* %0, void ()** %2
8 %3 = load void ()*, void ()** %2
9 ; CHECK: call {{.*}}, !prof ![[PROF:[0-9]+]]
10 call void %3(), !dbg !4
14 ; CHECK-LABEL: @test_inline
15 ; If the indirect call is promoted and inlined in profile, we should promote and inline it.
16 define void @test_inline(i64* (i32*)*, i32* %x) !dbg !6 {
17 %2 = alloca i64* (i32*)*
18 store i64* (i32*)* %0, i64* (i32*)** %2
19 %3 = load i64* (i32*)*, i64* (i32*)** %2
20 ; CHECK: icmp {{.*}} @foo_inline2
21 ; CHECK: br {{.*}} !prof ![[BR1:[0-9]+]]
22 ; CHECK: if.true.direct_targ:
24 ; CHECK: if.false.orig_indirect:
25 ; CHECK: icmp {{.*}} @foo_inline1
26 ; CHECK: br {{.*}} !prof ![[BR2:[0-9]+]]
27 ; CHECK: if.true.direct_targ1:
29 ; CHECK: if.false.orig_indirect2:
30 ; CHECK: call {{.*}} !prof ![[VP:[0-9]+]]
31 call i64* %3(i32* %x), !dbg !7
35 ; CHECK-LABEL: @test_inline_strip
36 ; If the indirect call is promoted and inlined in profile, and the callee name
37 ; is stripped we should promote and inline it.
38 define void @test_inline_strip(i64* (i32*)*, i32* %x) !dbg !8 {
39 %2 = alloca i64* (i32*)*
40 store i64* (i32*)* %0, i64* (i32*)** %2
41 %3 = load i64* (i32*)*, i64* (i32*)** %2
42 ; CHECK: icmp {{.*}} @foo_inline_strip.suffix
43 ; CHECK: if.true.direct_targ:
45 ; CHECK: if.false.orig_indirect:
47 call i64* %3(i32* %x), !dbg !9
51 ; CHECK-LABEL: @test_inline_strip_conflict
52 ; If the indirect call is promoted and inlined in profile, and the callee name
53 ; is stripped, but have more than 1 potential match, we should not promote.
54 define void @test_inline_strip_conflict(i64* (i32*)*, i32* %x) !dbg !10 {
55 %2 = alloca i64* (i32*)*
56 store i64* (i32*)* %0, i64* (i32*)** %2
57 %3 = load i64* (i32*)*, i64* (i32*)** %2
58 ; CHECK-NOT: if.true.direct_targ:
59 call i64* %3(i32* %x), !dbg !11
63 ; CHECK-LABEL: @test_noinline
64 ; If the indirect call target is not available, we should not promote it.
65 define void @test_noinline(void ()*) !dbg !12 {
67 store void ()* %0, void ()** %2
68 %3 = load void ()*, void ()** %2
71 call void %3(), !dbg !13
75 ; CHECK-LABEL: @test_noinline_bitcast
76 ; If the indirect call has been promoted to a direct call with bitcast,
78 define float @test_noinline_bitcast(float ()*) !dbg !26 {
80 store float ()* %0, float ()** %2
83 %3 = load float ()*, float ()** %2
84 %4 = call float %3(), !dbg !27
88 ; CHECK-LABEL: @test_norecursive_inline
89 ; If the indirect call target is the caller, we should not promote it.
90 define void @test_norecursive_inline() !dbg !24 {
93 %1 = load void ()*, void ()** @y, align 8
94 call void %1(), !dbg !25
98 define i32* @return_arg(i32* readnone returned) !dbg !29{
102 ; CHECK-LABEL: @return_arg_caller
103 ; When the promoted indirect call returns a parameter that was defined by the
104 ; return value of a previous direct call. Checks both direct call and promoted
105 ; indirect call are inlined.
106 define i32* @return_arg_caller(i32* (i32*)* nocapture) !dbg !30{
107 ; CHECK-NOT: call i32* @foo_inline1
108 ; CHECK: if.true.direct_targ:
110 ; CHECK: if.false.orig_indirect:
112 %2 = call i32* @foo_inline1(i32* null), !dbg !31
113 %cmp = icmp ne i32* %2, null
114 br i1 %cmp, label %then, label %else
117 %3 = tail call i32* %0(i32* %2), !dbg !32
124 @x = global i32 0, align 4
125 @y = global void ()* null, align 8
127 define i32* @foo_inline1(i32* %x) !dbg !14 {
131 define i32* @foo_inline_strip.suffix(i32* %x) !dbg !15 {
135 define i32* @foo_inline_strip_conflict.suffix1(i32* %x) !dbg !16 {
139 define i32* @foo_inline_strip_conflict.suffix2(i32* %x) !dbg !17 {
143 define i32* @foo_inline_strip_conflict.suffix3(i32* %x) !dbg !18 {
147 define i32* @foo_inline2(i32* %x) !dbg !19 {
151 define i32 @foo_noinline(i32 %x) !dbg !20 {
155 define void @foo_direct() !dbg !21 {
159 define i32 @foo_direct_i32() !dbg !28 {
163 ; CHECK-LABEL: @test_direct
164 ; We should not promote a direct call.
165 define void @test_direct() !dbg !22 {
168 call void @foo_alias(), !dbg !23
172 @foo_alias = alias void (), void ()* @foo_direct
175 !llvm.module.flags = !{!2}
177 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
178 !1 = !DIFile(filename: "test.cc", directory: "/")
179 !2 = !{i32 2, !"Debug Info Version", i32 3}
180 !3 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 3, unit: !0)
181 !4 = !DILocation(line: 4, scope: !3)
182 !5 = !DILocation(line: 6, scope: !3)
183 ; CHECK: ![[PROF]] = !{!"VP", i32 0, i64 3457, i64 9191153033785521275, i64 2059, i64 -1069303473483922844, i64 1398}
184 ; CHECK: ![[BR1]] = !{!"branch_weights", i32 4000, i32 4000}
185 ; CHECK: ![[BR2]] = !{!"branch_weights", i32 3000, i32 1000}
186 ; CHECK: ![[VP]] = !{!"VP", i32 0, i64 8000, i64 -6391416044382067764, i64 1000}
187 !6 = distinct !DISubprogram(name: "test_inline", scope: !1, file: !1, line: 6, unit: !0)
188 !7 = !DILocation(line: 7, scope: !6)
189 !8 = distinct !DISubprogram(name: "test_inline_strip", scope: !1, file: !1, line: 8, unit: !0)
190 !9 = !DILocation(line: 9, scope: !8)
191 !10 = distinct !DISubprogram(name: "test_inline_strip_conflict", scope: !1, file: !1, line: 10, unit: !0)
192 !11 = !DILocation(line: 11, scope: !10)
193 !12 = distinct !DISubprogram(name: "test_noinline", scope: !1, file: !1, line: 12, unit: !0)
194 !13 = !DILocation(line: 13, scope: !12)
195 !14 = distinct !DISubprogram(name: "foo_inline1", scope: !1, file: !1, line: 11, unit: !0)
196 !15 = distinct !DISubprogram(name: "foo_inline_strip.suffix", scope: !1, file: !1, line: 1, unit: !0)
197 !16 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix1", scope: !1, file: !1, line: 1, unit: !0)
198 !17 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix2", scope: !1, file: !1, line: 1, unit: !0)
199 !18 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix3", scope: !1, file: !1, line: 1, unit: !0)
200 !19 = distinct !DISubprogram(name: "foo_inline2", scope: !1, file: !1, line: 19, unit: !0)
201 !20 = distinct !DISubprogram(name: "foo_noinline", scope: !1, file: !1, line: 20, unit: !0)
202 !21 = distinct !DISubprogram(name: "foo_direct", scope: !1, file: !1, line: 21, unit: !0)
203 !22 = distinct !DISubprogram(name: "test_direct", scope: !1, file: !1, line: 22, unit: !0)
204 !23 = !DILocation(line: 23, scope: !22)
205 !24 = distinct !DISubprogram(name: "test_norecursive_inline", scope: !1, file: !1, line: 12, unit: !0)
206 !25 = !DILocation(line: 13, scope: !24)
207 !26 = distinct !DISubprogram(name: "test_noinline_bitcast", scope: !1, file: !1, line: 12, unit: !0)
208 !27 = !DILocation(line: 13, scope: !26)
209 !28 = distinct !DISubprogram(name: "foo_direct_i32", scope: !1, file: !1, line: 11, unit: !0)
210 !29 = distinct !DISubprogram(name: "return_arg", scope: !1, file: !1, line: 11, unit: !0)
211 !30 = distinct !DISubprogram(name: "return_arg_caller", scope: !1, file: !1, line: 11, unit: !0)
212 !31 = !DILocation(line: 12, scope: !30)
213 !32 = !DILocation(line: 13, scope: !30)