1 ; RUN: opt -S %s -passes=sample-profile -sample-profile-file=%S/Inputs/indirect-call.prof | FileCheck %s
2 ; RUN: opt -S %s -passes=sample-profile -sample-profile-file=%S/Inputs/indirect-call.extbinary.afdo | FileCheck %s
5 define void @test(ptr) #0 !dbg !3 {
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(ptr, ptr %x) #0 !dbg !6 {
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 ptr %3(ptr %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(ptr, ptr %x) #0 !dbg !8 {
42 ; CHECK: icmp {{.*}} @foo_inline_strip.suffix
43 ; CHECK: if.true.direct_targ:
45 ; CHECK: if.false.orig_indirect:
47 call ptr %3(ptr %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(ptr, ptr %x) #0 !dbg !10 {
58 ; CHECK-NOT: if.true.direct_targ:
59 call ptr %3(ptr %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(ptr) #0 !dbg !12 {
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(ptr) #0 !dbg !26 {
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() #0 !dbg !24 {
93 %1 = load ptr, ptr @y, align 8
94 call void %1(), !dbg !25
98 define ptr @return_arg(ptr readnone returned) #0 !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 ptr @return_arg_caller(ptr nocapture) #0 !dbg !30{
107 ; CHECK-NOT: call ptr @foo_inline1
108 ; CHECK: if.true.direct_targ:
110 ; CHECK: if.false.orig_indirect:
112 %2 = call ptr @foo_inline1(ptr null), !dbg !31
113 %cmp = icmp ne ptr %2, null
114 br i1 %cmp, label %then, label %else
117 %3 = tail call ptr %0(ptr %2), !dbg !32
124 ; CHECK-LABEL: @branch_prof_valid
125 ; Check the conditional branch generated by indirect call promotion won't
126 ; have invalid profile like !{!"branch_weights", i32 0, i32 0}.
127 define void @branch_prof_valid(ptr %t0) #0 !dbg !33 {
129 store ptr %t0, ptr %t1
130 %t2 = load ptr, ptr %t1
131 ; CHECK-NOT: call {{.*}}
132 ; CHECK: br i1 {{.*}}, label %if.true.direct_targ, label %if.false.orig_indirect, {{.*}}, !prof ![[BR3:[0-9]+]]
133 call void %t2(), !dbg !34
137 @x = global i32 0, align 4
138 @y = global ptr null, align 8
140 define ptr @foo_inline1(ptr %x) #0 !dbg !14 {
144 define ptr @foo_inline_strip.suffix(ptr %x) #0 !dbg !15 {
148 define ptr @foo_inline_strip_conflict.suffix1(ptr %x) #0 !dbg !16 {
152 define ptr @foo_inline_strip_conflict.suffix2(ptr %x) #0 !dbg !17 {
156 define ptr @foo_inline_strip_conflict.suffix3(ptr %x) #0 !dbg !18 {
160 define ptr @foo_inline2(ptr %x) #0 !dbg !19 {
164 define void @foo_inline3() #0 !dbg !35 {
168 define i32 @foo_noinline(i32 %x) #0 !dbg !20 {
172 define void @foo_direct() #0 !dbg !21 {
176 define i32 @foo_direct_i32() #0 !dbg !28 {
180 ; CHECK-LABEL: @test_direct
181 ; We should not promote a direct call.
182 define void @test_direct() #0 !dbg !22 {
185 call void @foo_alias(), !dbg !23
189 @foo_alias = alias void (), ptr @foo_direct
191 attributes #0 = {"use-sample-profile"}
194 !llvm.module.flags = !{!2}
196 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
197 !1 = !DIFile(filename: "test.cc", directory: "/")
198 !2 = !{i32 2, !"Debug Info Version", i32 3}
199 !3 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 3, unit: !0)
200 !4 = !DILocation(line: 4, scope: !3)
201 !5 = !DILocation(line: 6, scope: !3)
202 ; CHECK: ![[PROF]] = !{!"VP", i32 0, i64 3457, i64 9191153033785521275, i64 2059, i64 -1069303473483922844, i64 1398}
203 ; CHECK: ![[BR1]] = !{!"branch_weights", i32 4000, i32 4000}
204 ; CHECK: ![[BR2]] = !{!"branch_weights", i32 3000, i32 1000}
205 ; CHECK: ![[VP]] = !{!"VP", i32 0, i64 8000, i64 7476224446746900038, i64 -1, i64 925324185419832389, i64 -1, i64 -6391416044382067764, i64 1000}
206 ; CHECK: ![[BR3]] = !{!"branch_weights", i32 1, i32 0}
207 !6 = distinct !DISubprogram(name: "test_inline", scope: !1, file: !1, line: 6, unit: !0)
208 !7 = !DILocation(line: 7, scope: !6)
209 !8 = distinct !DISubprogram(name: "test_inline_strip", scope: !1, file: !1, line: 8, unit: !0)
210 !9 = !DILocation(line: 9, scope: !8)
211 !10 = distinct !DISubprogram(name: "test_inline_strip_conflict", scope: !1, file: !1, line: 10, unit: !0)
212 !11 = !DILocation(line: 11, scope: !10)
213 !12 = distinct !DISubprogram(name: "test_noinline", scope: !1, file: !1, line: 12, unit: !0)
214 !13 = !DILocation(line: 13, scope: !12)
215 !14 = distinct !DISubprogram(name: "foo_inline1", scope: !1, file: !1, line: 11, unit: !0)
216 !15 = distinct !DISubprogram(name: "foo_inline_strip.suffix", scope: !1, file: !1, line: 1, unit: !0)
217 !16 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix1", scope: !1, file: !1, line: 1, unit: !0)
218 !17 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix2", scope: !1, file: !1, line: 1, unit: !0)
219 !18 = distinct !DISubprogram(name: "foo_inline_strip_conflict.suffix3", scope: !1, file: !1, line: 1, unit: !0)
220 !19 = distinct !DISubprogram(name: "foo_inline2", scope: !1, file: !1, line: 19, unit: !0)
221 !20 = distinct !DISubprogram(name: "foo_noinline", scope: !1, file: !1, line: 20, unit: !0)
222 !21 = distinct !DISubprogram(name: "foo_direct", scope: !1, file: !1, line: 21, unit: !0)
223 !22 = distinct !DISubprogram(name: "test_direct", scope: !1, file: !1, line: 22, unit: !0)
224 !23 = !DILocation(line: 23, scope: !22)
225 !24 = distinct !DISubprogram(name: "test_norecursive_inline", scope: !1, file: !1, line: 12, unit: !0)
226 !25 = !DILocation(line: 13, scope: !24)
227 !26 = distinct !DISubprogram(name: "test_noinline_bitcast", scope: !1, file: !1, line: 12, unit: !0)
228 !27 = !DILocation(line: 13, scope: !26)
229 !28 = distinct !DISubprogram(name: "foo_direct_i32", scope: !1, file: !1, line: 11, unit: !0)
230 !29 = distinct !DISubprogram(name: "return_arg", scope: !1, file: !1, line: 11, unit: !0)
231 !30 = distinct !DISubprogram(name: "return_arg_caller", scope: !1, file: !1, line: 11, unit: !0)
232 !31 = !DILocation(line: 12, scope: !30)
233 !32 = !DILocation(line: 13, scope: !30)
234 !33 = distinct !DISubprogram(name: "branch_prof_valid", scope: !1, file: !1, line: 25, unit: !0)
235 !34 = !DILocation(line: 27, scope: !33)
236 !35 = distinct !DISubprogram(name: "foo_inline3", scope: !1, file: !1, line: 29, unit: !0)