1 ; When optimising for size, we don't want to rewrite fputs to fwrite
2 ; because it requires more arguments and thus extra MOVs are required.
4 ; RUN: opt < %s -instcombine -S | FileCheck %s
5 ; RUN: opt < %s -instcombine -pgso -S -enable-new-pm=0 | FileCheck %s -check-prefix=PGSO
6 ; RUN: opt < %s -passes='require<profile-summary>,function(instcombine)' -pgso -S | FileCheck %s -check-prefix=PGSO
7 ; RUN: opt < %s -instcombine -pgso=false -S | FileCheck %s -check-prefix=NPGSO
9 %struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i32, i32, [40 x i8] }
10 %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
12 @.str = private unnamed_addr constant [10 x i8] c"mylog.txt\00", align 1
13 @.str.1 = private unnamed_addr constant [2 x i8] c"a\00", align 1
14 @.str.2 = private unnamed_addr constant [27 x i8] c"Hello world this is a test\00", align 1
16 define i32 @main() local_unnamed_addr #0 {
19 ; CHECK-NOT: call i64 @fwrite
20 ; CHECK: call i32 @fputs
22 %call = tail call %struct._IO_FILE* @fopen(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i32 0, i32 0)) #2
23 %call1 = tail call i32 @fputs(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i32 0, i32 0), %struct._IO_FILE* %call) #2
27 declare noalias %struct._IO_FILE* @fopen(i8* nocapture readonly, i8* nocapture readonly) local_unnamed_addr #1
28 declare i32 @fputs(i8* nocapture readonly, %struct._IO_FILE* nocapture) local_unnamed_addr #1
30 attributes #0 = { nounwind optsize }
31 attributes #1 = { nounwind optsize }
33 define i32 @main_pgso() local_unnamed_addr !prof !14 {
35 ; PGSO-LABEL: @main_pgso(
36 ; PGSO-NOT: call i64 @fwrite
37 ; PGSO: call i32 @fputs
38 ; NPGSO-LABEL: @main_pgso(
39 ; NPGSO: call i64 @fwrite
40 ; NPGSO-NOT: call i32 @fputs
42 %call = tail call %struct._IO_FILE* @fopen(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i32 0, i32 0)) #2
43 %call1 = tail call i32 @fputs(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.2, i32 0, i32 0), %struct._IO_FILE* %call) #2
47 !llvm.module.flags = !{!0}
48 !0 = !{i32 1, !"ProfileSummary", !1}
49 !1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
50 !2 = !{!"ProfileFormat", !"InstrProf"}
51 !3 = !{!"TotalCount", i64 10000}
52 !4 = !{!"MaxCount", i64 10}
53 !5 = !{!"MaxInternalCount", i64 1}
54 !6 = !{!"MaxFunctionCount", i64 1000}
55 !7 = !{!"NumCounts", i64 3}
56 !8 = !{!"NumFunctions", i64 3}
57 !9 = !{!"DetailedSummary", !10}
58 !10 = !{!11, !12, !13}
59 !11 = !{i32 10000, i64 100, i32 1}
60 !12 = !{i32 999000, i64 100, i32 1}
61 !13 = !{i32 999999, i64 1, i32 2}
62 !14 = !{!"function_entry_count", i64 0}