1aa02b37e7
This reverts commit 1eda5453f2.
Causes https://crbug.com/1223647:
Incompatible argument and return types for 'returned' attribute
tail call void @llvm.memset.p0i8.i64(i8* noalias noundef returned writeonly align 1 dereferenceable(255) %arraydecay, i8 0, i64 255, i1 false), !dbg !985
63 lines
2.8 KiB
LLVM
63 lines
2.8 KiB
LLVM
; When optimising for size, we don't want to rewrite fputs to fwrite
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; because it requires more arguments and thus extra MOVs are required.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; RUN: opt < %s -instcombine -pgso -S -enable-new-pm=0 | FileCheck %s -check-prefix=PGSO
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; RUN: opt < %s -passes='require<profile-summary>,function(instcombine)' -pgso -S | FileCheck %s -check-prefix=PGSO
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; RUN: opt < %s -instcombine -pgso=false -S | FileCheck %s -check-prefix=NPGSO
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%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] }
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%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
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@.str = private unnamed_addr constant [10 x i8] c"mylog.txt\00", align 1
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@.str.1 = private unnamed_addr constant [2 x i8] c"a\00", align 1
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@.str.2 = private unnamed_addr constant [27 x i8] c"Hello world this is a test\00", align 1
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define i32 @main() local_unnamed_addr #0 {
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entry:
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; CHECK-LABEL: @main(
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; CHECK-NOT: call i64 @fwrite
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; CHECK: call i32 @fputs
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%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
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%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
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ret i32 0
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}
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declare noalias %struct._IO_FILE* @fopen(i8* nocapture readonly, i8* nocapture readonly) local_unnamed_addr #1
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declare i32 @fputs(i8* nocapture readonly, %struct._IO_FILE* nocapture) local_unnamed_addr #1
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attributes #0 = { nounwind optsize }
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attributes #1 = { nounwind optsize }
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define i32 @main_pgso() local_unnamed_addr !prof !14 {
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entry:
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; PGSO-LABEL: @main_pgso(
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; PGSO-NOT: call i64 @fwrite
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; PGSO: call i32 @fputs
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; NPGSO-LABEL: @main_pgso(
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; NPGSO: call i64 @fwrite
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; NPGSO-NOT: call i32 @fputs
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%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
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%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
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ret i32 0
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 1, !"ProfileSummary", !1}
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!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
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!2 = !{!"ProfileFormat", !"InstrProf"}
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!3 = !{!"TotalCount", i64 10000}
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!4 = !{!"MaxCount", i64 10}
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!5 = !{!"MaxInternalCount", i64 1}
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!6 = !{!"MaxFunctionCount", i64 1000}
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!7 = !{!"NumCounts", i64 3}
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!8 = !{!"NumFunctions", i64 3}
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!9 = !{!"DetailedSummary", !10}
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!10 = !{!11, !12, !13}
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!11 = !{i32 10000, i64 100, i32 1}
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!12 = !{i32 999000, i64 100, i32 1}
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!13 = !{i32 999999, i64 1, i32 2}
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!14 = !{!"function_entry_count", i64 0}
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