; printf("sum is %d\n", s);
; return 0;
; }
-
+;
+; Note that this test is missing the llvm.dbg.cu annotation. This emulates
+; the effect of the user having only used -fprofile-sample-use without
+; -gmlt when invoking the driver. In those cases, we need to track source
+; location information but we do not have to generate debug info in the
+; final binary.
@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1
; Function Attrs: nounwind uwtable
-define i32 @_Z3sumii(i32 %x, i32 %y) {
+define i32 @_Z3sumii(i32 %x, i32 %y) !dbg !4 {
entry:
%x.addr = alloca i32, align 4
%y.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
store i32 %y, i32* %y.addr, align 4
- %0 = load i32* %x.addr, align 4, !dbg !11
- %1 = load i32* %y.addr, align 4, !dbg !11
+ %0 = load i32, i32* %x.addr, align 4, !dbg !11
+ %1 = load i32, i32* %y.addr, align 4, !dbg !11
%add = add nsw i32 %0, %1, !dbg !11
ret i32 %add, !dbg !11
}
; Function Attrs: uwtable
-define i32 @main() {
+define i32 @main() !dbg !7 {
entry:
%retval = alloca i32, align 4
%s = alloca i32, align 4
br label %while.cond, !dbg !13
while.cond: ; preds = %if.end, %entry
- %0 = load i32* %i, align 4, !dbg !14
+ %0 = load i32, i32* %i, align 4, !dbg !14
%inc = add nsw i32 %0, 1, !dbg !14
store i32 %inc, i32* %i, align 4, !dbg !14
%cmp = icmp slt i32 %0, 400000000, !dbg !14
br i1 %cmp, label %while.body, label %while.end, !dbg !14
-; CHECK: edge while.cond -> while.body probability is 5391 / 5392 = 99.9815% [HOT edge]
-; CHECK: edge while.cond -> while.end probability is 1 / 5392 = 0.018546%
+; CHECK: edge while.cond -> while.body probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]
+; CHECK: edge while.cond -> while.end probability is 0x00000000 / 0x80000000 = 0.00%
while.body: ; preds = %while.cond
- %1 = load i32* %i, align 4, !dbg !16
+ %1 = load i32, i32* %i, align 4, !dbg !16
%cmp1 = icmp ne i32 %1, 100, !dbg !16
br i1 %cmp1, label %if.then, label %if.else, !dbg !16
; Without discriminator information, the profiler used to think that
; both branches out of while.body had the same weight. In reality,
; the edge while.body->if.then is taken most of the time.
;
-; CHECK: edge while.body -> if.then probability is 5752 / 5753 = 99.9826% [HOT edge]
-; CHECK: edge while.body -> if.else probability is 1 / 5753 = 0.0173822%
+; CHECK: edge while.body -> if.then probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]
+; CHECK: edge while.body -> if.else probability is 0x00000000 / 0x80000000 = 0.00%
if.then: ; preds = %while.body
- %2 = load i32* %i, align 4, !dbg !18
- %3 = load i32* %s, align 4, !dbg !18
+ %2 = load i32, i32* %i, align 4, !dbg !18
+ %3 = load i32, i32* %s, align 4, !dbg !18
%call = call i32 @_Z3sumii(i32 %2, i32 %3), !dbg !18
store i32 %call, i32* %s, align 4, !dbg !18
br label %if.end, !dbg !18
br label %while.cond, !dbg !22
while.end: ; preds = %while.cond
- %4 = load i32* %s, align 4, !dbg !24
- %call2 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
+ %4 = load i32, i32* %s, align 4, !dbg !24
+ %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %4), !dbg !24
ret i32 0, !dbg !25
}
declare i32 @printf(i8*, ...) #2
-!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8, !9}
!llvm.ident = !{!10}
-!0 = metadata !{metadata !"0x11\004\00clang version 3.5 \000\00\000\00\000", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [./calls.cc] [DW_LANG_C_plus_plus]
-!1 = metadata !{metadata !"calls.cc", metadata !"."}
-!2 = metadata !{}
-!3 = metadata !{metadata !4, metadata !7}
-!4 = metadata !{metadata !"0x2e\00sum\00sum\00\003\000\001\000\006\00256\000\003", metadata !1, metadata !5, metadata !6, null, i32 (i32, i32)* @_Z3sumii, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [sum]
-!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [./calls.cc]
-!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{metadata !"0x2e\00main\00main\00\007\000\001\000\006\00256\000\007", metadata !1, metadata !5, metadata !6, null, i32 ()* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [main]
-!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
-!10 = metadata !{metadata !"clang version 3.5 "}
-!11 = metadata !{i32 4, i32 0, metadata !4, null}
-!12 = metadata !{i32 8, i32 0, metadata !7, null}
-!13 = metadata !{i32 9, i32 0, metadata !7, null}
-!14 = metadata !{i32 9, i32 0, metadata !15, null}
-!15 = metadata !{metadata !"0xb\001", metadata !1, metadata !7} ; [ DW_TAG_lexical_block ] [./calls.cc]
-!16 = metadata !{i32 10, i32 0, metadata !17, null}
-!17 = metadata !{metadata !"0xb\0010\000\000", metadata !1, metadata !7} ; [ DW_TAG_lexical_block ] [./calls.cc]
-!18 = metadata !{i32 10, i32 0, metadata !19, null}
-!19 = metadata !{metadata !"0xb\001", metadata !1, metadata !17} ; [ DW_TAG_lexical_block ] [./calls.cc]
-!20 = metadata !{i32 10, i32 0, metadata !21, null}
-!21 = metadata !{metadata !"0xb\002", metadata !1, metadata !17} ; [ DW_TAG_lexical_block ] [./calls.cc]
-!22 = metadata !{i32 10, i32 0, metadata !23, null}
-!23 = metadata !{metadata !"0xb\003", metadata !1, metadata !17} ; [ DW_TAG_lexical_block ] [./calls.cc]
-!24 = metadata !{i32 11, i32 0, metadata !7, null}
-!25 = metadata !{i32 12, i32 0, metadata !7, null}
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "calls.cc", directory: ".")
+!2 = !{}
+!3 = !{!4, !7}
+!4 = distinct !DISubprogram(name: "sum", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2)
+!5 = !DIFile(filename: "calls.cc", directory: ".")
+!6 = !DISubroutineType(types: !2)
+!7 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !5, type: !6, variables: !2)
+!8 = !{i32 2, !"Dwarf Version", i32 4}
+!9 = !{i32 1, !"Debug Info Version", i32 3}
+!10 = !{!"clang version 3.5 "}
+!11 = !DILocation(line: 4, scope: !4)
+!12 = !DILocation(line: 8, scope: !7)
+!13 = !DILocation(line: 9, scope: !7)
+!14 = !DILocation(line: 9, scope: !15)
+!15 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !7)
+!16 = !DILocation(line: 10, scope: !17)
+!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7)
+!18 = !DILocation(line: 10, scope: !19)
+!19 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !17)
+!20 = !DILocation(line: 10, scope: !21)
+!21 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !17)
+!22 = !DILocation(line: 10, scope: !23)
+!23 = !DILexicalBlockFile(discriminator: 3, file: !1, scope: !17)
+!24 = !DILocation(line: 11, scope: !7)
+!25 = !DILocation(line: 12, scope: !7)
projects / oota-llvm.git / blobdiff