| ; Test that misexpect diagnostics are issued in sample profiling |
| ; RUN: opt < %s -passes="function(lower-expect),sample-profile" -sample-profile-file=%S/Inputs/misexpect.prof -pgo-warn-misexpect -S 2>&1 | FileCheck %s --check-prefix=WARNING |
| |
| ; Test that if expect intrinsics are not lowered, then no diagnostics are issued |
| ; RUN: opt < %s -passes="sample-profile" -sample-profile-file=%S/Inputs/misexpect.prof -pgo-warn-misexpect -S 2>&1 | FileCheck %s --check-prefix=NONE |
| |
| ; Original C++ code for this test case: |
| ; |
| ; #include <stdio.h> |
| ; #include <stdlib.h> |
| |
| ; int main(int argc, char *argv[]) { |
| ; if (argc < 2) |
| ; return 1; |
| ; double result; |
| ; int limit = atoi(argv[1]); |
| ; if (limit > 100) { |
| ; double s = 23.041968 * atoi(argv[2]); |
| ; for (int u = 0; u < limit; u++) { |
| ; double x = s; |
| ; s = x + 3.049 + (double)u; |
| ; s -= s + 3.94 / x * 0.32; |
| ; } |
| ; result = s; |
| ; } else { |
| ; result = atoi(argv[2]); |
| ; } |
| ; printf("result is %lf\n", result); |
| ; return 0; |
| ; } |
| |
| ; WARNING-DAG: warning: test.cc:9:14: 20.06% |
| ; WARNING-DAG: warning: test.cc:11:24: 92.74% |
| |
| ; NONE-NOT: warning: test.cc:9:14: 20.06% |
| ; NONE-NOT: warning: test.cc:11:24: 92.74% |
| |
| @.str = private unnamed_addr constant [15 x i8] c"result is %lf\0A\00", align 1 |
| |
| ; Function Attrs: uwtable |
| define i32 @main(i32 %argc, ptr %argv) #0 !dbg !6 { |
| |
| entry: |
| %retval = alloca i32, align 4 |
| %argc.addr = alloca i32, align 4 |
| %argv.addr = alloca ptr, align 8 |
| %result = alloca double, align 8 |
| %limit = alloca i32, align 4 |
| %s = alloca double, align 8 |
| %u = alloca i32, align 4 |
| %x = alloca double, align 8 |
| store i32 0, ptr %retval, align 4 |
| store i32 %argc, ptr %argc.addr, align 4 |
| call void @llvm.dbg.declare(metadata ptr %argc.addr, metadata !16, metadata !17), !dbg !18 |
| store ptr %argv, ptr %argv.addr, align 8 |
| call void @llvm.dbg.declare(metadata ptr %argv.addr, metadata !19, metadata !17), !dbg !20 |
| %0 = load i32, ptr %argc.addr, align 4, !dbg !21 |
| %cmp = icmp slt i32 %0, 2, !dbg !23 |
| br i1 %cmp, label %if.then, label %if.end, !dbg !24 |
| |
| if.then: ; preds = %entry |
| store i32 1, ptr %retval, align 4, !dbg !25 |
| br label %return, !dbg !25 |
| |
| if.end: ; preds = %entry |
| call void @llvm.dbg.declare(metadata ptr %result, metadata !26, metadata !17), !dbg !27 |
| call void @llvm.dbg.declare(metadata ptr %limit, metadata !28, metadata !17), !dbg !29 |
| %1 = load ptr, ptr %argv.addr, align 8, !dbg !30 |
| %arrayidx = getelementptr inbounds ptr, ptr %1, i64 1, !dbg !30 |
| %2 = load ptr, ptr %arrayidx, align 8, !dbg !30 |
| %call = call i32 @atoi(ptr %2) #4, !dbg !31 |
| store i32 %call, ptr %limit, align 4, !dbg !29 |
| %3 = load i32, ptr %limit, align 4, !dbg !32 |
| %exp = call i32 @llvm.expect.i32(i32 %3, i32 0) |
| %tobool = icmp ne i32 %exp, 0, !dbg !34 |
| br i1 %tobool, label %if.then.2, label %if.else, !dbg !35 |
| |
| if.then.2: ; preds = %if.end |
| call void @llvm.dbg.declare(metadata ptr %s, metadata !36, metadata !17), !dbg !38 |
| %4 = load ptr, ptr %argv.addr, align 8, !dbg !39 |
| %arrayidx3 = getelementptr inbounds ptr, ptr %4, i64 2, !dbg !39 |
| %5 = load ptr, ptr %arrayidx3, align 8, !dbg !39 |
| %call4 = call i32 @atoi(ptr %5) #4, !dbg !40 |
| %conv = sitofp i32 %call4 to double, !dbg !40 |
| %mul = fmul double 0x40370ABE6A337A81, %conv, !dbg !41 |
| store double %mul, ptr %s, align 8, !dbg !38 |
| call void @llvm.dbg.declare(metadata ptr %u, metadata !42, metadata !17), !dbg !44 |
| store i32 0, ptr %u, align 4, !dbg !44 |
| br label %for.cond, !dbg !45 |
| |
| for.cond: ; preds = %for.inc, %if.then.2 |
| %6 = load i32, ptr %u, align 4, !dbg !46 |
| %7 = load i32, ptr %limit, align 4, !dbg !48 |
| %expval = call i32 @llvm.expect.i32(i32 %6, i32 1) |
| %cmp5 = icmp ne i32 %expval, 0, !dbg !49 |
| br i1 %cmp5, label %for.body, label %for.end, !dbg !50 |
| |
| for.body: ; preds = %for.cond |
| call void @llvm.dbg.declare(metadata ptr %x, metadata !51, metadata !17), !dbg !53 |
| %8 = load double, ptr %s, align 8, !dbg !54 |
| store double %8, ptr %x, align 8, !dbg !53 |
| %9 = load double, ptr %x, align 8, !dbg !55 |
| %add = fadd double %9, 3.049000e+00, !dbg !56 |
| %10 = load i32, ptr %u, align 4, !dbg !57 |
| %conv6 = sitofp i32 %10 to double, !dbg !57 |
| %add7 = fadd double %add, %conv6, !dbg !58 |
| store double %add7, ptr %s, align 8, !dbg !59 |
| %11 = load double, ptr %s, align 8, !dbg !60 |
| %12 = load double, ptr %x, align 8, !dbg !61 |
| %div = fdiv double 3.940000e+00, %12, !dbg !62 |
| %mul8 = fmul double %div, 3.200000e-01, !dbg !63 |
| %add9 = fadd double %11, %mul8, !dbg !64 |
| %13 = load double, ptr %s, align 8, !dbg !65 |
| %sub = fsub double %13, %add9, !dbg !65 |
| store double %sub, ptr %s, align 8, !dbg !65 |
| br label %for.inc, !dbg !66 |
| |
| for.inc: ; preds = %for.body |
| %14 = load i32, ptr %u, align 4, !dbg !67 |
| %inc = add nsw i32 %14, 1, !dbg !67 |
| store i32 %inc, ptr %u, align 4, !dbg !67 |
| br label %for.cond, !dbg !68 |
| |
| for.end: ; preds = %for.cond |
| %15 = load double, ptr %s, align 8, !dbg !69 |
| store double %15, ptr %result, align 8, !dbg !70 |
| br label %if.end.13, !dbg !71 |
| |
| if.else: ; preds = %if.end |
| %16 = load ptr, ptr %argv.addr, align 8, !dbg !72 |
| %arrayidx10 = getelementptr inbounds ptr, ptr %16, i64 2, !dbg !72 |
| %17 = load ptr, ptr %arrayidx10, align 8, !dbg !72 |
| %call11 = call i32 @atoi(ptr %17) #4, !dbg !74 |
| %conv12 = sitofp i32 %call11 to double, !dbg !74 |
| store double %conv12, ptr %result, align 8, !dbg !75 |
| br label %if.end.13 |
| |
| if.end.13: ; preds = %if.else, %for.end |
| %18 = load double, ptr %result, align 8, !dbg !76 |
| %call14 = call i32 (ptr, ...) @printf(ptr @.str, double %18), !dbg !77 |
| store i32 0, ptr %retval, align 4, !dbg !78 |
| br label %return, !dbg !78 |
| |
| return: ; preds = %if.end.13, %if.then |
| %19 = load i32, ptr %retval, align 4, !dbg !79 |
| ret i32 %19, !dbg !79 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind readonly |
| declare i32 @atoi(ptr) #2 |
| |
| declare i32 @printf(ptr, ...) #3 |
| |
| ; Function Attrs: nounwind readnone willreturn |
| declare i32 @llvm.expect.i32(i32, i32) #5 |
| |
| |
| attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" "use-sample-profile" } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind readonly "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #3 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #4 = { nounwind readonly } |
| attributes #5 = { nounwind readnone willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!13, !14} |
| !llvm.ident = !{!15} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 248211) (llvm/trunk 248217)", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !3) |
| !1 = !DIFile(filename: "test.cc", directory: "/ssd/llvm_commit") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float) |
| !6 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 4, type: !7, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{!9, !9, !10} |
| !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, align: 64) |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64, align: 64) |
| !12 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) |
| !13 = !{i32 2, !"Dwarf Version", i32 4} |
| !14 = !{i32 2, !"Debug Info Version", i32 3} |
| !15 = !{!"clang version 3.8.0 (trunk 248211) (llvm/trunk 248217)"} |
| !16 = !DILocalVariable(name: "argc", arg: 1, scope: !6, file: !1, line: 4, type: !9) |
| !17 = !DIExpression() |
| !18 = !DILocation(line: 4, column: 15, scope: !6) |
| !19 = !DILocalVariable(name: "argv", arg: 2, scope: !6, file: !1, line: 4, type: !10) |
| !20 = !DILocation(line: 4, column: 27, scope: !6) |
| !21 = !DILocation(line: 5, column: 8, scope: !22) |
| !22 = distinct !DILexicalBlock(scope: !6, file: !1, line: 5, column: 8) |
| !23 = !DILocation(line: 5, column: 13, scope: !22) |
| !24 = !DILocation(line: 5, column: 8, scope: !6) |
| !25 = !DILocation(line: 6, column: 6, scope: !22) |
| !26 = !DILocalVariable(name: "result", scope: !6, file: !1, line: 7, type: !4) |
| !27 = !DILocation(line: 7, column: 11, scope: !6) |
| !28 = !DILocalVariable(name: "limit", scope: !6, file: !1, line: 8, type: !9) |
| !29 = !DILocation(line: 8, column: 8, scope: !6) |
| !30 = !DILocation(line: 8, column: 21, scope: !6) |
| !31 = !DILocation(line: 8, column: 16, scope: !6) |
| !32 = !DILocation(line: 9, column: 8, scope: !33) |
| !33 = distinct !DILexicalBlock(scope: !6, file: !1, line: 9, column: 8) |
| !34 = !DILocation(line: 9, column: 14, scope: !33) |
| !35 = !DILocation(line: 9, column: 8, scope: !6) |
| !36 = !DILocalVariable(name: "s", scope: !37, file: !1, line: 10, type: !4) |
| !37 = distinct !DILexicalBlock(scope: !33, file: !1, line: 9, column: 21) |
| !38 = !DILocation(line: 10, column: 13, scope: !37) |
| !39 = !DILocation(line: 10, column: 34, scope: !37) |
| !40 = !DILocation(line: 10, column: 29, scope: !37) |
| !41 = !DILocation(line: 10, column: 27, scope: !37) |
| !42 = !DILocalVariable(name: "u", scope: !43, file: !1, line: 11, type: !9) |
| !43 = distinct !DILexicalBlock(scope: !37, file: !1, line: 11, column: 6) |
| !44 = !DILocation(line: 11, column: 15, scope: !43) |
| !45 = !DILocation(line: 11, column: 11, scope: !43) |
| !46 = !DILocation(line: 11, column: 22, scope: !47) |
| !47 = distinct !DILexicalBlock(scope: !43, file: !1, line: 11, column: 6) |
| !48 = !DILocation(line: 11, column: 26, scope: !47) |
| !49 = !DILocation(line: 11, column: 24, scope: !47) |
| !50 = !DILocation(line: 11, column: 6, scope: !43) |
| !51 = !DILocalVariable(name: "x", scope: !52, file: !1, line: 12, type: !4) |
| !52 = distinct !DILexicalBlock(scope: !47, file: !1, line: 11, column: 38) |
| !53 = !DILocation(line: 12, column: 15, scope: !52) |
| !54 = !DILocation(line: 12, column: 19, scope: !52) |
| !55 = !DILocation(line: 13, column: 12, scope: !52) |
| !56 = !DILocation(line: 13, column: 14, scope: !52) |
| !57 = !DILocation(line: 13, column: 32, scope: !52) |
| !58 = !DILocation(line: 13, column: 22, scope: !52) |
| !59 = !DILocation(line: 13, column: 10, scope: !52) |
| !60 = !DILocation(line: 14, column: 13, scope: !52) |
| !61 = !DILocation(line: 14, column: 24, scope: !52) |
| !62 = !DILocation(line: 14, column: 22, scope: !52) |
| !63 = !DILocation(line: 14, column: 26, scope: !52) |
| !64 = !DILocation(line: 14, column: 15, scope: !52) |
| !65 = !DILocation(line: 14, column: 10, scope: !52) |
| !66 = !DILocation(line: 15, column: 6, scope: !52) |
| !67 = !DILocation(line: 11, column: 34, scope: !47) |
| !68 = !DILocation(line: 11, column: 6, scope: !47) |
| !69 = !DILocation(line: 16, column: 15, scope: !37) |
| !70 = !DILocation(line: 16, column: 13, scope: !37) |
| !71 = !DILocation(line: 17, column: 4, scope: !37) |
| !72 = !DILocation(line: 18, column: 20, scope: !73) |
| !73 = distinct !DILexicalBlock(scope: !33, file: !1, line: 17, column: 11) |
| !74 = !DILocation(line: 18, column: 15, scope: !73) |
| !75 = !DILocation(line: 18, column: 13, scope: !73) |
| !76 = !DILocation(line: 20, column: 30, scope: !6) |
| !77 = !DILocation(line: 20, column: 4, scope: !6) |
| !78 = !DILocation(line: 21, column: 4, scope: !6) |
| !79 = !DILocation(line: 22, column: 2, scope: !6) |