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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs --version 22;; Check the cases involving internal CFI instrumented functions where we do not expect functions to be merged.3; RUN: opt -S -passes=mergefunc < %s | FileCheck %s4; RUN: opt -S -passes=mergefunc,lowertypetests < %s | FileCheck --check-prefix=LOWERTYPETESTS %s5 6target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"7target triple = "x86_64-unknown-linux"8 9@0 = private unnamed_addr constant { i16, i16, [12 x i8] } { i16 -1, i16 0, [12 x i8] c"'int (int)'\00" }10 11; Function Attrs: noinline nounwind optnone12define dso_local i32 @f(i32 noundef %arg) #0 !type !3 !type !4 {13entry:14 %arg.addr = alloca i32, align 415 %a = alloca i32, align 416 %b = alloca i32, align 417 store i32 %arg, ptr %arg.addr, align 418 store i32 0, ptr %b, align 419 %0 = load i32, ptr %arg.addr, align 420 %cmp = icmp sgt i32 %0, 021 br i1 %cmp, label %if.then, label %if.end22 23if.then: ; preds = %entry24 store i32 1, ptr %a, align 425 br label %if.end26 27if.end: ; preds = %if.then, %entry28 %1 = load i32, ptr %a, align 429 %2 = load i32, ptr %b, align 430 %add = add nsw i32 %1, %231 ret i32 %add32}33 34; Function Attrs: noinline nounwind optnone35define dso_local i32 @f_thunk(i32 noundef %arg) #0 !type !3 !type !4 {36entry:37 %arg.addr = alloca i32, align 438 %a = alloca i32, align 439 %b = alloca i32, align 440 store i32 %arg, ptr %arg.addr, align 441 store i32 0, ptr %b, align 442 %0 = load i32, ptr %arg.addr, align 443 %cmp = icmp sgt i32 %0, 044 br i1 %cmp, label %if.then, label %if.end45 46if.then: ; preds = %entry47 store i32 1, ptr %a, align 448 br label %if.end49 50if.end: ; preds = %if.then, %entry51 %1 = load i32, ptr %a, align 452 %2 = load i32, ptr %b, align 453 %add = add nsw i32 %1, %254 ret i32 %add55}56 57; Function Attrs: noinline nounwind optnone58define dso_local i32 @g(i32 noundef %b) #0 !type !3 !type !4 {59entry:60 %b.addr = alloca i32, align 461 %fp = alloca ptr, align 862 store i32 %b, ptr %b.addr, align 463 %0 = load i32, ptr %b.addr, align 464 %tobool = icmp ne i32 %0, 065 %1 = zext i1 %tobool to i6466 %cond = select i1 %tobool, ptr @f, ptr @f_thunk67 store ptr %cond, ptr %fp, align 868 %2 = load ptr, ptr %fp, align 869 %3 = call i1 @llvm.type.test(ptr %2, metadata !"_ZTSFiiE"), !nosanitize !570 br i1 %3, label %cont, label %trap, !nosanitize !571 72trap: ; preds = %entry73 call void @llvm.ubsantrap(i8 2) #3, !nosanitize !574 unreachable, !nosanitize !575 76cont: ; preds = %entry77 %4 = load i32, ptr %b.addr, align 478 %call = call i32 %2(i32 noundef %4)79 ret i32 %call80}81 82; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)83declare i1 @llvm.type.test(ptr, metadata) #184 85; Function Attrs: cold noreturn nounwind86declare void @llvm.ubsantrap(i8 immarg) #287 88attributes #0 = { noinline nounwind optnone "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" }89attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }90attributes #2 = { cold noreturn nounwind }91attributes #3 = { noreturn nounwind }92 93!llvm.module.flags = !{!0, !1}94 95!0 = !{i32 1, !"wchar_size", i32 4}96!1 = !{i32 4, !"CFI Canonical Jump Tables", i32 0}97!3 = !{i64 0, !"_ZTSFiiE"}98!4 = !{i64 0, !"_ZTSFiiE.generalized"}99!5 = !{}100; CHECK-LABEL: define dso_local i32 @f101; CHECK-SAME: (i32 noundef [[ARG:%.*]]) #[[ATTR0:[0-9]+]] !type [[META2:![0-9]+]] !type [[META3:![0-9]+]] {102; CHECK-NEXT: entry:103; CHECK-NEXT: [[ARG_ADDR:%.*]] = alloca i32, align 4104; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4105; CHECK-NEXT: [[B:%.*]] = alloca i32, align 4106; CHECK-NEXT: store i32 [[ARG]], ptr [[ARG_ADDR]], align 4107; CHECK-NEXT: store i32 0, ptr [[B]], align 4108; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARG_ADDR]], align 4109; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[TMP0]], 0110; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]111; CHECK: if.then:112; CHECK-NEXT: store i32 1, ptr [[A]], align 4113; CHECK-NEXT: br label [[IF_END]]114; CHECK: if.end:115; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[A]], align 4116; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[B]], align 4117; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP1]], [[TMP2]]118; CHECK-NEXT: ret i32 [[ADD]]119;120;121; CHECK-LABEL: define dso_local i32 @g122; CHECK-SAME: (i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META2]] !type [[META3]] {123; CHECK-NEXT: entry:124; CHECK-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4125; CHECK-NEXT: [[FP:%.*]] = alloca ptr, align 8126; CHECK-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4127; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4128; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0129; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64130; CHECK-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @f, ptr @f_thunk131; CHECK-NEXT: store ptr [[COND]], ptr [[FP]], align 8132; CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8133; CHECK-NEXT: [[TMP3:%.*]] = call i1 @llvm.type.test(ptr [[TMP2]], metadata !"_ZTSFiiE"), !nosanitize [[META4:![0-9]+]]134; CHECK-NEXT: br i1 [[TMP3]], label [[CONT:%.*]], label [[TRAP:%.*]], !nosanitize [[META4]]135; CHECK: trap:136; CHECK-NEXT: call void @llvm.ubsantrap(i8 2) #[[ATTR3:[0-9]+]], !nosanitize [[META4]]137; CHECK-NEXT: unreachable, !nosanitize [[META4]]138; CHECK: cont:139; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[B_ADDR]], align 4140; CHECK-NEXT: [[CALL:%.*]] = call i32 [[TMP2]](i32 noundef [[TMP4]])141; CHECK-NEXT: ret i32 [[CALL]]142;143;144; CHECK-LABEL: define dso_local i32 @f_thunk145; CHECK-SAME: (i32 noundef [[TMP0:%.*]]) #[[ATTR0]] !type [[META2]] !type [[META3]] {146; CHECK-NEXT: [[TMP2:%.*]] = tail call i32 @f(i32 noundef [[TMP0]]) #[[ATTR0]]147; CHECK-NEXT: ret i32 [[TMP2]]148;149;150; LOWERTYPETESTS-LABEL: define dso_local i32 @f151; LOWERTYPETESTS-SAME: (i32 noundef [[ARG:%.*]]) #[[ATTR0:[0-9]+]] !type [[META2:![0-9]+]] !type [[META3:![0-9]+]] {152; LOWERTYPETESTS-NEXT: entry:153; LOWERTYPETESTS-NEXT: [[ARG_ADDR:%.*]] = alloca i32, align 4154; LOWERTYPETESTS-NEXT: [[A:%.*]] = alloca i32, align 4155; LOWERTYPETESTS-NEXT: [[B:%.*]] = alloca i32, align 4156; LOWERTYPETESTS-NEXT: store i32 [[ARG]], ptr [[ARG_ADDR]], align 4157; LOWERTYPETESTS-NEXT: store i32 0, ptr [[B]], align 4158; LOWERTYPETESTS-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARG_ADDR]], align 4159; LOWERTYPETESTS-NEXT: [[CMP:%.*]] = icmp sgt i32 [[TMP0]], 0160; LOWERTYPETESTS-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]161; LOWERTYPETESTS: if.then:162; LOWERTYPETESTS-NEXT: store i32 1, ptr [[A]], align 4163; LOWERTYPETESTS-NEXT: br label [[IF_END]]164; LOWERTYPETESTS: if.end:165; LOWERTYPETESTS-NEXT: [[TMP1:%.*]] = load i32, ptr [[A]], align 4166; LOWERTYPETESTS-NEXT: [[TMP2:%.*]] = load i32, ptr [[B]], align 4167; LOWERTYPETESTS-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP1]], [[TMP2]]168; LOWERTYPETESTS-NEXT: ret i32 [[ADD]]169;170;171; LOWERTYPETESTS-LABEL: define dso_local i32 @g172; LOWERTYPETESTS-SAME: (i32 noundef [[B:%.*]]) #[[ATTR0]] !type [[META2]] !type [[META3]] {173; LOWERTYPETESTS-NEXT: entry:174; LOWERTYPETESTS-NEXT: [[B_ADDR:%.*]] = alloca i32, align 4175; LOWERTYPETESTS-NEXT: [[FP:%.*]] = alloca ptr, align 8176; LOWERTYPETESTS-NEXT: store i32 [[B]], ptr [[B_ADDR]], align 4177; LOWERTYPETESTS-NEXT: [[TMP0:%.*]] = load i32, ptr [[B_ADDR]], align 4178; LOWERTYPETESTS-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0179; LOWERTYPETESTS-NEXT: [[TMP1:%.*]] = zext i1 [[TOBOOL]] to i64180; LOWERTYPETESTS-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], ptr @.cfi.jumptable, ptr getelementptr inbounds ([2 x [8 x i8]], ptr @.cfi.jumptable, i64 0, i64 1)181; LOWERTYPETESTS-NEXT: store ptr [[COND]], ptr [[FP]], align 8182; LOWERTYPETESTS-NEXT: [[TMP2:%.*]] = load ptr, ptr [[FP]], align 8183; LOWERTYPETESTS-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[TMP2]] to i64184; LOWERTYPETESTS-NEXT: [[TMP4:%.*]] = sub i64 ptrtoint (ptr getelementptr (i8, ptr @.cfi.jumptable, i64 8) to i64), [[TMP3]]185; LOWERTYPETESTS-NEXT: [[TMP5:%.*]] = call i64 @llvm.fshr.i64(i64 [[TMP4]], i64 [[TMP4]], i64 3)186; LOWERTYPETESTS-NEXT: [[TMP6:%.*]] = icmp ule i64 [[TMP5]], 1187; LOWERTYPETESTS-NEXT: br i1 [[TMP6]], label [[CONT:%.*]], label [[TRAP:%.*]], !nosanitize [[META4:![0-9]+]]188; LOWERTYPETESTS: trap:189; LOWERTYPETESTS-NEXT: call void @llvm.ubsantrap(i8 2) #[[ATTR4:[0-9]+]], !nosanitize [[META4]]190; LOWERTYPETESTS-NEXT: unreachable, !nosanitize [[META4]]191; LOWERTYPETESTS: cont:192; LOWERTYPETESTS-NEXT: [[TMP7:%.*]] = load i32, ptr [[B_ADDR]], align 4193; LOWERTYPETESTS-NEXT: [[CALL:%.*]] = call i32 [[TMP2]](i32 noundef [[TMP7]])194; LOWERTYPETESTS-NEXT: ret i32 [[CALL]]195;196;197; LOWERTYPETESTS-LABEL: define dso_local i32 @f_thunk198; LOWERTYPETESTS-SAME: (i32 noundef [[TMP0:%.*]]) #[[ATTR0]] !type [[META2]] !type [[META3]] {199; LOWERTYPETESTS-NEXT: [[TMP2:%.*]] = tail call i32 @f(i32 noundef [[TMP0]]) #[[ATTR0]]200; LOWERTYPETESTS-NEXT: ret i32 [[TMP2]]201;202;203; LOWERTYPETESTS-LABEL: define private void @.cfi.jumptable204; LOWERTYPETESTS-SAME: () #[[ATTR3:[0-9]+]] align 8 {205; LOWERTYPETESTS-NEXT: entry:206; LOWERTYPETESTS-NEXT: call void asm sideeffect "jmp ${0:c}@plt\0Aint3\0Aint3\0Aint3\0A", "s"(ptr @f)207; LOWERTYPETESTS-NEXT: call void asm sideeffect "jmp ${0:c}@plt\0Aint3\0Aint3\0Aint3\0A", "s"(ptr @f_thunk)208; LOWERTYPETESTS-NEXT: unreachable209;210