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[NFC][clang] Update ubsan-trap-merge.c test to show absence of nomerge in non-trap mode #119280

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Merged
merged 6 commits into from
Dec 10, 2024
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[NFC][clang] Update ubsan-trap-merge.c test to show absence of nomerge in non-trap mode #119280

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1b3a647
[NFC][clang] Add ubsan-handler-merge.c test to show absence of nomerge
thurstond Dec 9, 2024
5441f68
Merge ubsan-trap-merge.c with ubsan-handler-merge.c, and test min-rt,
thurstond Dec 9, 2024
6e027cb
Remove unnecessary metadata check
thurstond Dec 9, 2024
32d541c
no \
vitalybuka Dec 10, 2024
2d4a3e6
reorder command line args
vitalybuka Dec 10, 2024
b598c47
allign
vitalybuka Dec 10, 2024
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113 changes: 113 additions & 0 deletions clang/test/CodeGen/ubsan-handler-merge.c
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// NOTE: Assertions have mostly been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
// The most important assertion is the attributes at the end of the file, which
// shows that -ubsan-unique-traps does not attach 'nomerge' to each ubsan handler.
//
// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -fsanitize=signed-integer-overflow -O3 -mllvm -ubsan-unique-traps %s -o - \
// RUN: | FileCheck %s
//
// REQUIRES: x86-registered-target

// CHECK-LABEL: define dso_local range(i32 -2147483523, -2147483648) i32 @f(
// CHECK-SAME: i32 noundef [[X:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 125), !nosanitize [[META2:![0-9]+]]
// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP1]], label %[[HANDLER_ADD_OVERFLOW:.*]], label %[[CONT:.*]], !prof [[PROF3:![0-9]+]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW]]:
// CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[X]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB1:[0-9]+]], i64 [[TMP2]], i64 125) #[[ATTR4:[0-9]+]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[CONT]]:
// CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]]
// CHECK-NEXT: ret i32 [[TMP3]]
//
int f(int x) {
return x + 125;
}

// CHECK-LABEL: define dso_local range(i32 -2147483521, -2147483648) i32 @g(
// CHECK-SAME: i32 noundef [[X:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 127), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP1]], label %[[HANDLER_ADD_OVERFLOW:.*]], label %[[CONT:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW]]:
// CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[X]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB2:[0-9]+]], i64 [[TMP2]], i64 127) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[CONT]]:
// CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]]
// CHECK-NEXT: ret i32 [[TMP3]]
//
int g(int x) {
return x + 127;
}

// CHECK-LABEL: define dso_local range(i32 -2147483521, -2147483648) i32 @h(
// CHECK-SAME: i32 noundef [[X:%.*]], i32 noundef [[Y:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 127), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP1]], label %[[HANDLER_ADD_OVERFLOW:.*]], label %[[CONT:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW]]:
// CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[X]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB3:[0-9]+]], i64 [[TMP2]], i64 127) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[CONT]]:
// CHECK-NEXT: [[TMP3:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[Y]], i32 129), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i32, i1 } [[TMP3]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP4]], label %[[HANDLER_ADD_OVERFLOW1:.*]], label %[[CONT2:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW1]]:
// CHECK-NEXT: [[TMP5:%.*]] = zext nneg i32 [[Y]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB4:[0-9]+]], i64 [[TMP5]], i64 129) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[CONT2]]:
// CHECK-NEXT: [[TMP6:%.*]] = extractvalue { i32, i1 } [[TMP3]], 0, !nosanitize [[META2]]
// CHECK-NEXT: [[TMP7:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]]
// CHECK-NEXT: [[COND:%.*]] = tail call i32 @llvm.smin.i32(i32 [[TMP7]], i32 [[TMP6]])
// CHECK-NEXT: ret i32 [[COND]]
//
int h(int x, int y) {
x += 127;
y += 129;
return x < y ? x : y;
}

// CHECK-LABEL: define dso_local noundef i32 @m(
// CHECK-SAME: i32 noundef [[X:%.*]], i32 noundef [[Y:%.*]]) local_unnamed_addr #[[ATTR0]] {
// CHECK-NEXT: [[ENTRY:.*:]]
// CHECK-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 125), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP1]], label %[[HANDLER_ADD_OVERFLOW_I:.*]], label %[[F_EXIT:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW_I]]:
// CHECK-NEXT: [[TMP2:%.*]] = zext nneg i32 [[X]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB1]], i64 [[TMP2]], i64 125) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[F_EXIT]]:
// CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]]
// CHECK-NEXT: [[TMP4:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[Y]], i32 127), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP5:%.*]] = extractvalue { i32, i1 } [[TMP4]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP5]], label %[[HANDLER_ADD_OVERFLOW_I2:.*]], label %[[G_EXIT:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW_I2]]:
// CHECK-NEXT: [[TMP6:%.*]] = zext nneg i32 [[Y]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB2]], i64 [[TMP6]], i64 127) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[G_EXIT]]:
// CHECK-NEXT: [[TMP7:%.*]] = extractvalue { i32, i1 } [[TMP4]], 0, !nosanitize [[META2]]
// CHECK-NEXT: [[TMP8:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[TMP3]], i32 [[TMP7]]), !nosanitize [[META2]]
// CHECK-NEXT: [[TMP9:%.*]] = extractvalue { i32, i1 } [[TMP8]], 1, !nosanitize [[META2]]
// CHECK-NEXT: br i1 [[TMP9]], label %[[HANDLER_ADD_OVERFLOW:.*]], label %[[CONT:.*]], !prof [[PROF3]], !nosanitize [[META2]]
// CHECK: [[HANDLER_ADD_OVERFLOW]]:
// CHECK-NEXT: [[TMP10:%.*]] = zext i32 [[TMP3]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: [[TMP11:%.*]] = zext i32 [[TMP7]] to i64, !nosanitize [[META2]]
// CHECK-NEXT: tail call void @__ubsan_handle_add_overflow_abort(ptr nonnull @[[GLOB5:[0-9]+]], i64 [[TMP10]], i64 [[TMP11]]) #[[ATTR4]], !nosanitize [[META2]]
// CHECK-NEXT: unreachable, !nosanitize [[META2]]
// CHECK: [[CONT]]:
// CHECK-NEXT: [[TMP12:%.*]] = extractvalue { i32, i1 } [[TMP8]], 0, !nosanitize [[META2]]
// CHECK-NEXT: ret i32 [[TMP12]]
//
int m(int x, int y) {
return f(x) + g(y);
}
//.
// CHECK: attributes #[[ATTR4]] = { noreturn nounwind }
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