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| // RUN: %clang_cc1 -O1 -emit-llvm -fsanitize=signed-integer-overflow -fsanitize-trap=signed-integer-overflow %s -o - | FileCheck %s | ||
| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4 | ||
| // RUN: %clang_cc1 -O1 -emit-llvm -fsanitize=signed-integer-overflow -fsanitize-trap=signed-integer-overflow %s -o - | FileCheck %s | ||
| // RUN: %clang_cc1 -O1 -emit-llvm -fsanitize=signed-integer-overflow -fsanitize-trap=signed-integer-overflow -mllvm -remove-traps-random-rate=1 %s -o - | FileCheck %s --implicit-check-not="call void @llvm.ubsantrap" --check-prefixes=REMOVE | ||
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| // CHECK-LABEL: define dso_local noundef i32 @test( | ||
| // 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 123), !nosanitize [[META2:![0-9]+]] | ||
| // CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]] | ||
| // CHECK-NEXT: br i1 [[TMP1]], label [[TRAP:%.*]], label [[CONT:%.*]], !nosanitize [[META2]] | ||
| // CHECK: trap: | ||
| // CHECK-NEXT: tail call void @llvm.ubsantrap(i8 0) #[[ATTR3:[0-9]+]], !nosanitize [[META2]] | ||
| // CHECK-NEXT: unreachable, !nosanitize [[META2]] | ||
| // CHECK: cont: | ||
| // CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]] | ||
| // CHECK-NEXT: ret i32 [[TMP2]] | ||
| // | ||
| // REMOVE-LABEL: define dso_local noundef i32 @test( | ||
| // REMOVE-SAME: i32 noundef [[X:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { | ||
| // REMOVE-NEXT: entry: | ||
| // REMOVE-NEXT: [[TMP0:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X]], i32 123), !nosanitize [[META2:![0-9]+]] | ||
| // REMOVE-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 1, !nosanitize [[META2]] | ||
| // REMOVE-NEXT: [[TMP2:%.*]] = xor i1 [[TMP1]], true | ||
| // REMOVE-NEXT: tail call void @llvm.assume(i1 [[TMP2]]) | ||
| // REMOVE-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP0]], 0, !nosanitize [[META2]] | ||
| // REMOVE-NEXT: ret i32 [[TMP3]] | ||
| // | ||
| int test(int x) { | ||
| return x + 123; | ||
| } | ||
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| // CHECK-LABEL: define {{.*}}i32 @test( | ||
| // CHECK: call { i32, i1 } @llvm.sadd.with.overflow.i32( | ||
| // CHECK: trap: | ||
| // CHECK-NEXT: call void @llvm.ubsantrap(i8 0) | ||
| // CHECK-NEXT: unreachable | ||
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| // REMOVE-LABEL: define {{.*}}i32 @test( | ||
| // REMOVE: call { i32, i1 } @llvm.sadd.with.overflow.i32( | ||
| //. | ||
| // CHECK: [[META2]] = !{} | ||
| //. | ||
| // REMOVE: [[META2]] = !{} | ||
| //. |