diff options
Diffstat (limited to 'clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c')
| -rw-r--r-- | clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c b/clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c index d5554b98d4a..1b543a3a7ff 100644 --- a/clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c +++ b/clang/test/CodeGen/catch-implicit-integer-truncations-basics-negatives.c @@ -1,7 +1,9 @@ -// RUN: %clang_cc1 -fsanitize=implicit-integer-truncation -fsanitize-recover=implicit-integer-truncation -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_implicit_conversion" --check-prefixes=CHECK +// RUN: %clang_cc1 -fsanitize=implicit-unsigned-integer-truncation,implicit-signed-integer-truncation -fsanitize-recover=implicit-unsigned-integer-truncation,implicit-signed-integer-truncation -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_implicit_conversion" --check-prefixes=CHECK -// CHECK-DAG: @[[LINE_100_TRUNCATION:.*]] = {{.*}}, i32 100, i32 10 }, {{.*}}, {{.*}}, i8 0 } -// CHECK-DAG: @[[LINE_300_TRUNCATION:.*]] = {{.*}}, i32 300, i32 10 }, {{.*}}, {{.*}}, i8 0 } +// CHECK-DAG: @[[LINE_100_UNSIGNED_TRUNCATION:.*]] = {{.*}}, i32 100, i32 10 }, {{.*}}, {{.*}}, i8 1 } +// CHECK-DAG: @[[LINE_200_UNSIGNED_TRUNCATION:.*]] = {{.*}}, i32 200, i32 10 }, {{.*}}, {{.*}}, i8 1 } +// CHECK-DAG: @[[LINE_300_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 300, i32 10 }, {{.*}}, {{.*}}, i8 2 } +// CHECK-DAG: @[[LINE_400_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 400, i32 10 }, {{.*}}, {{.*}}, i8 2 } //----------------------------------------------------------------------------// // Unsigned case. @@ -10,7 +12,7 @@ // CHECK-LABEL: @blacklist_0_convert_unsigned_int_to_unsigned_char __attribute__((no_sanitize("undefined"))) unsigned char blacklist_0_convert_unsigned_int_to_unsigned_char(unsigned int x) { // We are not in "undefined" group, so that doesn't work. - // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_100_TRUNCATION]] to i8*) + // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_100_UNSIGNED_TRUNCATION]] to i8*) #line 100 return x; } @@ -30,6 +32,19 @@ __attribute__((no_sanitize("implicit-integer-truncation"))) unsigned char blackl return x; } +// CHECK-LABEL: @blacklist_4_convert_unsigned_int_to_unsigned_char +__attribute__((no_sanitize("implicit-unsigned-integer-truncation"))) unsigned char blacklist_4_convert_unsigned_int_to_unsigned_char(unsigned int x) { + return x; +} + +// CHECK-LABEL: @blacklist_5_convert_unsigned_int_to_unsigned_char +__attribute__((no_sanitize("implicit-signed-integer-truncation"))) unsigned char blacklist_5_convert_unsigned_int_to_unsigned_char(unsigned int x) { + // This is an unsigned truncation, not signed-one. + // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_200_UNSIGNED_TRUNCATION]] to i8*) +#line 200 + return x; +} + //----------------------------------------------------------------------------// // Signed case. //----------------------------------------------------------------------------// @@ -37,7 +52,7 @@ __attribute__((no_sanitize("implicit-integer-truncation"))) unsigned char blackl // CHECK-LABEL: @blacklist_0_convert_signed_int_to_signed_char __attribute__((no_sanitize("undefined"))) signed char blacklist_0_convert_signed_int_to_signed_char(signed int x) { // We are not in "undefined" group, so that doesn't work. - // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_300_TRUNCATION]] to i8*) + // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_300_SIGNED_TRUNCATION]] to i8*) #line 300 return x; } @@ -56,3 +71,16 @@ __attribute__((no_sanitize("implicit-conversion"))) signed char blacklist_2_conv __attribute__((no_sanitize("implicit-integer-truncation"))) signed char blacklist_3_convert_signed_int_to_signed_char(signed int x) { return x; } + +// CHECK-LABEL: @blacklist_4_convert_signed_int_to_signed_char +__attribute__((no_sanitize("implicit-signed-integer-truncation"))) signed char blacklist_4_convert_signed_int_to_signed_char(signed int x) { + return x; +} + +// CHECK-LABEL: @blacklist_5_convert_signed_int_to_signed_char +__attribute__((no_sanitize("implicit-unsigned-integer-truncation"))) signed char blacklist_5_convert_signed_int_to_signed_char(signed int x) { + // This is an signed truncation, not unsigned-one. + // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_400_SIGNED_TRUNCATION]] to i8*) +#line 400 + return x; +} |
