derek.holloway
7502bf64a4
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34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
// Verify proper type emitted for compound assignments
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// RUN: %clang_cc1 -ffreestanding -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=signed-integer-overflow,unsigned-integer-overflow -fsanitize-recover=signed-integer-overflow,unsigned-integer-overflow | FileCheck %s
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#include <stdint.h>
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// CHECK: @[[INT:.*]] = private unnamed_addr constant { i16, i16, [22 x i8] } { i16 0, i16 11, [22 x i8] c"'int32_t' (aka 'int')\00" }
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// CHECK: @[[LINE_100:.*]] = private unnamed_addr global {{.*}}, i32 100, i32 5 {{.*}} @[[INT]]
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// CHECK: @[[UINT:.*]] = private unnamed_addr constant { i16, i16, [32 x i8] } { i16 0, i16 10, [32 x i8] c"'uint32_t' (aka 'unsigned int')\00" }
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// CHECK: @[[LINE_200:.*]] = private unnamed_addr global {{.*}}, i32 200, i32 5 {{.*}} @[[UINT]]
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// CHECK: @[[LINE_300:.*]] = private unnamed_addr global {{.*}}, i32 300, i32 5 {{.*}} @[[INT]]
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int32_t x;
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// CHECK: @compaddsigned
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void compaddsigned(void) {
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#line 100
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x += ((int32_t)1);
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// CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_100]], {{.*}})
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}
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// CHECK: @compaddunsigned
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void compaddunsigned(void) {
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#line 200
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x += ((uint32_t)1U);
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// CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_200]], {{.*}})
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}
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// CHECK: @compdiv
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void compdiv(void) {
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#line 300
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x /= x;
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// CHECK: @__ubsan_handle_divrem_overflow(ptr @[[LINE_300]], {{.*}})
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}
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