forked from OSchip/llvm-project
571 lines
20 KiB
C
571 lines
20 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - 2>&1 | FileCheck %s
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#define strcpy(dest, src) \
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((__builtin_object_size(dest, 0) != -1ULL) \
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? __builtin___strcpy_chk (dest, src, __builtin_object_size(dest, 1)) \
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: __inline_strcpy_chk(dest, src))
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static char *__inline_strcpy_chk (char *dest, const char *src) {
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return __builtin___strcpy_chk(dest, src, __builtin_object_size(dest, 1));
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}
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char gbuf[63];
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char *gp;
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int gi, gj;
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// CHECK-LABEL: define void @test1
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void test1() {
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// CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i64 0, i64 4), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 59)
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strcpy(&gbuf[4], "Hi there");
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}
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// CHECK-LABEL: define void @test2
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void test2() {
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// CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 63)
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strcpy(gbuf, "Hi there");
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}
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// CHECK-LABEL: define void @test3
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void test3() {
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// CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i64 1, i64 37), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 0)
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strcpy(&gbuf[100], "Hi there");
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}
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// CHECK-LABEL: define void @test4
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void test4() {
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// CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i64 0, i64 -1), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 0)
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strcpy((char*)(void*)&gbuf[-1], "Hi there");
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}
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// CHECK-LABEL: define void @test5
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void test5() {
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// CHECK: = load i8*, i8** @gp
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// CHECK-NEXT:= call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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strcpy(gp, "Hi there");
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}
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// CHECK-LABEL: define void @test6
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void test6() {
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char buf[57];
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// CHECK: = call i8* @__strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 53)
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strcpy(&buf[4], "Hi there");
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}
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// CHECK-LABEL: define void @test7
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void test7() {
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int i;
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// Ensure we only evaluate the side-effect once.
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// CHECK: = add
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// CHECK-NOT: = add
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// CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), i64 63)
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strcpy((++i, gbuf), "Hi there");
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}
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// CHECK-LABEL: define void @test8
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void test8() {
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char *buf[50];
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(buf[++gi], "Hi there");
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}
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// CHECK-LABEL: define void @test9
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void test9() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy((char *)((++gi) + gj), "Hi there");
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}
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// CHECK-LABEL: define void @test10
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char **p;
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void test10() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(*(++p), "Hi there");
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}
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// CHECK-LABEL: define void @test11
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void test11() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* getelementptr inbounds ([63 x i8], [63 x i8]* @gbuf, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(gp = gbuf, "Hi there");
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}
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// CHECK-LABEL: define void @test12
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void test12() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(++gp, "Hi there");
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}
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// CHECK-LABEL: define void @test13
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void test13() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(gp++, "Hi there");
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}
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// CHECK-LABEL: define void @test14
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void test14() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(--gp, "Hi there");
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}
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// CHECK-LABEL: define void @test15
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void test15() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{..*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(gp--, "Hi there");
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}
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// CHECK-LABEL: define void @test16
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void test16() {
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// CHECK-NOT: __strcpy_chk
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// CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0))
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strcpy(gp += 1, "Hi there");
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}
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// CHECK-LABEL: @test17
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void test17() {
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// CHECK: store i32 -1
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gi = __builtin_object_size(gp++, 0);
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// CHECK: store i32 -1
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gi = __builtin_object_size(gp++, 1);
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// CHECK: store i32 0
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gi = __builtin_object_size(gp++, 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(gp++, 3);
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}
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// CHECK-LABEL: @test18
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unsigned test18(int cond) {
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int a[4], b[4];
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// CHECK: phi i32*
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// CHECK: call i64 @llvm.objectsize.i64
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return __builtin_object_size(cond ? a : b, 0);
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}
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// CHECK-LABEL: @test19
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void test19() {
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struct {
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int a, b;
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} foo;
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// CHECK: store i32 8
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gi = __builtin_object_size(&foo.a, 0);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.a, 1);
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// CHECK: store i32 8
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gi = __builtin_object_size(&foo.a, 2);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.a, 3);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.b, 0);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.b, 1);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.b, 2);
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// CHECK: store i32 4
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gi = __builtin_object_size(&foo.b, 3);
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}
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// CHECK-LABEL: @test20
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void test20() {
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struct { int t[10]; } t[10];
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// CHECK: store i32 380
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gi = __builtin_object_size(&t[0].t[5], 0);
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// CHECK: store i32 20
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gi = __builtin_object_size(&t[0].t[5], 1);
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// CHECK: store i32 380
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gi = __builtin_object_size(&t[0].t[5], 2);
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// CHECK: store i32 20
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gi = __builtin_object_size(&t[0].t[5], 3);
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}
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// CHECK-LABEL: @test21
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void test21() {
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struct { int t; } t;
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// CHECK: store i32 0
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gi = __builtin_object_size(&t + 1, 0);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t + 1, 1);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t + 1, 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t + 1, 3);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t.t + 1, 0);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t.t + 1, 1);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t.t + 1, 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t.t + 1, 3);
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}
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// CHECK-LABEL: @test22
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void test22() {
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struct { int t[10]; } t[10];
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[10], 0);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[10], 1);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[10], 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[10], 3);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[9].t[10], 0);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[9].t[10], 1);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[9].t[10], 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[9].t[10], 3);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[0] + sizeof(t), 0);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[0] + sizeof(t), 1);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[0] + sizeof(t), 2);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[0] + sizeof(t), 3);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[9].t[0] + 10*sizeof(t[0].t), 0);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[9].t[0] + 10*sizeof(t[0].t), 1);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[9].t[0] + 10*sizeof(t[0].t), 2);
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// CHECK: store i32 0
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gi = __builtin_object_size((char*)&t[9].t[0] + 10*sizeof(t[0].t), 3);
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}
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struct Test23Ty { int a; int t[10]; };
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// CHECK-LABEL: @test23
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void test23(struct Test23Ty *p) {
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(p, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(p, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
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gi = __builtin_object_size(p, 2);
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// Note: this is currently fixed at 0 because LLVM doesn't have sufficient
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// data to correctly handle type=3
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// CHECK: store i32 0
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gi = __builtin_object_size(p, 3);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(&p->a, 0);
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// CHECK: store i32 4
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gi = __builtin_object_size(&p->a, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
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gi = __builtin_object_size(&p->a, 2);
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// CHECK: store i32 4
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gi = __builtin_object_size(&p->a, 3);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(&p->t[5], 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(&p->t[5], 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
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gi = __builtin_object_size(&p->t[5], 2);
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// CHECK: store i32 20
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gi = __builtin_object_size(&p->t[5], 3);
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}
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// PR24493 -- ICE if __builtin_object_size called with NULL and (Type & 1) != 0
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// CHECK-LABEL: @test24
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void test24() {
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 true, i1 true)
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gi = __builtin_object_size((void*)0, 2);
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// Note: Currently fixed at zero because LLVM can't handle type=3 correctly.
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// Hopefully will be lowered properly in the future.
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// CHECK: store i32 0
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gi = __builtin_object_size((void*)0, 3);
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}
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// CHECK-LABEL: @test25
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void test25() {
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0x1000, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0x1000, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 true, i1 true)
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gi = __builtin_object_size((void*)0x1000, 2);
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// Note: Currently fixed at zero because LLVM can't handle type=3 correctly.
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// Hopefully will be lowered properly in the future.
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// CHECK: store i32 0
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gi = __builtin_object_size((void*)0x1000, 3);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0 + 0x1000, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size((void*)0 + 0x1000, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 true, i1 true)
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gi = __builtin_object_size((void*)0 + 0x1000, 2);
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// Note: Currently fixed at zero because LLVM can't handle type=3 correctly.
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// Hopefully will be lowered properly in the future.
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// CHECK: store i32 0
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gi = __builtin_object_size((void*)0 + 0x1000, 3);
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}
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// CHECK-LABEL: @test26
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void test26() {
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struct { int v[10]; } t[10];
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// CHECK: store i32 316
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gi = __builtin_object_size(&t[1].v[11], 0);
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// CHECK: store i32 312
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gi = __builtin_object_size(&t[1].v[12], 1);
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// CHECK: store i32 308
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gi = __builtin_object_size(&t[1].v[13], 2);
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// CHECK: store i32 0
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gi = __builtin_object_size(&t[1].v[14], 3);
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}
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struct Test27IncompleteTy;
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// CHECK-LABEL: @test27
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void test27(struct Test27IncompleteTy *t) {
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(t, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(t, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
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gi = __builtin_object_size(t, 2);
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// Note: this is currently fixed at 0 because LLVM doesn't have sufficient
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// data to correctly handle type=3
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// CHECK: store i32 0
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gi = __builtin_object_size(t, 3);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(&test27, 0);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 true)
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gi = __builtin_object_size(&test27, 1);
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// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 true, i1 true)
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gi = __builtin_object_size(&test27, 2);
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// Note: this is currently fixed at 0 because LLVM doesn't have sufficient
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// data to correctly handle type=3
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// CHECK: store i32 0
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gi = __builtin_object_size(&test27, 3);
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}
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// The intent of this test is to ensure that __builtin_object_size treats `&foo`
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// and `(T*)&foo` identically, when used as the pointer argument.
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// CHECK-LABEL: @test28
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void test28() {
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struct { int v[10]; } t[10];
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#define addCasts(s) ((char*)((short*)(s)))
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// CHECK: store i32 360
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gi = __builtin_object_size(addCasts(&t[1]), 0);
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// CHECK: store i32 360
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gi = __builtin_object_size(addCasts(&t[1]), 1);
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// CHECK: store i32 360
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gi = __builtin_object_size(addCasts(&t[1]), 2);
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// CHECK: store i32 360
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gi = __builtin_object_size(addCasts(&t[1]), 3);
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// CHECK: store i32 356
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gi = __builtin_object_size(addCasts(&t[1].v[1]), 0);
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// CHECK: store i32 36
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gi = __builtin_object_size(addCasts(&t[1].v[1]), 1);
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// CHECK: store i32 356
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gi = __builtin_object_size(addCasts(&t[1].v[1]), 2);
|
|
// CHECK: store i32 36
|
|
gi = __builtin_object_size(addCasts(&t[1].v[1]), 3);
|
|
#undef addCasts
|
|
}
|
|
|
|
struct DynStructVar {
|
|
char fst[16];
|
|
char snd[];
|
|
};
|
|
|
|
struct DynStruct0 {
|
|
char fst[16];
|
|
char snd[0];
|
|
};
|
|
|
|
struct DynStruct1 {
|
|
char fst[16];
|
|
char snd[1];
|
|
};
|
|
|
|
struct StaticStruct {
|
|
char fst[16];
|
|
char snd[2];
|
|
};
|
|
|
|
// CHECK-LABEL: @test29
|
|
void test29(struct DynStructVar *dv, struct DynStruct0 *d0,
|
|
struct DynStruct1 *d1, struct StaticStruct *ss) {
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(dv->snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(dv->snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(dv->snd, 2);
|
|
// CHECK: store i32 0
|
|
gi = __builtin_object_size(dv->snd, 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(d0->snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(d0->snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(d0->snd, 2);
|
|
// CHECK: store i32 0
|
|
gi = __builtin_object_size(d0->snd, 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(d1->snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(d1->snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(d1->snd, 2);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(d1->snd, 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(ss->snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(ss->snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(ss->snd, 2);
|
|
// CHECK: store i32 2
|
|
gi = __builtin_object_size(ss->snd, 3);
|
|
}
|
|
|
|
// CHECK-LABEL: @test30
|
|
void test30() {
|
|
struct { struct DynStruct1 fst, snd; } *nested;
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(nested->fst.snd, 0);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(nested->fst.snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(nested->fst.snd, 2);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(nested->fst.snd, 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(nested->snd.snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(nested->snd.snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(nested->snd.snd, 2);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(nested->snd.snd, 3);
|
|
|
|
union { struct DynStruct1 d1; char c[1]; } *u;
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(u->c, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(u->c, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(u->c, 2);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(u->c, 3);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(u->d1.snd, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(u->d1.snd, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(u->d1.snd, 2);
|
|
// CHECK: store i32 1
|
|
gi = __builtin_object_size(u->d1.snd, 3);
|
|
}
|
|
|
|
// CHECK-LABEL: @test31
|
|
void test31() {
|
|
// Miscellaneous 'writing off the end' detection tests
|
|
struct DynStructVar *dsv;
|
|
struct DynStruct0 *ds0;
|
|
struct DynStruct1 *ds1;
|
|
struct StaticStruct *ss;
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(ds1[9].snd, 1);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(&ss[9].snd[0], 1);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(&ds1[9].snd[0], 1);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(&ds0[9].snd[0], 1);
|
|
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(&dsv[9].snd[0], 1);
|
|
}
|
|
|
|
// CHECK-LABEL: @PR30346
|
|
void PR30346() {
|
|
struct sa_family_t {};
|
|
struct sockaddr {
|
|
struct sa_family_t sa_family;
|
|
char sa_data[14];
|
|
};
|
|
|
|
struct sockaddr *sa;
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(sa->sa_data, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 false, i1 true)
|
|
gi = __builtin_object_size(sa->sa_data, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8(i8* %{{.*}}, i1 true, i1 true)
|
|
gi = __builtin_object_size(sa->sa_data, 2);
|
|
// CHECK: store i32 14
|
|
gi = __builtin_object_size(sa->sa_data, 3);
|
|
}
|
|
|
|
extern char incomplete_char_array[];
|
|
// CHECK-LABEL: @incomplete_and_function_types
|
|
int incomplete_and_function_types() {
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8
|
|
gi = __builtin_object_size(incomplete_char_array, 0);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8
|
|
gi = __builtin_object_size(incomplete_char_array, 1);
|
|
// CHECK: call i64 @llvm.objectsize.i64.p0i8
|
|
gi = __builtin_object_size(incomplete_char_array, 2);
|
|
// CHECK: store i32 0
|
|
gi = __builtin_object_size(incomplete_char_array, 3);
|
|
}
|
|
|
|
// Flips between the pointer and lvalue evaluator a lot.
|
|
void deeply_nested() {
|
|
struct {
|
|
struct {
|
|
struct {
|
|
struct {
|
|
int e[2];
|
|
char f; // Inhibit our writing-off-the-end check
|
|
} d[2];
|
|
} c[2];
|
|
} b[2];
|
|
} *a;
|
|
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size(&a->b[1].c[1].d[1].e[1], 1);
|
|
// CHECK: store i32 4
|
|
gi = __builtin_object_size(&a->b[1].c[1].d[1].e[1], 3);
|
|
}
|