0f1c1be196
We have a new policy in place making links to private resources something we try to avoid in source and test files. Normally, we'd organically switch to the new policy rather than make a sweeping change across a project. However, Clang is in a somewhat special circumstance currently: recently, I've had several new contributors run into rdar links around test code which their patch was changing the behavior of. This turns out to be a surprisingly bad experience, especially for newer folks, for a handful of reasons: not understanding what the link is and feeling intimidated by it, wondering whether their changes are actually breaking something important to a downstream in some way, having to hunt down strangers not involved with the patch to impose on them for help, accidental pressure from asking for potentially private IP to be made public, etc. Because folks run into these links entirely by chance (through fixing bugs or working on new features), there's not really a set of problematic links to focus on -- all of the links have basically the same potential for causing these problems. As a result, this is an omnibus patch to remove all such links. This was not a mechanical change; it was done by manually searching for rdar, radar, radr, and other variants to find all the various problematic links. From there, I tried to retain or reword the surrounding comments so that we would lose as little context as possible. However, because most links were just a plain link with no supporting context, the majority of the changes are simple removals. Differential Review: https://reviews.llvm.org/D158071
200 lines
6.2 KiB
C++
200 lines
6.2 KiB
C++
// RUN: %clang_cc1 -std=c++14 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
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// Basic test.
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namespace test0 {
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struct A {
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A();
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int x;
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test04testEs(i16 noundef signext
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// CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32
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// CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 4)
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1
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// CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0
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// CHECK-NEXT: [[T3:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T3]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
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elt *test(short s) {
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return new elt[s];
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}
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}
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// test0 with a nested array.
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namespace test1 {
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struct A {
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A();
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int x;
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};
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typedef A elt[100];
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// CHECK: define{{.*}} ptr @_ZN5test14testEs(i16 noundef signext
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// CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32
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// CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400)
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1
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// CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0
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// CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100
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// CHECK-NEXT: [[T4:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T4]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[T3]]
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elt *test(short s) {
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return new elt[s];
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}
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}
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// test1 with an array cookie.
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namespace test2 {
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struct A {
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A();
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~A();
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int x;
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};
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typedef A elt[100];
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// CHECK: define{{.*}} ptr @_ZN5test24testEs(i16 noundef signext
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// CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32
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// CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400)
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1
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// CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0
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// CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100
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// CHECK-NEXT: [[T4:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[T2]], i32 4)
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// CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T4]], 1
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// CHECK-NEXT: [[T6:%.*]] = or i1 [[T1]], [[T5]]
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// CHECK-NEXT: [[T7:%.*]] = extractvalue { i32, i1 } [[T4]], 0
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// CHECK-NEXT: [[T8:%.*]] = select i1 [[T6]], i32 -1, i32 [[T7]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T8]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[T3]]
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elt *test(short s) {
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return new elt[s];
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}
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}
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// test0 with a 1-byte element.
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namespace test4 {
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struct A {
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A();
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test44testEs(i16 noundef signext
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// CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[N]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
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elt *test(short s) {
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return new elt[s];
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}
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}
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// test4 with no sext required.
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namespace test5 {
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struct A {
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A();
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test54testEi(i32
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// CHECK: [[N:%.*]] = load i32, ptr
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[N]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
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elt *test(int s) {
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return new elt[s];
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}
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}
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// test0 with an unsigned size.
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namespace test6 {
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struct A {
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A();
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int x;
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test64testEt(i16 noundef zeroext
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// CHECK: [[N:%.*]] = zext i16 {{%.*}} to i32
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// CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 4)
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1
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// CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0
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// CHECK-NEXT: [[T3:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T3]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
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elt *test(unsigned short s) {
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return new elt[s];
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}
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}
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// test1 with an unsigned size.
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namespace test7 {
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struct A {
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A();
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int x;
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};
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typedef A elt[100];
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// CHECK: define{{.*}} ptr @_ZN5test74testEt(i16 noundef zeroext
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// CHECK: [[N:%.*]] = zext i16 {{%.*}} to i32
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// CHECK-NEXT: [[T0:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[N]], i32 400)
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// CHECK-NEXT: [[T1:%.*]] = extractvalue { i32, i1 } [[T0]], 1
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// CHECK-NEXT: [[T2:%.*]] = extractvalue { i32, i1 } [[T0]], 0
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// CHECK-NEXT: [[T3:%.*]] = mul i32 [[N]], 100
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// CHECK-NEXT: [[T4:%.*]] = select i1 [[T1]], i32 -1, i32 [[T2]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T4]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[T3]]
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elt *test(unsigned short s) {
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return new elt[s];
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}
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}
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// test0 with a signed type larger than size_t.
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namespace test8 {
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struct A {
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A();
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int x;
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test84testEx(i64
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// CHECK: [[N:%.*]] = load i64, ptr
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// CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32
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// CHECK-NEXT: [[T2:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4)
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// CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1
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// CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0
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// CHECK-NEXT: [[T6:%.*]] = select i1 [[T3]], i32 -1, i32 [[T5]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T6]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[T1]]
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elt *test(long long s) {
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return new elt[s];
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}
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}
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// test8 with an unsigned type.
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namespace test9 {
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struct A {
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A();
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int x;
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};
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typedef A elt;
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// CHECK: define{{.*}} ptr @_ZN5test94testEy(i64
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// CHECK: [[N:%.*]] = load i64, ptr
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// CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32
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// CHECK-NEXT: [[T2:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4)
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// CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1
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// CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0
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// CHECK-NEXT: [[T6:%.*]] = select i1 [[T3]], i32 -1, i32 [[T5]]
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// CHECK-NEXT: call noalias noundef nonnull ptr @_Znaj(i32 noundef [[T6]])
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// CHECK: getelementptr inbounds {{.*}}, i32 [[T1]]
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elt *test(unsigned long long s) {
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return new elt[s];
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}
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}
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