a1d77caaab
Enhance tests introduced in #94056, #96992, #98276 and #98847 by adding RUN and CHECK lines against linux triples.
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
// RUN: %clang_cc1 %s -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- -fptrauth-function-pointer-type-discrimination | FileCheck -check-prefixes CHECK,TYPE %s
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// RUN: %clang_cc1 %s -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- -fptrauth-function-pointer-type-discrimination | FileCheck -check-prefixes CHECK,TYPE %s
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// RUN: %clang_cc1 %s -triple arm64e-apple-ios13 -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- | FileCheck -check-prefixes CHECK,ZERO %s
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// RUN: %clang_cc1 %s -triple aarch64-linux-gnu -fptrauth-calls -fptrauth-intrinsics -emit-llvm -o- | FileCheck -check-prefixes CHECK,ZERO %s
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typedef void (*fptr_t)(void);
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char *cptr;
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void (*fptr)(void);
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// CHECK-LABEL: define{{.*}} void @test1
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void test1() {
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// TYPE: [[LOAD:%.*]] = load ptr, ptr @cptr
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// TYPE: [[TOINT:%.*]] = ptrtoint ptr [[LOAD]] to i64
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// TYPE: call i64 @llvm.ptrauth.resign(i64 [[TOINT]], i32 0, i64 0, i32 0, i64 18983)
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// TYPE: call void {{.*}}() [ "ptrauth"(i32 0, i64 18983) ]
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// ZERO-NOT: @llvm.ptrauth.resign
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(*(fptr_t)cptr)();
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}
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// CHECK-LABEL: define{{.*}} i8 @test2
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char test2() {
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return *(char *)fptr;
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// TYPE: [[LOAD:%.*]] = load ptr, ptr @fptr
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// TYPE: [[CMP:%.*]] = icmp ne ptr [[LOAD]], null
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// TYPE-NEXT: br i1 [[CMP]], label %[[NONNULL:.*]], label %[[CONT:.*]]
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// TYPE: [[NONNULL]]:
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// TYPE: [[TOINT:%.*]] = ptrtoint ptr [[LOAD]] to i64
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// TYPE: [[CALL:%.*]] = call i64 @llvm.ptrauth.resign(i64 [[TOINT]], i32 0, i64 18983, i32 0, i64 0)
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// TYPE: [[TOPTR:%.*]] = inttoptr i64 [[CALL]] to ptr
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// TYPE: [[CONT]]:
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// TYPE: phi ptr [ null, {{.*}} ], [ [[TOPTR]], %[[NONNULL]] ]
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// ZERO-NOT: @llvm.ptrauth.resign
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}
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// CHECK-LABEL: define{{.*}} void @test4
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void test4() {
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(*((fptr_t)(&*((char *)(&*(fptr_t)cptr)))))();
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// CHECK: [[LOAD:%.*]] = load ptr, ptr @cptr
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// TYPE-NEXT: [[CAST4:%.*]] = ptrtoint ptr [[LOAD]] to i64
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// TYPE-NEXT: [[RESIGN:%.*]] = call i64 @llvm.ptrauth.resign(i64 [[CAST4]], i32 0, i64 0, i32 0, i64 18983)
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// TYPE-NEXT: [[CAST5:%.*]] = inttoptr i64 [[RESIGN]] to ptr
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// TYPE-NEXT: call void [[CAST5]]() [ "ptrauth"(i32 0, i64 18983) ]
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// ZERO-NOT: @llvm.ptrauth.resign
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// ZERO: call void [[LOAD]]() [ "ptrauth"(i32 0, i64 0) ]
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}
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void *vptr;
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// CHECK-LABEL: define{{.*}} void @test5
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void test5() {
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vptr = &*(char *)fptr;
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// TYPE: [[LOAD:%.*]] = load ptr, ptr @fptr
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// TYPE-NEXT: [[CMP]] = icmp ne ptr [[LOAD]], null
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// TYPE-NEXT: br i1 [[CMP]], label %[[NONNULL:.*]], label %[[CONT:.*]]
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// TYPE: [[NONNULL]]:
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// TYPE: [[RESIGN:%.*]] = call i64 @llvm.ptrauth.resign(i64 {{.*}}, i32 0, i64 18983, i32 0, i64 0)
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// TYPE: [[CAST:%.*]] = inttoptr i64 [[RESIGN]] to ptr
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// TYPE: [[CONT]]:
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// TYPE: [[PHI:%.*]] = phi ptr [ null, {{.*}} ], [ [[CAST]], %[[NONNULL]] ]
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// TYPE: store ptr [[PHI]], ptr @vptr
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// ZERO-NOT: @llvm.ptrauth.resign
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}
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