| // RUN: %clang_cc1 -triple i386-unknown-unknown -mregparm 4 %s -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple i386-unknown-unknown -fsanitize=array-bounds %s -emit-llvm -o - | FileCheck %s --check-prefix=RUNTIME0 |
| // RUN: %clang_cc1 -triple i386-unknown-unknown -mregparm 1 -fsanitize=array-bounds %s -emit-llvm -o - | FileCheck %s --check-prefix=RUNTIME1 |
| // RUN: %clang_cc1 -triple i386-unknown-unknown -mregparm 2 -fsanitize=array-bounds %s -emit-llvm -o - | FileCheck %s --check-prefix=RUNTIME2 |
| // RUN: %clang_cc1 -triple i386-unknown-unknown -mregparm 3 -fsanitize=array-bounds %s -emit-llvm -o - | FileCheck %s --check-prefix=RUNTIME2 |
| |
| void f1(int a, int b, int c, int d, |
| int e, int f, int g, int h); |
| |
| void f2(int a, int b) __attribute((regparm(0))); |
| |
| void f0(void) { |
| // CHECK: call void @f1(i32 inreg noundef 1, i32 inreg noundef 2, i32 inreg noundef 3, i32 inreg noundef 4, |
| // CHECK: i32 noundef 5, i32 noundef 6, i32 noundef 7, i32 noundef 8) |
| f1(1, 2, 3, 4, 5, 6, 7, 8); |
| // CHECK: call void @f2(i32 noundef 1, i32 noundef 2) |
| f2(1, 2); |
| } |
| |
| struct has_array { |
| int a; |
| int b[4]; |
| int c; |
| }; |
| |
| int access(struct has_array *p, int index) |
| { |
| return p->b[index]; |
| } |
| |
| // CHECK: declare void @f1(i32 inreg noundef, i32 inreg noundef, i32 inreg noundef, i32 inreg noundef, |
| // CHECK: i32 noundef, i32 noundef, i32 noundef, i32 noundef) |
| // CHECK: declare void @f2(i32 noundef, i32 noundef) |
| |
| // RUNTIME0: declare void @__ubsan_handle_out_of_bounds_abort(ptr, i32) |
| // RUNTIME1: declare void @__ubsan_handle_out_of_bounds_abort(ptr inreg, i32) |
| // RUNTIME2: declare void @__ubsan_handle_out_of_bounds_abort(ptr inreg, i32 inreg) |
