xref: /aosp_15_r20/external/clang/test/CodeGen/neon-immediate-ubsan.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple armv7s-linux-gnu -emit-llvm -o - %s \
2*67e74705SXin Li // RUN:     -target-feature +neon -target-cpu cortex-a8 \
3*67e74705SXin Li // RUN:     -fsanitize=signed-integer-overflow \
4*67e74705SXin Li // RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=ARMV7
5*67e74705SXin Li 
6*67e74705SXin Li // RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm -o - %s \
7*67e74705SXin Li // RUN:     -target-feature +neon -target-cpu cortex-a53 \
8*67e74705SXin Li // RUN:     -fsanitize=signed-integer-overflow \
9*67e74705SXin Li // RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=AARCH64
10*67e74705SXin Li 
11*67e74705SXin Li // Verify we emit constants for "immediate" builtin arguments.
12*67e74705SXin Li // Emitting a scalar expression can make the immediate be generated as
13*67e74705SXin Li // overflow intrinsics, if the overflow sanitizer is enabled.
14*67e74705SXin Li 
15*67e74705SXin Li // PR23517
16*67e74705SXin Li 
17*67e74705SXin Li #include <arm_neon.h>
18*67e74705SXin Li 
test_vqrshrn_n_s64(int64x2_t a)19*67e74705SXin Li int32x2_t test_vqrshrn_n_s64(int64x2_t a) {
20*67e74705SXin Li   // CHECK-LABEL: @test_vqrshrn_n_s64
21*67e74705SXin Li   // CHECK-AARCH64: call <2 x i32> @llvm.aarch64.neon.sqrshrn.v2i32(<2 x i64> {{.*}}, i32 1)
22*67e74705SXin Li   // CHECK-ARMV7: call <2 x i32> @llvm.arm.neon.vqrshiftns.v2i32(<2 x i64> {{.*}}, <2 x i64> <i64 -1, i64 -1>)
23*67e74705SXin Li   return vqrshrn_n_s64(a, 0 + 1);
24*67e74705SXin Li }
25