1*67e74705SXin Li // RUN: %clang_cc1 -triple arm64-apple-ios -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s 2*67e74705SXin Li // RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s 3*67e74705SXin Li // RUN: %clang_cc1 -triple armv7-apple-ios -ffreestanding -target-cpu cortex-a8 -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-SIGNED-POLY %s 4*67e74705SXin Li 5*67e74705SXin Li #include <arm_neon.h> 6*67e74705SXin Li 7*67e74705SXin Li // Polynomial types really should be universally unsigned, otherwise casting 8*67e74705SXin Li // (say) poly8_t "x^7" to poly16_t would change it to "x^15 + x^14 + ... + 9*67e74705SXin Li // x^7". Unfortunately 32-bit ARM ended up in a slightly delicate ABI situation 10*67e74705SXin Li // so for now it got that wrong. 11*67e74705SXin Li test_poly8(poly8_t pIn)12*67e74705SXin Lipoly16_t test_poly8(poly8_t pIn) { 13*67e74705SXin Li // CHECK-UNSIGNED-POLY: @_Z10test_poly8h 14*67e74705SXin Li // CHECK-UNSIGNED-POLY: zext i8 {{.*}} to i16 15*67e74705SXin Li 16*67e74705SXin Li // CHECK-SIGNED-POLY: @_Z10test_poly8a 17*67e74705SXin Li // CHECK-SIGNED-POLY: sext i8 {{.*}} to i16 18*67e74705SXin Li 19*67e74705SXin Li return pIn; 20*67e74705SXin Li } 21