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