| James Molloy | 75f5f9e | 2014-04-16 15:33:48 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple arm64-apple-ios -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s |
| 2 | // RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -ffreestanding -S -emit-llvm -o - %s | FileCheck --check-prefix=CHECK-UNSIGNED-POLY %s |
| Tim Northover | a2ee433 | 2014-03-29 15:09:45 +0000 | [diff] [blame] | 3 | // 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 | |
| 5 | #include <arm_neon.h> |
| 6 | |
| 7 | // Polynomial types really should be universally unsigned, otherwise casting |
| 8 | // (say) poly8_t "x^7" to poly16_t would change it to "x^15 + x^14 + ... + |
| 9 | // x^7". Unfortunately 32-bit ARM ended up in a slightly delicate ABI situation |
| 10 | // so for now it got that wrong. |
| 11 | |
| 12 | poly16_t test_poly8(poly8_t pIn) { |
| 13 | // CHECK-UNSIGNED-POLY: @_Z10test_poly8h |
| 14 | // CHECK-UNSIGNED-POLY: zext i8 {{.*}} to i16 |
| 15 | |
| 16 | // CHECK-SIGNED-POLY: @_Z10test_poly8a |
| 17 | // CHECK-SIGNED-POLY: sext i8 {{.*}} to i16 |
| 18 | |
| 19 | return pIn; |
| 20 | } |