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
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
test_poly8(poly8_t pIn)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 }
21