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 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
