21 lines
		
	
	
		
			967 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			967 B
		
	
	
	
		
			C++
		
	
	
	
| // 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;
 | |
| }
 |