1 // REQUIRES: bpf-registered-target 2 // RUN: %clang_cc1 -triple bpf -emit-llvm -target-feature +alu32 %s -o - | FileCheck %s 3 // RUN: %clang_cc1 -triple bpf -emit-llvm -target-cpu v3 %s -o - | FileCheck %s 4 5 void test_generic_constraints(int var32, long var64) { 6 asm("%0 = %1" 7 : "=r"(var32) 8 : "0"(var32)); 9 // CHECK: [[R32_ARG:%[a-zA-Z0-9]+]] = load i32, i32* 10 // CHECK: call i32 asm "$0 = $1", "=r,0"(i32 [[R32_ARG]]) 11 12 asm("%0 = %1" 13 : "=r"(var64) 14 : "0"(var64)); 15 // CHECK: [[R64_ARG:%[a-zA-Z0-9]+]] = load i64, i64* 16 // CHECK: call i64 asm "$0 = $1", "=r,0"(i64 [[R64_ARG]]) 17 18 asm("%0 = %1" 19 : "=r"(var64) 20 : "r"(var64)); 21 // CHECK: [[R64_ARG:%[a-zA-Z0-9]+]] = load i64, i64* 22 // CHECK: call i64 asm "$0 = $1", "=r,r"(i64 [[R64_ARG]]) 23 } 24 25 void test_constraint_w(int a) { 26 asm("%0 = %1" 27 : "=w"(a) 28 : "w"(a)); 29 // CHECK: [[R32_ARG:%[a-zA-Z0-9]+]] = load i32, i32* 30 // CHECK: call i32 asm "$0 = $1", "=w,w"(i32 [[R32_ARG]]) 31 } 32