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// REQUIRES: bpf-registered-target
// RUN: %clang_cc1 -triple bpf -emit-llvm -target-feature +alu32 %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple bpf -emit-llvm -target-cpu v3 %s -o - | FileCheck %s
void test_generic_constraints(int var32, long var64) {
asm("%0 = %1"
: "=r"(var32)
: "0"(var32));
// CHECK: [[R32_ARG:%[a-zA-Z0-9]+]] = load i32, ptr
// CHECK: call i32 asm "$0 = $1", "=r,0"(i32 [[R32_ARG]])
asm("%0 = %1"
: "=r"(var64)
: "0"(var64));
// CHECK: [[R64_ARG:%[a-zA-Z0-9]+]] = load i64, ptr
// CHECK: call i64 asm "$0 = $1", "=r,0"(i64 [[R64_ARG]])
asm("%0 = %1"
: "=r"(var64)
: "r"(var64));
// CHECK: [[R64_ARG:%[a-zA-Z0-9]+]] = load i64, ptr
// CHECK: call i64 asm "$0 = $1", "=r,r"(i64 [[R64_ARG]])
}
void test_constraint_w(int a) {
asm("%0 = %1"
: "=w"(a)
: "w"(a));
// CHECK: [[R32_ARG:%[a-zA-Z0-9]+]] = load i32, ptr
// CHECK: call i32 asm "$0 = $1", "=w,w"(i32 [[R32_ARG]])
}
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