1 // REQUIRES: amdgpu-registered-target 2 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -x hip -emit-llvm -fcuda-is-device \ 3 // RUN: -o - %s | FileCheck --enable-var-scope %s 4 5 #define __device__ __attribute__((device)) 6 7 extern "C" __device__ int printf(const char *format, ...); 8 9 __device__ int foo1() { 10 const char *s = "hello world"; 11 return printf("%.*f %*.*s %p\n", 8, 3.14159, 8, 4, s, s); 12 } 13 14 // CHECK-LABEL: @_Z4foo1v() 15 // CHECK: [[BEGIN:%.*]] = call i64 @__ockl_printf_begin(i64 0) 16 // CHECK: [[STRLEN1:%.*]] = phi i64 [ %{{[^,]*}}, %{{[^ ]*}} ], [ 0, %{{[^ ]*}} ] 17 // CHECK: [[APPEND1:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[BEGIN]], {{.*}}, i64 [[STRLEN1]], i32 0) 18 // CHECK: [[APPEND2:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND1]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0) 19 // CHECK: [[APPEND3:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND2]], i32 1, i64 4614256650576692846, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0) 20 // CHECK: [[APPEND4:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND3]], i32 1, i64 8, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0) 21 // CHECK: [[APPEND5:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND4]], i32 1, i64 4, i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 0) 22 // CHECK: [[STRLEN2:%.*]] = phi i64 [ %{{[^,]*}}, %{{[^ ]*}} ], [ 0, %{{[^ ]*}} ] 23 // CHECK: [[APPEND6:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[APPEND5]], {{.*}}, i64 [[STRLEN2]], i32 0) 24 // CHECK: [[PTR2INT:%.*]] = ptrtoint i8* %{{.*}} to i64 25 // CHECK: [[APPEND7:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND6]], i32 1, i64 [[PTR2INT]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1) 26 // CHECK: [[RETURN:%.*]] = trunc i64 [[APPEND7]] to i32 27 // CHECK: ret i32 [[RETURN]] 28 29 __device__ char *dstr; 30 31 __device__ int foo2() { 32 return printf("%s %p\n", dstr, dstr); 33 } 34 35 // CHECK-LABEL: @_Z4foo2v() 36 // CHECK: [[BEGIN:%.*]] = call i64 @__ockl_printf_begin(i64 0) 37 // CHECK: [[STRLEN1:%.*]] = phi i64 [ %{{[^,]*}}, %{{[^ ]*}} ], [ 0, %{{[^ ]*}} ] 38 // CHECK: [[APPEND1:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[BEGIN]], {{.*}}, i64 [[STRLEN1]], i32 0) 39 // CHECK: [[STRLEN2:%.*]] = phi i64 [ %{{[^,]*}}, %{{[^ ]*}} ], [ 0, %{{[^ ]*}} ] 40 // CHECK: [[APPEND2:%.*]] = call i64 @__ockl_printf_append_string_n(i64 [[APPEND1]], {{.*}}, i64 [[STRLEN2]], i32 0) 41 // CHECK: [[PTR2INT:%.*]] = ptrtoint i8* %{{.*}} to i64 42 // CHECK: [[APPEND3:%.*]] = call i64 @__ockl_printf_append_args(i64 [[APPEND2]], i32 1, i64 [[PTR2INT]], i64 0, i64 0, i64 0, i64 0, i64 0, i64 0, i32 1) 43 // CHECK: [[RETURN:%.*]] = trunc i64 [[APPEND3]] to i32 44 // CHECK: ret i32 [[RETURN]] 45