xref: /aosp_15_r20/external/clang/test/CodeGenCUDA/convergent.cu (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // REQUIRES: x86-registered-target
2*67e74705SXin Li // REQUIRES: nvptx-registered-target
3*67e74705SXin Li 
4*67e74705SXin Li // RUN: %clang_cc1 -fcuda-is-device -triple nvptx-nvidia-cuda -emit-llvm \
5*67e74705SXin Li // RUN:   -disable-llvm-passes -o - %s | FileCheck -check-prefix DEVICE %s
6*67e74705SXin Li 
7*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm \
8*67e74705SXin Li // RUN:   -disable-llvm-passes -o - %s | \
9*67e74705SXin Li // RUN:  FileCheck -check-prefix HOST %s
10*67e74705SXin Li 
11*67e74705SXin Li #include "Inputs/cuda.h"
12*67e74705SXin Li 
13*67e74705SXin Li // DEVICE: Function Attrs:
14*67e74705SXin Li // DEVICE-SAME: convergent
15*67e74705SXin Li // DEVICE-NEXT: define void @_Z3foov
foo()16*67e74705SXin Li __device__ void foo() {}
17*67e74705SXin Li 
18*67e74705SXin Li // HOST: Function Attrs:
19*67e74705SXin Li // HOST-NOT: convergent
20*67e74705SXin Li // HOST-NEXT: define void @_Z3barv
21*67e74705SXin Li // DEVICE: Function Attrs:
22*67e74705SXin Li // DEVICE-SAME: convergent
23*67e74705SXin Li // DEVICE-NEXT: define void @_Z3barv
24*67e74705SXin Li __host__ __device__ void baz();
bar()25*67e74705SXin Li __host__ __device__ void bar() {
26*67e74705SXin Li   // DEVICE: call void @_Z3bazv() [[CALL_ATTR:#[0-9]+]]
27*67e74705SXin Li   baz();
28*67e74705SXin Li   // DEVICE: call i32 asm "trap;", "=l"() [[ASM_ATTR:#[0-9]+]]
29*67e74705SXin Li   int x;
30*67e74705SXin Li   asm ("trap;" : "=l"(x));
31*67e74705SXin Li   // DEVICE: call void asm sideeffect "trap;", ""() [[ASM_ATTR:#[0-9]+]]
32*67e74705SXin Li   asm volatile ("trap;");
33*67e74705SXin Li }
34*67e74705SXin Li 
35*67e74705SXin Li // DEVICE: declare void @_Z3bazv() [[BAZ_ATTR:#[0-9]+]]
36*67e74705SXin Li // DEVICE: attributes [[BAZ_ATTR]] = {
37*67e74705SXin Li // DEVICE-SAME: convergent
38*67e74705SXin Li // DEVICE-SAME: }
39*67e74705SXin Li // DEVICE: attributes [[CALL_ATTR]] = { convergent }
40*67e74705SXin Li // DEVICE: attributes [[ASM_ATTR]] = { convergent
41*67e74705SXin Li 
42*67e74705SXin Li // HOST: declare void @_Z3bazv() [[BAZ_ATTR:#[0-9]+]]
43*67e74705SXin Li // HOST: attributes [[BAZ_ATTR]] = {
44*67e74705SXin Li // HOST-NOT: convergent
45*67e74705SXin Li // NOST-SAME: }
46