xref: /llvm-project/clang/test/OpenMP/amdgpu-unsafe-fp-atomics.cpp (revision e108853ac8fad27ff22be9303c87d90bcdf0ef53)
1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -emit-llvm %s -fopenmp-is-target-device -o - | FileCheck -check-prefix=DEFAULT %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple amdgcn-amd-amdhsa -fopenmp-targets=amdgcn-amd-amdhsa -munsafe-fp-atomics -emit-llvm %s -fopenmp-is-target-device -o - | FileCheck -check-prefix=UNSAFE-FP-ATOMICS %s
4 
5 #pragma omp declare target
6 
7 float fv, fx;
8 double dv, dx;
9 
10 // DEFAULT-LABEL: define hidden void @_Z15atomic_fadd_f32v(
11 // DEFAULT-SAME: ) #[[ATTR0:[0-9]+]] {
12 // DEFAULT-NEXT:  [[ENTRY:.*:]]
13 // DEFAULT-NEXT:    [[TMP0:%.*]] = load float, ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
14 // DEFAULT-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @fx to ptr), float [[TMP0]] monotonic, align 4
15 // DEFAULT-NEXT:    [[ADD:%.*]] = fadd float [[TMP1]], [[TMP0]]
16 // DEFAULT-NEXT:    store float [[ADD]], ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
17 // DEFAULT-NEXT:    ret void
18 //
19 // UNSAFE-FP-ATOMICS-LABEL: define hidden void @_Z15atomic_fadd_f32v(
20 // UNSAFE-FP-ATOMICS-SAME: ) #[[ATTR0:[0-9]+]] {
21 // UNSAFE-FP-ATOMICS-NEXT:  [[ENTRY:.*:]]
22 // UNSAFE-FP-ATOMICS-NEXT:    [[TMP0:%.*]] = load float, ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
23 // UNSAFE-FP-ATOMICS-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @fx to ptr), float [[TMP0]] monotonic, align 4, !amdgpu.no.fine.grained.memory [[META5:![0-9]+]], !amdgpu.ignore.denormal.mode [[META5]]
24 // UNSAFE-FP-ATOMICS-NEXT:    [[ADD:%.*]] = fadd float [[TMP1]], [[TMP0]]
25 // UNSAFE-FP-ATOMICS-NEXT:    store float [[ADD]], ptr addrspacecast (ptr addrspace(1) @fv to ptr), align 4
26 // UNSAFE-FP-ATOMICS-NEXT:    ret void
27 //
28 void atomic_fadd_f32() {
29 #pragma omp atomic capture
30   fv = fx = fx + fv;
31 }
32 
33 // DEFAULT-LABEL: define hidden void @_Z15atomic_fadd_f64v(
34 // DEFAULT-SAME: ) #[[ATTR0]] {
35 // DEFAULT-NEXT:  [[ENTRY:.*:]]
36 // DEFAULT-NEXT:    [[TMP0:%.*]] = load double, ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
37 // DEFAULT-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @dx to ptr), double [[TMP0]] monotonic, align 8
38 // DEFAULT-NEXT:    [[ADD:%.*]] = fadd double [[TMP1]], [[TMP0]]
39 // DEFAULT-NEXT:    store double [[ADD]], ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
40 // DEFAULT-NEXT:    ret void
41 //
42 // UNSAFE-FP-ATOMICS-LABEL: define hidden void @_Z15atomic_fadd_f64v(
43 // UNSAFE-FP-ATOMICS-SAME: ) #[[ATTR0]] {
44 // UNSAFE-FP-ATOMICS-NEXT:  [[ENTRY:.*:]]
45 // UNSAFE-FP-ATOMICS-NEXT:    [[TMP0:%.*]] = load double, ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
46 // UNSAFE-FP-ATOMICS-NEXT:    [[TMP1:%.*]] = atomicrmw fadd ptr addrspacecast (ptr addrspace(1) @dx to ptr), double [[TMP0]] monotonic, align 8, !amdgpu.no.fine.grained.memory [[META5]]
47 // UNSAFE-FP-ATOMICS-NEXT:    [[ADD:%.*]] = fadd double [[TMP1]], [[TMP0]]
48 // UNSAFE-FP-ATOMICS-NEXT:    store double [[ADD]], ptr addrspacecast (ptr addrspace(1) @dv to ptr), align 8
49 // UNSAFE-FP-ATOMICS-NEXT:    ret void
50 //
51 void atomic_fadd_f64() {
52 #pragma omp atomic capture
53   dv = dx = dx + dv;
54 }
55 
56 #pragma omp end declare target
57 //.
58 // UNSAFE-FP-ATOMICS: [[META5]] = !{}
59 //.
60