replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[Clang] Fix the incorrect return type of atomic_is_lock_free 

Fixing the return type of atomic_is_lock_free as per
https://en.cppreference.com/w/c/atomic/atomic_is_lock_free

Differential Revision: https://reviews.llvm.org/D79504
This commit is contained in:
Kamlesh Kumar 2020-05-11 10:47:42 -04:00 committed by Louis Dionne
parent 8dbbb22383
commit 9aee35bcc9
3 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
clang/include/clang/Basic/Builtins.def
View File

@ -724,7 +724,7 @@ ATOMIC_BUILTIN(__c11_atomic_fetch_max, "v.", "t")
ATOMIC_BUILTIN(__c11_atomic_fetch_min, "v.", "t")
BUILTIN(__c11_atomic_thread_fence, "vi", "n")
BUILTIN(__c11_atomic_signal_fence, "vi", "n")
BUILTIN(__c11_atomic_is_lock_free, "iz", "n")
BUILTIN(__c11_atomic_is_lock_free, "bz", "n")
// GNU atomic builtins.
ATOMIC_BUILTIN(__atomic_load, "v.", "t")
@ -753,8 +753,8 @@ BUILTIN(__atomic_test_and_set, "bvD*i", "n")
BUILTIN(__atomic_clear, "vvD*i", "n")
BUILTIN(__atomic_thread_fence, "vi", "n")
BUILTIN(__atomic_signal_fence, "vi", "n")
BUILTIN(__atomic_always_lock_free, "izvCD*", "n")
BUILTIN(__atomic_is_lock_free, "izvCD*", "n")
BUILTIN(__atomic_always_lock_free, "bzvCD*", "n")
BUILTIN(__atomic_is_lock_free, "bzvCD*", "n")
// OpenCL 2.0 atomic builtins.
ATOMIC_BUILTIN(__opencl_atomic_init, "v.", "t")

10
clang/test/CodeGen/atomic-ops.c
View File

@ -343,20 +343,20 @@ struct Incomplete;
int lock_free(struct Incomplete *incomplete) {
// CHECK-LABEL: @lock_free
// CHECK: call i32 @__atomic_is_lock_free(i32 3, i8* null)
// CHECK: call zeroext i1 @__atomic_is_lock_free(i32 3, i8* null)
__c11_atomic_is_lock_free(3);
// CHECK: call i32 @__atomic_is_lock_free(i32 16, i8* {{.*}}@sixteen{{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i32 16, i8* {{.*}}@sixteen{{.*}})
__atomic_is_lock_free(16, &sixteen);
// CHECK: call i32 @__atomic_is_lock_free(i32 17, i8* {{.*}}@seventeen{{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i32 17, i8* {{.*}}@seventeen{{.*}})
__atomic_is_lock_free(17, &seventeen);
// CHECK: call i32 @__atomic_is_lock_free(i32 4, {{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i32 4, {{.*}})
__atomic_is_lock_free(4, incomplete);
char cs[20];
// CHECK: call i32 @__atomic_is_lock_free(i32 4, {{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i32 4, {{.*}})
__atomic_is_lock_free(4, cs+1);
// CHECK-NOT: call

10
clang/test/CodeGen/big-atomic-ops.c
View File

@ -198,20 +198,20 @@ struct Seventeen {
int lock_free(struct Incomplete *incomplete) {
// CHECK: @lock_free
// CHECK: call i32 @__atomic_is_lock_free(i64 3, i8* null)
// CHECK: call zeroext i1 @__atomic_is_lock_free(i64 3, i8* null)
__c11_atomic_is_lock_free(3);
// CHECK: call i32 @__atomic_is_lock_free(i64 16, i8* {{.*}}@sixteen{{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i64 16, i8* {{.*}}@sixteen{{.*}})
__atomic_is_lock_free(16, &sixteen);
// CHECK: call i32 @__atomic_is_lock_free(i64 17, i8* {{.*}}@seventeen{{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i64 17, i8* {{.*}}@seventeen{{.*}})
__atomic_is_lock_free(17, &seventeen);
// CHECK: call i32 @__atomic_is_lock_free(i64 4, {{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i64 4, {{.*}})
__atomic_is_lock_free(4, incomplete);
char cs[20];
// CHECK: call i32 @__atomic_is_lock_free(i64 4, {{.*}})
// CHECK: call zeroext i1 @__atomic_is_lock_free(i64 4, {{.*}})
__atomic_is_lock_free(4, cs+1);
// CHECK-NOT: call