add a __sync_swap builtin to fill out the rest of the __sync builtins.
Patch by Dave Zarzycki!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129189 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/atomic.c b/test/CodeGen/atomic.c
index 4a7c13f..8ce2d96 100644
--- a/test/CodeGen/atomic.c
+++ b/test/CodeGen/atomic.c
@@ -44,6 +44,11 @@
// CHECK: call i32 @llvm.atomic.swap.i32.p0i32(i32* %val, i32 7)
// CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+ old = __sync_swap(&val, 8);
+ // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+ // CHECK: call i32 @llvm.atomic.swap.i32.p0i32(i32* %val, i32 8)
+ // CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+
old = __sync_val_compare_and_swap(&val, 4, 1976);
// CHECK: call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
// CHECK: call i32 @llvm.atomic.cmp.swap.i32.p0i32(i32* %val, i32 4, i32 1976)