Update LLVM for rebase to r212749.

Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls

Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18

1 files changed, 31 insertions, 0 deletions

diff --git a/test/CodeGen/R600/private-memory-atomics.ll b/test/CodeGen/R600/private-memory-atomics.ll
new file mode 100644
index 0000000..def4f9d
--- /dev/null
+++ b/test/CodeGen/R600/private-memory-atomics.ll
@@ -0,0 +1,31 @@
+; RUN: llc -verify-machineinstrs -march=r600 -mcpu=SI < %s
+
+; This works because promote allocas pass replaces these with LDS atomics.
+
+; Private atomics have no real use, but at least shouldn't crash on it.
+define void @atomicrmw_private(i32 addrspace(1)* %out, i32 %in) nounwind {
+entry:
+  %tmp = alloca [2 x i32]
+  %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
+  %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
+  store i32 0, i32* %tmp1
+  store i32 1, i32* %tmp2
+  %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
+  %tmp4 = atomicrmw add i32* %tmp3, i32 7 acq_rel
+  store i32 %tmp4, i32 addrspace(1)* %out
+  ret void
+}
+
+define void @cmpxchg_private(i32 addrspace(1)* %out, i32 %in) nounwind {
+entry:
+  %tmp = alloca [2 x i32]
+  %tmp1 = getelementptr [2 x i32]* %tmp, i32 0, i32 0
+  %tmp2 = getelementptr [2 x i32]* %tmp, i32 0, i32 1
+  store i32 0, i32* %tmp1
+  store i32 1, i32* %tmp2
+  %tmp3 = getelementptr [2 x i32]* %tmp, i32 0, i32 %in
+  %tmp4 = cmpxchg i32* %tmp3, i32 0, i32 1 acq_rel monotonic
+  %val = extractvalue { i32, i1 } %tmp4, 0
+  store i32 %val, i32 addrspace(1)* %out
+  ret void
+}