1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/micromips-atomic.ll b/test/CodeGen/Mips/micromips-atomic.ll
new file mode 100644
index 0000000..a50e0b7
--- /dev/null
+++ b/test/CodeGen/Mips/micromips-atomic.ll
@@ -0,0 +1,18 @@
+; RUN: llc %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -filetype=asm \
+; RUN: -relocation-model=pic -o - | FileCheck %s
+
+@x = common global i32 0, align 4
+
+define i32 @AtomicLoadAdd32(i32 %incr) nounwind {
+entry:
+  %0 = atomicrmw add i32* @x, i32 %incr monotonic
+  ret i32 %0
+
+; CHECK-LABEL:   AtomicLoadAdd32:
+; CHECK:   lw      $[[R0:[0-9]+]], %got(x)
+; CHECK:   $[[BB0:[A-Z_0-9]+]]:
+; CHECK:   ll      $[[R1:[0-9]+]], 0($[[R0]])
+; CHECK:   addu    $[[R2:[0-9]+]], $[[R1]], $4
+; CHECK:   sc      $[[R2]], 0($[[R0]])
+; CHECK:   beqz    $[[R2]], $[[BB0]]
+}