1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/atomics-constant.ll b/test/CodeGen/PowerPC/atomics-constant.ll
new file mode 100644
index 0000000000000..a92ca813af857
--- /dev/null
+++ b/test/CodeGen/PowerPC/atomics-constant.ll
@@ -0,0 +1,23 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s | FileCheck %s
+
+target triple = "powerpc64le-unknown-linux-gnu"
+
+@a = constant i64 zeroinitializer
+
+define i64 @foo() {
+; CHECK-LABEL: foo:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
+; CHECK-NEXT:    li 4, 0
+; CHECK-NEXT:    ld 3, .LC0@toc@l(3)
+; CHECK-NEXT:    cmpw 7, 4, 4
+; CHECK-NEXT:    ld 3, 0(3)
+; CHECK-NEXT:    bne- 7, .+4
+; CHECK-NEXT:    isync
+; CHECK-NEXT:    li 3, 0
+; CHECK-NEXT:    blr
+entry:
+  %value = load atomic i64, i64* @a acquire, align 8
+  ret i64 %value
+}