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-rw-r--r--test/CodeGen/ARM/ldrd-memoper.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/ldrd-memoper.ll b/test/CodeGen/ARM/ldrd-memoper.ll
new file mode 100644
index 00000000000..f1a1121f6aa
--- /dev/null
+++ b/test/CodeGen/ARM/ldrd-memoper.ll
@@ -0,0 +1,15 @@
+; RUN: llc %s -o /dev/null -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -debug-only=arm-ldst-opt 2> %t
+; RUN: FileCheck %s < %t
+; REQUIRES: asserts
+; PR8113: ARMLoadStoreOptimizer must preserve memoperands.
+
+@b = external global i64*
+
+; CHECK: Formed {{.*}} t2LDRD{{.*}} mem:LD4[%0] LD4[%0+4]
+define i64 @t(i64 %a) nounwind readonly {
+entry:
+ %0 = load i64** @b, align 4
+ %1 = load i64* %0, align 4
+ %2 = mul i64 %1, %a
+ ret i64 %2
+}