1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/aa-tbaa.ll b/test/CodeGen/PowerPC/aa-tbaa.ll
new file mode 100644
index 0000000..d7f80fa
--- /dev/null
+++ b/test/CodeGen/PowerPC/aa-tbaa.ll
@@ -0,0 +1,41 @@
+; RUN: llc -enable-misched -misched=shuffle -enable-aa-sched-mi -post-RA-scheduler=0 -mcpu=ppc64 < %s | FileCheck %s
+
+; REQUIRES: asserts
+; -misched=shuffle is NDEBUG only!
+
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+%"class.llvm::MCOperand" = type { i8, %union.anon.110 }
+%union.anon.110 = type { i64 }
+
+define void @foo(i32 %v) {
+entry:
+  %MCOp = alloca %"class.llvm::MCOperand", align 8
+  br label %next
+
+; CHECK-LABEL: @foo
+
+next:
+  %sunkaddr18 = ptrtoint %"class.llvm::MCOperand"* %MCOp to i64
+  %sunkaddr19 = add i64 %sunkaddr18, 8
+  %sunkaddr20 = inttoptr i64 %sunkaddr19 to double*
+  store double 0.000000e+00, double* %sunkaddr20, align 8, !tbaa !1
+  %sunkaddr21 = ptrtoint %"class.llvm::MCOperand"* %MCOp to i64
+  %sunkaddr22 = add i64 %sunkaddr21, 8
+  %sunkaddr23 = inttoptr i64 %sunkaddr22 to i32*
+  store i32 %v, i32* %sunkaddr23, align 8, !tbaa !2
+  ret void
+
+; Make sure that the 64-bit store comes first, regardless of what TBAA says
+; about the two not aliasing!
+; CHECK: li [[REG:[0-9]+]], 0
+; CHECK: std [[REG]], -[[OFF:[0-9]+]](1)
+; CHECK: stw 3, -[[OFF]](1)
+; CHECK: blr
+}
+
+!0 = metadata !{ metadata !"root" }
+!1 = metadata !{ metadata !"set1", metadata !0 }
+!2 = metadata !{ metadata !"set2", metadata !0 }
+