vendor/llvm/llvm-trunk-r238337

1 files changed, 21 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/large_shift.ll b/test/CodeGen/AArch64/large_shift.ll
new file mode 100644
index 000000000000..f72c97d25aa3
--- /dev/null
+++ b/test/CodeGen/AArch64/large_shift.ll
@@ -0,0 +1,21 @@
+; RUN: llc -march=aarch64 -o - %s
+target triple = "arm64-unknown-unknown"
+
+; Make sure we don't run into an assert in the aarch64 code selection when
+; DAGCombining fails.
+
+declare void @t()
+
+define void @foo() {
+  %c = bitcast i64 270458 to i64
+  %t0 = lshr i64 %c, 422383
+  %t1 = trunc i64 %t0 to i1
+  br i1 %t1, label %BB1, label %BB0
+
+BB0:
+  call void @t()
+  br label %BB1
+
+BB1:
+  ret void
+}