1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/free-zext.ll b/llvm/test/CodeGen/AArch64/free-zext.ll
new file mode 100644
index 00000000000..7fae01653b3
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/free-zext.ll
@@ -0,0 +1,14 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
+
+define i64 @test_free_zext(i8* %a, i16* %b) {
+; CHECK-LABEL: test_free_zext
+; CHECK: ldrb w0, [x0]
+; CHECK: ldrh w1, [x1]
+; CHECK: add x0, x1, x0
+  %1 = load i8* %a, align 1
+  %conv = zext i8 %1 to i64
+  %2 = load i16* %b, align 2
+  %conv1 = zext i16 %2 to i64
+  %add = add nsw i64 %conv1, %conv
+  ret i64 %add
+}