1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/R600/zero_extend.ll b/test/CodeGen/R600/zero_extend.ll
new file mode 100644
index 0000000000000..481b3b328259b
--- /dev/null
+++ b/test/CodeGen/R600/zero_extend.ll
@@ -0,0 +1,18 @@
+; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
+; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
+
+; R600-CHECK: @test
+; R600-CHECK: MEM_RAT_CACHELESS STORE_RAW
+; R600-CHECK: MEM_RAT_CACHELESS STORE_RAW
+
+; SI-CHECK: @test
+; SI-CHECK: V_MOV_B32_e32 v[[ZERO:[0-9]]], 0
+; SI-CHECK: BUFFER_STORE_DWORDX2 v[0:[[ZERO]]{{\]}}
+define void @test(i64 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) {
+entry:
+  %0 = mul i32 %a, %b
+  %1 = add i32 %0, %c
+  %2 = zext i32 %1 to i64
+  store i64 %2, i64 addrspace(1)* %out
+  ret void
+}