R600/SI: Add test that fails due to requiring i64 mul for pointers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194433 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/R600/array-ptr-calc-i64.ll b/test/CodeGen/R600/array-ptr-calc-i64.ll
new file mode 100644 (file)
index 0000000..652bbfe
--- /dev/null
+++ b/test/CodeGen/R600/array-ptr-calc-i64.ll
@@ -0,0 +1,18 @@
+; XFAIL: *
+; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck --check-prefix=SI %s
+
+declare i32 @llvm.SI.tid() readnone
+
+
+; SI-LABEL: @test_array_ptr_calc(
+define void @test_array_ptr_calc(i32 addrspace(1)* noalias %out, [16 x i32] addrspace(1)* noalias %inA, i32 addrspace(1)* noalias %inB) {
+  %tid = call i32 @llvm.SI.tid() readnone
+  %a_ptr = getelementptr [16 x i32] addrspace(1)* %inA, i32 1, i32 %tid
+  %b_ptr = getelementptr i32 addrspace(1)* %inB, i32 %tid
+  %a = load i32 addrspace(1)* %a_ptr
+  %b = load i32 addrspace(1)* %b_ptr
+  %result = add i32 %a, %b
+  store i32 %result, i32 addrspace(1)* %out
+  ret void
+}
+