Vendor import of llvm trunk r239412:vendor/llvm/llvm-trunk-r239412

https://llvm.org/svn/llvm-project/llvm/trunk@239412

1 files changed, 20 insertions, 0 deletions

diff --git a/test/CodeGen/NVPTX/lower-kernel-ptr-arg.ll b/test/CodeGen/NVPTX/lower-kernel-ptr-arg.ll
new file mode 100644
index 000000000000..53220bd905bd
--- /dev/null
+++ b/test/CodeGen/NVPTX/lower-kernel-ptr-arg.ll
@@ -0,0 +1,20 @@
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
+target triple = "nvptx64-unknown-unknown"
+
+; Verify that both %input and %output are converted to global pointers and then
+; addrspacecast'ed back to the original type.
+define void @kernel(float* %input, float* %output) {
+; CHECK-LABEL: .visible .entry kernel(
+; CHECK: cvta.to.global.u64
+; CHECK: cvta.to.global.u64
+  %1 = load float, float* %input, align 4
+; CHECK: ld.global.f32
+  store float %1, float* %output, align 4
+; CHECK: st.global.f32
+  ret void
+}
+
+!nvvm.annotations = !{!0}
+!0 = !{void (float*, float*)* @kernel, !"kernel", i32 1}