pre-commit tests

Author: AlexMaclean

llvm/test/CodeGen/NVPTX/addrspacecast-folding.ll

@@ -0,0 +1,37 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mcpu=sm_20 -O0 | FileCheck %s
+; RUN: %if ptxas %{ llc < %s -mcpu=sm_20 -O0 | %ptxas-verify %}
+
+target triple = "nvptx64-unknown-unknown"
+
+define ptr @test1(ptr %p) {
+; CHECK-LABEL: test1(
+; CHECK:       {
+; CHECK-NEXT:    .reg .b64 %rd<4>;
+; CHECK-EMPTY:
+; CHECK-NEXT:  // %bb.0:
+; CHECK-NEXT:    ld.param.u64 %rd1, [test1_param_0];
+; CHECK-NEXT:    cvta.to.local.u64 %rd2, %rd1;
+; CHECK-NEXT:    cvta.local.u64 %rd3, %rd2;
+; CHECK-NEXT:    st.param.b64 [func_retval0], %rd3;
+; CHECK-NEXT:    ret;
+  %a = addrspacecast ptr %p to ptr addrspace(5)
+  %b = addrspacecast ptr addrspace(5) %a to ptr
+  ret ptr %b
+}
+
+define ptr addrspace(1) @test2(ptr addrspace(5) %p) {
+; CHECK-LABEL: test2(
+; CHECK:       {
+; CHECK-NEXT:    .reg .b64 %rd<4>;
+; CHECK-EMPTY:
+; CHECK-NEXT:  // %bb.0:
+; CHECK-NEXT:    ld.param.u64 %rd1, [test2_param_0];
+; CHECK-NEXT:    cvta.local.u64 %rd2, %rd1;
+; CHECK-NEXT:    cvta.to.global.u64 %rd3, %rd2;
+; CHECK-NEXT:    st.param.b64 [func_retval0], %rd3;
+; CHECK-NEXT:    ret;
+  %a = addrspacecast ptr addrspace(5) %p to ptr
+  %b = addrspacecast ptr %a to ptr addrspace(1)
+  ret ptr addrspace(1) %b
+}