1 files changed, 78 insertions, 0 deletions
diff --git a/test/CodeGen/PTX/ld.ll b/test/CodeGen/PTX/ld.ll
new file mode 100644
index 0000000000000..836c4d41045a9
--- /dev/null
+++ b/test/CodeGen/PTX/ld.ll
@@ -0,0 +1,78 @@
+; RUN: llc < %s -march=ptx | FileCheck %s
+
+;CHECK: .extern .global .s32 array[];
+@array = external global [10 x i32]
+
+;CHECK: .extern .const .s32 array_constant[];
+@array_constant = external addrspace(1) constant [10 x i32]
+
+;CHECK: .extern .local .s32 array_local[];
+@array_local = external addrspace(2) global [10 x i32]
+
+;CHECK: .extern .shared .s32 array_shared[];
+@array_shared = external addrspace(4) global [10 x i32]
+
+define ptx_device i32 @t1(i32* %p) {
+entry:
+;CHECK: ld.global.s32 r0, [r1];
+  %x = load i32* %p
+  ret i32 %x
+}
+
+define ptx_device i32 @t2(i32* %p) {
+entry:
+;CHECK: ld.global.s32 r0, [r1+4];
+  %i = getelementptr i32* %p, i32 1
+  %x = load i32* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t3(i32* %p, i32 %q) {
+entry:
+;CHECK: shl.b32 r0, r2, 2;
+;CHECK: add.s32 r0, r1, r0;
+;CHECK: ld.global.s32 r0, [r0];
+  %i = getelementptr i32* %p, i32 %q
+  %x = load i32* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t4_global() {
+entry:
+;CHECK: ld.global.s32 r0, [array];
+  %i = getelementptr [10 x i32]* @array, i32 0, i32 0
+  %x = load i32* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t4_const() {
+entry:
+;CHECK: ld.const.s32 r0, [array_constant];
+  %i = getelementptr [10 x i32] addrspace(1)* @array_constant, i32 0, i32 0
+  %x = load i32 addrspace(1)* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t4_local() {
+entry:
+;CHECK: ld.local.s32 r0, [array_local];
+  %i = getelementptr [10 x i32] addrspace(2)* @array_local, i32 0, i32 0
+  %x = load i32 addrspace(2)* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t4_shared() {
+entry:
+;CHECK: ld.shared.s32 r0, [array_shared];
+  %i = getelementptr [10 x i32] addrspace(4)* @array_shared, i32 0, i32 0
+  %x = load i32 addrspace(4)* %i
+  ret i32 %x
+}
+
+define ptx_device i32 @t5() {
+entry:
+;CHECK: ld.global.s32 r0, [array+4];
+  %i = getelementptr [10 x i32]* @array, i32 0, i32 1
+  %x = load i32* %i
+  ret i32 %x
+}