1 ; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s
2 ; RUN: %if ptxas %{ llc < %s -march=nvptx64 -mcpu=sm_20 | %ptxas-verify %}
4 target datalayout = "e-p:32:32:32-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"
5 target triple = "nvptx-nvidia-cuda"
7 ; Ensure global variables in address space 0 are promoted to address space 1
9 ; CHECK: .global .align 4 .u32 myglobal = 42;
10 @myglobal = internal global i32 42, align 4
11 ; CHECK: .global .align 4 .u32 myconst = 420;
12 @myconst = internal constant i32 420, align 4
15 define void @foo(ptr %a, ptr %b) {
16 ; Expect one load -- @myconst isn't loaded from, because we know its value
18 ; CHECK: ld.global.u32
19 ; CHECK: st.global.u32
20 ; CHECK: st.global.u32
21 %ld1 = load i32, ptr @myglobal
22 %ld2 = load i32, ptr @myconst
23 store i32 %ld1, ptr %a
24 store i32 %ld2, ptr %b
29 !nvvm.annotations = !{!0}
30 !0 = !{ptr @foo, !"kernel", i32 1}