| ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s |
| |
| 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" |
| target triple = "nvptx-nvidia-cuda" |
| |
| ; Ensure global variables in address space 0 are promoted to address space 1 |
| |
| ; CHECK: .global .align 4 .u32 myglobal = 42; |
| @myglobal = internal global i32 42, align 4 |
| ; CHECK: .global .align 4 .u32 myconst = 420; |
| @myconst = internal constant i32 420, align 4 |
| |
| |
| define void @foo(i32* %a, i32* %b) { |
| ; Expect one load -- @myconst isn't loaded from, because we know its value |
| ; statically. |
| ; CHECK: ld.global.u32 |
| ; CHECK: st.global.u32 |
| ; CHECK: st.global.u32 |
| %ld1 = load i32, i32* @myglobal |
| %ld2 = load i32, i32* @myconst |
| store i32 %ld1, i32* %a |
| store i32 %ld2, i32* %b |
| ret void |
| } |
| |
| |
| !nvvm.annotations = !{!0} |
| !0 = !{void (i32*, i32*)* @foo, !"kernel", i32 1} |
