1 ; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s 2 3 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" 4 target triple = "nvptx-nvidia-cuda" 5 6 ; Ensure global variables in address space 0 are promoted to address space 1 7 8 ; CHECK: .global .align 4 .u32 myglobal = 42; 9 @myglobal = internal global i32 42, align 4 10 ; CHECK: .global .align 4 .u32 myconst = 420; 11 @myconst = internal constant i32 420, align 4 12 13 14 define void @foo(i32* %a, i32* %b) { 15 ; Expect one load -- @myconst isn't loaded from, because we know its value 16 ; statically. 17 ; CHECK: ld.global.u32 18 ; CHECK: st.global.u32 19 ; CHECK: st.global.u32 20 %ld1 = load i32, i32* @myglobal 21 %ld2 = load i32, i32* @myconst 22 store i32 %ld1, i32* %a 23 store i32 %ld2, i32* %b 24 ret void 25 } 26 27 28 !nvvm.annotations = !{!0} 29 !0 = !{void (i32*, i32*)* @foo, !"kernel", i32 1} 30