1; RUN: llc < %s -march=nvptx64 -mcpu=sm_20 | FileCheck %s 2 3target datalayout = "e-p:64:64:64-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" 4target triple = "nvptx64-nvidia-cuda" 5 6; Verify that both %input and %output are converted to global pointers and then 7; addrspacecast'ed back to the original type. 8define void @kernel(float* %input, float* %output) { 9; CHECK-LABEL: .visible .entry kernel( 10; CHECK: cvta.to.global.u64 11; CHECK: cvta.to.global.u64 12 %1 = load float, float* %input, align 4 13; CHECK: ld.global.f32 14 store float %1, float* %output, align 4 15; CHECK: st.global.f32 16 ret void 17} 18 19define void @kernel2(float addrspace(1)* %input, float addrspace(1)* %output) { 20; CHECK-LABEL: .visible .entry kernel2( 21; CHECK-NOT: cvta.to.global.u64 22 %1 = load float, float addrspace(1)* %input, align 4 23; CHECK: ld.global.f32 24 store float %1, float addrspace(1)* %output, align 4 25; CHECK: st.global.f32 26 ret void 27} 28 29%struct.S = type { i32*, i32* } 30 31define void @ptr_in_byval(%struct.S* byval %input, i32* %output) { 32; CHECK-LABEL: .visible .entry ptr_in_byval( 33; CHECK: cvta.to.global.u64 34; CHECK: cvta.to.global.u64 35 %b_ptr = getelementptr inbounds %struct.S, %struct.S* %input, i64 0, i32 1 36 %b = load i32*, i32** %b_ptr, align 4 37 %v = load i32, i32* %b, align 4 38; CHECK: ld.global.u32 39 store i32 %v, i32* %output, align 4 40; CHECK: st.global.u32 41 ret void 42} 43 44!nvvm.annotations = !{!0, !1, !2} 45!0 = !{void (float*, float*)* @kernel, !"kernel", i32 1} 46!1 = !{void (float addrspace(1)*, float addrspace(1)*)* @kernel2, !"kernel", i32 1} 47!2 = !{void (%struct.S*, i32*)* @ptr_in_byval, !"kernel", i32 1} 48