| ; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_20 -verify-machineinstrs | FileCheck %s |
| ; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_20 | %ptxas-verify %} |
| |
| 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" |
| |
| declare i8 @llvm.nvvm.ldu.global.i.i8.p0(ptr, i32) |
| |
| define i8 @foo(ptr %a) { |
| ; Ensure we properly truncate off the high-order 24 bits |
| ; CHECK: ldu.global.b8 |
| ; CHECK: cvt.u32.u16 |
| ; CHECK: and.b32 %r{{[0-9]+}}, %r{{[0-9]+}}, 255 |
| %val = tail call i8 @llvm.nvvm.ldu.global.i.i8.p0(ptr %a, i32 4) |
| ret i8 %val |
| } |
