• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
2
3target 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
5declare i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8*, i32)
6
7define i8 @foo(i8* %a) {
8; Ensure we properly truncate off the high-order 24 bits
9; CHECK:        ldu.global.u8
10; CHECK:        cvt.u32.u16
11; CHECK:        and.b32         %r{{[0-9]+}}, %r{{[0-9]+}}, 255
12  %val = tail call i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8* %a, i32 4)
13  ret i8 %val
14}
15