File: ldu-i8.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (14 lines) | stat: -rw-r--r-- 553 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; 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"

declare i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8*, i32)

define i8 @foo(i8* %a) {
; Ensure we properly truncate off the high-order 24 bits
; CHECK:        ldu.global.u8
; CHECK:        cvt.u32.u16
; CHECK:        and.b32         %r{{[0-9]+}}, %r{{[0-9]+}}, 255
  %val = tail call i8 @llvm.nvvm.ldu.global.i.i8.p0i8(i8* %a, i32 4)
  ret i8 %val
}