view test/CodeGen/NVPTX/ctlz.ll @ 100:7d135dc70f03

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents 95c75e76d11b
children 803732b1fca8
line wrap: on
line source

; 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 i16 @llvm.ctlz.i16(i16, i1) readnone
declare i32 @llvm.ctlz.i32(i32, i1) readnone
declare i64 @llvm.ctlz.i64(i64, i1) readnone

define i32 @myctpop(i32 %a) {
; CHECK: clz.b32
  %val = call i32 @llvm.ctlz.i32(i32 %a, i1 false) readnone
  ret i32 %val
}

define i16 @myctpop16(i16 %a) {
; CHECK: clz.b32
  %val = call i16 @llvm.ctlz.i16(i16 %a, i1 false) readnone
  ret i16 %val
}

define i64 @myctpop64(i64 %a) {
; CHECK: clz.b64
  %val = call i64 @llvm.ctlz.i64(i64 %a, i1 false) readnone
  ret i64 %val
}


define i32 @myctpop_2(i32 %a) {
; CHECK: clz.b32
  %val = call i32 @llvm.ctlz.i32(i32 %a, i1 true) readnone
  ret i32 %val
}

define i16 @myctpop16_2(i16 %a) {
; CHECK: clz.b32
  %val = call i16 @llvm.ctlz.i16(i16 %a, i1 true) readnone
  ret i16 %val
}

define i64 @myctpop64_2(i64 %a) {
; CHECK: clz.b64
  %val = call i64 @llvm.ctlz.i64(i64 %a, i1 true) readnone
  ret i64 %val
}