File: builtin-count-zeros.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (8 lines) | stat: -rw-r--r-- 464 bytes parent folder | download | duplicates (37) 
1
2
3
4
5
6
7
8
 
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple arm-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-ARM

int a(int a) {return __builtin_ctz(a) + __builtin_clz(a);}
// CHECK: call i32 @llvm.cttz.i32({{.*}}, i1 true)
// CHECK: call i32 @llvm.ctlz.i32({{.*}}, i1 true)
// CHECK-ARM: call i32 @llvm.cttz.i32({{.*}}, i1 false)
// CHECK-ARM: call i32 @llvm.ctlz.i32({{.*}}, i1 false)