clang/test/CodeGen/mips-count-builtins.c

   1 // RUN: %clang_cc1 %s -triple mips-unknown-linux-gnu -emit-llvm -o - | FileCheck %s
   2 //
   3 // Test that the ctlz and cttz builtins are defined for zero.
   4 // Based on count-builtin.c
   5
   6 int leading, trailing, pop;
   7
   8 void test_i16(short P) {
   9   leading = __builtin_clzs(P);
  10   trailing = __builtin_ctzs(P);
  11
  12 // CHECK: @test_i16
  13 // CHECK: call i16 @llvm.ctlz.i16(i16 {{.*}}, i1 false)
  14 // CHECK: call i16 @llvm.cttz.i16(i16 {{.*}}, i1 false)
  15 }
  16
  17 void test_i32(int P) {
  18   leading = __builtin_clz(P);
  19   trailing = __builtin_ctz(P);
  20
  21 // CHECK: @test_i32
  22 // CHECK: call i32 @llvm.ctlz.i32(i32 {{.*}}, i1 false)
  23 // CHECK: call i32 @llvm.cttz.i32(i32 {{.*}}, i1 false)
  24 }
  25
  26 void test_i64(float P) {
  27   leading = __builtin_clzll(P);
  28   trailing = __builtin_ctzll(P);
  29 // CHECK: @test_i64
  30 // CHECK: call i64 @llvm.ctlz.i64(i64 {{.*}}, i1 false)
  31 // CHECK: call i64 @llvm.cttz.i64(i64 {{.*}}, i1 false)
  32 }