1ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// RUN: %clang_cc1 %s -triple mips-unknown-linux-gnu -emit-llvm -o - | FileCheck %s 2ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// 3ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Test that the ctlz and cttz builtins are defined for zero. 4ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Based on count-builtin.c 5ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 6ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesint leading, trailing, pop; 7ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 8ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_i16(short P) { 9ef8225444452a1486bd721f3285301fe84643b00Stephen Hines leading = __builtin_clzs(P); 10ef8225444452a1486bd721f3285301fe84643b00Stephen Hines trailing = __builtin_ctzs(P); 11ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 12ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: @test_i16 13ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i16 @llvm.ctlz.i16(i16 {{.*}}, i1 false) 14ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i16 @llvm.cttz.i16(i16 {{.*}}, i1 false) 15ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 16ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 17ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_i32(int P) { 18ef8225444452a1486bd721f3285301fe84643b00Stephen Hines leading = __builtin_clz(P); 19ef8225444452a1486bd721f3285301fe84643b00Stephen Hines trailing = __builtin_ctz(P); 20ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 21ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: @test_i32 22ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i32 @llvm.ctlz.i32(i32 {{.*}}, i1 false) 23ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i32 @llvm.cttz.i32(i32 {{.*}}, i1 false) 24ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 25ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 26ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid test_i64(float P) { 27ef8225444452a1486bd721f3285301fe84643b00Stephen Hines leading = __builtin_clzll(P); 28ef8225444452a1486bd721f3285301fe84643b00Stephen Hines trailing = __builtin_ctzll(P); 29ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: @test_i64 30ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i64 @llvm.ctlz.i64(i64 {{.*}}, i1 false) 31ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: call i64 @llvm.cttz.i64(i64 {{.*}}, i1 false) 32ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 33