1 ; RUN: llc < %s -mtriple=aarch64-apple-darwin | FileCheck %s 2 3 declare i16 @llvm.bswap.i16(i16) 4 declare i32 @llvm.bswap.i32(i32) 5 6 ; CHECK-LABEL: @test1 7 ; CHECK: orr w0, wzr, #0x1 8 define i1 @test1(i16 %arg) { 9 %a = or i16 %arg, 511 10 %b = call i16 @llvm.bswap.i16(i16 %a) 11 %and = and i16 %b, 256 12 %res = icmp eq i16 %and, 256 13 ret i1 %res 14 } 15 16 ; CHECK-LABEL: @test2 17 ; CHECK: orr w0, wzr, #0x1 18 define i1 @test2(i16 %arg) { 19 %a = or i16 %arg, 1 20 %b = call i16 @llvm.bswap.i16(i16 %a) 21 %and = and i16 %b, 256 22 %res = icmp eq i16 %and, 256 23 ret i1 %res 24 } 25 26 ; CHECK-LABEL: @test3 27 ; CHECK: orr w0, wzr, #0x1 28 define i1 @test3(i16 %arg) { 29 %a = or i16 %arg, 256 30 %b = call i16 @llvm.bswap.i16(i16 %a) 31 %and = and i16 %b, 1 32 %res = icmp eq i16 %and, 1 33 ret i1 %res 34 } 35 36 ; CHECK-LABEL: @test4 37 ; CHECK: orr w0, wzr, #0x1 38 define i1 @test4(i32 %arg) { 39 %a = or i32 %arg, 2147483647 ; i32_MAX 40 %b = call i32 @llvm.bswap.i32(i32 %a) 41 %and = and i32 %b, 127 42 %res = icmp eq i32 %and, 127 43 ret i1 %res 44 } 45
