1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86 3 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64 4 5 define signext i16 @foo(i16 signext %x) nounwind { 6 ; X86-LABEL: foo: 7 ; X86: # %bb.0: # %entry 8 ; X86-NEXT: movl $21998, %eax # imm = 0x55EE 9 ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax 10 ; X86-NEXT: # kill: def $ax killed $ax killed $eax 11 ; X86-NEXT: retl 12 ; 13 ; X64-LABEL: foo: 14 ; X64: # %bb.0: # %entry 15 ; X64-NEXT: xorl $21998, %edi # imm = 0x55EE 16 ; X64-NEXT: movl %edi, %eax 17 ; X64-NEXT: retq 18 entry: 19 %0 = xor i16 %x, 21998 20 ret i16 %0 21 } 22 23 define signext i16 @bar(i16 signext %x) nounwind { 24 ; X86-LABEL: bar: 25 ; X86: # %bb.0: # %entry 26 ; X86-NEXT: movl $54766, %eax # imm = 0xD5EE 27 ; X86-NEXT: xorl {{[0-9]+}}(%esp), %eax 28 ; X86-NEXT: # kill: def $ax killed $ax killed $eax 29 ; X86-NEXT: retl 30 ; 31 ; X64-LABEL: bar: 32 ; X64: # %bb.0: # %entry 33 ; X64-NEXT: xorl $54766, %edi # imm = 0xD5EE 34 ; X64-NEXT: movl %edi, %eax 35 ; X64-NEXT: retq 36 entry: 37 %0 = xor i16 %x, 54766 38 ret i16 %0 39 } 40 41 define signext i16 @baz(i16* %x, i16 signext %y) nounwind { 42 ; X86-LABEL: baz: 43 ; X86: # %bb.0: # %entry 44 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 45 ; X86-NEXT: movzwl (%eax), %eax 46 ; X86-NEXT: subw {{[0-9]+}}(%esp), %ax 47 ; X86-NEXT: retl 48 ; 49 ; X64-LABEL: baz: 50 ; X64: # %bb.0: # %entry 51 ; X64-NEXT: movzwl (%rdi), %eax 52 ; X64-NEXT: subl %esi, %eax 53 ; X64-NEXT: # kill: def $ax killed $ax killed $eax 54 ; X64-NEXT: retq 55 entry: 56 %0 = load i16, i16* %x 57 %sub = sub i16 %0, %y 58 ret i16 %sub 59 } 60 61 define void @bat(i16* %a, i16* %x, i16 signext %y) nounwind { 62 ; X86-LABEL: bat: 63 ; X86: # %bb.0: # %entry 64 ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax 65 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx 66 ; X86-NEXT: movzwl (%ecx), %ecx 67 ; X86-NEXT: subw {{[0-9]+}}(%esp), %cx 68 ; X86-NEXT: movw %cx, (%eax) 69 ; X86-NEXT: retl 70 ; 71 ; X64-LABEL: bat: 72 ; X64: # %bb.0: # %entry 73 ; X64-NEXT: movzwl (%rsi), %eax 74 ; X64-NEXT: subl %edx, %eax 75 ; X64-NEXT: movw %ax, (%rdi) 76 ; X64-NEXT: retq 77 entry: 78 %0 = load i16, i16* %x 79 %sub = sub i16 %0, %y 80 store i16 %sub, i16* %a 81 ret void 82 } 83
