; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686 -mattr=cmov | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefix=X64 declare i4 @llvm.usub.sat.i4(i4, i4) declare i8 @llvm.usub.sat.i8(i8, i8) declare i16 @llvm.usub.sat.i16(i16, i16) declare i32 @llvm.usub.sat.i32(i32, i32) declare i64 @llvm.usub.sat.i64(i64, i64) define i32 @func32(i32 %x, i32 %y, i32 %z) nounwind { ; X86-LABEL: func32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: imull {{[0-9]+}}(%esp), %ecx ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: cmovbl %edx, %eax ; X86-NEXT: retl ; ; X64-LABEL: func32: ; X64: # %bb.0: ; X64-NEXT: imull %edx, %esi ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subl %esi, %edi ; X64-NEXT: cmovael %edi, %eax ; X64-NEXT: retq %a = mul i32 %y, %z %tmp = call i32 @llvm.usub.sat.i32(i32 %x, i32 %a) ret i32 %tmp } define i64 @func64(i64 %x, i64 %y, i64 %z) nounwind { ; X86-LABEL: func64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: xorl %ecx, %ecx ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %edx ; X86-NEXT: cmovbl %ecx, %edx ; X86-NEXT: cmovbl %ecx, %eax ; X86-NEXT: retl ; ; X64-LABEL: func64: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subq %rdx, %rdi ; X64-NEXT: cmovaeq %rdi, %rax ; X64-NEXT: retq %a = mul i64 %y, %z %tmp = call i64 @llvm.usub.sat.i64(i64 %x, i64 %z) ret i64 %tmp } define zeroext i16 @func16(i16 zeroext %x, i16 zeroext %y, i16 zeroext %z) nounwind { ; X86-LABEL: func16: ; X86: # %bb.0: ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: imulw {{[0-9]+}}(%esp), %cx ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: subw %cx, %ax ; X86-NEXT: cmovbl %edx, %eax ; X86-NEXT: # kill: def $ax killed $ax killed $eax ; X86-NEXT: retl ; ; X64-LABEL: func16: ; X64: # %bb.0: ; X64-NEXT: imull %edx, %esi ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subw %si, %di ; X64-NEXT: cmovael %edi, %eax ; X64-NEXT: # kill: def $ax killed $ax killed $eax ; X64-NEXT: retq %a = mul i16 %y, %z %tmp = call i16 @llvm.usub.sat.i16(i16 %x, i16 %a) ret i16 %tmp } define zeroext i8 @func8(i8 zeroext %x, i8 zeroext %y, i8 zeroext %z) nounwind { ; X86-LABEL: func8: ; X86: # %bb.0: ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: mulb {{[0-9]+}}(%esp) ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: subb %al, %cl ; X86-NEXT: movzbl %cl, %eax ; X86-NEXT: cmovbl %edx, %eax ; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: func8: ; X64: # %bb.0: ; X64-NEXT: movl %esi, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: mulb %dl ; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: subb %al, %dil ; X64-NEXT: movzbl %dil, %eax ; X64-NEXT: cmovbl %ecx, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %a = mul i8 %y, %z %tmp = call i8 @llvm.usub.sat.i8(i8 %x, i8 %a) ret i8 %tmp } define zeroext i4 @func4(i4 zeroext %x, i4 zeroext %y, i4 zeroext %z) nounwind { ; X86-LABEL: func4: ; X86: # %bb.0: ; X86-NEXT: pushl %ebx ; X86-NEXT: pushl %esi ; X86-NEXT: movb {{[0-9]+}}(%esp), %cl ; X86-NEXT: movb {{[0-9]+}}(%esp), %al ; X86-NEXT: mulb {{[0-9]+}}(%esp) ; X86-NEXT: movl %eax, %edx ; X86-NEXT: andb $15, %dl ; X86-NEXT: movzbl %dl, %esi ; X86-NEXT: movzbl %cl, %ebx ; X86-NEXT: cmpb %dl, %cl ; X86-NEXT: cmovbel %esi, %ebx ; X86-NEXT: subb %al, %bl ; X86-NEXT: movzbl %bl, %eax ; X86-NEXT: andl $15, %eax ; X86-NEXT: popl %esi ; X86-NEXT: popl %ebx ; X86-NEXT: retl ; ; X64-LABEL: func4: ; X64: # %bb.0: ; X64-NEXT: movl %esi, %eax ; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: mulb %dl ; X64-NEXT: movl %eax, %ecx ; X64-NEXT: andb $15, %cl ; X64-NEXT: movzbl %cl, %ecx ; X64-NEXT: cmpb %cl, %dil ; X64-NEXT: cmoval %edi, %ecx ; X64-NEXT: subb %al, %cl ; X64-NEXT: movzbl %cl, %eax ; X64-NEXT: andl $15, %eax ; X64-NEXT: retq %a = mul i4 %y, %z %tmp = call i4 @llvm.usub.sat.i4(i4 %x, i4 %a) ret i4 %tmp }