; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=i686-unknown-linux-gnu < %s | FileCheck %s --check-prefix=X86 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=X64 ; On X86, division in expensive. BuildRemEqFold should therefore run even ; when optimizing for size. Only optimizing for minimum size retains a plain div. define i32 @test_minsize(i32 %X) optsize minsize nounwind readnone { ; X86-LABEL: test_minsize: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: pushl $5 ; X86-NEXT: popl %ecx ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: divl %ecx ; X86-NEXT: testl %edx, %edx ; X86-NEXT: je .LBB0_1 ; X86-NEXT: # %bb.2: ; X86-NEXT: pushl $-10 ; X86-NEXT: popl %eax ; X86-NEXT: retl ; X86-NEXT: .LBB0_1: ; X86-NEXT: pushl $42 ; X86-NEXT: popl %eax ; X86-NEXT: retl ; ; X64-LABEL: test_minsize: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: pushq $5 ; X64-NEXT: popq %rcx ; X64-NEXT: xorl %edx, %edx ; X64-NEXT: divl %ecx ; X64-NEXT: testl %edx, %edx ; X64-NEXT: pushq $42 ; X64-NEXT: popq %rcx ; X64-NEXT: pushq $-10 ; X64-NEXT: popq %rax ; X64-NEXT: cmovel %ecx, %eax ; X64-NEXT: retq %rem = urem i32 %X, 5 %cmp = icmp eq i32 %rem, 0 %ret = select i1 %cmp, i32 42, i32 -10 ret i32 %ret } define i32 @test_optsize(i32 %X) optsize nounwind readnone { ; X86-LABEL: test_optsize: ; X86: # %bb.0: ; X86-NEXT: imull $-858993459, {{[0-9]+}}(%esp), %eax # imm = 0xCCCCCCCD ; X86-NEXT: cmpl $858993460, %eax # imm = 0x33333334 ; X86-NEXT: movl $42, %eax ; X86-NEXT: jb .LBB1_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl $-10, %eax ; X86-NEXT: .LBB1_2: ; X86-NEXT: retl ; ; X64-LABEL: test_optsize: ; X64: # %bb.0: ; X64-NEXT: imull $-858993459, %edi, %eax # imm = 0xCCCCCCCD ; X64-NEXT: cmpl $858993460, %eax # imm = 0x33333334 ; X64-NEXT: movl $42, %ecx ; X64-NEXT: movl $-10, %eax ; X64-NEXT: cmovbl %ecx, %eax ; X64-NEXT: retq %rem = urem i32 %X, 5 %cmp = icmp eq i32 %rem, 0 %ret = select i1 %cmp, i32 42, i32 -10 ret i32 %ret }