; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc < %s -mtriple=x86_64 | FileCheck %s define zeroext i32 @trunc_nuw_nsw_urem(i64 %x) nounwind { ; CHECK-LABEL: trunc_nuw_nsw_urem: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movq %rdi, %rax ; CHECK-NEXT: movl $3518437209, %ecx # imm = 0xD1B71759 ; CHECK-NEXT: imulq %rdi, %rcx ; CHECK-NEXT: shrq $45, %rcx ; CHECK-NEXT: imull $10000, %ecx, %ecx # imm = 0x2710 ; CHECK-NEXT: subl %ecx, %eax ; CHECK-NEXT: # kill: def $eax killed $eax killed $rax ; CHECK-NEXT: retq entry: %trunc = trunc nuw nsw i64 %x to i32 %rem = urem i32 %trunc, 10000 ret i32 %rem } define i64 @zext_nneg_udiv_trunc_nuw(i64 %x) nounwind { ; CHECK-LABEL: zext_nneg_udiv_trunc_nuw: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: imull $52429, %edi, %eax # imm = 0xCCCD ; CHECK-NEXT: shrl $23, %eax ; CHECK-NEXT: retq entry: %trunc = trunc nuw i64 %x to i16 %div = udiv i16 %trunc, 160 %ext = zext nneg i16 %div to i64 ret i64 %ext } define i64 @sext_udiv_trunc_nuw(i64 %x) nounwind { ; CHECK-LABEL: sext_udiv_trunc_nuw: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: imull $52429, %edi, %eax # imm = 0xCCCD ; CHECK-NEXT: shrl $23, %eax ; CHECK-NEXT: retq entry: %trunc = trunc nuw i64 %x to i16 %div = udiv i16 %trunc, 160 %ext = sext i16 %div to i64 ret i64 %ext } define ptr @gep_nusw_zext_nneg_add_trunc_nuw_nsw(ptr %p, i64 %x) nounwind { ; CHECK-LABEL: gep_nusw_zext_nneg_add_trunc_nuw_nsw: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: leaq 20(%rdi,%rsi,4), %rax ; CHECK-NEXT: retq entry: %trunc = trunc nuw nsw i64 %x to i32 %add = add nuw nsw i32 %trunc, 5 %offset = zext nneg i32 %add to i64 %gep = getelementptr nusw float, ptr %p, i64 %offset ret ptr %gep } ; Make sure nsw flag is dropped after we simplify the operand of TRUNCATE. define i32 @simplify_demanded_bits_drop_flag(i1 zeroext %x, i1 zeroext %y) nounwind { ; CHECK-LABEL: simplify_demanded_bits_drop_flag: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: # kill: def $esi killed $esi def $rsi ; CHECK-NEXT: shll $2, %esi ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: negq %rax ; CHECK-NEXT: xorq %rsi, %rax ; CHECK-NEXT: imulq $-1634202141, %rax, %rax # imm = 0x9E980DE3 ; CHECK-NEXT: movq %rax, %rcx ; CHECK-NEXT: shrq $63, %rcx ; CHECK-NEXT: sarq $44, %rax ; CHECK-NEXT: addl %ecx, %eax ; CHECK-NEXT: # kill: def $eax killed $eax killed $rax ; CHECK-NEXT: retq entry: %sel = select i1 %y, i64 4, i64 0 %conv0 = sext i1 %x to i64 %xor = xor i64 %sel, %conv0 %conv1 = trunc nsw i64 %xor to i32 %div = sdiv i32 %conv1, -10765 ret i32 %div }