; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i64 @match_unsigned(i64 %x) { ; CHECK-LABEL: @match_unsigned( ; CHECK-NEXT: [[UREM:%.*]] = urem i64 [[X:%.*]], 19136 ; CHECK-NEXT: ret i64 [[UREM]] ; %t = urem i64 %x, 299 %t1 = udiv i64 %x, 299 %t2 = urem i64 %t1, 64 %t3 = mul i64 %t2, 299 %t4 = add i64 %t, %t3 ret i64 %t4 } define <2 x i64> @match_unsigned_vector(<2 x i64> %x) { ; CHECK-LABEL: @match_unsigned_vector( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[UREM:%.*]] = urem <2 x i64> [[X:%.*]], <i64 19136, i64 19136> ; CHECK-NEXT: ret <2 x i64> [[UREM]] ; bb: %tmp = urem <2 x i64> %x, <i64 299, i64 299> %tmp1 = udiv <2 x i64> %x, <i64 299, i64 299> %tmp2 = urem <2 x i64> %tmp1, <i64 64, i64 64> %tmp3 = mul <2 x i64> %tmp2, <i64 299, i64 299> %tmp4 = add <2 x i64> %tmp, %tmp3 ret <2 x i64> %tmp4 } define i64 @match_andAsRem_lshrAsDiv_shlAsMul(i64 %x) { ; CHECK-LABEL: @match_andAsRem_lshrAsDiv_shlAsMul( ; CHECK-NEXT: [[UREM:%.*]] = urem i64 [[X:%.*]], 576 ; CHECK-NEXT: ret i64 [[UREM]] ; %t = and i64 %x, 63 %t1 = lshr i64 %x, 6 %t2 = urem i64 %t1, 9 %t3 = shl i64 %t2, 6 %t4 = add i64 %t, %t3 ret i64 %t4 } define i64 @match_signed(i64 %x) { ; CHECK-LABEL: @match_signed( ; CHECK-NEXT: [[SREM1:%.*]] = srem i64 [[X:%.*]], 172224 ; CHECK-NEXT: ret i64 [[SREM1]] ; %t = srem i64 %x, 299 %t1 = sdiv i64 %x, 299 %t2 = srem i64 %t1, 64 %t3 = sdiv i64 %x, 19136 %t4 = srem i64 %t3, 9 %t5 = mul i64 %t2, 299 %t6 = add i64 %t, %t5 %t7 = mul i64 %t4, 19136 %t8 = add i64 %t6, %t7 ret i64 %t8 } define <2 x i64> @match_signed_vector(<2 x i64> %x) { ; CHECK-LABEL: @match_signed_vector( ; CHECK-NEXT: bb: ; CHECK-NEXT: [[SREM1:%.*]] = srem <2 x i64> [[X:%.*]], <i64 172224, i64 172224> ; CHECK-NEXT: ret <2 x i64> [[SREM1]] ; bb: %tmp = srem <2 x i64> %x, <i64 299, i64 299> %tmp1 = sdiv <2 x i64> %x, <i64 299, i64 299> %tmp2 = srem <2 x i64> %tmp1, <i64 64, i64 64> %tmp3 = sdiv <2 x i64> %x, <i64 19136, i64 19136> %tmp4 = srem <2 x i64> %tmp3, <i64 9, i64 9> %tmp5 = mul <2 x i64> %tmp2, <i64 299, i64 299> %tmp6 = add <2 x i64> %tmp, %tmp5 %tmp7 = mul <2 x i64> %tmp4, <i64 19136, i64 19136> %tmp8 = add <2 x i64> %tmp6, %tmp7 ret <2 x i64> %tmp8 } define i64 @not_match_inconsistent_signs(i64 %x) { ; CHECK-LABEL: @not_match_inconsistent_signs( ; CHECK-NEXT: [[T:%.*]] = urem i64 [[X:%.*]], 299 ; CHECK-NEXT: [[T1:%.*]] = sdiv i64 [[X]], 299 ; CHECK-NEXT: [[T2:%.*]] = and i64 [[T1]], 63 ; CHECK-NEXT: [[T3:%.*]] = mul nuw nsw i64 [[T2]], 299 ; CHECK-NEXT: [[T4:%.*]] = add nuw nsw i64 [[T]], [[T3]] ; CHECK-NEXT: ret i64 [[T4]] ; %t = urem i64 %x, 299 %t1 = sdiv i64 %x, 299 %t2 = urem i64 %t1, 64 %t3 = mul i64 %t2, 299 %t4 = add i64 %t, %t3 ret i64 %t4 } define i64 @not_match_inconsistent_values(i64 %x) { ; CHECK-LABEL: @not_match_inconsistent_values( ; CHECK-NEXT: [[T:%.*]] = urem i64 [[X:%.*]], 299 ; CHECK-NEXT: [[T1:%.*]] = udiv i64 [[X]], 29 ; CHECK-NEXT: [[T2:%.*]] = and i64 [[T1]], 63 ; CHECK-NEXT: [[T3:%.*]] = mul nuw nsw i64 [[T2]], 299 ; CHECK-NEXT: [[T4:%.*]] = add nuw nsw i64 [[T]], [[T3]] ; CHECK-NEXT: ret i64 [[T4]] ; %t = urem i64 %x, 299 %t1 = udiv i64 %x, 29 %t2 = urem i64 %t1, 64 %t3 = mul i64 %t2, 299 %t4 = add i64 %t, %t3 ret i64 %t4 } define i32 @not_match_overflow(i32 %x) { ; CHECK-LABEL: @not_match_overflow( ; CHECK-NEXT: [[X_FR:%.*]] = freeze i32 [[X:%.*]] ; CHECK-NEXT: [[T:%.*]] = urem i32 [[X_FR]], 299 ; CHECK-NEXT: [[TMP1:%.*]] = urem i32 [[X_FR]], 299 ; CHECK-NEXT: [[T3:%.*]] = sub nuw i32 [[X_FR]], [[TMP1]] ; CHECK-NEXT: [[T4:%.*]] = add i32 [[T]], [[T3]] ; CHECK-NEXT: ret i32 [[T4]] ; %t = urem i32 %x, 299 %t1 = udiv i32 %x, 299 %t2 = urem i32 %t1, 147483647 %t3 = mul i32 %t2, 299 %t4 = add i32 %t, %t3 ret i32 %t4 }