; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i5 @XorZextXor(i3 %a) { ; CHECK-LABEL: @XorZextXor( ; CHECK-NEXT: [[CAST:%.*]] = zext i3 %a to i5 ; CHECK-NEXT: [[OP2:%.*]] = xor i5 [[CAST]], 15 ; CHECK-NEXT: ret i5 [[OP2]] ; %op1 = xor i3 %a, 3 %cast = zext i3 %op1 to i5 %op2 = xor i5 %cast, 12 ret i5 %op2 } define <2 x i32> @XorZextXorVec(<2 x i1> %a) { ; CHECK-LABEL: @XorZextXorVec( ; CHECK-NEXT: [[CAST:%.*]] = zext <2 x i1> %a to <2 x i32> ; CHECK-NEXT: [[OP2:%.*]] = xor <2 x i32> [[CAST]], <i32 2, i32 1> ; CHECK-NEXT: ret <2 x i32> [[OP2]] ; %op1 = xor <2 x i1> %a, <i1 true, i1 false> %cast = zext <2 x i1> %op1 to <2 x i32> %op2 = xor <2 x i32> %cast, <i32 3, i32 1> ret <2 x i32> %op2 } define i5 @OrZextOr(i3 %a) { ; CHECK-LABEL: @OrZextOr( ; CHECK-NEXT: [[CAST:%.*]] = zext i3 %a to i5 ; CHECK-NEXT: [[OP2:%.*]] = or i5 [[CAST]], 11 ; CHECK-NEXT: ret i5 [[OP2]] ; %op1 = or i3 %a, 3 %cast = zext i3 %op1 to i5 %op2 = or i5 %cast, 8 ret i5 %op2 } define <2 x i32> @OrZextOrVec(<2 x i2> %a) { ; CHECK-LABEL: @OrZextOrVec( ; CHECK-NEXT: [[CAST:%.*]] = zext <2 x i2> %a to <2 x i32> ; CHECK-NEXT: [[OP2:%.*]] = or <2 x i32> [[CAST]], <i32 3, i32 5> ; CHECK-NEXT: ret <2 x i32> [[OP2]] ; %op1 = or <2 x i2> %a, <i2 2, i2 0> %cast = zext <2 x i2> %op1 to <2 x i32> %op2 = or <2 x i32> %cast, <i32 1, i32 5> ret <2 x i32> %op2 } ; Unlike the rest, this case is handled by SimplifyDemandedBits / ShrinkDemandedConstant. define i5 @AndZextAnd(i3 %a) { ; CHECK-LABEL: @AndZextAnd( ; CHECK-NEXT: [[TMP1:%.*]] = and i3 %a, 2 ; CHECK-NEXT: [[OP2:%.*]] = zext i3 [[TMP1]] to i5 ; CHECK-NEXT: ret i5 [[OP2]] ; %op1 = and i3 %a, 3 %cast = zext i3 %op1 to i5 %op2 = and i5 %cast, 14 ret i5 %op2 } define <2 x i32> @AndZextAndVec(<2 x i8> %a) { ; CHECK-LABEL: @AndZextAndVec( ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i8> %a, <i8 5, i8 0> ; CHECK-NEXT: [[OP2:%.*]] = zext <2 x i8> [[TMP1]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[OP2]] ; %op1 = and <2 x i8> %a, <i8 7, i8 0> %cast = zext <2 x i8> %op1 to <2 x i32> %op2 = and <2 x i32> %cast, <i32 261, i32 1> ret <2 x i32> %op2 }