; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=aggressive-instcombine -S | FileCheck %s ; Use the same idoim as X86/or-load.ll @loadCombine_2consecutive to represent a ; sequence of operations that can be replaced by a single double-width load when ; using scalar types but whose logic does not apply to fixed length vectors. define <8 x i16> @or-load-fixed-length-vector(ptr %p1) { ; CHECK-LABEL: @or-load-fixed-length-vector( ; CHECK-NEXT: [[P2:%.*]] = getelementptr i8, ptr [[P1:%.*]], i32 1 ; CHECK-NEXT: [[L1:%.*]] = load <8 x i8>, ptr [[P1]], align 1 ; CHECK-NEXT: [[L2:%.*]] = load <8 x i8>, ptr [[P2]], align 1 ; CHECK-NEXT: [[E1:%.*]] = zext <8 x i8> [[L1]] to <8 x i16> ; CHECK-NEXT: [[E2:%.*]] = zext <8 x i8> [[L2]] to <8 x i16> ; CHECK-NEXT: [[S2:%.*]] = shl <8 x i16> [[E2]], ; CHECK-NEXT: [[OR:%.*]] = or <8 x i16> [[E1]], [[S2]] ; CHECK-NEXT: ret <8 x i16> [[OR]] ; %p2 = getelementptr i8, ptr %p1, i32 1 %l1 = load <8 x i8>, ptr %p1, align 1 %l2 = load <8 x i8>, ptr %p2, align 1 %e1 = zext <8 x i8> %l1 to <8 x i16> %e2 = zext <8 x i8> %l2 to <8 x i16> %s2 = shl <8 x i16> %e2, %or = or <8 x i16> %e1, %s2 ret <8 x i16> %or } ; Use the same idoim as X86/or-load.ll @loadCombine_2consecutive to represent a ; sequence of operations that can be replaced by a single double-width load when ; using scalar types but whose logic does not apply to scalable length vectors. define @or-load-scalable-vector(ptr %p1) { ; CHECK-LABEL: @or-load-scalable-vector( ; CHECK-NEXT: [[P2:%.*]] = getelementptr i8, ptr [[P1:%.*]], i32 1 ; CHECK-NEXT: [[L1:%.*]] = load , ptr [[P1]], align 1 ; CHECK-NEXT: [[L2:%.*]] = load , ptr [[P2]], align 1 ; CHECK-NEXT: [[E1:%.*]] = zext [[L1]] to ; CHECK-NEXT: [[E2:%.*]] = zext [[L2]] to ; CHECK-NEXT: [[S2:%.*]] = shl [[E2]], shufflevector ( insertelement ( poison, i16 8, i32 0), poison, zeroinitializer) ; CHECK-NEXT: [[OR:%.*]] = or [[E1]], [[S2]] ; CHECK-NEXT: ret [[OR]] ; %p2 = getelementptr i8, ptr %p1, i32 1 %l1 = load , ptr %p1, align 1 %l2 = load , ptr %p2, align 1 %e1 = zext %l1 to %e2 = zext %l2 to %s2 = shl %e2, shufflevector ( insertelement ( poison, i16 8, i32 0), poison, zeroinitializer) %or = or %e1, %s2 ret %or }