; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instsimplify -S | FileCheck %s declare i64 @llvm.ctpop.i64(i64) declare i32 @llvm.ctpop.i32(i32) declare i16 @llvm.ctpop.i16(i16) declare i8 @llvm.ctpop.i8(i8) declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) declare void @llvm.assume(i1) define i64 @ctpop_1_shl(i64 %x) { ; CHECK-LABEL: @ctpop_1_shl( ; CHECK-NEXT: ret i64 1 ; %v = shl i64 1, %x %cnt = call i64 @llvm.ctpop.i64(i64 %v) ret i64 %cnt } define i32 @ctpop_imin_lshr(i32 %x) { ; CHECK-LABEL: @ctpop_imin_lshr( ; CHECK-NEXT: ret i32 1 ; %v = lshr i32 2147483648, %x %cnt = call i32 @llvm.ctpop.i32(i32 %v) ret i32 %cnt } define i16 @ctpop_x_and_negx(i16 %x) { ; CHECK-LABEL: @ctpop_x_and_negx( ; CHECK-NEXT: [[V0:%.*]] = sub i16 0, [[X:%.*]] ; CHECK-NEXT: [[V1:%.*]] = and i16 [[X]], [[V0]] ; CHECK-NEXT: [[CNT:%.*]] = call i16 @llvm.ctpop.i16(i16 [[V1]]) ; CHECK-NEXT: ret i16 [[CNT]] ; %v0 = sub i16 0, %x %v1 = and i16 %x, %v0 %cnt = call i16 @llvm.ctpop.i16(i16 %v1) ret i16 %cnt } define i8 @ctpop_x_nz_and_negx(i8 %x) { ; CHECK-LABEL: @ctpop_x_nz_and_negx( ; CHECK-NEXT: ret i8 1 ; %x1 = or i8 %x, 1 %v0 = sub i8 0, %x1 %v1 = and i8 %x1, %v0 %cnt = call i8 @llvm.ctpop.i8(i8 %v1) ret i8 %cnt } define i32 @ctpop_2_shl(i32 %x) { ; CHECK-LABEL: @ctpop_2_shl( ; CHECK-NEXT: [[V:%.*]] = shl i32 2, [[X:%.*]] ; CHECK-NEXT: [[CNT:%.*]] = call i32 @llvm.ctpop.i32(i32 [[V]]) ; CHECK-NEXT: ret i32 [[CNT]] ; %v = shl i32 2, %x %cnt = call i32 @llvm.ctpop.i32(i32 %v) ret i32 %cnt } define i16 @ctpop_imin_plus1_lshr(i16 %x) { ; CHECK-LABEL: @ctpop_imin_plus1_lshr( ; CHECK-NEXT: [[V:%.*]] = lshr i16 -32767, [[X:%.*]] ; CHECK-NEXT: [[CNT:%.*]] = call i16 @llvm.ctpop.i16(i16 [[V]]) ; CHECK-NEXT: ret i16 [[CNT]] ; %v = lshr i16 32769, %x %cnt = call i16 @llvm.ctpop.i16(i16 %v) ret i16 %cnt } define i32 @ctpop_2_shl_nz(i32 %x) { ; CHECK-LABEL: @ctpop_2_shl_nz( ; CHECK-NEXT: [[XA30:%.*]] = and i32 30, [[X:%.*]] ; CHECK-NEXT: [[V:%.*]] = shl i32 2, [[XA30]] ; CHECK-NEXT: [[CNT:%.*]] = call i32 @llvm.ctpop.i32(i32 [[V]]) ; CHECK-NEXT: ret i32 [[CNT]] ; %xa30 = and i32 30, %x %v = shl i32 2, %xa30 %cnt = call i32 @llvm.ctpop.i32(i32 %v) ret i32 %cnt } define i8 @ctpop_imin_plus1_lshr_nz(i8 %x) { ; CHECK-LABEL: @ctpop_imin_plus1_lshr_nz( ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[CMP]]) ; CHECK-NEXT: [[V:%.*]] = lshr i8 -127, [[X]] ; CHECK-NEXT: [[CNT:%.*]] = call i8 @llvm.ctpop.i8(i8 [[V]]) ; CHECK-NEXT: ret i8 [[CNT]] ; %cmp = icmp ne i8 %x, 0 call void @llvm.assume(i1 %cmp) %v = lshr i8 129, %x %cnt = call i8 @llvm.ctpop.i8(i8 %v) ret i8 %cnt } define i64 @ctpop_x_and_negx_nz(i64 %x) { ; CHECK-LABEL: @ctpop_x_and_negx_nz( ; CHECK-NEXT: [[V0:%.*]] = sub i64 0, [[X:%.*]] ; CHECK-NEXT: [[V1:%.*]] = and i64 [[X]], [[V0]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i64 [[V1]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[CMP]]) ; CHECK-NEXT: [[CNT:%.*]] = call i64 @llvm.ctpop.i64(i64 [[V1]]) ; CHECK-NEXT: ret i64 [[CNT]] ; %v0 = sub i64 0, %x %v1 = and i64 %x, %v0 %cmp = icmp ne i64 %v1, 0 call void @llvm.assume(i1 %cmp) %cnt = call i64 @llvm.ctpop.i64(i64 %v1) ret i64 %cnt } define <2 x i32> @ctpop_shl1_vec(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_shl1_vec( ; CHECK-NEXT: ret <2 x i32> ; %shl = shl <2 x i32> , %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shl) ret <2 x i32> %cnt } define <2 x i32> @ctpop_shl2_1_vec(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_shl2_1_vec( ; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> , [[X:%.*]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[SHL]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %shl = shl <2 x i32> , %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shl) ret <2 x i32> %cnt } define <2 x i32> @ctpop_lshr_intmin_vec(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_lshr_intmin_vec( ; CHECK-NEXT: ret <2 x i32> ; %shr = lshr <2 x i32> , %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shr) ret <2 x i32> %cnt } define <2 x i32> @ctpop_lshr_intmin_intmin_plus1_vec(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_lshr_intmin_intmin_plus1_vec( ; CHECK-NEXT: [[SHR:%.*]] = lshr <2 x i32> , [[X:%.*]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[SHR]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %shr = lshr <2 x i32> , %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shr) ret <2 x i32> %cnt } define <2 x i32> @ctpop_lshr_intmin_intmin_plus1_vec_nz(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_lshr_intmin_intmin_plus1_vec_nz( ; CHECK-NEXT: [[X1:%.*]] = or <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[SHR:%.*]] = lshr <2 x i32> , [[X1]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[SHR]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %x1 = or <2 x i32> %x, %shr = lshr <2 x i32> , %x1 %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shr) ret <2 x i32> %cnt } define <2 x i32> @ctpop_shl2_1_vec_nz(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_shl2_1_vec_nz( ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> , [[AND]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[SHL]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %and = and <2 x i32> %x, %shl = shl <2 x i32> , %and %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %shl) ret <2 x i32> %cnt } define <2 x i32> @ctpop_x_and_negx_vec(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_x_and_negx_vec( ; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i32> zeroinitializer, [[X:%.*]] ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[SUB]], [[X]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[AND]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %sub = sub <2 x i32> , %x %and = and <2 x i32> %sub, %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %and) ret <2 x i32> %cnt } define <2 x i32> @ctpop_x_and_negx_vec_nz(<2 x i32> %x) { ; CHECK-LABEL: @ctpop_x_and_negx_vec_nz( ; CHECK-NEXT: [[X1:%.*]] = or <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[SUB:%.*]] = sub <2 x i32> zeroinitializer, [[X1]] ; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[SUB]], [[X]] ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> [[AND]]) ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %x1 = or <2 x i32> %x, %sub = sub <2 x i32> , %x1 %and = and <2 x i32> %sub, %x %cnt = call <2 x i32> @llvm.ctpop.v2i32(<2 x i32> %and) ret <2 x i32> %cnt }