; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=bdce < %s | FileCheck %s declare i8 @llvm.umax.i8(i8, i8) declare i8 @llvm.umin.i8(i8, i8) declare i8 @llvm.smax.i8(i8, i8) declare i8 @llvm.smin.i8(i8, i8) define i8 @umax(i8 %x, i8 %y, i1 %a, i1 %b) { ; CHECK-LABEL: @umax( ; CHECK-NEXT: [[A2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[B2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[X2:%.*]] = or i8 [[X:%.*]], [[A2]] ; CHECK-NEXT: [[Y2:%.*]] = or i8 [[Y:%.*]], [[B2]] ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[X2]], i8 [[Y2]]) ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[M]], 1 ; CHECK-NEXT: ret i8 [[R]] ; %a2 = zext i1 %a to i8 %b2 = zext i1 %b to i8 %x2 = or i8 %x, %a2 %y2 = or i8 %y, %b2 %m = call i8 @llvm.umax.i8(i8 %x2, i8 %y2) %r = lshr i8 %m, 1 ret i8 %r } define i8 @umin(i8 %x, i8 %y, i1 %a, i1 %b) { ; CHECK-LABEL: @umin( ; CHECK-NEXT: [[A2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[B2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[X2:%.*]] = or i8 [[X:%.*]], [[A2]] ; CHECK-NEXT: [[Y2:%.*]] = or i8 [[Y:%.*]], [[B2]] ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[X2]], i8 [[Y2]]) ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[M]], 1 ; CHECK-NEXT: ret i8 [[R]] ; %a2 = zext i1 %a to i8 %b2 = zext i1 %b to i8 %x2 = or i8 %x, %a2 %y2 = or i8 %y, %b2 %m = call i8 @llvm.umin.i8(i8 %x2, i8 %y2) %r = lshr i8 %m, 1 ret i8 %r } define i8 @smax(i8 %x, i8 %y, i1 %a, i1 %b) { ; CHECK-LABEL: @smax( ; CHECK-NEXT: [[A2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[B2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[X2:%.*]] = or i8 [[X:%.*]], [[A2]] ; CHECK-NEXT: [[Y2:%.*]] = or i8 [[Y:%.*]], [[B2]] ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[X2]], i8 [[Y2]]) ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[M]], 1 ; CHECK-NEXT: ret i8 [[R]] ; %a2 = zext i1 %a to i8 %b2 = zext i1 %b to i8 %x2 = or i8 %x, %a2 %y2 = or i8 %y, %b2 %m = call i8 @llvm.smax.i8(i8 %x2, i8 %y2) %r = lshr i8 %m, 1 ret i8 %r } define i8 @smin(i8 %x, i8 %y, i1 %a, i1 %b) { ; CHECK-LABEL: @smin( ; CHECK-NEXT: [[A2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[B2:%.*]] = zext i1 false to i8 ; CHECK-NEXT: [[X2:%.*]] = or i8 [[X:%.*]], [[A2]] ; CHECK-NEXT: [[Y2:%.*]] = or i8 [[Y:%.*]], [[B2]] ; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smin.i8(i8 [[X2]], i8 [[Y2]]) ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[M]], 1 ; CHECK-NEXT: ret i8 [[R]] ; %a2 = zext i1 %a to i8 %b2 = zext i1 %b to i8 %x2 = or i8 %x, %a2 %y2 = or i8 %y, %b2 %m = call i8 @llvm.smin.i8(i8 %x2, i8 %y2) %r = lshr i8 %m, 1 ret i8 %r }