1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=instcombine %s | FileCheck %s 3 4@a = common global i8 0, align 1 5@b = external global i32 6 7define void @tinkywinky() { 8; CHECK-LABEL: @tinkywinky( 9; CHECK-NEXT: [[PATATINO:%.*]] = load i8, ptr @a, align 1 10; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[PATATINO]], 0 11; CHECK-NEXT: [[CMP:%.*]] = icmp ne ptr @a, @b 12; CHECK-NEXT: [[XOR1:%.*]] = or i1 [[CMP]], [[TOBOOL_NOT]] 13; CHECK-NEXT: [[XOR:%.*]] = zext i1 [[XOR1]] to i32 14; CHECK-NEXT: [[OR:%.*]] = or disjoint i32 [[XOR]], 2 15; CHECK-NEXT: store i32 [[OR]], ptr @b, align 4 16; CHECK-NEXT: ret void 17; 18 %patatino = load i8, ptr @a 19 %tobool = icmp ne i8 %patatino, 0 20 %lnot = xor i1 %tobool, true 21 %lnot.ext = zext i1 %lnot to i32 22 %cmp = icmp ne ptr @a, @b 23 %zext = zext i1 %cmp to i32 24 %xor = xor i32 %zext, 2 25 %or = or i32 %xor, %lnot.ext 26 store i32 %or, ptr @b, align 4 27 ret void 28} 29