diff --git a/llvm/test/Transforms/InstSimplify/and-or-implied-cond.ll b/llvm/test/Transforms/InstSimplify/and-or-implied-cond.ll new file mode 100644 index 0000000000000..1bdc75e6b265b --- /dev/null +++ b/llvm/test/Transforms/InstSimplify/and-or-implied-cond.ll @@ -0,0 +1,152 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -S -instsimplify < %s | FileCheck %s + +define i1 @or_implied(i8 %x, i1 %c) { +; CHECK-LABEL: @or_implied( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 1 +; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[OR:%.*]] = or i1 [[AND]], [[CMP2]] +; CHECK-NEXT: ret i1 [[OR]] +; + %cmp = icmp eq i8 %x, 0 + %cmp2 = icmp ne i8 %x, 1 + %and = and i1 %cmp, %c + %or = or i1 %and, %cmp2 + ret i1 %or +} + +define i1 @or_implied_comm1(i8 %x, i1 %c) { +; CHECK-LABEL: @or_implied_comm1( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 1 +; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP2]], [[AND]] +; CHECK-NEXT: ret i1 [[OR]] +; + %cmp = icmp eq i8 %x, 0 + %cmp2 = icmp ne i8 %x, 1 + %and = and i1 %cmp, %c + %or = or i1 %cmp2, %and + ret i1 %or +} + +define i1 @or_implied_comm2(i8 %x, i1 %c) { +; CHECK-LABEL: @or_implied_comm2( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 1 +; CHECK-NEXT: [[AND:%.*]] = and i1 [[C:%.*]], [[CMP]] +; CHECK-NEXT: [[OR:%.*]] = or i1 [[AND]], [[CMP2]] +; CHECK-NEXT: ret i1 [[OR]] +; + %cmp = icmp eq i8 %x, 0 + %cmp2 = icmp ne i8 %x, 1 + %and = and i1 %c, %cmp + %or = or i1 %and, %cmp2 + ret i1 %or +} + +define i1 @or_implied_comm3(i8 %x, i1 %c) { +; CHECK-LABEL: @or_implied_comm3( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 1 +; CHECK-NEXT: [[AND:%.*]] = and i1 [[C:%.*]], [[CMP]] +; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP2]], [[AND]] +; CHECK-NEXT: ret i1 [[OR]] +; + %cmp = icmp eq i8 %x, 0 + %cmp2 = icmp ne i8 %x, 1 + %and = and i1 %c, %cmp + %or = or i1 %cmp2, %and + ret i1 %or +} + +define i1 @or_not_implied(i8 %x, i1 %c) { +; CHECK-LABEL: @or_not_implied( +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i8 [[X]], 0 +; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[OR:%.*]] = or i1 [[AND]], [[CMP2]] +; CHECK-NEXT: ret i1 [[OR]] +; + %cmp = icmp eq i8 %x, 0 + %cmp2 = icmp ne i8 %x, 0 + %and = and i1 %cmp, %c + %or = or i1 %and, %cmp2 + ret i1 %or +} + +define i1 @and_implied(i8 %x, i1 %c) { +; CHECK-LABEL: @and_implied( +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 1 +; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[AND:%.*]] = and i1 [[OR]], [[CMP2]] +; CHECK-NEXT: ret i1 [[AND]] +; + %cmp = icmp ne i8 %x, 0 + %cmp2 = icmp eq i8 %x, 1 + %or = or i1 %cmp, %c + %and = and i1 %or, %cmp2 + ret i1 %and +} + +define i1 @and_implied_comm1(i8 %x, i1 %c) { +; CHECK-LABEL: @and_implied_comm1( +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 1 +; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP2]], [[OR]] +; CHECK-NEXT: ret i1 [[AND]] +; + %cmp = icmp ne i8 %x, 0 + %cmp2 = icmp eq i8 %x, 1 + %or = or i1 %cmp, %c + %and = and i1 %cmp2, %or + ret i1 %and +} + +define i1 @and_implied_comm2(i8 %x, i1 %c) { +; CHECK-LABEL: @and_implied_comm2( +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 1 +; CHECK-NEXT: [[OR:%.*]] = or i1 [[C:%.*]], [[CMP]] +; CHECK-NEXT: [[AND:%.*]] = and i1 [[OR]], [[CMP2]] +; CHECK-NEXT: ret i1 [[AND]] +; + %cmp = icmp ne i8 %x, 0 + %cmp2 = icmp eq i8 %x, 1 + %or = or i1 %c, %cmp + %and = and i1 %or, %cmp2 + ret i1 %and +} + +define i1 @and_implied_comm3(i8 %x, i1 %c) { +; CHECK-LABEL: @and_implied_comm3( +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 1 +; CHECK-NEXT: [[OR:%.*]] = or i1 [[C:%.*]], [[CMP]] +; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP2]], [[OR]] +; CHECK-NEXT: ret i1 [[AND]] +; + %cmp = icmp ne i8 %x, 0 + %cmp2 = icmp eq i8 %x, 1 + %or = or i1 %c, %cmp + %and = and i1 %cmp2, %or + ret i1 %and +} + +define i1 @and_not_implied(i8 %x, i1 %c) { +; CHECK-LABEL: @and_not_implied( +; CHECK-NEXT: [[CMP:%.*]] = icmp ne i8 [[X:%.*]], 0 +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[X]], 0 +; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP]], [[C:%.*]] +; CHECK-NEXT: [[AND:%.*]] = and i1 [[OR]], [[CMP2]] +; CHECK-NEXT: ret i1 [[AND]] +; + %cmp = icmp ne i8 %x, 0 + %cmp2 = icmp eq i8 %x, 0 + %or = or i1 %cmp, %c + %and = and i1 %or, %cmp2 + ret i1 %and +}