diff --git a/llvm/test/tools/llvm-reduce/remove-operands-int.ll b/llvm/test/tools/llvm-reduce/remove-operands-int.ll new file mode 100644 --- /dev/null +++ b/llvm/test/tools/llvm-reduce/remove-operands-int.ll @@ -0,0 +1,63 @@ +; Test that llvm-reduce can reduce floating point operands +; +; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-one --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t +; RUN: FileCheck --check-prefixes=CHECK,ONE %s < %t + +; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-zero --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t +; RUN: FileCheck --check-prefixes=CHECK,ZERO %s < %t + +; RUN: llvm-reduce --abort-on-invalid-reduction --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t +; RUN: FileCheck --check-prefixes=CHECK,ZERO %s < %t + +; CHECK-INTERESTINGNESS: = add i32 % +; CHECK-INTERESTINGNESS: = add i32 +; CHECK-INTERESTINGNESS: = add i32 +; CHECK-INTERESTINGNESS: = add i32 +; CHECK-INTERESTINGNESS: = add i32 + +; CHECK-INTERESTINGNESS: = add <2 x i32> % +; CHECK-INTERESTINGNESS: = add <2 x i32> +; CHECK-INTERESTINGNESS: = add <2 x i32> +; CHECK-INTERESTINGNESS: = add <2 x i32> +; CHECK-INTERESTINGNESS: = add <2 x i32> + +; CHECK-LABEL: define void @foo( + + +; ONE: %add0 = add i32 %arg0, 1 +; ONE: %add1 = add i32 1, 1 +; ONE: %add2 = add i32 1, 0 +; ONE: %add3 = add i32 1, 1 +; ONE: %add4 = add i32 1, 1 +; ONE: %add5 = add <2 x i32> %arg2, +; ONE: %add6 = add <2 x i32> , +; ONE: %add7 = add <2 x i32> , zeroinitializer +; ONE: %add8 = add <2 x i32> , +; ONE: %add9 = add <2 x i32> , + + +; ZERO: %add0 = add i32 %arg0, 0 +; ZERO: %add1 = add i32 0, 0 +; ZERO: %add2 = add i32 0, 0 +; ZERO: %add3 = add i32 0, 0 +; ZERO: %add4 = add i32 0, 0 +; ZERO: %add5 = add <2 x i32> %arg2, zeroinitializer +; ZERO: %add6 = add <2 x i32> zeroinitializer, zeroinitializer +; ZERO: %add7 = add <2 x i32> zeroinitializer, zeroinitializer +; ZERO: %add8 = add <2 x i32> zeroinitializer, zeroinitializer +; ZERO: %add9 = add <2 x i32> zeroinitializer, zeroinitializer + +define void @foo(i32 %arg0, i32 %arg1, <2 x i32> %arg2, <2 x i32> %arg3) { +bb0: + %add0 = add i32 %arg0, %arg1 + %add1 = add i32 %arg0, %arg1 + %add2 = add i32 %arg0, 0 + %add3 = add i32 %arg0, 1 + %add4 = add i32 %arg0, undef + %add5 = add <2 x i32> %arg2, %arg3 + %add6 = add <2 x i32> %arg2, %arg3 + %add7 = add <2 x i32> %arg2, zeroinitializer + %add8 = add <2 x i32> %arg2, + %add9 = add <2 x i32> %arg2, undef + ret void +} diff --git a/llvm/tools/llvm-reduce/deltas/ReduceOperands.cpp b/llvm/tools/llvm-reduce/deltas/ReduceOperands.cpp --- a/llvm/tools/llvm-reduce/deltas/ReduceOperands.cpp +++ b/llvm/tools/llvm-reduce/deltas/ReduceOperands.cpp @@ -79,9 +79,13 @@ return isZeroOrOneFP(Op) ? nullptr : ConstantFP::get(Ty, 1.0); if (VectorType *VT = dyn_cast(Ty)) { - if (isZeroOrOneFP(Op)) + if (isOne(Op) || isZero(Op) || isZeroOrOneFP(Op)) return nullptr; + if (auto *IntTy = dyn_cast(VT->getElementType())) + return ConstantVector::getSplat(VT->getElementCount(), + ConstantInt::get(IntTy, 1)); + return ConstantVector::getSplat( VT->getElementCount(), ConstantFP::get(VT->getElementType(), 1.0)); }