diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sadd-with-overflow.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/sadd-with-overflow.ll | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/llvm/test/Transforms/InstCombine/sadd-with-overflow.ll b/llvm/test/Transforms/InstCombine/sadd-with-overflow.ll deleted file mode 100644 index 0acf6036624..00000000000 --- a/llvm/test/Transforms/InstCombine/sadd-with-overflow.ll +++ /dev/null @@ -1,124 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instcombine -S | FileCheck %s - -declare { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32>, <2 x i32>) - -declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) - -declare { i8, i1 } @llvm.sadd.with.overflow.i8(i8, i8) - -define { i32, i1 } @simple_fold(i32 %x) { -; CHECK-LABEL: @simple_fold( -; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 20) -; CHECK-NEXT: ret { i32, i1 } [[TMP1]] -; - %a = add nsw i32 %x, 7 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 13) - ret { i32, i1 } %b -} - -define { i32, i1 } @fold_mixed_signs(i32 %x) { -; CHECK-LABEL: @fold_mixed_signs( -; CHECK-NEXT: [[B:%.*]] = add nsw i32 [[X:%.*]], 6 -; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { i32, i1 } { i32 undef, i1 false }, i32 [[B]], 0 -; CHECK-NEXT: ret { i32, i1 } [[TMP1]] -; - %a = add nsw i32 %x, 13 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 -7) - ret { i32, i1 } %b -} - -define { i8, i1 } @fold_on_constant_add_no_overflow(i8 %x) { -; CHECK-LABEL: @fold_on_constant_add_no_overflow( -; CHECK-NEXT: [[TMP1:%.*]] = call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 [[X:%.*]], i8 127) -; CHECK-NEXT: ret { i8, i1 } [[TMP1]] -; - %a = add nsw i8 %x, 100 - %b = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 %a, i8 27) - ret { i8, i1 } %b -} - -define { i8, i1 } @no_fold_on_constant_add_overflow(i8 %x) { -; CHECK-LABEL: @no_fold_on_constant_add_overflow( -; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 100 -; CHECK-NEXT: [[B:%.*]] = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 [[A]], i8 28) -; CHECK-NEXT: ret { i8, i1 } [[B]] -; - %a = add nsw i8 %x, 100 - %b = tail call { i8, i1 } @llvm.sadd.with.overflow.i8(i8 %a, i8 28) - ret { i8, i1 } %b -} - -define { <2 x i32>, <2 x i1> } @fold_simple_splat_constant(<2 x i32> %x) { -; CHECK-LABEL: @fold_simple_splat_constant( -; CHECK-NEXT: [[TMP1:%.*]] = call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[X:%.*]], <2 x i32> <i32 42, i32 42>) -; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[TMP1]] -; - %a = add nsw <2 x i32> %x, <i32 12, i32 12> - %b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>) - ret { <2 x i32>, <2 x i1> } %b -} - -define { <2 x i32>, <2 x i1> } @no_fold_splat_undef_constant(<2 x i32> %x) { -; CHECK-LABEL: @no_fold_splat_undef_constant( -; CHECK-NEXT: [[A:%.*]] = add nsw <2 x i32> [[X:%.*]], <i32 12, i32 undef> -; CHECK-NEXT: [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>) -; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[B]] -; - %a = add nsw <2 x i32> %x, <i32 12, i32 undef> - %b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>) - ret { <2 x i32>, <2 x i1> } %b -} - -define { <2 x i32>, <2 x i1> } @no_fold_splat_not_constant(<2 x i32> %x, <2 x i32> %y) { -; CHECK-LABEL: @no_fold_splat_not_constant( -; CHECK-NEXT: [[A:%.*]] = add nsw <2 x i32> [[X:%.*]], [[Y:%.*]] -; CHECK-NEXT: [[B:%.*]] = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> [[A]], <2 x i32> <i32 30, i32 30>) -; CHECK-NEXT: ret { <2 x i32>, <2 x i1> } [[B]] -; - %a = add nsw <2 x i32> %x, %y - %b = tail call { <2 x i32>, <2 x i1> } @llvm.sadd.with.overflow.v2i32(<2 x i32> %a, <2 x i32> <i32 30, i32 30>) - ret { <2 x i32>, <2 x i1> } %b -} - -define { i32, i1 } @fold_nuwnsw(i32 %x) { -; CHECK-LABEL: @fold_nuwnsw( -; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 42) -; CHECK-NEXT: ret { i32, i1 } [[TMP1]] -; - %a = add nuw nsw i32 %x, 12 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30) - ret { i32, i1 } %b -} - -define { i32, i1 } @no_fold_nuw(i32 %x) { -; CHECK-LABEL: @no_fold_nuw( -; CHECK-NEXT: [[A:%.*]] = add nuw i32 [[X:%.*]], 12 -; CHECK-NEXT: [[B:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[A]], i32 30) -; CHECK-NEXT: ret { i32, i1 } [[B]] -; - %a = add nuw i32 %x, 12 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30) - ret { i32, i1 } %b -} - -define { i32, i1 } @no_fold_wrapped_add(i32 %x) { -; CHECK-LABEL: @no_fold_wrapped_add( -; CHECK-NEXT: [[A:%.*]] = add i32 [[X:%.*]], 12 -; CHECK-NEXT: [[B:%.*]] = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[A]], i32 30) -; CHECK-NEXT: ret { i32, i1 } [[B]] -; - %a = add i32 %x, 12 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 30, i32 %a) - ret { i32, i1 } %b -} - -define { i32, i1 } @fold_sub_simple(i32 %x) { -; CHECK-LABEL: @fold_sub_simple( -; CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 [[X:%.*]], i32 42) -; CHECK-NEXT: ret { i32, i1 } [[TMP1]] -; - %a = sub nsw i32 %x, -12 - %b = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 30) - ret { i32, i1 } %b -} |