summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/sadd-with-overflow.ll
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/test/Transforms/InstCombine/sadd-with-overflow.ll')
-rw-r--r--llvm/test/Transforms/InstCombine/sadd-with-overflow.ll124
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
-}
OpenPOWER on IntegriCloud