diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/saturating-add-sub.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/saturating-add-sub.ll | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/llvm/test/Transforms/InstCombine/saturating-add-sub.ll b/llvm/test/Transforms/InstCombine/saturating-add-sub.ll index de3af0008c9..5f119e64512 100644 --- a/llvm/test/Transforms/InstCombine/saturating-add-sub.ll +++ b/llvm/test/Transforms/InstCombine/saturating-add-sub.ll @@ -706,11 +706,10 @@ define <2 x i32> @uadd_sat_ugt_commute_add(<2 x i32> %xp, <2 x i32> %yp) { define i32 @uadd_sat_commute_select(i32 %x, i32 %yp) { ; CHECK-LABEL: @uadd_sat_commute_select( ; CHECK-NEXT: [[Y:%.*]] = sdiv i32 [[YP:%.*]], 2442 -; CHECK-NEXT: [[NOTX:%.*]] = xor i32 [[X:%.*]], -1 -; CHECK-NEXT: [[A:%.*]] = add i32 [[Y]], [[X]] -; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[Y]], [[NOTX]] -; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 -1 -; CHECK-NEXT: ret i32 [[R]] +; CHECK-NEXT: [[A:%.*]] = add i32 [[Y]], [[X:%.*]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A]], [[Y]] +; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 [[A]] +; CHECK-NEXT: ret i32 [[TMP2]] ; %y = sdiv i32 %yp, 2442 ; thwart complexity-based-canonicalization %notx = xor i32 %x, -1 @@ -724,11 +723,10 @@ define i32 @uadd_sat_commute_select_commute_add(i32 %xp, i32 %yp) { ; CHECK-LABEL: @uadd_sat_commute_select_commute_add( ; CHECK-NEXT: [[X:%.*]] = urem i32 42, [[XP:%.*]] ; CHECK-NEXT: [[Y:%.*]] = sdiv i32 [[YP:%.*]], 2442 -; CHECK-NEXT: [[NOTX:%.*]] = xor i32 [[X]], -1 ; CHECK-NEXT: [[A:%.*]] = add nsw i32 [[X]], [[Y]] -; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[Y]], [[NOTX]] -; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 -1 -; CHECK-NEXT: ret i32 [[R]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A]], [[Y]] +; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 [[A]] +; CHECK-NEXT: ret i32 [[TMP2]] ; %x = urem i32 42, %xp ; thwart complexity-based-canonicalization %y = sdiv i32 %yp, 2442 ; thwart complexity-based-canonicalization @@ -741,11 +739,10 @@ define i32 @uadd_sat_commute_select_commute_add(i32 %xp, i32 %yp) { define <2 x i32> @uadd_sat_commute_select_ugt(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @uadd_sat_commute_select_ugt( -; CHECK-NEXT: [[NOTX:%.*]] = xor <2 x i32> [[X:%.*]], <i32 -1, i32 -1> -; CHECK-NEXT: [[A:%.*]] = add <2 x i32> [[Y:%.*]], [[X]] -; CHECK-NEXT: [[C:%.*]] = icmp ugt <2 x i32> [[NOTX]], [[Y]] -; CHECK-NEXT: [[R:%.*]] = select <2 x i1> [[C]], <2 x i32> [[A]], <2 x i32> <i32 -1, i32 -1> -; CHECK-NEXT: ret <2 x i32> [[R]] +; CHECK-NEXT: [[A:%.*]] = add <2 x i32> [[Y:%.*]], [[X:%.*]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <2 x i32> [[A]], [[Y]] +; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> <i32 -1, i32 -1>, <2 x i32> [[A]] +; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %notx = xor <2 x i32> %x, <i32 -1, i32 -1> %a = add <2 x i32> %y, %x @@ -757,11 +754,10 @@ define <2 x i32> @uadd_sat_commute_select_ugt(<2 x i32> %x, <2 x i32> %y) { define i32 @uadd_sat_commute_select_ugt_commute_add(i32 %xp, i32 %y) { ; CHECK-LABEL: @uadd_sat_commute_select_ugt_commute_add( ; CHECK-NEXT: [[X:%.*]] = srem i32 42, [[XP:%.*]] -; CHECK-NEXT: [[NOTX:%.*]] = xor i32 [[X]], -1 ; CHECK-NEXT: [[A:%.*]] = add i32 [[X]], [[Y:%.*]] -; CHECK-NEXT: [[C:%.*]] = icmp ugt i32 [[NOTX]], [[Y]] -; CHECK-NEXT: [[R:%.*]] = select i1 [[C]], i32 [[A]], i32 -1 -; CHECK-NEXT: ret i32 [[R]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[A]], [[Y]] +; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 [[A]] +; CHECK-NEXT: ret i32 [[TMP2]] ; %x = srem i32 42, %xp ; thwart complexity-based-canonicalization %notx = xor i32 %x, -1 |
