diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/with_overflow.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/with_overflow.ll | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/llvm/test/Transforms/InstCombine/with_overflow.ll b/llvm/test/Transforms/InstCombine/with_overflow.ll index 04e8097ca7d..fc6102bc7bb 100644 --- a/llvm/test/Transforms/InstCombine/with_overflow.ll +++ b/llvm/test/Transforms/InstCombine/with_overflow.ll @@ -356,8 +356,7 @@ define i1 @uadd_res_ult_x(i32 %x, i32 %y, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 [[Y:%.*]]) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ult i32 [[C]], [[X]] +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %a = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y) @@ -373,8 +372,7 @@ define i1 @uadd_res_ult_y(i32 %x, i32 %y, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 [[Y:%.*]]) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ult i32 [[C]], [[Y]] +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %a = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 %y) @@ -391,8 +389,7 @@ define i1 @uadd_res_ugt_x(i32 %xx, i32 %y, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X]], i32 [[Y:%.*]]) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ugt i32 [[X]], [[C]] +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %x = urem i32 42, %xx ; Thwart complexity-based canonicalization @@ -410,8 +407,7 @@ define i1 @uadd_res_ugt_y(i32 %x, i32 %yy, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 [[Y]]) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ugt i32 [[Y]], [[C]] +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %y = urem i32 42, %yy ; Thwart complexity-based canonicalization @@ -428,8 +424,7 @@ define i1 @uadd_res_ult_const(i32 %x, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 42) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ult i32 [[C]], 42 +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %a = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 42) @@ -445,8 +440,7 @@ define i1 @uadd_res_ult_const_one(i32 %x, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 1) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp eq i32 [[C]], 0 +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %a = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 1) @@ -462,8 +456,7 @@ define i1 @uadd_res_ult_const_minus_one(i32 %x, i1* %p) nounwind { ; CHECK-NEXT: [[A:%.*]] = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 [[X:%.*]], i32 -1) ; CHECK-NEXT: [[B:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: store i1 [[B]], i1* [[P:%.*]], align 1 -; CHECK-NEXT: [[C:%.*]] = extractvalue { i32, i1 } [[A]], 0 -; CHECK-NEXT: [[D:%.*]] = icmp ne i32 [[C]], -1 +; CHECK-NEXT: [[D:%.*]] = extractvalue { i32, i1 } [[A]], 1 ; CHECK-NEXT: ret i1 [[D]] ; %a = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %x, i32 -1) |
