https://github.com/christiankissig updated
https://github.com/llvm/llvm-project/pull/67788
>From 5d86936c3a48c613460983c980271fcab8128b75 Mon Sep 17 00:00:00 2001
From: Christian Kissig
Date: Tue, 26 Sep 2023 12:18:59 +
Subject: [PATCH 1/7] [Support] Add KnownBits::computeForSubBorrow
* Im
https://github.com/christiankissig updated
https://github.com/llvm/llvm-project/pull/67788
>From 5d86936c3a48c613460983c980271fcab8128b75 Mon Sep 17 00:00:00 2001
From: Christian Kissig
Date: Tue, 26 Sep 2023 12:18:59 +
Subject: [PATCH 1/6] [Support] Add KnownBits::computeForSubBorrow
* Im
https://github.com/christiankissig updated
https://github.com/llvm/llvm-project/pull/67788
>From 5d86936c3a48c613460983c980271fcab8128b75 Mon Sep 17 00:00:00 2001
From: Christian Kissig
Date: Tue, 26 Sep 2023 12:18:59 +
Subject: [PATCH 1/5] [Support] Add KnownBits::computeForSubBorrow
* Im
dlumma wrote:
It seems like this PR is ready to land. Any reason why it has not been
integrated @christiankissig ?
https://github.com/llvm/llvm-project/pull/67788
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https://github.com/christiankissig updated
https://github.com/llvm/llvm-project/pull/67788
>From 5d86936c3a48c613460983c980271fcab8128b75 Mon Sep 17 00:00:00 2001
From: Christian Kissig
Date: Tue, 26 Sep 2023 12:18:59 +
Subject: [PATCH 1/5] [Support] Add KnownBits::computeForSubBorrow
* Im
https://github.com/shafik edited https://github.com/llvm/llvm-project/pull/67788
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@@ -85,6 +85,18 @@ KnownBits KnownBits::computeForAddSub(bool Add, bool NSW,
return KnownOut;
}
+KnownBits KnownBits::computeForSubBorrow(const KnownBits &LHS, KnownBits RHS,
+ const KnownBits &Borrow) {
+ assert(Borrow.getBitWidth()
@@ -3732,14 +3732,18 @@ KnownBits SelectionDAG::computeKnownBits(SDValue Op,
const APInt &DemandedElts,
assert(Op.getResNo() == 0 &&
"We only compute knownbits for the difference here.");
-// TODO: Compute influence of the carry operand.
-if (Opcode ==
https://github.com/christiankissig updated
https://github.com/llvm/llvm-project/pull/67788
>From 5d86936c3a48c613460983c980271fcab8128b75 Mon Sep 17 00:00:00 2001
From: Christian Kissig
Date: Tue, 26 Sep 2023 12:18:59 +
Subject: [PATCH 1/5] [Support] Add KnownBits::computeForSubBorrow
* Im
