[NFC][InstCombine] Fixup comments
As noted in post-commit review of rL375378375378.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375397 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/lib/Transforms/InstCombine/InstCombineAddSub.cpp
index 77907cc..8bc3482 100644
--- a/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -1103,7 +1103,7 @@
assert((I.getOpcode() == Instruction::Add ||
I.getOpcode() == Instruction::Or ||
I.getOpcode() == Instruction::Sub) &&
- "Expecting add/sub instruction");
+ "Expecting add/or/sub instruction");
// We have a subtraction/addition between a (potentially truncated) *logical*
// right-shift of X and a "select".
@@ -1158,7 +1158,7 @@
const APInt *Thr;
Value *SignExtendingValue, *Zero;
bool ShouldSignext;
- // It must be a select between two values we will later estabilish to be a
+ // It must be a select between two values we will later establish to be a
// sign-extending value and a zero constant. The condition guarding the
// sign-extension must be based on a sign bit of the same X we had in `lshr`.
if (!match(Select, m_Select(m_ICmp(Pred, m_Specific(X), m_APInt(Thr)),