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authorDimitry Andric <dim@FreeBSD.org>2024-01-03 16:57:07 +0000
committerDimitry Andric <dim@FreeBSD.org>2024-01-03 16:57:07 +0000
commit77dbea07356e1ab2f37a777d4d1ddc5dd3e301c2 (patch)
treebdb0bc8db7a91e1f8b4bb8729fc391e2adf45380 /llvm/lib/Analysis/ConstraintSystem.cpp
parent99aabd70801bd4bc72c4942747f6d62c675112f5 (diff)
Diffstat (limited to 'llvm/lib/Analysis/ConstraintSystem.cpp')
-rw-r--r--llvm/lib/Analysis/ConstraintSystem.cpp10
1 files changed, 2 insertions, 8 deletions
diff --git a/llvm/lib/Analysis/ConstraintSystem.cpp b/llvm/lib/Analysis/ConstraintSystem.cpp
index 8a802515b6f4..35bdd869a88d 100644
--- a/llvm/lib/Analysis/ConstraintSystem.cpp
+++ b/llvm/lib/Analysis/ConstraintSystem.cpp
@@ -29,7 +29,6 @@ bool ConstraintSystem::eliminateUsingFM() {
assert(!Constraints.empty() &&
"should only be called for non-empty constraint systems");
- uint32_t NewGCD = 1;
unsigned LastIdx = NumVariables - 1;
// First, either remove the variable in place if it is 0 or add the row to
@@ -96,24 +95,20 @@ bool ConstraintSystem::eliminateUsingFM() {
IdxUpper++;
}
- if (MulOverflow(UpperV, ((-1) * LowerLast / GCD), M1))
+ if (MulOverflow(UpperV, ((-1) * LowerLast), M1))
return false;
if (IdxLower < LowerRow.size() && LowerRow[IdxLower].Id == CurrentId) {
LowerV = LowerRow[IdxLower].Coefficient;
IdxLower++;
}
- if (MulOverflow(LowerV, (UpperLast / GCD), M2))
+ if (MulOverflow(LowerV, (UpperLast), M2))
return false;
if (AddOverflow(M1, M2, N))
return false;
if (N == 0)
continue;
NR.emplace_back(N, CurrentId);
-
- NewGCD =
- APIntOps::GreatestCommonDivisor({32, (uint32_t)N}, {32, NewGCD})
- .getZExtValue();
}
if (NR.empty())
continue;
@@ -124,7 +119,6 @@ bool ConstraintSystem::eliminateUsingFM() {
}
}
NumVariables -= 1;
- GCD = NewGCD;
return true;
}