aboutsummaryrefslogtreecommitdiff
path: root/llvm/lib/IR/ConstantFold.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
-rw-r--r--llvm/lib/IR/ConstantFold.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp
index 4c33250..db1a83b 100644
--- a/llvm/lib/IR/ConstantFold.cpp
+++ b/llvm/lib/IR/ConstantFold.cpp
@@ -1084,7 +1084,9 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, Constant *C1,
} else if (isa<ConstantInt>(C1)) {
// If C1 is a ConstantInt and C2 is not, swap the operands.
if (Instruction::isCommutative(Opcode))
- return ConstantExpr::get(Opcode, C2, C1);
+ return ConstantExpr::isDesirableBinOp(Opcode)
+ ? ConstantExpr::get(Opcode, C2, C1)
+ : ConstantFoldBinaryInstruction(Opcode, C2, C1);
}
if (ConstantInt *CI1 = dyn_cast<ConstantInt>(C1)) {