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authorCraig Topper <craig.topper@sifive.com>2024-08-16 09:21:11 -0700
committerGitHub <noreply@github.com>2024-08-16 09:21:11 -0700
commit7afb51e035709e7f2532452054a39fe968444504 (patch)
treef4884eac4c235c7d1643f443aa3d9d575339546b /llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
parent1164e4aef2844ac3d35153ffe6376db9abda704a (diff)
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[SelectionDAG][X86] Add SelectionDAG::getSignedConstant and use it in a few places. (#104555)
PR #80309 proposes to have users of APInt's uint64_t constructor opt-in to implicit truncation. Currently, that patch requires SelectionDAG::getConstant to opt-in. This patch adds getSignedConstant so we can start fixing some of the cases that require implicit truncation.
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 7cdd3d4..8e24f5bd 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4474,7 +4474,7 @@ void SelectionDAGBuilder::visitAlloca(const AllocaInst &I) {
// Mask out the low bits for alignment purposes.
AllocSize = DAG.getNode(ISD::AND, dl, AllocSize.getValueType(), AllocSize,
- DAG.getConstant(~StackAlignMask, dl, IntPtr));
+ DAG.getSignedConstant(~StackAlignMask, dl, IntPtr));
SDValue Ops[] = {
getRoot(), AllocSize,