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-rw-r--r--llvm/utils/TableGen/CodeGenDAGPatterns.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
index 3f74a9999c9..3ebe51e0512 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -388,7 +388,13 @@ bool EEVT::TypeSet::EnforceSmallerThan(EEVT::TypeSet &Other, TreePattern &TP) {
// the size of the smallest type.
{
TypeSet InputSet(Other);
- MVT Smallest = TypeVec[0];
+ MVT Smallest = *std::min_element(TypeVec.begin(), TypeVec.end(),
+ [](MVT A, MVT B) {
+ return A.getScalarSizeInBits() < B.getScalarSizeInBits() ||
+ (A.getScalarSizeInBits() == B.getScalarSizeInBits() &&
+ A.getSizeInBits() < B.getSizeInBits());
+ });
+
auto I = std::remove_if(Other.TypeVec.begin(), Other.TypeVec.end(),
[Smallest](MVT OtherVT) {
// Don't compare vector and non-vector types.
@@ -416,7 +422,12 @@ bool EEVT::TypeSet::EnforceSmallerThan(EEVT::TypeSet &Other, TreePattern &TP) {
// the size of the largest type.
{
TypeSet InputSet(*this);
- MVT Largest = Other.TypeVec[Other.TypeVec.size()-1];
+ MVT Largest = *std::max_element(Other.TypeVec.begin(), Other.TypeVec.end(),
+ [](MVT A, MVT B) {
+ return A.getScalarSizeInBits() < B.getScalarSizeInBits() ||
+ (A.getScalarSizeInBits() == B.getScalarSizeInBits() &&
+ A.getSizeInBits() < B.getSizeInBits());
+ });
auto I = std::remove_if(TypeVec.begin(), TypeVec.end(),
[Largest](MVT OtherVT) {
// Don't compare vector and non-vector types.
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