diff --git a/src/newpm.jl b/src/newpm.jl
index f95304eb..22ffe391 100644
--- a/src/newpm.jl
+++ b/src/newpm.jl
@@ -582,7 +582,11 @@ Base.string(options::CoroSplitPassOptions) =
 @function_pass "view-post-dom" PostDomViewer
 @function_pass "view-post-dom-only" PostDomOnlyViewer
 @function_pass "fix-irreducible" FixIrreduciblePass
-@function_pass "flattencfg" FlattenCFGPass
+@static if LLVM.version() < v"19"
+    @function_pass "flattencfg" FlattenCFGPass
+else
+    @function_pass "flatten-cfg" FlattenCFGPass
+end
 @function_pass "make-guards-explicit" MakeGuardsExplicitPass
 @function_pass "gvn-hoist" GVNHoistPass
 @function_pass "gvn-sink" GVNSinkPass
@@ -599,7 +603,11 @@ Base.string(options::CoroSplitPassOptions) =
 @function_pass "lint" LintPass
 @function_pass "inject-tli-mappings" InjectTLIMappings
 @function_pass "instnamer" InstructionNamerPass
-@function_pass "loweratomic" LowerAtomicPass
+@static if LLVM.version() < v"19"
+    @function_pass "loweratomic" LowerAtomicPass
+else
+    @function_pass "lower-atomic" LowerAtomicPass
+end
 @function_pass "lower-expect" LowerExpectIntrinsicPass
 @function_pass "lower-guard-intrinsic" LowerGuardIntrinsicPass
 @function_pass "lower-constant-intrinsics" LowerConstantIntrinsicsPass
@@ -608,8 +616,13 @@ Base.string(options::CoroSplitPassOptions) =
 @function_pass "load-store-vectorizer" LoadStoreVectorizerPass
 @function_pass "loop-simplify" LoopSimplifyPass
 @function_pass "loop-sink" LoopSinkPass
-@function_pass "lowerinvoke" LowerInvokePass
-@function_pass "lowerswitch" LowerSwitchPass
+@static if LLVM.version() < v"19"
+    @function_pass "lowerinvoke" LowerInvokePass
+    @function_pass "lowerswitch" LowerSwitchPass
+else
+    @function_pass "lower-invoke" LowerInvokePass
+    @function_pass "lower-switch" LowerSwitchPass
+end
 @function_pass "mem2reg" PromotePass
 @function_pass "memcpyopt" MemCpyOptPass
 @function_pass "mergeicmps" MergeICmpsPass
@@ -863,7 +876,9 @@ Base.string(options::StackLifetimePrinterPassOptions) =
 @loop_pass "loop-predication" LoopPredicationPass
 @loop_pass "guard-widening" GuardWideningPass
 @loop_pass "loop-bound-split" LoopBoundSplitPass
-@loop_pass "loop-reroll" LoopRerollPass
+@static if LLVM.version() < v"19"
+    @loop_pass "loop-reroll" LoopRerollPass
+end
 @loop_pass "loop-versioning-licm" LoopVersioningLICMPass
 
 Base.@kwdef struct SimpleLoopUnswitchPassOptions