diff --git a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
--- a/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
@@ -213,25 +213,12 @@
   if (loop.lowerBound().empty())
     return failure();
 
-  if (loop.getNumLoops() != 1)
-    return opInst.emitOpError("collapsed loops not yet supported");
-
   // Static is the default.
   omp::ClauseScheduleKind schedule = omp::ClauseScheduleKind::Static;
   if (loop.schedule_val().hasValue())
     schedule =
         *omp::symbolizeClauseScheduleKind(loop.schedule_val().getValue());
 
-  // Find the loop configuration.
-  llvm::Value *lowerBound = moduleTranslation.lookupValue(loop.lowerBound()[0]);
-  llvm::Value *upperBound = moduleTranslation.lookupValue(loop.upperBound()[0]);
-  llvm::Value *step = moduleTranslation.lookupValue(loop.step()[0]);
-  llvm::Type *ivType = step->getType();
-  llvm::Value *chunk =
-      loop.schedule_chunk_var()
-          ? moduleTranslation.lookupValue(loop.schedule_chunk_var())
-          : llvm::ConstantInt::get(ivType, 1);
-
   // Set up the source location value for OpenMP runtime.
   llvm::DISubprogram *subprogram =
       builder.GetInsertBlock()->getParent()->getSubprogram();
@@ -240,12 +227,15 @@
   llvm::OpenMPIRBuilder::LocationDescription ompLoc(builder.saveIP(),
                                                     llvm::DebugLoc(diLoc));
 
-  // Generator of the canonical loop body. Produces an SESE region of basic
-  // blocks.
+  // Generator of the canonical loop body.
   // TODO: support error propagation in OpenMPIRBuilder and use it instead of
   // relying on captured variables.
+  SmallVector<llvm::CanonicalLoopInfo *> loopInfos;
   LogicalResult bodyGenStatus = success();
   auto bodyGen = [&](llvm::OpenMPIRBuilder::InsertPointTy ip, llvm::Value *iv) {
+    if (loopInfos.size() != loop.getNumLoops() - 1)
+      return;
+
     llvm::IRBuilder<>::InsertPointGuard guard(builder);
 
     // Make sure further conversions know about the induction variable.
@@ -264,17 +254,37 @@
   // TODO: this currently assumes WsLoop is semantically similar to SCF loop,
   // i.e. it has a positive step, uses signed integer semantics. Reconsider
   // this code when WsLoop clearly supports more cases.
-  llvm::CanonicalLoopInfo *loopInfo =
-      moduleTranslation.getOpenMPBuilder()->createCanonicalLoop(
-          ompLoc, bodyGen, lowerBound, upperBound, step, /*IsSigned=*/true,
-          /*InclusiveStop=*/loop.inclusive());
+  llvm::OpenMPIRBuilder *ompBuilder = moduleTranslation.getOpenMPBuilder();
+  for (unsigned i = 0, e = loop.getNumLoops(); i < e; ++i) {
+    llvm::Value *lowerBound =
+        moduleTranslation.lookupValue(loop.lowerBound()[i]);
+    llvm::Value *upperBound =
+        moduleTranslation.lookupValue(loop.upperBound()[i]);
+    llvm::Value *step = moduleTranslation.lookupValue(loop.step()[i]);
+    llvm::OpenMPIRBuilder::LocationDescription loc =
+        i == 0 ? ompLoc
+               : llvm::OpenMPIRBuilder::LocationDescription(
+                     loopInfos.back()->getBodyIP(), llvm::DebugLoc(diLoc));
+    loopInfos.push_back(ompBuilder->createCanonicalLoop(
+        loc, bodyGen, lowerBound, upperBound, step,
+        /*IsSigned=*/true, loop.inclusive()));
+  }
   if (failed(bodyGenStatus))
     return failure();
 
+  // Collapse loops.
+  llvm::CanonicalLoopInfo *loopInfo =
+      ompBuilder->collapseLoops(diLoc, loopInfos, {});
+
+  // Find the loop configuration.
+  llvm::Type *ivType = loopInfo->getIndVar()->getType();
+  llvm::Value *chunk =
+      loop.schedule_chunk_var()
+          ? moduleTranslation.lookupValue(loop.schedule_chunk_var())
+          : llvm::ConstantInt::get(ivType, 1);
   llvm::OpenMPIRBuilder::InsertPointTy allocaIP =
       findAllocaInsertPoint(builder, moduleTranslation);
   llvm::OpenMPIRBuilder::InsertPointTy afterIP;
-  llvm::OpenMPIRBuilder *ompBuilder = moduleTranslation.getOpenMPBuilder();
   if (schedule == omp::ClauseScheduleKind::Static) {
     loopInfo = ompBuilder->createStaticWorkshareLoop(ompLoc, loopInfo, allocaIP,
                                                      !loop.nowait(), chunk);