Integrate LLVM at llvm/llvm-project@d1978fa4bf

Updates LLVM usage to match
[d1978fa4bf0d](https://github.com/llvm/llvm-project/commit/d1978fa4bf0d)

PiperOrigin-RevId: 355848094

WORKSPACE

@@ -15,9 +15,9 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-LLVM_COMMIT = "91e7a17133324ac4beaf6ed45c170436c2d91c98"
+LLVM_COMMIT = "d1978fa4bf0d7da0b3cd88879e9411467edcb01f"
 
-LLVM_SHA256 = "07ef834c47337dc7b38c765693a3b5a1835aac2f716fd9a06c374a71722c20de"
+LLVM_SHA256 = "7cf83492b954d713f727bbafb00aa93e412281cc6e0cab90a38a3c00ca63cc4a"
 
 LLVM_BAZEL_TAG = "llvm-project-{commit}".format(commit = LLVM_COMMIT)
 

build_tools/llvm_version.txt

@@ -1,2 +1,2 @@
-91e7a17133324ac4beaf6ed45c170436c2d91c98
+d1978fa4bf0d7da0b3cd88879e9411467edcb01f
 

lib/Dialect/mhlo/transforms/legalize_gather_to_torch_index_select.cc

@@ -133,7 +133,7 @@ struct LegalizeGatherToTorchIndexSelectPass
   void runOnFunction() override {
     OwningRewritePatternList patterns;
     PopulateGatherToTorchIndexSelectPatterns(&getContext(), &patterns);
-    applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
   }
 };
 }  // namespace

lib/Dialect/mhlo/transforms/legalize_to_standard.cc

@@ -201,7 +201,7 @@ void PopulateMhloToStdPatterns(OwningRewritePatternList *patterns,
 void LegalizeToStandardPass::runOnFunction() {
   OwningRewritePatternList patterns;
   mlir::mhlo::PopulateMhloToStdPatterns(&patterns, &getContext());
-  applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+  (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
 }
 
 }  // end namespace mhlo

lib/Dialect/mhlo/transforms/legalize_trigonometric_to_approximation.cc

@@ -259,7 +259,7 @@ struct LegalizeTrigonometricToApproximationPass
   void runOnFunction() override {
     OwningRewritePatternList patterns;
     PopulateTrigonometricToApproximationPatterns(&getContext(), &patterns);
-    applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
   }
 };
 

lib/Dialect/mhlo/transforms/lhlo_fuse_linalg.cc

@@ -164,7 +164,7 @@ class LhloFuseLinalgPass
       }
     });
     auto patterns = linalg::getLinalgTilingCanonicalizationPatterns(ctx);
-    applyPatternsAndFoldGreedily(func, std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(func, std::move(patterns));
 
     // Fuse producers of tiled linalg ops.
     llvm::SmallDenseSet<Operation*> erase_set;
@@ -185,7 +185,7 @@ class LhloFuseLinalgPass
       }
 
       auto patterns = linalg::getLinalgTilingCanonicalizationPatterns(ctx);
-      applyPatternsAndFoldGreedily(func, std::move(patterns));
+      (void)applyPatternsAndFoldGreedily(func, std::move(patterns));
     }
     for (auto* e : erase_set) e->erase();
   }

lib/Dialect/mhlo/transforms/lhlo_legalize_to_affine.cc

@@ -158,7 +158,7 @@ struct LhloLegalizeToAffinePass
     OwningRewritePatternList patterns;
     auto func = getFunction();
     populateLHLOToAffineConversionPattern(func.getContext(), &patterns);
-    applyPatternsAndFoldGreedily(func, std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(func, std::move(patterns));
   }
 };
 

lib/Dialect/mhlo/transforms/lower_complex.cc

@@ -70,7 +70,7 @@ void LowerComplexPass::runOnFunction() {
   OwningRewritePatternList patterns;
   mlir::mhlo::PopulateComplexLoweringPatterns(&getContext(), &patterns);
 
-  applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+  (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
 }
 
 std::unique_ptr<FunctionPass> mlir::mhlo::createLowerComplexPass() {

lib/Dialect/mhlo/transforms/lower_general_dot.cc

@@ -182,7 +182,7 @@ struct LegalizeGeneralDotPass
   void runOnFunction() override {
     OwningRewritePatternList patterns;
     mlir::mhlo::PopulateGeneralDotOpLoweringPatterns(&patterns, &getContext());
-    applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
   }
 };
 

lib/Dialect/mhlo/transforms/optimize_mhlo_pass.cc

@@ -42,7 +42,7 @@ void OptimizeMhloPass::runOnFunction() {
   mlir::OwningRewritePatternList patterns;
   mlir::mhlo::PopulateOptimizeMHLOPatterns(&getContext(), &patterns);
 
-  applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+  (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
 }
 
 std::unique_ptr<mlir::FunctionPass> mlir::mhlo::createOptimizeMhloPass() {

lib/Dialect/mhlo/transforms/test_infer_shaped_type_pass.cc

@@ -87,7 +87,7 @@ struct TestInferShapedTypeMethodsPass
     OwningRewritePatternList patterns;
     patterns.insert<ReifyReturnTypeShapesPattern>(&getContext());
     patterns.insert<InferReturnTypeComponentsPattern>(&getContext());
-    applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
   }
 };
 

lib/Dialect/mhlo/transforms/unfuse_batch_norm_pass.cc

@@ -32,7 +32,7 @@ struct TestUnfuseBatchNormPass
   void runOnOperation() override {
     OwningRewritePatternList patterns;
     PopulateUnfuseBatchNormPatterns(&getContext(), &patterns);
-    applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
+    (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
   }
 };