[PATCH] D79455: [mlir][StandardToLLVM] Add support for lowering FPToSIOp to LLVM.

[Han-Chung Wang via Phabricator via llvm-commits]

hanchung created this revision.
hanchung added reviewers: rriddle, asaadaldien.
Herald added subscribers: llvm-commits, Kayjukh, frgossen, grosul1, Joonsoo, stephenneuendorffer, liufengdb, lucyrfox, mgester, arpith-jacob, nicolasvasilache, antiagainst, shauheen, jpienaar, mehdi_amini.
Herald added a reviewer: ftynse.
Herald added a project: LLVM.

Depends On D79374 <https://reviews.llvm.org/D79374>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D79455

Files:
  mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
  mlir/test/Conversion/StandardToLLVM/convert-to-llvmir.mlir


Index: mlir/test/Conversion/StandardToLLVM/convert-to-llvmir.mlir
===================================================================
--- mlir/test/Conversion/StandardToLLVM/convert-to-llvmir.mlir
+++ mlir/test/Conversion/StandardToLLVM/convert-to-llvmir.mlir
@@ -552,6 +552,20 @@
   return
 }
 
+// Checking conversion of floating point to integer types.
+// CHECK-LABEL: @fptosi
+func @fptosi(%arg0 : f32, %arg1 : f64) {
+// CHECK-NEXT: = llvm.fptosi {{.*}} : !llvm.float to !llvm.i32
+  %0 = fptosi %arg0: f32 to i32
+// CHECK-NEXT: = llvm.fptosi {{.*}} : !llvm.float to !llvm.i64
+  %1 = fptosi %arg0: f32 to i64
+// CHECK-NEXT: = llvm.fptosi {{.*}} : !llvm.double to !llvm.i32
+  %2 = fptosi %arg1: f64 to i32
+// CHECK-NEXT: = llvm.fptosi {{.*}} : !llvm.double to !llvm.i64
+  %3 = fptosi %arg1: f64 to i64
+  return
+}
+
 // Checking conversion of integer types to floating point.
 // CHECK-LABEL: @fptrunc
 func @fptrunc(%arg0 : f32, %arg1 : f64) {
Index: mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
===================================================================
--- mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
+++ mlir/lib/Conversion/StandardToLLVM/StandardToLLVM.cpp
@@ -2128,6 +2128,11 @@
   using Super::Super;
 };
 
+struct FPToSILowering
+    : public OneToOneConvertToLLVMPattern<FPToSIOp, LLVM::FPToSIOp> {
+  using Super::Super;
+};
+
 struct FPTruncLowering
     : public OneToOneConvertToLLVMPattern<FPTruncOp, LLVM::FPTruncOp> {
   using Super::Super;
@@ -2905,6 +2910,7 @@
       Log10OpLowering,
       Log2OpLowering,
       FPExtLowering,
+      FPToSILowering,
       FPTruncLowering,
       IndexCastOpLowering,
       MulFOpLowering,


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