[llvm] [X86] Adding lowerings for vector ISD::LRINT and ISD::LLRINT (PR #90065)

[Simon Pilgrim via llvm-commits]

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@@ -1586,6 +1585,20 @@ def VCVTPD2DQYrm : SDI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins f256mem:$src),
                        VEX, VEX_L, Sched<[WriteCvtPD2IYLd]>, WIG;
 }
 
+let Predicates = [HasAVX] in {
+  def : Pat<(v4i32 (lrint VR128:$src)), (VCVTPS2DQrr VR128:$src)>;
+  def : Pat<(v4i32 (lrint (loadv4f32 addr:$src))), (VCVTPS2DQrm addr:$src)>;
+  def : Pat<(v8i32 (lrint VR256:$src)), (VCVTPS2DQYrr VR256:$src)>;
+  def : Pat<(v8i32 (lrint (loadv8f32 addr:$src))), (VCVTPS2DQYrm addr:$src)>;
+  def : Pat<(v4i32 (lrint VR256:$src)), (VCVTPD2DQYrr VR256:$src)>;
+  def : Pat<(v4i32 (lrint (loadv4f64 addr:$src))), (VCVTPD2DQYrm addr:$src)>;
+}
+
+let Predicates = [HasSSE2] in {
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RKSimon wrote:

UseSSE2 ?

https://github.com/llvm/llvm-project/pull/90065