From: Sanjay Patel <spatel@rotateright.com>
Date: Mon, 12 Nov 2018 14:52:01 +0000 (+0000)
Subject: [LoopVectorize] add tests for funnel shifts; NFC
X-Git-Tag: llvmorg-8.0.0-rc1~4482
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=75120dcb0678a71d0a1d2a66d293592a57a7f513;p=platform%2Fupstream%2Fllvm.git

[LoopVectorize] add tests for funnel shifts; NFC

llvm-svn: 346658
---

diff --git a/llvm/test/Transforms/LoopVectorize/intrinsic.ll b/llvm/test/Transforms/LoopVectorize/intrinsic.ll
index 203c4435c88c..b0ad22198a0d 100644
--- a/llvm/test/Transforms/LoopVectorize/intrinsic.ll
+++ b/llvm/test/Transforms/LoopVectorize/intrinsic.ll
@@ -1192,6 +1192,58 @@ for.end:                                          ; preds = %for.body, %entry
   ret void
 }
 
+declare i32 @llvm.fshl.i32 (i32, i32, i32)
+
+define void @fshl_i32(i32 %n, i32* noalias %x, i32* noalias %y, i32 %shAmt) {
+; CHECK-LABEL: @fshl_i32(
+; CHECK-NOT:     call <4 x i32> @llvm.fshl.v4i32(<4 x i32> [[WIDE_LOADX:%.*]], <4 x i32> [[WIDE_LOADY:%.*]], <4 x i32> [[SPLAT:%.*]])
+; CHECK:         ret void
+entry:
+  %cmp = icmp sgt i32 %n, 0
+  br i1 %cmp, label %loop, label %end
+
+loop:
+  %iv = phi i32 [ %iv.next, %loop ], [ 0, %entry ]
+  %xi = getelementptr inbounds i32, i32* %x, i32 %iv
+  %yi = getelementptr inbounds i32, i32* %y, i32 %iv
+  %xld = load i32, i32* %xi, align 4
+  %yld = load i32, i32* %yi, align 4
+  %call = tail call i32 @llvm.fshl.i32(i32 %xld, i32 %yld, i32 %shAmt)
+  store i32 %call, i32* %xi, align 4
+  %iv.next = add i32 %iv, 1
+  %exitcond = icmp eq i32 %iv.next, %n
+  br i1 %exitcond, label %end, label %loop
+
+end:
+  ret void
+}
+
+declare i32 @llvm.fshr.i32 (i32, i32, i32)
+
+define void @fshr_i32(i32 %n, i32* noalias %x, i32* noalias %y, i32 %shAmt) {
+; CHECK-LABEL: @fshr_i32(
+; CHECK-NOT:     call <4 x i32> @llvm.fshr.v4i32(<4 x i32> [[WIDE_LOADX:%.*]], <4 x i32> [[WIDE_LOADY:%.*]], <4 x i32> [[SPLAT:%.*]])
+; CHECK:         ret void
+entry:
+  %cmp = icmp sgt i32 %n, 0
+  br i1 %cmp, label %loop, label %end
+
+loop:
+  %iv = phi i32 [ %iv.next, %loop ], [ 0, %entry ]
+  %xi = getelementptr inbounds i32, i32* %x, i32 %iv
+  %yi = getelementptr inbounds i32, i32* %y, i32 %iv
+  %xld = load i32, i32* %xi, align 4
+  %yld = load i32, i32* %yi, align 4
+  %call = tail call i32 @llvm.fshr.i32(i32 %xld, i32 %yld, i32 %shAmt)
+  store i32 %call, i32* %xi, align 4
+  %iv.next = add i32 %iv, 1
+  %exitcond = icmp eq i32 %iv.next, %n
+  br i1 %exitcond, label %end, label %loop
+
+end:
+  ret void
+}
+
 declare float @llvm.minnum.f32(float, float) nounwind readnone
 
 ;CHECK-LABEL: @minnum_f32(