[llvm] r346658 - [LoopVectorize] add tests for funnel shifts; NFC

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Mon Nov 12 06:52:01 2018
New Revision: 346658

URL: http://llvm.org/viewvc/llvm-project?rev=346658&view=rev
Log:
[LoopVectorize] add tests for funnel shifts; NFC

Modified:
    llvm/trunk/test/Transforms/LoopVectorize/intrinsic.ll

Modified: llvm/trunk/test/Transforms/LoopVectorize/intrinsic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/intrinsic.ll?rev=346658&r1=346657&r2=346658&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/LoopVectorize/intrinsic.ll (original)
+++ llvm/trunk/test/Transforms/LoopVectorize/intrinsic.ll Mon Nov 12 06:52:01 2018
@@ -1192,6 +1192,58 @@ for.end:
   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(