[llvm-commits] [llvm] r78446 - /llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll

[Andreas Bolka]

Author: abolka
Date: Fri Aug  7 19:21:49 2009
New Revision: 78446

URL: http://llvm.org/viewvc/llvm-project?rev=78446&view=rev
Log:
Add another Strong-SIV testcase.

Modified:
    llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll

Modified: llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll?rev=78446&r1=78445&r2=78446&view=diff

==============================================================================
--- llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll (original)
+++ llvm/trunk/test/Analysis/LoopDependenceAnalysis/siv-strong.ll Fri Aug  7 19:21:49 2009
@@ -80,3 +80,31 @@
 for.end:
   ret void
 }
+
+;; for (i = 0; i < 10; i++)
+;;   x[10*i+1] = x[10*i] + y[i]
+
+define void @f4(...) nounwind {
+entry:
+  br label %for.body
+
+for.body:
+  %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
+  %i.10 = mul i64 %i, 10
+  %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i.10
+  %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10
+  %i.10.1 = add i64 %i.10, 1
+  %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10.1
+  %x = load i32* %x.ld.addr     ; 0
+  %y = load i32* %y.ld.addr     ; 1
+  %r = add i32 %y, %x
+  store i32 %r, i32* %x.st.addr ; 2
+; CHECK: 0,2: dep
+; CHECK: 1,2: ind
+  %i.next = add i64 %i, 1
+  %exitcond = icmp eq i64 %i.next, 10
+  br i1 %exitcond, label %for.end, label %for.body
+
+for.end:
+  ret void
+}