Minor cleanup related to my latest scheduler changes.

[oota-llvm.git] / test / Analysis / LoopDependenceAnalysis / siv-strong.ll

diff --git a/test/Analysis/LoopDependenceAnalysis/siv-strong.ll b/test/Analysis/LoopDependenceAnalysis/siv-strong.ll
index 9536645e4ccda53b04a831359073c86997162f0a..401e466d6669d0362ab246d368067853bbdadbab 100644 (file)
--- a/test/Analysis/LoopDependenceAnalysis/siv-strong.ll
+++ b/test/Analysis/LoopDependenceAnalysis/siv-strong.ll
@@ -1,10 +1,10 @@
-; RUN: llvm-as < %s | opt -disable-output -analyze -lda | FileCheck %s
+; RUN: opt < %s -analyze -basicaa -lda | FileCheck %s
 
 @x = common global [256 x i32] zeroinitializer, align 4
 @y = common global [256 x i32] zeroinitializer, align 4
 
-; for (i = 0; i < 256; i++)
-;   x[i] = x[i] + y[i]
+;; for (i = 0; i < 256; i++)
+;;   x[i] = x[i] + y[i]
 
 define void @f1(...) nounwind {
 entry:
@@ -28,8 +28,8 @@ for.end:
   ret void
 }
 
-; for (i = 0; i < 256; i++)
-;   x[i+1] = x[i] + y[i]
+;; for (i = 0; i < 256; i++)
+;;   x[i+1] = x[i] + y[i]
 
 define void @f2(...) nounwind {
 entry:
@@ -54,8 +54,8 @@ for.end:
   ret void
 }
 
-; for (i = 0; i < 10; i++)
-;   x[i+20] = x[i] + y[i]
+;; for (i = 0; i < 10; i++)
+;;   x[i+20] = x[i] + y[i]
 
 define void @f3(...) nounwind {
 entry:
@@ -74,7 +74,35 @@ for.body:
 ; CHECK: 0,2: dep
 ; CHECK: 1,2: ind
   %i.next = add i64 %i, 1
-  %exitcond = icmp eq i64 %i.next, 256
+  %exitcond = icmp eq i64 %i.next, 10
+  br i1 %exitcond, label %for.end, label %for.body
+
+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: