Revert "Temporarily Revert "Add basic loop fusion pass.""

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552

1 files changed, 27 insertions, 0 deletions

diff --git a/llvm/test/Transforms/IndVarSimplify/single-element-range.ll b/llvm/test/Transforms/IndVarSimplify/single-element-range.ll
new file mode 100644
index 00000000000..e047a0b254e
--- /dev/null
+++ b/llvm/test/Transforms/IndVarSimplify/single-element-range.ll
@@ -0,0 +1,27 @@
+; RUN: opt < %s -indvars
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"
+target triple = "armv6-apple-darwin10"
+
+define void @sqlite3_free_table(i8** %azResult) nounwind {
+entry:
+	br i1 undef, label %return, label %bb
+
+bb:		; preds = %entry
+	%0 = load i8*, i8** undef, align 4		; <i8*> [#uses=2]
+	%1 = ptrtoint i8* %0 to i32		; <i32> [#uses=1]
+	%2 = icmp sgt i8* %0, inttoptr (i32 1 to i8*)		; <i1> [#uses=1]
+	br i1 %2, label %bb1, label %bb5
+
+bb1:		; preds = %bb1, %bb
+	%i.01 = phi i32 [ %3, %bb1 ], [ 1, %bb ]		; <i32> [#uses=1]
+	%3 = add i32 %i.01, 1		; <i32> [#uses=2]
+	%4 = icmp slt i32 %3, %1		; <i1> [#uses=1]
+	br i1 %4, label %bb1, label %bb5
+
+bb5:		; preds = %bb1, %bb
+	ret void
+
+return:		; preds = %entry
+	ret void
+}