New test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41799 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Other/2007-09-10-PassManager.ll b/test/Other/2007-09-10-PassManager.ll
new file mode 100644 (file)
index 0000000..863be33
--- /dev/null
+++ b/test/Other/2007-09-10-PassManager.ll
@@ -0,0 +1,32 @@
+; RUN: llvm-as < %s | opt -loop-unswitch -indvars -disable-output
+; Require SCEV before LCSSA.
+define void @foo() {
+entry:
+       %i = alloca i32, align 4                ; <i32*> [#uses=5]
+       %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+       store i32 0, i32* %i, align 4
+       br label %bb3
+
+bb:            ; preds = %bb3
+       %tmp = load i32* %i, align 4            ; <i32> [#uses=1]
+       call void @bar( i32 %tmp )
+       %tmp1 = load i32* %i, align 4           ; <i32> [#uses=1]
+       %tmp2 = add i32 %tmp1, 1                ; <i32> [#uses=1]
+       store i32 %tmp2, i32* %i, align 4
+       br label %bb3
+
+bb3:           ; preds = %bb, %entry
+       %tmp4 = load i32* %i, align 4           ; <i32> [#uses=1]
+       %tmp5 = icmp sle i32 %tmp4, 9           ; <i1> [#uses=1]
+       %tmp56 = zext i1 %tmp5 to i8            ; <i8> [#uses=1]
+       %toBool = icmp ne i8 %tmp56, 0          ; <i1> [#uses=1]
+       br i1 %toBool, label %bb, label %bb7
+
+bb7:           ; preds = %bb3
+       br label %return
+
+return:                ; preds = %bb7
+       ret void
+}
+
+declare void @bar(i32)