1 files changed, 65 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll b/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll
new file mode 100644
index 0000000..6fc065f
--- /dev/null
+++ b/test/Transforms/IndVarSimplify/2008-11-03-Floating.ll
@@ -0,0 +1,65 @@
+; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep icmp | count 4
+define void @bar() nounwind {
+entry:
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ]		; <double> [#uses=2]
+	%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind		; <i32> [#uses=0]
+	%1 = add double %x.0.reg2mem.0, 1.000000e+00		; <double> [#uses=2]
+	%2 = fcmp olt double %1, 1.000000e+04		; <i1> [#uses=1]
+	br i1 %2, label %bb, label %return
+
+return:		; preds = %bb
+	ret void
+}
+
+declare i32 @foo(double)
+
+define void @bar2() nounwind {
+entry:
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%x.0.reg2mem.0 = phi double [ -10.000000e+00, %entry ], [ %1, %bb ]		; <double> [#uses=2]
+	%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind		; <i32> [#uses=0]
+	%1 = add double %x.0.reg2mem.0, 2.000000e+00		; <double> [#uses=2]
+	%2 = fcmp olt double %1, -1.000000e+00		; <i1> [#uses=1]
+	br i1 %2, label %bb, label %return
+
+return:		; preds = %bb
+	ret void
+}
+
+
+define void @bar3() nounwind {
+entry:
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%x.0.reg2mem.0 = phi double [ 0.000000e+00, %entry ], [ %1, %bb ]		; <double> [#uses=2]
+	%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind		; <i32> [#uses=0]
+	%1 = add double %x.0.reg2mem.0, 1.000000e+00		; <double> [#uses=2]
+	%2 = fcmp olt double %1, -1.000000e+00		; <i1> [#uses=1]
+	br i1 %2, label %bb, label %return
+
+return:		; preds = %bb
+	ret void
+}
+
+define void @bar4() nounwind {
+entry:
+	br label %bb
+
+bb:		; preds = %bb, %entry
+	%x.0.reg2mem.0 = phi double [ 40.000000e+00, %entry ], [ %1, %bb ]		; <double> [#uses=2]
+	%0 = tail call i32 @foo(double %x.0.reg2mem.0) nounwind		; <i32> [#uses=0]
+	%1 = add double %x.0.reg2mem.0, -1.000000e+00		; <double> [#uses=2]
+	%2 = fcmp olt double %1, 1.000000e+00		; <i1> [#uses=1]
+	br i1 %2, label %bb, label %return
+
+return:		; preds = %bb
+	ret void
+}
+
+