Fix a bug in my patch last night that broke InstCombine/2007-10-12-Crash.ll
llvm-svn: 42920
diff --git a/llvm/test/Transforms/InstCombine/2007-10-12-Crash.ll b/llvm/test/Transforms/InstCombine/2007-10-12-Crash.ll
new file mode 100644
index 0000000..ed98fcd
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/2007-10-12-Crash.ll
@@ -0,0 +1,38 @@
+; RUN: llvm-as < %s | opt -instcombine -disable-output
+
+ %struct.Ray = type { %struct.Vec, %struct.Vec }
+ %struct.Scene = type { i32 (...)** }
+ %struct.Vec = type { double, double, double }
+
+declare double @_Z9ray_traceRK3VecRK3RayRK5Scene(%struct.Vec*, %struct.Ray*, %struct.Scene*)
+
+define i32 @main(i32 %argc, i8** %argv) {
+entry:
+ %tmp3 = alloca %struct.Ray, align 4 ; <%struct.Ray*> [#uses=2]
+ %tmp97 = icmp slt i32 0, 512 ; <i1> [#uses=1]
+ br i1 %tmp97, label %bb71, label %bb108
+
+bb29: ; preds = %bb62
+ %tmp322 = bitcast %struct.Ray* %tmp3 to %struct.Vec* ; <%struct.Vec*> [#uses=1]
+ %tmp322.0 = getelementptr %struct.Vec* %tmp322, i32 0, i32 0 ; <double*> [#uses=1]
+ store double 0.000000e+00, double* %tmp322.0
+ %tmp57 = call double @_Z9ray_traceRK3VecRK3RayRK5Scene( %struct.Vec* null, %struct.Ray* %tmp3, %struct.Scene* null ) ; <double> [#uses=0]
+ br label %bb62
+
+bb62: ; preds = %bb71, %bb29
+ %tmp65 = icmp slt i32 0, 4 ; <i1> [#uses=1]
+ br i1 %tmp65, label %bb29, label %bb68
+
+bb68: ; preds = %bb62
+ ret i32 0
+
+bb71: ; preds = %entry
+ %tmp74 = icmp slt i32 0, 4 ; <i1> [#uses=1]
+ br i1 %tmp74, label %bb62, label %bb77
+
+bb77: ; preds = %bb71
+ ret i32 0
+
+bb108: ; preds = %entry
+ ret i32 0
+}