new testcase that crashes globalopt

llvm-svn: 35688

1 files changed, 34 insertions, 0 deletions

diff --git a/llvm/test/Transforms/GlobalOpt/2007-04-05-Crash.ll b/llvm/test/Transforms/GlobalOpt/2007-04-05-Crash.ll
new file mode 100644
index 00000000000..bf957b439cb
--- /dev/null
+++ b/llvm/test/Transforms/GlobalOpt/2007-04-05-Crash.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-as < %s | opt -globalopt -disable-output
+
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
+target triple = "thumb-apple-darwin8"
+@replacementUnichar = internal global i16 -3		; <i16*> [#uses=2]
+@"
L_OBJC_IMAGE_INFO" = internal global [2 x i32] zeroinitializer		; <[2 x i32]*> [#uses=1]
+@llvm.used = appending global [1 x i8*] [ i8* bitcast ([2 x i32]* @"
L_OBJC_IMAGE_INFO" to i8*) ]		; <[1 x i8*]*> [#uses=0]
+
+define i16 @__NSCharToUnicharCFWrapper(i8 zext  %ch) zext  {
+entry:
+	%iftmp.0.0.in.in = select i1 false, i16* @replacementUnichar, i16* null		; <i16*> [#uses=1]
+	%iftmp.0.0.in = load i16* %iftmp.0.0.in.in		; <i16> [#uses=1]
+	ret i16 %iftmp.0.0.in
+}
+
+define void @__NSASCIICharToUnichar() {
+entry:
+	ret void
+}
+
+define void @_NSDefaultCStringEncoding() {
+entry:
+	call void @__NSSetCStringCharToUnichar( )
+	br i1 false, label %cond_true6, label %cond_next8
+
+cond_true6:		; preds = %entry
+	store i16 -2, i16* @replacementUnichar
+	ret void
+
+cond_next8:		; preds = %entry
+	ret void
+}
+
+declare void @__NSSetCStringCharToUnichar()