diff test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll @ 0:95c75e76d11b LLVM3.4

LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/Generic/2006-06-13-ComputeMaskedBitsCrash.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,35 @@
+; RUN: llc < %s -O0
+	
+%struct.cl_perfunc_opts = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i32, i32, i32, i32, i32, i32, i32 }
+@cl_pf_opts = external global %struct.cl_perfunc_opts		; <%struct.cl_perfunc_opts*> [#uses=2]
+
+define void @set_flags_from_O() {
+entry:
+	%tmp22 = icmp sgt i32 0, 0		; <i1> [#uses=1]
+	br i1 %tmp22, label %cond_true23, label %cond_next159
+
+cond_true23:		; preds = %entry
+	%tmp138 = getelementptr %struct.cl_perfunc_opts* @cl_pf_opts, i32 0, i32 8		; <i8*> [#uses=1]
+	%tmp138.upgrd.1 = bitcast i8* %tmp138 to i32*		; <i32*> [#uses=2]
+	%tmp139 = load i32* %tmp138.upgrd.1		; <i32> [#uses=1]
+	%tmp140 = shl i32 1, 27		; <i32> [#uses=1]
+	%tmp141 = and i32 %tmp140, 134217728		; <i32> [#uses=1]
+	%tmp142 = and i32 %tmp139, -134217729		; <i32> [#uses=1]
+	%tmp143 = or i32 %tmp142, %tmp141		; <i32> [#uses=1]
+	store i32 %tmp143, i32* %tmp138.upgrd.1
+	%tmp144 = getelementptr %struct.cl_perfunc_opts* @cl_pf_opts, i32 0, i32 8		; <i8*> [#uses=1]
+	%tmp144.upgrd.2 = bitcast i8* %tmp144 to i32*		; <i32*> [#uses=1]
+	%tmp145 = load i32* %tmp144.upgrd.2		; <i32> [#uses=1]
+	%tmp146 = shl i32 %tmp145, 22		; <i32> [#uses=1]
+	%tmp147 = lshr i32 %tmp146, 31		; <i32> [#uses=1]
+	%tmp147.upgrd.3 = trunc i32 %tmp147 to i8		; <i8> [#uses=1]
+	%tmp148 = icmp eq i8 %tmp147.upgrd.3, 0		; <i1> [#uses=1]
+	br i1 %tmp148, label %cond_true149, label %cond_next159
+
+cond_true149:		; preds = %cond_true23
+	%tmp150 = bitcast i8* null to i32*		; <i32*> [#uses=0]
+	ret void
+
+cond_next159:		; preds = %cond_true23, %entry
+	ret void
+}