2009-02-17-LoadPRECrash.ll [plain text]
; RUN: llvm-as < %s | opt -gvn -enable-load-pre -disable-output
%struct.VEC_rtx_base = type { i32, i32, [1 x %struct.rtx_def*] }
%struct.VEC_rtx_gc = type { %struct.VEC_rtx_base }
%struct.block_symbol = type { [3 x %struct.cgraph_rtl_info], %struct.object_block*, i64 }
%struct.cgraph_rtl_info = type { i32 }
%struct.object_block = type { %struct.section*, i32, i64, %struct.VEC_rtx_gc*, %struct.VEC_rtx_gc* }
%struct.rtvec_def = type { i32, [1 x %struct.rtx_def*] }
%struct.rtx_def = type { i16, i8, i8, %struct.u }
%struct.section = type { %struct.unnamed_section }
%struct.u = type { %struct.block_symbol }
%struct.unnamed_section = type { %struct.cgraph_rtl_info, void (i8*)*, i8*, %struct.section* }
declare %struct.rtvec_def* @gen_rtvec(i32, ...)
declare %struct.rtx_def* @plus_constant(%struct.rtx_def*, i64)
declare %struct.rtx_def* @gen_rtx_fmt_Ei(i32, i32, %struct.rtvec_def*, i32)
declare i32 @local_symbolic_operand(%struct.rtx_def*, i32)
define %struct.rtx_def* @legitimize_pic_address(%struct.rtx_def* %orig, %struct.rtx_def* %reg) nounwind {
entry:
%addr = alloca %struct.rtx_def* ; <%struct.rtx_def**> [#uses=5]
%iftmp.1532 = alloca %struct.rtx_def* ; <%struct.rtx_def**> [#uses=3]
store %struct.rtx_def* %orig, %struct.rtx_def** null
%0 = load %struct.rtx_def** null, align 4 ; <%struct.rtx_def*> [#uses=0]
br i1 false, label %bb96, label %bb59
bb59: ; preds = %entry
%1 = load %struct.rtx_def** %addr, align 4 ; <%struct.rtx_def*> [#uses=1]
%2 = call i32 @local_symbolic_operand(%struct.rtx_def* %1, i32 0) nounwind ; <i32> [#uses=0]
br i1 false, label %bb96, label %bb63
bb63: ; preds = %bb59
br i1 false, label %bb64, label %bb74
bb64: ; preds = %bb63
br i1 false, label %bb72, label %bb65
bb65: ; preds = %bb64
br label %bb72
bb72: ; preds = %bb65, %bb64
br label %bb74
bb74: ; preds = %bb72, %bb63
br i1 false, label %bb75, label %bb76
bb75: ; preds = %bb74
br label %bb76
bb76: ; preds = %bb75, %bb74
br i1 false, label %bb77, label %bb84
bb77: ; preds = %bb76
%3 = getelementptr [1 x %struct.cgraph_rtl_info]* null, i32 0, i32 0 ; <%struct.cgraph_rtl_info*> [#uses=0]
unreachable
bb84: ; preds = %bb76
br i1 false, label %bb85, label %bb86
bb85: ; preds = %bb84
br label %bb87
bb86: ; preds = %bb84
br label %bb87
bb87: ; preds = %bb86, %bb85
%4 = call %struct.rtx_def* @gen_rtx_fmt_Ei(i32 16, i32 0, %struct.rtvec_def* null, i32 1) nounwind ; <%struct.rtx_def*> [#uses=0]
br i1 false, label %bb89, label %bb90
bb89: ; preds = %bb87
br label %bb91
bb90: ; preds = %bb87
br label %bb91
bb91: ; preds = %bb90, %bb89
br i1 false, label %bb92, label %bb93
bb92: ; preds = %bb91
br label %bb94
bb93: ; preds = %bb91
br label %bb94
bb94: ; preds = %bb93, %bb92
unreachable
bb96: ; preds = %bb59, %entry
%5 = load %struct.rtx_def** %addr, align 4 ; <%struct.rtx_def*> [#uses=1]
%6 = getelementptr %struct.rtx_def* %5, i32 0, i32 0 ; <i16*> [#uses=1]
%7 = load i16* %6, align 2 ; <i16> [#uses=0]
br i1 false, label %bb147, label %bb97
bb97: ; preds = %bb96
%8 = load %struct.rtx_def** %addr, align 4 ; <%struct.rtx_def*> [#uses=0]
br i1 false, label %bb147, label %bb99
bb99: ; preds = %bb97
unreachable
bb147: ; preds = %bb97, %bb96
%9 = load %struct.rtx_def** %addr, align 4 ; <%struct.rtx_def*> [#uses=1]
%10 = getelementptr %struct.rtx_def* %9, i32 0, i32 0 ; <i16*> [#uses=1]
%11 = load i16* %10, align 2 ; <i16> [#uses=0]
br i1 false, label %bb164, label %bb148
bb148: ; preds = %bb147
br i1 false, label %bb164, label %bb149
bb149: ; preds = %bb148
br i1 false, label %bb150, label %bb152
bb150: ; preds = %bb149
unreachable
bb152: ; preds = %bb149
br label %bb164
bb164: ; preds = %bb152, %bb148, %bb147
%12 = getelementptr [1 x %struct.cgraph_rtl_info]* null, i32 0, i32 1 ; <%struct.cgraph_rtl_info*> [#uses=0]
br i1 false, label %bb165, label %bb166
bb165: ; preds = %bb164
br label %bb167
bb166: ; preds = %bb164
br label %bb167
bb167: ; preds = %bb166, %bb165
br i1 false, label %bb211, label %bb168
bb168: ; preds = %bb167
br i1 false, label %bb211, label %bb170
bb170: ; preds = %bb168
br i1 false, label %bb172, label %bb181
bb172: ; preds = %bb170
br i1 false, label %bb179, label %bb174
bb174: ; preds = %bb172
br i1 false, label %bb177, label %bb175
bb175: ; preds = %bb174
br i1 false, label %bb177, label %bb176
bb176: ; preds = %bb175
br label %bb178
bb177: ; preds = %bb175, %bb174
br label %bb178
bb178: ; preds = %bb177, %bb176
br label %bb180
bb179: ; preds = %bb172
br label %bb180
bb180: ; preds = %bb179, %bb178
br label %bb181
bb181: ; preds = %bb180, %bb170
%13 = call %struct.rtvec_def* (i32, ...)* @gen_rtvec(i32 1, %struct.rtx_def* null) nounwind ; <%struct.rtvec_def*> [#uses=0]
unreachable
bb211: ; preds = %bb168, %bb167
%14 = load %struct.rtx_def** %addr, align 4 ; <%struct.rtx_def*> [#uses=0]
%15 = getelementptr [1 x %struct.cgraph_rtl_info]* null, i32 0, i32 0 ; <%struct.cgraph_rtl_info*> [#uses=0]
store %struct.rtx_def* null, %struct.rtx_def** null, align 4
br i1 false, label %bb212, label %bb213
bb212: ; preds = %bb211
store %struct.rtx_def* null, %struct.rtx_def** %iftmp.1532, align 4
br label %bb214
bb213: ; preds = %bb211
store %struct.rtx_def* null, %struct.rtx_def** %iftmp.1532, align 4
br label %bb214
bb214: ; preds = %bb213, %bb212
%16 = bitcast %struct.block_symbol* null to [1 x %struct.cgraph_rtl_info]* ; <[1 x %struct.cgraph_rtl_info]*> [#uses=1]
%17 = getelementptr [1 x %struct.cgraph_rtl_info]* %16, i32 0, i32 1 ; <%struct.cgraph_rtl_info*> [#uses=0]
%18 = load %struct.rtx_def** %iftmp.1532, align 4 ; <%struct.rtx_def*> [#uses=0]
%19 = getelementptr %struct.rtx_def* null, i32 0, i32 3 ; <%struct.u*> [#uses=1]
%20 = getelementptr %struct.u* %19, i32 0, i32 0 ; <%struct.block_symbol*> [#uses=1]
%21 = bitcast %struct.block_symbol* %20 to [1 x i64]* ; <[1 x i64]*> [#uses=1]
%22 = getelementptr [1 x i64]* %21, i32 0, i32 0 ; <i64*> [#uses=0]
%23 = call %struct.rtx_def* @plus_constant(%struct.rtx_def* null, i64 0) nounwind ; <%struct.rtx_def*> [#uses=0]
unreachable
}