--- /dev/null
+; RUN: llvm-as < %s | llc -mtriple=x86_64-linux-gnu | grep movb | not grep x
+; PR1734
+
+ %struct.CUMULATIVE_ARGS = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
+ %struct.eh_status = type opaque
+ %struct.emit_status = type { i32, i32, %struct.rtx_def*, %struct.rtx_def*, %struct.sequence_stack*, i32, %struct.location_t, i32, i8*, %struct.rtx_def** }
+ %struct.expr_status = type { i32, i32, i32, %struct.rtx_def*, %struct.rtx_def*, %struct.rtx_def* }
+ %struct.function = type { %struct.eh_status*, %struct.expr_status*, %struct.emit_status*, %struct.varasm_status*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.function*, i32, i32, i32, i32, %struct.rtx_def*, %struct.CUMULATIVE_ARGS, %struct.rtx_def*, %struct.rtx_def*, %struct.initial_value_struct*, %struct.rtx_def*, %struct.rtx_def*, %struct.rtx_def*, %struct.rtx_def*, %struct.rtx_def*, %struct.rtx_def*, i8, i32, i64, %struct.tree_node*, %struct.tree_node*, %struct.rtx_def*, %struct.varray_head_tag*, %struct.temp_slot*, i32, %struct.var_refs_queue*, i32, i32, %struct.rtvec_def*, %struct.tree_node*, i32, i32, i32, %struct.machine_function*, i32, i32, i8, i8, %struct.language_function*, %struct.rtx_def*, i32, i32, i32, i32, %struct.location_t, %struct.varray_head_tag*, %struct.tree_node*, %struct.tree_node*, i8, i8, i8 }
+ %struct.initial_value_struct = type opaque
+ %struct.lang_decl = type opaque
+ %struct.lang_type = type opaque
+ %struct.language_function = type opaque
+ %struct.location_t = type { i8*, i32 }
+ %struct.machine_function = type { %struct.stack_local_entry*, i8*, %struct.rtx_def*, i32, i32, i32, i32, i32 }
+ %struct.rtunion = type { i8* }
+ %struct.rtvec_def = type { i32, [1 x %struct.rtx_def*] }
+ %struct.rtx_def = type { i16, i8, i8, %struct.u }
+ %struct.sequence_stack = type { %struct.rtx_def*, %struct.rtx_def*, %struct.sequence_stack* }
+ %struct.stack_local_entry = type opaque
+ %struct.temp_slot = type opaque
+ %struct.tree_common = type { %struct.tree_node*, %struct.tree_node*, %union.tree_ann_d*, i8, i8, i8, i8, i8 }
+ %struct.tree_decl = type { %struct.tree_common, %struct.location_t, i32, %struct.tree_node*, i8, i8, i8, i8, i8, i8, i8, i8, i32, %struct.tree_decl_u1, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.rtx_def*, i32, %struct.tree_decl_u2, %struct.tree_node*, %struct.tree_node*, i64, %struct.lang_decl* }
+ %struct.tree_decl_u1 = type { i64 }
+ %struct.tree_decl_u2 = type { %struct.function* }
+ %struct.tree_node = type { %struct.tree_decl }
+ %struct.tree_type = type { %struct.tree_common, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, i32, i16, i8, i8, i32, %struct.tree_node*, %struct.tree_node*, %struct.rtunion, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, i64, %struct.lang_type* }
+ %struct.u = type { [1 x %struct.rtunion] }
+ %struct.var_refs_queue = type { %struct.rtx_def*, i32, i32, %struct.var_refs_queue* }
+ %struct.varasm_status = type opaque
+ %struct.varray_data = type { [1 x i64] }
+ %struct.varray_head_tag = type { i64, i64, i32, i8*, %struct.varray_data }
+ %union.tree_ann_d = type opaque
+@.str = external constant [28 x i8] ; <[28 x i8]*> [#uses=1]
+@tree_code_type = external constant [0 x i32] ; <[0 x i32]*> [#uses=5]
+@global_trees = external global [47 x %struct.tree_node*] ; <[47 x %struct.tree_node*]*> [#uses=1]
+@mode_size = external global [48 x i8] ; <[48 x i8]*> [#uses=1]
+@__FUNCTION__.22683 = external constant [12 x i8] ; <[12 x i8]*> [#uses=1]
+
+define void @layout_type(%struct.tree_node* %type) {
+entry:
+ %tmp15 = icmp eq %struct.tree_node* %type, null ; <i1> [#uses=1]
+ br i1 %tmp15, label %cond_true, label %cond_false
+
+cond_true: ; preds = %entry
+ tail call void @fancy_abort( i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1713, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_false: ; preds = %entry
+ %tmp19 = load %struct.tree_node** getelementptr ([47 x %struct.tree_node*]* @global_trees, i32 0, i64 0), align 8 ; <%struct.tree_node*> [#uses=1]
+ %tmp21 = icmp eq %struct.tree_node* %tmp19, %type ; <i1> [#uses=1]
+ br i1 %tmp21, label %UnifiedReturnBlock, label %cond_next25
+
+cond_next25: ; preds = %cond_false
+ %tmp30 = getelementptr %struct.tree_node* %type, i32 0, i32 0, i32 0, i32 3 ; <i8*> [#uses=1]
+ %tmp3031 = bitcast i8* %tmp30 to i32* ; <i32*> [#uses=6]
+ %tmp32 = load i32* %tmp3031, align 8 ; <i32> [#uses=3]
+ %tmp3435 = trunc i32 %tmp32 to i8 ; <i8> [#uses=3]
+ %tmp34353637 = zext i8 %tmp3435 to i64 ; <i64> [#uses=1]
+ %tmp38 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %tmp34353637 ; <i32*> [#uses=1]
+ %tmp39 = load i32* %tmp38, align 4 ; <i32> [#uses=1]
+ %tmp40 = icmp eq i32 %tmp39, 2 ; <i1> [#uses=4]
+ br i1 %tmp40, label %cond_next46, label %cond_true43
+
+cond_true43: ; preds = %cond_next25
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1719, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next46: ; preds = %cond_next25
+ %tmp4950 = bitcast %struct.tree_node* %type to %struct.tree_type* ; <%struct.tree_type*> [#uses=2]
+ %tmp51 = getelementptr %struct.tree_type* %tmp4950, i32 0, i32 2 ; <%struct.tree_node**> [#uses=2]
+ %tmp52 = load %struct.tree_node** %tmp51, align 8 ; <%struct.tree_node*> [#uses=1]
+ %tmp53 = icmp eq %struct.tree_node* %tmp52, null ; <i1> [#uses=1]
+ br i1 %tmp53, label %cond_next57, label %UnifiedReturnBlock
+
+cond_next57: ; preds = %cond_next46
+ %tmp65 = and i32 %tmp32, 255 ; <i32> [#uses=1]
+ switch i32 %tmp65, label %UnifiedReturnBlock [
+ i32 6, label %bb140
+ i32 7, label %bb69
+ i32 8, label %bb140
+ i32 13, label %bb478
+ i32 23, label %bb
+ ]
+
+bb: ; preds = %cond_next57
+ tail call void @fancy_abort( i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1727, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+bb69: ; preds = %cond_next57
+ br i1 %tmp40, label %cond_next91, label %cond_true88
+
+cond_true88: ; preds = %bb69
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1730, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next91: ; preds = %bb69
+ %tmp96 = getelementptr %struct.tree_node* %type, i32 0, i32 0, i32 8 ; <i8*> [#uses=1]
+ %tmp9697 = bitcast i8* %tmp96 to i32* ; <i32*> [#uses=2]
+ %tmp98 = load i32* %tmp9697, align 8 ; <i32> [#uses=2]
+ %tmp100101552 = and i32 %tmp98, 511 ; <i32> [#uses=1]
+ %tmp102 = icmp eq i32 %tmp100101552, 0 ; <i1> [#uses=1]
+ br i1 %tmp102, label %cond_true105, label %bb140
+
+cond_true105: ; preds = %cond_next91
+ br i1 %tmp40, label %cond_next127, label %cond_true124
+
+cond_true124: ; preds = %cond_true105
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1731, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next127: ; preds = %cond_true105
+ %tmp136 = or i32 %tmp98, 1 ; <i32> [#uses=1]
+ %tmp137 = and i32 %tmp136, -511 ; <i32> [#uses=1]
+ store i32 %tmp137, i32* %tmp9697, align 8
+ br label %bb140
+
+bb140: ; preds = %cond_next127, %cond_next91, %cond_next57, %cond_next57
+ switch i8 %tmp3435, label %cond_true202 [
+ i8 6, label %cond_next208
+ i8 9, label %cond_next208
+ i8 7, label %cond_next208
+ i8 8, label %cond_next208
+ i8 10, label %cond_next208
+ ]
+
+cond_true202: ; preds = %bb140
+ tail call void (%struct.tree_node*, i8*, i32, i8*, ...)* @tree_check_failed( %struct.tree_node* %type, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1738, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0), i32 9, i32 6, i32 7, i32 8, i32 10, i32 0 )
+ unreachable
+
+cond_next208: ; preds = %bb140, %bb140, %bb140, %bb140, %bb140
+ %tmp213 = getelementptr %struct.tree_type* %tmp4950, i32 0, i32 14 ; <%struct.tree_node**> [#uses=1]
+ %tmp214 = load %struct.tree_node** %tmp213, align 8 ; <%struct.tree_node*> [#uses=2]
+ %tmp217 = getelementptr %struct.tree_node* %tmp214, i32 0, i32 0, i32 0, i32 3 ; <i8*> [#uses=1]
+ %tmp217218 = bitcast i8* %tmp217 to i32* ; <i32*> [#uses=1]
+ %tmp219 = load i32* %tmp217218, align 8 ; <i32> [#uses=1]
+ %tmp221222 = trunc i32 %tmp219 to i8 ; <i8> [#uses=1]
+ %tmp223 = icmp eq i8 %tmp221222, 24 ; <i1> [#uses=1]
+ br i1 %tmp223, label %cond_true226, label %cond_next340
+
+cond_true226: ; preds = %cond_next208
+ switch i8 %tmp3435, label %cond_true288 [
+ i8 6, label %cond_next294
+ i8 9, label %cond_next294
+ i8 7, label %cond_next294
+ i8 8, label %cond_next294
+ i8 10, label %cond_next294
+ ]
+
+cond_true288: ; preds = %cond_true226
+ tail call void (%struct.tree_node*, i8*, i32, i8*, ...)* @tree_check_failed( %struct.tree_node* %type, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1739, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0), i32 9, i32 6, i32 7, i32 8, i32 10, i32 0 )
+ unreachable
+
+cond_next294: ; preds = %cond_true226, %cond_true226, %cond_true226, %cond_true226, %cond_true226
+ %tmp301 = tail call i32 @tree_int_cst_sgn( %struct.tree_node* %tmp214 ) ; <i32> [#uses=1]
+ %tmp302 = icmp sgt i32 %tmp301, -1 ; <i1> [#uses=1]
+ br i1 %tmp302, label %cond_true305, label %cond_next340
+
+cond_true305: ; preds = %cond_next294
+ %tmp313 = load i32* %tmp3031, align 8 ; <i32> [#uses=2]
+ %tmp315316 = trunc i32 %tmp313 to i8 ; <i8> [#uses=1]
+ %tmp315316317318 = zext i8 %tmp315316 to i64 ; <i64> [#uses=1]
+ %tmp319 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %tmp315316317318 ; <i32*> [#uses=1]
+ %tmp320 = load i32* %tmp319, align 4 ; <i32> [#uses=1]
+ %tmp321 = icmp eq i32 %tmp320, 2 ; <i1> [#uses=1]
+ br i1 %tmp321, label %cond_next327, label %cond_true324
+
+cond_true324: ; preds = %cond_true305
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1740, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next327: ; preds = %cond_true305
+ %tmp338 = or i32 %tmp313, 8192 ; <i32> [#uses=1]
+ store i32 %tmp338, i32* %tmp3031, align 8
+ br label %cond_next340
+
+cond_next340: ; preds = %cond_next327, %cond_next294, %cond_next208
+ %tmp348 = load i32* %tmp3031, align 8 ; <i32> [#uses=1]
+ %tmp350351 = trunc i32 %tmp348 to i8 ; <i8> [#uses=1]
+ %tmp350351352353 = zext i8 %tmp350351 to i64 ; <i64> [#uses=1]
+ %tmp354 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %tmp350351352353 ; <i32*> [#uses=1]
+ %tmp355 = load i32* %tmp354, align 4 ; <i32> [#uses=1]
+ %tmp356 = icmp eq i32 %tmp355, 2 ; <i1> [#uses=1]
+ br i1 %tmp356, label %cond_next385, label %cond_true359
+
+cond_true359: ; preds = %cond_next340
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1742, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next385: ; preds = %cond_next340
+ %tmp390 = getelementptr %struct.tree_node* %type, i32 0, i32 0, i32 8 ; <i8*> [#uses=1]
+ %tmp390391 = bitcast i8* %tmp390 to i32* ; <i32*> [#uses=3]
+ %tmp392 = load i32* %tmp390391, align 8 ; <i32> [#uses=1]
+ %tmp394 = and i32 %tmp392, 511 ; <i32> [#uses=1]
+ %tmp397 = tail call i32 @smallest_mode_for_size( i32 %tmp394, i32 2 ) ; <i32> [#uses=1]
+ %tmp404 = load i32* %tmp390391, align 8 ; <i32> [#uses=1]
+ %tmp397398405 = shl i32 %tmp397, 9 ; <i32> [#uses=1]
+ %tmp407 = and i32 %tmp397398405, 65024 ; <i32> [#uses=1]
+ %tmp408 = and i32 %tmp404, -65025 ; <i32> [#uses=1]
+ %tmp409 = or i32 %tmp408, %tmp407 ; <i32> [#uses=2]
+ store i32 %tmp409, i32* %tmp390391, align 8
+ %tmp417 = load i32* %tmp3031, align 8 ; <i32> [#uses=1]
+ %tmp419420 = trunc i32 %tmp417 to i8 ; <i8> [#uses=1]
+ %tmp419420421422 = zext i8 %tmp419420 to i64 ; <i64> [#uses=1]
+ %tmp423 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %tmp419420421422 ; <i32*> [#uses=1]
+ %tmp424 = load i32* %tmp423, align 4 ; <i32> [#uses=1]
+ %tmp425 = icmp eq i32 %tmp424, 2 ; <i1> [#uses=1]
+ br i1 %tmp425, label %cond_next454, label %cond_true428
+
+cond_true428: ; preds = %cond_next385
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1744, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next454: ; preds = %cond_next385
+ lshr i32 %tmp409, 9 ; <i32>:0 [#uses=1]
+ trunc i32 %0 to i8 ; <i8>:1 [#uses=1]
+ %tmp463464 = and i8 %1, 127 ; <i8> [#uses=1]
+ %tmp463464465466 = zext i8 %tmp463464 to i64 ; <i64> [#uses=1]
+ %tmp467 = getelementptr [48 x i8]* @mode_size, i32 0, i64 %tmp463464465466 ; <i8*> [#uses=1]
+ %tmp468 = load i8* %tmp467, align 1 ; <i8> [#uses=1]
+ %tmp468469553 = zext i8 %tmp468 to i16 ; <i16> [#uses=1]
+ %tmp470471 = shl i16 %tmp468469553, 3 ; <i16> [#uses=1]
+ %tmp470471472 = zext i16 %tmp470471 to i64 ; <i64> [#uses=1]
+ %tmp473 = tail call %struct.tree_node* @size_int_kind( i64 %tmp470471472, i32 2 ) ; <%struct.tree_node*> [#uses=1]
+ store %struct.tree_node* %tmp473, %struct.tree_node** %tmp51, align 8
+ ret void
+
+bb478: ; preds = %cond_next57
+ br i1 %tmp40, label %cond_next500, label %cond_true497
+
+cond_true497: ; preds = %bb478
+ tail call void @tree_class_check_failed( %struct.tree_node* %type, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1755, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next500: ; preds = %bb478
+ %tmp506 = getelementptr %struct.tree_node* %type, i32 0, i32 0, i32 0, i32 1 ; <%struct.tree_node**> [#uses=1]
+ %tmp507 = load %struct.tree_node** %tmp506, align 8 ; <%struct.tree_node*> [#uses=2]
+ %tmp511 = getelementptr %struct.tree_node* %tmp507, i32 0, i32 0, i32 0, i32 3 ; <i8*> [#uses=1]
+ %tmp511512 = bitcast i8* %tmp511 to i32* ; <i32*> [#uses=1]
+ %tmp513 = load i32* %tmp511512, align 8 ; <i32> [#uses=2]
+ %tmp515516 = trunc i32 %tmp513 to i8 ; <i8> [#uses=1]
+ %tmp515516517518 = zext i8 %tmp515516 to i64 ; <i64> [#uses=1]
+ %tmp519 = getelementptr [0 x i32]* @tree_code_type, i32 0, i64 %tmp515516517518 ; <i32*> [#uses=1]
+ %tmp520 = load i32* %tmp519, align 4 ; <i32> [#uses=1]
+ %tmp521 = icmp eq i32 %tmp520, 2 ; <i1> [#uses=1]
+ br i1 %tmp521, label %cond_next527, label %cond_true524
+
+cond_true524: ; preds = %cond_next500
+ tail call void @tree_class_check_failed( %struct.tree_node* %tmp507, i32 2, i8* getelementptr ([28 x i8]* @.str, i32 0, i64 0), i32 1755, i8* getelementptr ([12 x i8]* @__FUNCTION__.22683, i32 0, i32 0) )
+ unreachable
+
+cond_next527: ; preds = %cond_next500
+ %tmp545 = and i32 %tmp513, 8192 ; <i32> [#uses=1]
+ %tmp547 = and i32 %tmp32, -8193 ; <i32> [#uses=1]
+ %tmp548 = or i32 %tmp547, %tmp545 ; <i32> [#uses=1]
+ store i32 %tmp548, i32* %tmp3031, align 8
+ ret void
+
+UnifiedReturnBlock: ; preds = %cond_next57, %cond_next46, %cond_false
+ ret void
+}
+
+declare void @fancy_abort(i8*, i32, i8*)
+
+declare void @tree_class_check_failed(%struct.tree_node*, i32, i8*, i32, i8*)
+
+declare i32 @smallest_mode_for_size(i32, i32)
+
+declare %struct.tree_node* @size_int_kind(i64, i32)
+
+declare void @tree_check_failed(%struct.tree_node*, i8*, i32, i8*, ...)
+
+declare i32 @tree_int_cst_sgn(%struct.tree_node*)
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