Test case for PR1257

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35253 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/ARM/2007-03-21-JoinIntervalsCrash.ll b/test/CodeGen/ARM/2007-03-21-JoinIntervalsCrash.ll
new file mode 100644 (file)
index 0000000..e5fed6a
--- /dev/null
+++ b/test/CodeGen/ARM/2007-03-21-JoinIntervalsCrash.ll
@@ -0,0 +1,97 @@
+; RUN: llvm-as < %s | llc -mtriple=arm-linux-gnueabi
+; PR1257
+
+       %struct.CUMULATIVE_ARGS = type { i32, i32, i32, i32, i32, i32 }
+       %struct.arm_stack_offsets = type { i32, i32, i32, i32, i32 }
+       %struct.c_arg_info = type { %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, %struct.tree_node*, i8 }
+       %struct.c_language_function = type { %struct.stmt_tree_s }
+       %struct.c_switch = type opaque
+       %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*, i8, i8, i8 }
+       %struct.ht_identifier = type { i8*, i32, i32 }
+       %struct.initial_value_struct = type opaque
+       %struct.lang_decl = type { i8 }
+       %struct.language_function = type { %struct.c_language_function, %struct.tree_node*, %struct.tree_node*, %struct.c_switch*, %struct.c_arg_info*, i32, i32, i32, i32 }
+       %struct.location_t = type { i8*, i32 }
+       %struct.machine_function = type { %struct.rtx_def*, i32, i32, i32, %struct.arm_stack_offsets, i32, i32, i32, [14 x %struct.rtx_def*] }
+       %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.stmt_tree_s = type { %struct.tree_node*, i32 }
+       %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_identifier = type { %struct.tree_common, %struct.ht_identifier }
+       %struct.tree_node = type { %struct.tree_decl }
+       %struct.u = type { [1 x i64] }
+       %struct.var_refs_queue = type { %struct.rtx_def*, i32, i32, %struct.var_refs_queue* }
+       %struct.varasm_status = type opaque
+       %struct.varray_head_tag = type opaque
+       %union.tree_ann_d = type opaque
+
+implementation   ; Functions:
+
+define void @declspecs_add_type(i32 %spec.1) {
+entry:
+       %spec.1961 = zext i32 %spec.1 to i64            ; <i64> [#uses=1]
+       %spec.1961.adj = shl i64 %spec.1961, 32         ; <i64> [#uses=1]
+       %spec.1961.adj.ins = or i64 %spec.1961.adj, 0           ; <i64> [#uses=2]
+       %tmp10959 = lshr i64 %spec.1961.adj.ins, 32             ; <i64> [#uses=2]
+       %tmp1920 = inttoptr i64 %tmp10959 to %struct.tree_common*               ; <%struct.tree_common*> [#uses=1]
+       %tmp21 = getelementptr %struct.tree_common* %tmp1920, i32 0, i32 3              ; <i8*> [#uses=1]
+       %tmp2122 = bitcast i8* %tmp21 to i32*           ; <i32*> [#uses=1]
+       br i1 false, label %cond_next53, label %cond_true
+
+cond_true:             ; preds = %entry
+       ret void
+
+cond_next53:           ; preds = %entry
+       br i1 false, label %cond_true63, label %cond_next689
+
+cond_true63:           ; preds = %cond_next53
+       ret void
+
+cond_next689:          ; preds = %cond_next53
+       br i1 false, label %cond_false841, label %bb743
+
+bb743:         ; preds = %cond_next689
+       ret void
+
+cond_false841:         ; preds = %cond_next689
+       br i1 false, label %cond_true851, label %cond_true918
+
+cond_true851:          ; preds = %cond_false841
+       tail call void @lookup_name( )
+       br i1 false, label %bb866, label %cond_next856
+
+cond_next856:          ; preds = %cond_true851
+       ret void
+
+bb866:         ; preds = %cond_true851
+       %tmp874 = load i32* %tmp2122            ; <i32> [#uses=1]
+       %tmp876877 = trunc i32 %tmp874 to i8            ; <i8> [#uses=1]
+       icmp eq i8 %tmp876877, 1                ; <i1>:0 [#uses=1]
+       br i1 %0, label %cond_next881, label %cond_true878
+
+cond_true878:          ; preds = %bb866
+       unreachable
+
+cond_next881:          ; preds = %bb866
+       %tmp884885 = inttoptr i64 %tmp10959 to %struct.tree_identifier*         ; <%struct.tree_identifier*> [#uses=1]
+       %tmp887 = getelementptr %struct.tree_identifier* %tmp884885, i32 0, i32 1, i32 0                ; <i8**> [#uses=1]
+       %tmp888 = load i8** %tmp887             ; <i8*> [#uses=1]
+       tail call void (i32, ...)* @error( i32 undef, i8* %tmp888 )
+       ret void
+
+cond_true918:          ; preds = %cond_false841
+       %tmp920957 = trunc i64 %spec.1961.adj.ins to i32                ; <i32> [#uses=0]
+       ret void
+}
+
+declare void @error(i32, ...)
+
+declare void @lookup_name()