1 ; RUN: llc < %s 2 3 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" 4 target triple = "thumbv6t2-elf" 5 %struct.dwarf_cie = type <{ i32, i32, i8, [0 x i8], [3 x i8] }> 6 7 declare i8* @read_sleb128(i8*, i32* nocapture) nounwind 8 9 define i32 @get_cie_encoding(%struct.dwarf_cie* %cie) nounwind { 10 entry: 11 br i1 undef, label %bb1, label %bb13 12 13 bb1: ; preds = %entry 14 %tmp38 = add i32 undef, 10 ; <i32> [#uses=1] 15 br label %bb.i 16 17 bb.i: ; preds = %bb.i, %bb1 18 %indvar.i = phi i32 [ 0, %bb1 ], [ %2, %bb.i ] ; <i32> [#uses=3] 19 %tmp39 = add i32 %indvar.i, %tmp38 ; <i32> [#uses=1] 20 %p_addr.0.i = getelementptr i8* undef, i32 %tmp39 ; <i8*> [#uses=1] 21 %0 = load i8* %p_addr.0.i, align 1 ; <i8> [#uses=1] 22 %1 = icmp slt i8 %0, 0 ; <i1> [#uses=1] 23 %2 = add i32 %indvar.i, 1 ; <i32> [#uses=1] 24 br i1 %1, label %bb.i, label %read_uleb128.exit 25 26 read_uleb128.exit: ; preds = %bb.i 27 %.sum40 = add i32 %indvar.i, undef ; <i32> [#uses=1] 28 %.sum31 = add i32 %.sum40, 2 ; <i32> [#uses=1] 29 %scevgep.i = getelementptr %struct.dwarf_cie* %cie, i32 0, i32 3, i32 %.sum31 ; <i8*> [#uses=1] 30 %3 = call i8* @read_sleb128(i8* %scevgep.i, i32* undef) ; <i8*> [#uses=0] 31 unreachable 32 33 bb13: ; preds = %entry 34 ret i32 0 35 } 36
