1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin10 -relocation-model=pic -disable-fp-elim -mcpu=cortex-a8 | FileCheck %s 2 3 ; Do not form Thumb2 ldrd / strd if the offset is not multiple of 4. 4 ; rdar://9133587 5 6 %struct.Outer = type { i32, [2 x %"struct.Outer::Inner"] } 7 %"struct.Outer::Inner" = type { i32, i32, i8, i8 } 8 9 @oStruct = external global %struct.Outer, align 4 10 11 define void @main() nounwind { 12 ; CHECK-LABEL: main: 13 ; CHECK-NOT: ldrd 14 ; CHECK: mul 15 for.body.lr.ph: 16 br label %for.body 17 18 for.body: ; preds = %_Z14printIsNotZeroi.exit17.for.body_crit_edge, %for.body.lr.ph 19 %tmp3 = phi i1 [ false, %for.body.lr.ph ], [ %phitmp27, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ] 20 %i.022 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %_Z14printIsNotZeroi.exit17.for.body_crit_edge ] 21 %x = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 0 22 %y = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %i.022, i32 1 23 %inc = add i32 %i.022, 1 24 %tmp8 = load i32* %x, align 4, !tbaa !0 25 %tmp11 = load i32* %y, align 4, !tbaa !0 26 %mul = mul nsw i32 %tmp11, %tmp8 27 %tobool.i14 = icmp eq i32 %mul, 0 28 br i1 %tobool.i14, label %_Z14printIsNotZeroi.exit17, label %if.then.i16 29 30 if.then.i16: ; preds = %_Z14printIsNotZeroi.exit 31 unreachable 32 33 _Z14printIsNotZeroi.exit17: ; preds = %_Z14printIsNotZeroi.exit 34 br label %_Z14printIsNotZeroi.exit17.for.body_crit_edge 35 36 _Z14printIsNotZeroi.exit17.for.body_crit_edge: ; preds = %_Z14printIsNotZeroi.exit17 37 %b.phi.trans.insert = getelementptr %struct.Outer* @oStruct, i32 0, i32 1, i32 %inc, i32 3 38 %tmp3.pre = load i8* %b.phi.trans.insert, align 1, !tbaa !3 39 %phitmp27 = icmp eq i8 undef, 0 40 br label %for.body 41 42 for.end: ; preds = %_Z14printIsNotZeroi.exit17 43 ret void 44 } 45 46 !0 = metadata !{metadata !"int", metadata !1} 47 !1 = metadata !{metadata !"omnipotent char", metadata !2} 48 !2 = metadata !{metadata !"Simple C/C++ TBAA", null} 49 !3 = metadata !{metadata !"bool", metadata !1} 50
