1 ; RUN: llc < %s -march=x86-64 -print-before=stack-coloring -print-after=stack-coloring >%t 2>&1 && FileCheck <%t %s 2 3 define void @foo(i64* %retval.i, i32 %call, i32* %.ph.i80, i32 %fourteen, i32* %out.lo, i32* %out.hi) nounwind align 2 { 4 entry: 5 %_Tmp.i39 = alloca i64, align 8 6 %retval.i33 = alloca i64, align 8 7 %_Tmp.i = alloca i64, align 8 8 %retval.i.i = alloca i64, align 8 9 %_First.i = alloca i64, align 8 10 11 %0 = load i64* %retval.i, align 8 12 13 %1 = load i64* %retval.i, align 8 14 15 %_Tmp.i39.0.cast73 = bitcast i64* %_Tmp.i39 to i8* 16 call void @llvm.lifetime.start(i64 8, i8* %_Tmp.i39.0.cast73) 17 store i64 %1, i64* %_Tmp.i39, align 8 18 %cmp.i.i.i40 = icmp slt i32 %call, 0 19 %2 = lshr i64 %1, 32 20 %3 = trunc i64 %2 to i32 21 %sub.i.i.i44 = sub i32 0, %call 22 %cmp2.i.i.i45 = icmp ult i32 %3, %sub.i.i.i44 23 %or.cond.i.i.i46 = and i1 %cmp.i.i.i40, %cmp2.i.i.i45 24 %add.i.i.i47 = add i32 %3, %call 25 %sub5.i.i.i48 = lshr i32 %add.i.i.i47, 5 26 %trunc.i50 = trunc i64 %1 to i32 27 %inttoptr.i51 = inttoptr i32 %trunc.i50 to i32* 28 %add61617.i.i.i52 = or i32 %sub5.i.i.i48, -134217728 29 %add61617.i.sub5.i.i.i53 = select i1 %or.cond.i.i.i46, i32 %add61617.i.i.i52, i32 %sub5.i.i.i48 30 %storemerge2.i.i54 = getelementptr inbounds i32* %inttoptr.i51, i32 %add61617.i.sub5.i.i.i53 31 %_Tmp.i39.0.cast74 = bitcast i64* %_Tmp.i39 to i32** 32 store i32* %storemerge2.i.i54, i32** %_Tmp.i39.0.cast74, align 8 33 %storemerge.i.i55 = and i32 %add.i.i.i47, 31 34 %_Tmp.i39.4.raw_idx = getelementptr inbounds i8* %_Tmp.i39.0.cast73, i32 4 35 %_Tmp.i39.4.cast = bitcast i8* %_Tmp.i39.4.raw_idx to i32* 36 store i32 %storemerge.i.i55, i32* %_Tmp.i39.4.cast, align 4 37 %srcval.i56 = load i64* %_Tmp.i39, align 8 38 call void @llvm.lifetime.end(i64 8, i8* %_Tmp.i39.0.cast73) 39 40 ; CHECK: Before Merge disjoint stack slots 41 ; CHECK: [[PREFIX15:MOV64mr.*<fi#]]{{[0-9]}}[[SUFFIX15:.*;]] mem:ST8[%fifteen] 42 ; CHECK: [[PREFIX87:MOV32mr.*;]] mem:ST4[%sunkaddr87] 43 44 ; CHECK: After Merge disjoint stack slots 45 ; CHECK: [[PREFIX15]]{{[0-9]}}[[SUFFIX15]] mem:ST8[%_Tmp.i39] 46 ; CHECK: [[PREFIX87]] mem:ST4[<unknown>] 47 48 %fifteen = bitcast i64* %retval.i.i to i32** 49 %sixteen = bitcast i64* %retval.i.i to i8* 50 call void @llvm.lifetime.start(i64 8, i8* %sixteen) 51 store i32* %.ph.i80, i32** %fifteen, align 8, !tbaa !0 52 %sunkaddr = ptrtoint i64* %retval.i.i to i32 53 %sunkaddr86 = add i32 %sunkaddr, 4 54 %sunkaddr87 = inttoptr i32 %sunkaddr86 to i32* 55 store i32 %fourteen, i32* %sunkaddr87, align 4, !tbaa !3 56 %seventeen = load i64* %retval.i.i, align 8 57 call void @llvm.lifetime.end(i64 8, i8* %sixteen) 58 %eighteen = lshr i64 %seventeen, 32 59 %nineteen = trunc i64 %eighteen to i32 60 %shl.i.i.i = shl i32 1, %nineteen 61 62 store i32 %shl.i.i.i, i32* %out.lo, align 8 63 store i32 %nineteen, i32* %out.hi, align 8 64 65 ret void 66 } 67 68 declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind 69 70 declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind 71 72 !0 = metadata !{metadata !"int", metadata !1} 73 !1 = metadata !{metadata !"omnipotent char", metadata !2} 74 !2 = metadata !{metadata !"Simple C/C++ TBAA"} 75 !3 = metadata !{metadata !"any pointer", metadata !1} 76 !4 = metadata !{metadata !"vtable pointer", metadata !2} 77
