| ; RUN: llc < %s -march=x86-64 -print-before=stack-coloring -print-after=stack-coloring >%t 2>&1 && FileCheck <%t %s |
| |
| define void @foo(i64* %retval.i, i32 %call, i32* %.ph.i80, i32 %fourteen, i32* %out.lo, i32* %out.hi) nounwind align 2 { |
| entry: |
| %_Tmp.i39 = alloca i64, align 8 |
| %retval.i33 = alloca i64, align 8 |
| %_Tmp.i = alloca i64, align 8 |
| %retval.i.i = alloca i64, align 8 |
| %_First.i = alloca i64, align 8 |
| |
| %0 = load i64* %retval.i, align 8 |
| |
| %1 = load i64* %retval.i, align 8 |
| |
| %_Tmp.i39.0.cast73 = bitcast i64* %_Tmp.i39 to i8* |
| call void @llvm.lifetime.start(i64 8, i8* %_Tmp.i39.0.cast73) |
| store i64 %1, i64* %_Tmp.i39, align 8 |
| %cmp.i.i.i40 = icmp slt i32 %call, 0 |
| %2 = lshr i64 %1, 32 |
| %3 = trunc i64 %2 to i32 |
| %sub.i.i.i44 = sub i32 0, %call |
| %cmp2.i.i.i45 = icmp ult i32 %3, %sub.i.i.i44 |
| %or.cond.i.i.i46 = and i1 %cmp.i.i.i40, %cmp2.i.i.i45 |
| %add.i.i.i47 = add i32 %3, %call |
| %sub5.i.i.i48 = lshr i32 %add.i.i.i47, 5 |
| %trunc.i50 = trunc i64 %1 to i32 |
| %inttoptr.i51 = inttoptr i32 %trunc.i50 to i32* |
| %add61617.i.i.i52 = or i32 %sub5.i.i.i48, -134217728 |
| %add61617.i.sub5.i.i.i53 = select i1 %or.cond.i.i.i46, i32 %add61617.i.i.i52, i32 %sub5.i.i.i48 |
| %storemerge2.i.i54 = getelementptr inbounds i32* %inttoptr.i51, i32 %add61617.i.sub5.i.i.i53 |
| %_Tmp.i39.0.cast74 = bitcast i64* %_Tmp.i39 to i32** |
| store i32* %storemerge2.i.i54, i32** %_Tmp.i39.0.cast74, align 8 |
| %storemerge.i.i55 = and i32 %add.i.i.i47, 31 |
| %_Tmp.i39.4.raw_idx = getelementptr inbounds i8* %_Tmp.i39.0.cast73, i32 4 |
| %_Tmp.i39.4.cast = bitcast i8* %_Tmp.i39.4.raw_idx to i32* |
| store i32 %storemerge.i.i55, i32* %_Tmp.i39.4.cast, align 4 |
| %srcval.i56 = load i64* %_Tmp.i39, align 8 |
| call void @llvm.lifetime.end(i64 8, i8* %_Tmp.i39.0.cast73) |
| |
| ; CHECK: Before Merge disjoint stack slots |
| ; CHECK: [[PREFIX15:MOV64mr.*<fi#]]{{[0-9]}}[[SUFFIX15:.*;]] mem:ST8[%fifteen] |
| ; CHECK: [[PREFIX87:MOV32mr.*;]] mem:ST4[%sunkaddr87] |
| |
| ; CHECK: After Merge disjoint stack slots |
| ; CHECK: [[PREFIX15]]{{[0-9]}}[[SUFFIX15]] mem:ST8[%_Tmp.i39] |
| ; CHECK: [[PREFIX87]] mem:ST4[<unknown>] |
| |
| %fifteen = bitcast i64* %retval.i.i to i32** |
| %sixteen = bitcast i64* %retval.i.i to i8* |
| call void @llvm.lifetime.start(i64 8, i8* %sixteen) |
| store i32* %.ph.i80, i32** %fifteen, align 8, !tbaa !0 |
| %sunkaddr = ptrtoint i64* %retval.i.i to i32 |
| %sunkaddr86 = add i32 %sunkaddr, 4 |
| %sunkaddr87 = inttoptr i32 %sunkaddr86 to i32* |
| store i32 %fourteen, i32* %sunkaddr87, align 4, !tbaa !3 |
| %seventeen = load i64* %retval.i.i, align 8 |
| call void @llvm.lifetime.end(i64 8, i8* %sixteen) |
| %eighteen = lshr i64 %seventeen, 32 |
| %nineteen = trunc i64 %eighteen to i32 |
| %shl.i.i.i = shl i32 1, %nineteen |
| |
| store i32 %shl.i.i.i, i32* %out.lo, align 8 |
| store i32 %nineteen, i32* %out.hi, align 8 |
| |
| ret void |
| } |
| |
| declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind |
| |
| declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind |
| |
| !0 = metadata !{metadata !"int", metadata !1} |
| !1 = metadata !{metadata !"omnipotent char", metadata !2} |
| !2 = metadata !{metadata !"Simple C/C++ TBAA"} |
| !3 = metadata !{metadata !"any pointer", metadata !1} |
| !4 = metadata !{metadata !"vtable pointer", metadata !2} |