1; RUN: llc -mtriple=hexagon -mtriple=hexagon-unknown-linux-musl < %s | FileCheck %s 2 3; Check that we update the stack pointer before we do allocframe, so that 4; the LR/FP are stored in the location required by the Linux ABI. 5; CHECK: r29 = add(r29,#-24) 6; CHECK: allocframe 7 8target triple = "hexagon-unknown-linux" 9 10%s.0 = type { ptr, ptr, ptr } 11 12define dso_local i32 @f0(i32 %a0, ...) local_unnamed_addr #0 { 13b0: 14 %v0 = alloca [1 x %s.0], align 8 15 call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %v0) #2 16 call void @llvm.va_start(ptr nonnull %v0) 17 %v3 = load ptr, ptr %v0, align 8 18 %v4 = getelementptr inbounds [1 x %s.0], ptr %v0, i32 0, i32 0, i32 1 19 %v5 = load ptr, ptr %v4, align 4 20 %v6 = getelementptr i8, ptr %v3, i32 4 21 %v7 = icmp sgt ptr %v6, %v5 22 br i1 %v7, label %b1, label %b2 23 24b1: ; preds = %b0 25 %v8 = getelementptr inbounds [1 x %s.0], ptr %v0, i32 0, i32 0, i32 2 26 %v9 = load ptr, ptr %v8, align 8 27 %v10 = getelementptr i8, ptr %v9, i32 4 28 store ptr %v10, ptr %v8, align 8 29 br label %b2 30 31b2: ; preds = %b1, %b0 32 %v11 = phi ptr [ %v10, %b1 ], [ %v6, %b0 ] 33 %v12 = phi ptr [ %v9, %b1 ], [ %v3, %b0 ] 34 store ptr %v11, ptr %v0, align 8 35 %v14 = load i32, ptr %v12, align 4 36 %v15 = icmp eq i32 %v14, 0 37 br i1 %v15, label %b7, label %b3 38 39b3: ; preds = %b2 40 %v16 = getelementptr inbounds [1 x %s.0], ptr %v0, i32 0, i32 0, i32 2 41 br label %b4 42 43b4: ; preds = %b6, %b3 44 %v17 = phi i32 [ %v14, %b3 ], [ %v28, %b6 ] 45 %v18 = phi i32 [ %a0, %b3 ], [ %v20, %b6 ] 46 %v19 = phi ptr [ %v11, %b3 ], [ %v25, %b6 ] 47 %v20 = add nsw i32 %v17, %v18 48 %v21 = getelementptr i8, ptr %v19, i32 4 49 %v22 = icmp sgt ptr %v21, %v5 50 br i1 %v22, label %b5, label %b6 51 52b5: ; preds = %b4 53 %v23 = load ptr, ptr %v16, align 8 54 %v24 = getelementptr i8, ptr %v23, i32 4 55 store ptr %v24, ptr %v16, align 8 56 br label %b6 57 58b6: ; preds = %b5, %b4 59 %v25 = phi ptr [ %v24, %b5 ], [ %v21, %b4 ] 60 %v26 = phi ptr [ %v23, %b5 ], [ %v19, %b4 ] 61 store ptr %v25, ptr %v0, align 8 62 %v28 = load i32, ptr %v26, align 4 63 %v29 = icmp eq i32 %v28, 0 64 br i1 %v29, label %b7, label %b4 65 66b7: ; preds = %b6, %b2 67 %v30 = phi i32 [ %a0, %b2 ], [ %v20, %b6 ] 68 call void @llvm.va_end(ptr nonnull %v0) 69 call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %v0) #2 70 ret i32 %v30 71} 72 73; Function Attrs: argmemonly nounwind 74declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1 75 76; Function Attrs: nounwind 77declare void @llvm.va_start(ptr) #2 78 79; Function Attrs: nounwind 80declare void @llvm.va_end(ptr) #2 81 82; Function Attrs: argmemonly nounwind 83declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1 84 85attributes #0 = { argmemonly nounwind "frame-pointer"="all" } 86 87!llvm.module.flags = !{!0} 88 89!0 = !{i32 1, !"wchar_size", i32 4} 90